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/*
* Unit tests for "stb.h"
*/
//#include <windows.h>
#include <stdio.h>
#include <string.h>
#include <time.h>
#include <assert.h>
#include <stdlib.h>
#ifdef _WIN32
#include <crtdbg.h>
#endif
#define STB_STUA
//#define STB_FASTMALLOC
#ifdef _DEBUG
#define STB_MALLOC_WRAPPER_DEBUG
#endif
#define STB_NPTR
#define STB_DEFINE
#include "stb.h"
//#include "stb_file.h"
//#include "stb_pixel32.h"
//#define DEBUG_BLOCK
#ifdef DEBUG_BLOCK
#include <conio.h>
#endif
#ifdef STB_FASTMALLOC
#error "can't use FASTMALLOC with threads"
#endif
int count;
void c(int truth, char *error)
{
if (!truth) {
fprintf(stderr, "Test failed: %s\n", error);
++count;
}
}
#if 0
void show(void)
{
#ifdef _WIN32
SYSTEM_INFO x;
GetSystemInfo(&x);
printf("%d\n", x.dwPageSize);
#endif
}
#endif
void test_classes(void)
{
unsigned char size_base[32], size_shift[32];
int class_to_pages[256];
int class_to_size[256], cl;
int lg, size, wasted_pages;
int kAlignShift = 3;
int kAlignment = 1 << kAlignShift;
int kMaxSize = 8 * 4096;
int kPageShift = 12;
int kPageSize = (1 << kPageShift);
int next_class = 1;
int alignshift = kAlignShift;
int last_lg = -1;
for (lg = 0; lg < kAlignShift; lg++) {
size_base[lg] = 1;
size_shift[lg] = kAlignShift;
}
for (size = kAlignment; size <= kMaxSize; size += (1 << alignshift)) {
int lg = stb_log2_floor(size);
if (lg > last_lg) {
// Increase alignment every so often.
//
// Since we double the alignment every time size doubles and
// size >= 128, this means that space wasted due to alignment is
// at most 16/128 i.e., 12.5%. Plus we cap the alignment at 256
// bytes, so the space wasted as a percentage starts falling for
// sizes > 2K.
if ((lg >= 7) && (alignshift < 8)) {
alignshift++;
}
size_base[lg] = next_class - ((size-1) >> alignshift);
size_shift[lg] = alignshift;
}
class_to_size[next_class] = size;
last_lg = lg;
next_class++;
}
// Initialize the number of pages we should allocate to split into
// small objects for a given class.
wasted_pages = 0;
for (cl = 1; cl < next_class; cl++) {
// Allocate enough pages so leftover is less than 1/8 of total.
// This bounds wasted space to at most 12.5%.
size_t psize = kPageSize;
const size_t s = class_to_size[cl];
while ((psize % s) > (psize >> 3)) {
psize += kPageSize;
}
class_to_pages[cl] = psize >> kPageShift;
wasted_pages += psize;
}
printf("TCMalloc can waste as much as %d memory on one-shot allocations\n", wasted_pages);
return;
}
void test_script(void)
{
stua_run_script(
"var g = (2+3)*5 + 3*(2+1) + ((7)); \n"
"func sprint(x) _print(x) _print(' ') x end;\n"
"func foo(y) var q = func(x) sprint(x) end; q end;\n "
"var z=foo(5); z(77);\n"
"func counter(z) func(x) z=z+1 end end\n"
"var q=counter(0), p=counter(5);\n"
"sprint(q()) sprint(p()) sprint(q()) sprint(p()) sprint(q()) sprint(p())\n"
"var x=2222;\n"
"if 1 == 2 then 3333 else 4444 end; => x; sprint(x);\n"
"var x1 = sprint(1.5e3); \n"
"var x2 = sprint(.5); \n"
"var x3 = sprint(1.); \n"
"var x4 = sprint(1.e3); \n"
"var x5 = sprint(1e3); \n"
"var x6 = sprint(0.5e3); \n"
"var x7 = sprint(.5e3); \n"
" func sum(x,y) x+y end \n"
" func sumfunc(a) sum+{x=a} end \n"
" var q = sumfunc(3) \n"
" var p = sumfunc(20) \n"
" var d = sprint(q(5)) - sprint(q(8)) \n"
" var e = sprint(p(5)) - sprint(p(8)) \n"
" func test3(x) \n"
" sprint(x) \n"
" x = x+3 \n"
" sprint(x) \n"
" x+5 \n"
" end \n"
" var y = test3(4); \n"
" func fib(x) \n"
" if x < 3 then \n"
" 1 \n"
" else \n"
" fib(x-1) + fib(x-2); \n"
" end \n"
" end \n"
" \n"
" func fib2(x) \n"
" var a=1 \n"
" var b=1 \n"
" sprint(a) \n"
" sprint(b) \n"
" while x > 2 do \n"
" var c=a+b \n"
" a=b \n"
" b=c \n"
" sprint(b) \n"
" x=x-1 \n"
" end \n"
" b \n"
" end \n"
" \n"
" func assign(z) \n"
" var y = { 'this', 'is', 'a', 'lame', 'day', 'to', 'die'} \n"
" y[3] = z \n"
" var i = 0 \n"
" while y[i] != nil do \n"
" sprint(y[i]) \n"
" i = i+1 \n"
" end \n"
" end \n"
" \n"
" sprint(fib(12)); \n"
" assign(\"good\"); \n"
" fib2(20); \n"
" sprint('ok'); \n"
" sprint(-5); \n"
" // final comment with no newline"
);
}
#ifdef STB_THREADS
extern void __stdcall Sleep(unsigned long);
void * thread_1(void *x)
{
Sleep(80);
printf("thread 1\n"); fflush(stdout);
return (void *) 2;
}
void * thread_2(void *y)
{
stb_work(thread_1, NULL, y);
Sleep(50);
printf("thread 2\n"); fflush(stdout);
return (void *) 3;
}
stb_semaphore stest;
stb_mutex mutex;
volatile int tc1, tc2;
void *thread_3(void *p)
{
stb_mutex_begin(mutex);
++tc1;
stb_mutex_end(mutex);
stb_sem_waitfor(stest);
stb_mutex_begin(mutex);
++tc2;
stb_mutex_end(mutex);
return NULL;
}
void test_threads(void)
{
volatile int a=0,b=0;
//stb_work_numthreads(2);
stb_work(thread_2, (void *) &a, (void *) &b);
while (a==0 || b==0) {
Sleep(10);
//printf("a=%d b=%d\n", a, b);
}
c(a==2 && b == 3, "stb_thread");
stb_work_numthreads(4);
stest = stb_sem_new(8);
mutex = stb_mutex_new();
stb_work(thread_3, NULL, NULL);
stb_work(thread_3, NULL, NULL);
stb_work(thread_3, NULL, NULL);
stb_work(thread_3, NULL, NULL);
stb_work(thread_3, NULL, NULL);
stb_work(thread_3, NULL, NULL);
stb_work(thread_3, NULL, NULL);
stb_work(thread_3, NULL, NULL);
while (tc1 < 4)
Sleep(10);
c(tc1 == 4, "stb_work 1");
stb_sem_release(stest);
stb_sem_release(stest);
stb_sem_release(stest);
stb_sem_release(stest);
stb_sem_release(stest);
stb_sem_release(stest);
stb_sem_release(stest);
stb_sem_release(stest);
Sleep(40);
while (tc1 != 8 || tc2 != 8)
Sleep(10);
c(tc1 == 8 && tc2 == 8, "stb_work 2");
stb_work_numthreads(2);
stb_work(thread_3, NULL, NULL);
stb_work(thread_3, NULL, NULL);
stb_work(thread_3, NULL, NULL);
stb_work(thread_3, NULL, NULL);
while (tc1 < 10)
Sleep(10);
c(tc1 == 10, "stb_work 1");
stb_sem_release(stest);
stb_sem_release(stest);
stb_sem_release(stest);
stb_sem_release(stest);
Sleep(100);
stb_sem_delete(stest);
stb_mutex_delete(mutex);
}
#else
void test_threads(void)
{
}
#endif
void *thread4(void *p)
{
return NULL;
}
#ifdef STB_THREADS
stb_threadqueue *tq;
stb_sync synch;
stb_mutex msum;
volatile int thread_sum;
void *consume1(void *p)
{
volatile int *q = (volatile int *) p;
for(;;) {
int z;
stb_threadq_get_block(tq, &z);
stb_mutex_begin(msum);
thread_sum += z;
*q += z;
stb_mutex_end(msum);
stb_sync_reach(synch);
}
}
void test_threads2(void)
{
int array[256],i,n=0;
volatile int which[4];
synch = stb_sync_new();
stb_sync_set_target(synch,2);
stb_work_reach(thread4, NULL, NULL, synch);
stb_sync_reach_and_wait(synch);
printf("ok\n");
tq = stb_threadq_new(4, 1, TRUE,TRUE);
msum = stb_mutex_new();
thread_sum = 0;
stb_sync_set_target(synch, 65);
for (i=0; i < 4; ++i) {
which[i] = 0;
stb_create_thread(consume1, (int *) &which[i]);
}
for (i=1; i <= 64; ++i) {
array[i] = i;
n += i;
stb_threadq_add_block(tq, &array[i]);
}
stb_sync_reach_and_wait(synch);
stb_barrier();
c(thread_sum == n, "stb_threadq 1");
c(which[0] + which[1] + which[2] + which[3] == n, "stb_threadq 2");
printf("(Distribution: %d %d %d %d)\n", which[0], which[1], which[2], which[3]);
stb_sync_delete(synch);
stb_threadq_delete(tq);
stb_mutex_delete(msum);
}
#else
void test_threads2(void)
{
}
#endif
char tc[] = "testing compression test quick test voila woohoo what the hell";
char storage1[1 << 23];
int test_compression(char *buffer, int length)
{
char *storage2;
int c_len = stb_compress(storage1, buffer, length);
int dc_len;
printf("Compressed %d to %d\n", length, c_len);
dc_len = stb_decompress_length(storage1);
storage2 = malloc(dc_len);
dc_len = stb_decompress(storage2, storage1, c_len);
if (dc_len != length) { free(storage2); return -1; }
if (memcmp(buffer, storage2, length) != 0) { free(storage2); return -1; }
free(storage2);
return c_len;
}
#if 0
int test_en_compression(char *buffer, int length)
{
int c_len = stb_en_compress(storage1, buffer, length);
int dc_len;
printf("Encompressed %d to %d\n", length, c_len);
dc_len = stb_en_decompress(storage2, storage1, c_len);
if (dc_len != length) return -1;
if (memcmp(buffer, storage2, length) != 0) return -1;
return c_len;
}
#endif
#define STR_x "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
#define STR_y "yyyyyyyyyyyyyyyyyy"
#define STR_xy STR_x STR_y
#define STR_xyyxy STR_xy STR_y STR_xy
#define STR_1 "testing"
#define STR_2 STR_xyyxy STR_xy STR_xyyxy STR_xyyxy STR_xy STR_xyyxy
#define STR_3 "buh"
char buffer[] = STR_1 "\r\n" STR_2 STR_2 STR_2 "\n" STR_3;
char str1[] = STR_1;
char str2[] = STR_2 STR_2 STR_2;
char str3[] = STR_3;
int sum(short *s)
{
int i,total=0;
for (i=0; i < stb_arr_len(s); ++i)
total += s[i];
return total;
}
stb_uint stb_adler32_old(stb_uint adler32, stb_uchar *buffer, stb_uint buflen)
{
const stb_uint ADLER_MOD = 65521;
stb_uint s1 = adler32 & 0xffff;
stb_uint s2 = adler32 >> 16;
while (buflen-- > 0) { // NOTE: much faster implementations are possible!
s1 += *buffer++; if (s1 > ADLER_MOD) s1 -= ADLER_MOD;
s2 += s1 ; if (s2 > ADLER_MOD) s2 -= ADLER_MOD;
}
return (s2 << 16) + s1;
}
static int sample_test[3][5] =
{
{ 1,2,3,4,5 },
{ 6,7,8,9,10, },
{ 11,12,13,14,15 },
};
typedef struct { unsigned short x,y,z; } struct1;
typedef struct { double a; int x,y,z; } struct2;
char *args_raw[] = { "foo", "-dxrf", "bar", "-ts" };
char *args[8];
void do_compressor(int,char**);
void test_sha1(void);
int alloc_num, alloc_size;
void dumpfunc(void *ptr, int sz, char *file, int line)
{
printf("%p (%6d) -- %3d:%s\n", ptr, sz, line, file);
alloc_size += sz;
alloc_num += 1;
}
char *expects(stb_matcher *m, char *s, int result, int len, char *str)
{
int res2,len2=0;
res2 = stb_lex(m, s, &len2);
c(result == res2 && len == len2, str);
return s + len;
}
void test_lex(void)
{
stb_matcher *m = stb_lex_matcher();
// tok_en5 .3 20.1 20. .20 .1
char *s = "tok_en5.3 20.1 20. .20.1";
stb_lex_item(m, "[a-zA-Z_][a-zA-Z0-9_]*", 1 );
stb_lex_item(m, "[0-9]*\\.?[0-9]*" , 2 );
stb_lex_item(m, "[\r\n\t ]+" , 3 );
stb_lex_item(m, "." , -99 );
s=expects(m,s,1,7, "stb_lex 1");
s=expects(m,s,2,2, "stb_lex 2");
s=expects(m,s,3,1, "stb_lex 3");
s=expects(m,s,2,4, "stb_lex 4");
s=expects(m,s,3,1, "stb_lex 5");
s=expects(m,s,2,3, "stb_lex 6");
s=expects(m,s,3,1, "stb_lex 7");
s=expects(m,s,2,3, "stb_lex 8");
s=expects(m,s,2,2, "stb_lex 9");
s=expects(m,s,0,0, "stb_lex 10");
stb_matcher_free(m);
}
typedef struct Btest
{
struct Btest stb_bst_fields(btest_);
int v;
} Btest;
stb_bst(Btest, btest_, BT2,bt2,v, int, a - b)
void bst_test(void)
{
Btest *root = NULL, *t;
int items[500], sorted[500];
int i,j,z;
for (z=0; z < 10; ++z) {
for (i=0; i < 500; ++i)
items[i] = stb_rand() & 0xfffffff;
// check for collisions, and retrry if so
memcpy(sorted, items, sizeof(sorted));
qsort(sorted, 500, sizeof(sorted[0]), stb_intcmp(0));
for (i=1; i < 500; ++i)
if (sorted[i-1] == sorted[i])
break;
if (i != 500) { --z; break; }
for (i=0; i < 500; ++i) {
t = malloc(sizeof(*t));
t->v = items[i];
root = btest_insert(root, t);
#ifdef STB_DEBUG
btest__validate(root,1);
#endif
for (j=0; j <= i; ++j)
c(btest_find(root, items[j]) != NULL, "stb_bst 1");
for ( ; j < 500; ++j)
c(btest_find(root, items[j]) == NULL, "stb_bst 2");
}
t = btest_first(root);
for (i=0; i < 500; ++i)
t = btest_next(root,t);
c(t == NULL, "stb_bst 5");
t = btest_last(root);
for (i=0; i < 500; ++i)
t = btest_prev(root,t);
c(t == NULL, "stb_bst 6");
memcpy(sorted, items, sizeof(sorted));
qsort(sorted, 500, sizeof(sorted[0]), stb_intcmp(0));
t = btest_first(root);
for (i=0; i < 500; ++i) {
assert(t->v == sorted[i]);
t = btest_next(root, t);
}
assert(t == NULL);
if (z==1)
stb_reverse(items, 500, sizeof(items[0]));
else if (z)
stb_shuffle(items, 500, sizeof(items[0]), stb_rand());
for (i=0; i < 500; ++i) {
t = btest_find(root, items[i]);
assert(t != NULL);
root = btest_remove(root, t);
c(btest_find(root, items[i]) == NULL, "stb_bst 5");
#ifdef STB_DEBUG
btest__validate(root, 1);
#endif
for (j=0; j <= i; ++j)
c(btest_find(root, items[j]) == NULL, "stb_bst 3");
for ( ; j < 500; ++j)
c(btest_find(root, items[j]) != NULL, "stb_bst 4");
free(t);
}
}
}
extern void stu_uninit(void);
stb_define_sort(sort_int, int, *a < *b)
stb_rand_define(prime_rand, 1)
void test_packed_floats(void);
void test_parser_generator(void);
void rec_print(stb_dirtree2 *d, int depth)
{
int i;
for (i=0; i < depth; ++i) printf(" ");
printf("%s (%d)\n", d->relpath, stb_arr_len(d->files));
for (i=0; i < stb_arr_len(d->subdirs); ++i)
rec_print(d->subdirs[i], depth+1);
d->weight = (float) stb_arr_len(d->files);
}
#ifdef MAIN_TEST
int main(int argc, char **argv)
{
char *z;
stb__wchar buffer7[1024],buffer9[1024];
char buffer8[4096];
FILE *f;
char *p1 = "foo/bar\\baz/test.xyz";
char *p2 = "foo/.bar";
char *p3 = "foo.bar";
char *p4 = "foo/bar";
char *wildcards[] = { "*foo*", "*bar", "baz", "*1*2*3*", "*/CVS/repository", "*oof*" };
char **s;
char buf[256], *p;
int n,len2,*q,i;
stb_matcher *mt=NULL;
if (argc > 1) {
do_compressor(argc,argv);
return 0;
}
test_classes();
//show();
//stb_malloc_check_counter(2,2);
//_CrtSetBreakAlloc(10398);
stbprint("Checking {!if} the {$fancy} print function {#works}? - should\n");
stbprint(" - align\n");
stbprint("But {#3this}} {one}} - shouldn't\n");
#if 0
{
int i;
char **s = stb_readdir_recursive("/sean", NULL);
stb_dirtree *d = stb_dirtree_from_files_relative("", s, stb_arr_len(s));
stb_dirtree **e;
rec_print(d, 0);
e = stb_summarize_tree(d,12,4);
for (i=0; i < stb_arr_len(e); ++i) {
printf("%s\n", e[i]->fullpath);
}
stb_arr_free(e);
stb_fatal("foo");
}
#endif
stb_("Started stb.c");
test_threads2();
test_threads();
for (i=0; i < 1023 && 5+77*i < 0xd800; ++i)
buffer7[i] = 5+77*i;
buffer7[i++] = 0xd801;
buffer7[i++] = 0xdc02;
buffer7[i++] = 0xdbff;
buffer7[i++] = 0xdfff;
buffer7[i] = 0;
p = stb_to_utf8(buffer8, buffer7, sizeof(buffer8));
c(p != NULL, "stb_to_utf8");
if (p != NULL) {
stb_from_utf8(buffer9, buffer8, sizeof(buffer9)/2);
c(!memcmp(buffer7, buffer9, i*2), "stb_from_utf8");
}
z = "foo.*[bd]ak?r";
c( stb_regex(z, "muggle man food is barfy") == 1, "stb_regex 1");
c( stb_regex("foo.*bar", "muggle man food is farfy") == 0, "stb_regex 2");
c( stb_regex("[^a-zA-Z]foo[^a-zA-Z]", "dfoobar xfood") == 0, "stb_regex 3");
c( stb_regex(z, "muman foob is bakrfy") == 1, "stb_regex 4");
z = "foo.*[bd]bk?r";
c( stb_regex(z, "muman foob is bakrfy") == 0, "stb_regex 5");
c( stb_regex(z, "muman foob is bbkrfy") == 1, "stb_regex 6");
stb_regex(NULL,NULL);
#if 0
test_parser_generator();
stb_wrapper_listall(dumpfunc);
if (alloc_num)
printf("Memory still in use: %d allocations of %d bytes.\n", alloc_num, alloc_size);
#endif
test_script();
p = stb_file("sieve.stua", NULL);
if (p) {
stua_run_script(p);
free(p);
}
stua_uninit();
//stb_wrapper_listall(dumpfunc);
printf("Memory still in use: %d allocations of %d bytes.\n", alloc_num, alloc_size);
c(stb_alloc_count_alloc == stb_alloc_count_free, "stb_alloc 0");
bst_test();
c(stb_alloc_count_alloc == stb_alloc_count_free, "stb_alloc 0");
#if 0
// stb_block
{
int inuse=0, freespace=0;
int *x = malloc(10000*sizeof(*x));
stb_block *b = stb_block_new(1, 10000);
#define BLOCK_COUNT 1000
int *p = malloc(sizeof(*p) * BLOCK_COUNT);
int *l = malloc(sizeof(*l) * BLOCK_COUNT);
int i, n, k = 0;
memset(x, 0, 10000 * sizeof(*x));
n = 0;
while (n < BLOCK_COUNT && k < 1000) {
l[n] = 16 + (rand() & 31);
p[n] = stb_block_alloc(b, l[n], 0);
if (p[n] == 0)
break;
inuse += l[n];
freespace = 0;
for (i=0; i < b->len; ++i)
freespace += b->freelist[i].len;
assert(freespace + inuse == 9999);
for (i=0; i < l[n]; ++i)
x[ p[n]+i ] = p[n];
++n;
if (k > 20) {
int sz;
i = (stb_rand() % n);
sz = l[i];
stb_block_free(b, p[i], sz);
inuse -= sz;
p[i] = p[n-1];
l[i] = l[n-1];
--n;
freespace = 0;
for (i=0; i < b->len; ++i)
freespace += b->freelist[i].len;
assert(freespace + inuse == 9999);
}
++k;
// validate
if ((k % 50) == 0) {
int j;
for (j=0; j < n; ++j) {
for (i=0; i < l[j]; ++i)
assert(x[ p[j]+i ] == p[j]);
}
}
if ((k % 200) == 0) {
stb_block_compact_freelist(b);
}
}
for (i=0; i < n; ++i)
stb_block_free(b, p[i], l[i]);
stb_block_destroy(b);
free(p);
free(l);
free(x);
}
blockfile_test();
#endif
mt = stb_lex_matcher();
for (i=0; i < 5; ++i)
stb_lex_item_wild(mt, wildcards[i], i+1);
c(1==stb_lex(mt, "this is a foo in the middle",NULL), "stb_matcher_match 1");
c(0==stb_lex(mt, "this is a bar in the middle",NULL), "stb_matcher_match 2");
c(0==stb_lex(mt, "this is a baz in the middle",NULL), "stb_matcher_match 3");
c(2==stb_lex(mt, "this is a bar",NULL), "stb_matcher_match 4");
c(0==stb_lex(mt, "this is a baz",NULL), "stb_matcher_match 5");
c(3==stb_lex(mt, "baz",NULL), "stb_matcher_match 6");
c(4==stb_lex(mt, "1_2_3_4",NULL), "stb_matcher_match 7");
c(0==stb_lex(mt, "1 3 3 3 3 2 ",NULL), "stb_matcher_match 8");
c(4==stb_lex(mt, "1 3 3 3 2 3 ",NULL), "stb_matcher_match 9");
c(5==stb_lex(mt, "C:/sean/prj/old/gdmag/mipmap/hqp/adol-c/CVS/Repository",NULL), "stb_matcher_match 10");
stb_matcher_free(mt);
{
#define SSIZE 500000
static int arr[SSIZE],arr2[SSIZE];
int i,good;
for (i=0; i < SSIZE; ++i)
arr2[i] = stb_rand();
memcpy(arr,arr2,sizeof(arr));
printf("stb_define_sort:\n");
sort_int(arr, SSIZE);
good = 1;
for (i=0; i+1 < SSIZE; ++i)
if (arr[i] > arr[i+1])
good = 0;
c(good, "stb_define_sort");
printf("qsort:\n");
qsort(arr2, SSIZE, sizeof(arr2[0]), stb_intcmp(0));
printf("done\n");
// check for bugs
memset(arr, 0, sizeof(arr[0]) * 1000);
sort_int(arr, 1000);
}
c(stb_alloc_count_alloc == stb_alloc_count_free, "stb_alloc -2");
c( stb_is_prime( 2), "stb_is_prime 1");
c( stb_is_prime( 3), "stb_is_prime 2");
c( stb_is_prime( 5), "stb_is_prime 3");
c( stb_is_prime( 7), "stb_is_prime 4");
c(!stb_is_prime( 9), "stb_is_prime 5");
c( stb_is_prime(11), "stb_is_prime 6");
c(!stb_is_prime(25), "stb_is_prime 7");
c(!stb_is_prime(27), "stb_is_prime 8");
c( stb_is_prime(29), "stb_is_prime 9");
c( stb_is_prime(31), "stb_is_prime a");
c(!stb_is_prime(33), "stb_is_prime b");
c(!stb_is_prime(35), "stb_is_prime c");
c(!stb_is_prime(36), "stb_is_prime d");
for (n=7; n < 64; n += 3) {
int i;
stb_perfect s;
unsigned int *p = malloc(n * sizeof(*p));
for (i=0; i < n; ++i)
p[i] = i*i;
c(stb_perfect_create(&s, p, n), "stb_perfect_hash 1");
stb_perfect_destroy(&s);
for (i=0; i < n; ++i)
p[i] = stb_rand();
c(stb_perfect_create(&s, p, n), "stb_perfect_hash 2");
stb_perfect_destroy(&s);
for (i=0; i < n; ++i)
p[i] = (0x80000000 >> stb_log2_ceil(n>>1)) * i;
c(stb_perfect_create(&s, p, n), "stb_perfect_hash 2");
stb_perfect_destroy(&s);
for (i=0; i < n; ++i)
p[i] = (int) malloc(1024);
c(stb_perfect_create(&s, p, n), "stb_perfect_hash 3");
stb_perfect_destroy(&s);
for (i=0; i < n; ++i)
free((void *) p[i]);
free(p);
}
printf("Maximum attempts required to find perfect hash: %d\n",
stb_perfect_hash_max_failures);
p = "abcdefghijklmnopqrstuvwxyz";
c(stb_ischar('c', p), "stb_ischar 1");
c(stb_ischar('x', p), "stb_ischar 2");
c(!stb_ischar('#', p), "stb_ischar 3");
c(!stb_ischar('X', p), "stb_ischar 4");
p = "0123456789";
c(!stb_ischar('c', p), "stb_ischar 5");
c(!stb_ischar('x', p), "stb_ischar 6");
c(!stb_ischar('#', p), "stb_ischar 7");
c(!stb_ischar('X', p), "stb_ischar 8");
p = "#####";
c(!stb_ischar('c', p), "stb_ischar a");
c(!stb_ischar('x', p), "stb_ischar b");
c(stb_ischar('#', p), "stb_ischar c");
c(!stb_ischar('X', p), "stb_ischar d");
p = "xXyY";
c(!stb_ischar('c', p), "stb_ischar e");
c(stb_ischar('x', p), "stb_ischar f");
c(!stb_ischar('#', p), "stb_ischar g");
c(stb_ischar('X', p), "stb_ischar h");
c(stb_alloc_count_alloc == stb_alloc_count_free, "stb_alloc 1");
q = stb_wordwrapalloc(15, "How now brown cow. Testinglishously. Okey dokey");
// How now brown
// cow. Testinglis
// hously. Okey
// dokey
c(stb_arr_len(q) == 8, "stb_wordwrap 8");
c(q[2] == 14 && q[3] == 15, "stb_wordwrap 9");
c(q[4] == 29 && q[5] == 12, "stb_wordwrap 10");
stb_arr_free(q);
q = stb_wordwrapalloc(20, "How now brown cow. Testinglishously. Okey dokey");
// How now brown cow.
// Testinglishously.
// Okey dokey
c(stb_arr_len(q) == 6, "stb_wordwrap 1");
c(q[0] == 0 && q[1] == 18, "stb_wordwrap 2");
c(q[2] == 19 && q[3] == 17, "stb_wordwrap 3");
c(q[4] == 37 && q[5] == 10, "stb_wordwrap 4");
stb_arr_free(q);
q = stb_wordwrapalloc(12, "How now brown cow. Testinglishously. Okey dokey");
// How now
// brown cow.
// Testinglisho
// usly. Okey
// dokey
c(stb_arr_len(q) == 10, "stb_wordwrap 5");
c(q[4] == 19 && q[5] == 12, "stb_wordwrap 6");
c(q[6] == 31 && q[3] == 10, "stb_wordwrap 7");
stb_arr_free(q);
//test_script();
//test_packed_floats();
c(stb_alloc_count_alloc == stb_alloc_count_free, "stb_alloc 0");
if (stb_alloc_count_alloc != stb_alloc_count_free) {
printf("%d allocs, %d frees\n", stb_alloc_count_alloc, stb_alloc_count_free);
}
test_lex();
mt = stb_regex_matcher(".*foo.*bar.*");
c(stb_matcher_match(mt, "foobarx") == 1, "stb_matcher_match 1");
c(stb_matcher_match(mt, "foobar") == 1, "stb_matcher_match 2");
c(stb_matcher_match(mt, "foo bar") == 1, "stb_matcher_match 3");
c(stb_matcher_match(mt, "fo foo ba ba bar ba") == 1, "stb_matcher_match 4");
c(stb_matcher_match(mt, "fo oo oo ba ba bar foo") == 0, "stb_matcher_match 5");
stb_free(mt);
mt = stb_regex_matcher(".*foo.?bar.*");
c(stb_matcher_match(mt, "abfoobarx") == 1, "stb_matcher_match 6");
c(stb_matcher_match(mt, "abfoobar") == 1, "stb_matcher_match 7");
c(stb_matcher_match(mt, "abfoo bar") == 1, "stb_matcher_match 8");
c(stb_matcher_match(mt, "abfoo bar") == 0, "stb_matcher_match 9");
c(stb_matcher_match(mt, "abfo foo ba ba bar ba") == 0, "stb_matcher_match 10");
c(stb_matcher_match(mt, "abfo oo oo ba ba bar foo") == 0, "stb_matcher_match 11");
stb_free(mt);
mt = stb_regex_matcher(".*m((foo|bar)*baz)m.*");
c(stb_matcher_match(mt, "abfoobarx") == 0, "stb_matcher_match 12");
c(stb_matcher_match(mt, "a mfoofoofoobazm d") == 1, "stb_matcher_match 13");
c(stb_matcher_match(mt, "a mfoobarbazfoom d") == 0, "stb_matcher_match 14");
c(stb_matcher_match(mt, "a mbarbarfoobarbazm d") == 1, "stb_matcher_match 15");
c(stb_matcher_match(mt, "a mfoobarfoo bazm d") == 0, "stb_matcher_match 16");
c(stb_matcher_match(mt, "a mm foobarfoobarfoobar ") == 0, "stb_matcher_match 17");
stb_free(mt);
mt = stb_regex_matcher("f*|z");
c(stb_matcher_match(mt, "fz") == 0, "stb_matcher_match 0a");
c(stb_matcher_match(mt, "ff") == 1, "stb_matcher_match 0b");
c(stb_matcher_match(mt, "z") == 1, "stb_matcher_match 0c");
stb_free(mt);
mt = stb_regex_matcher("m(f|z*)n");
c(stb_matcher_match(mt, "mfzn") == 0, "stb_matcher_match 0d");
c(stb_matcher_match(mt, "mffn") == 0, "stb_matcher_match 0e");
c(stb_matcher_match(mt, "mzn") == 1, "stb_matcher_match 0f");
c(stb_matcher_match(mt, "mn") == 1, "stb_matcher_match 0g");
c(stb_matcher_match(mt, "mzfn") == 0, "stb_matcher_match 0f");
c(stb_matcher_find(mt, "manmanmannnnnnnmmmmmmmmm ") == 0, "stb_matcher_find 1");
c(stb_matcher_find(mt, "manmanmannnnnnnmmmmmmmmm ") == 0, "stb_matcher_find 2");
c(stb_matcher_find(mt, "manmanmannnnnnnmmmmmmmmmffzzz ") == 0, "stb_matcher_find 3");
c(stb_matcher_find(mt, "manmanmannnnnnnmmmmmmmmmnfzzz ") == 1, "stb_matcher_find 4");
c(stb_matcher_find(mt, "mmmfn aanmannnnnnnmmmmmm fzzz ") == 1, "stb_matcher_find 5");
c(stb_matcher_find(mt, "mmmzzn anmannnnnnnmmmmmm fzzz ") == 1, "stb_matcher_find 6");
c(stb_matcher_find(mt, "mm anmannnnnnnmmmmmm fzmzznzz ") == 1, "stb_matcher_find 7");
c(stb_matcher_find(mt, "mm anmannnnnnnmmmmmm fzmzzfnzz ") == 0, "stb_matcher_find 8");
c(stb_matcher_find(mt, "manmfnmannnnnnnmmmmmmmmmffzzz ") == 1, "stb_matcher_find 9");
stb_free(mt);
mt = stb_regex_matcher(".*m((foo|bar)*|baz)m.*");
c(stb_matcher_match(mt, "abfoobarx") == 0, "stb_matcher_match 18");
c(stb_matcher_match(mt, "a mfoofoofoobazm d") == 0, "stb_matcher_match 19");
c(stb_matcher_match(mt, "a mfoobarbazfoom d") == 0, "stb_matcher_match 20");
c(stb_matcher_match(mt, "a mbazm d") == 1, "stb_matcher_match 21");
c(stb_matcher_match(mt, "a mfoobarfoom d") == 1, "stb_matcher_match 22");
c(stb_matcher_match(mt, "a mm foobarfoobarfoobar ") == 1, "stb_matcher_match 23");
stb_free(mt);
mt = stb_regex_matcher("[a-fA-F]..[^]a-zA-Z]");
c(stb_matcher_match(mt, "Axx1") == 1, "stb_matcher_match 24");
c(stb_matcher_match(mt, "Fxx1") == 1, "stb_matcher_match 25");
c(stb_matcher_match(mt, "Bxx]") == 0, "stb_matcher_match 26");
c(stb_matcher_match(mt, "Cxxz") == 0, "stb_matcher_match 27");
c(stb_matcher_match(mt, "gxx[") == 0, "stb_matcher_match 28");
c(stb_matcher_match(mt, "-xx0") == 0, "stb_matcher_match 29");
stb_free(mt);
c(stb_wildmatch("foo*bar", "foobarx") == 0, "stb_wildmatch 0a");
c(stb_wildmatch("foo*bar", "foobar") == 1, "stb_wildmatch 1a");
c(stb_wildmatch("foo*bar", "foo bar") == 1, "stb_wildmatch 2a");
c(stb_wildmatch("foo*bar", "fo foo ba ba bar ba") == 0, "stb_wildmatch 3a");
c(stb_wildmatch("foo*bar", "fo oo oo ba ba ar foo") == 0, "stb_wildmatch 4a");
c(stb_wildmatch("*foo*bar*", "foobar") == 1, "stb_wildmatch 1b");
c(stb_wildmatch("*foo*bar*", "foo bar") == 1, "stb_wildmatch 2b");
c(stb_wildmatch("*foo*bar*", "fo foo ba ba bar ba") == 1, "stb_wildmatch 3b");
c(stb_wildmatch("*foo*bar*", "fo oo oo ba ba ar foo") == 0, "stb_wildmatch 4b");
c(stb_wildmatch("foo*bar*", "foobarx") == 1, "stb_wildmatch 1c");
c(stb_wildmatch("foo*bar*", "foobabar") == 1, "stb_wildmatch 2c");
c(stb_wildmatch("foo*bar*", "fo foo ba ba bar ba") == 0, "stb_wildmatch 3c");
c(stb_wildmatch("foo*bar*", "fo oo oo ba ba ar foo") == 0, "stb_wildmatch 4c");
c(stb_wildmatch("*foo*bar", "foobar") == 1, "stb_wildmatch 1d");
c(stb_wildmatch("*foo*bar", "foo bar") == 1, "stb_wildmatch 2d");
c(stb_wildmatch("*foo*bar", "fo foo ba ba bar ba") == 0, "stb_wildmatch 3d");
c(stb_wildmatch("*foo*bar", "fo oo oo ba ba ar foo") == 0, "stb_wildmatch 4d");
c(stb_wildfind("foo*bar", "xyfoobarx") == 2, "stb_wildfind 0a");
c(stb_wildfind("foo*bar", "aaafoobar") == 3, "stb_wildfind 1a");
c(stb_wildfind("foo*bar", "foo bar") == 0, "stb_wildfind 2a");
c(stb_wildfind("foo*bar", "fo foo ba ba bar ba") == 3, "stb_wildfind 3a");
c(stb_wildfind("foo*bar", "fo oo oo ba ba ar foo") == -1, "stb_wildfind 4a");
c(stb_wildmatch("*foo*;*bar*", "foobar") == 1, "stb_wildmatch 1e");
c(stb_wildmatch("*foo*;*bar*", "afooa") == 1, "stb_wildmatch 2e");
c(stb_wildmatch("*foo*;*bar*", "abara") == 1, "stb_wildmatch 3e");
c(stb_wildmatch("*foo*;*bar*", "abaza") == 0, "stb_wildmatch 4e");
c(stb_wildmatch("*foo*;*bar*", "foboar") == 0, "stb_wildmatch 5e");
test_sha1();
n = sizeof(args_raw)/sizeof(args_raw[0]);
memcpy(args, args_raw, sizeof(args_raw));
s = stb_getopt(&n, args);
c(n >= 1 && !strcmp(args[1], "bar" ), "stb_getopt 1");
c(stb_arr_len(s) >= 2 && !strcmp(s[2] , "r" ), "stb_getopt 2");
stb_getopt_free(s);
n = sizeof(args_raw)/sizeof(args_raw[0]);
memcpy(args, args_raw, sizeof(args_raw));
s = stb_getopt_param(&n, args, "f");
c(stb_arr_len(s) >= 3 && !strcmp(s[3] , "fbar"), "stb_getopt 3");
stb_getopt_free(s);
n = sizeof(args_raw)/sizeof(args_raw[0]);
memcpy(args, args_raw, sizeof(args_raw));
s = stb_getopt_param(&n, args, "x");
c(stb_arr_len(s) >= 2 && !strcmp(s[1] , "xrf" ), "stb_getopt 4");
stb_getopt_free(s);
n = sizeof(args_raw)/sizeof(args_raw[0]);
memcpy(args, args_raw, sizeof(args_raw));
s = stb_getopt_param(&n, args, "s");
c(s == NULL && n == 0 , "stb_getopt 5");
stb_getopt_free(s);
#if 0
c(*stb_csample_int(sample_test[0], 1, 5, 5, 3, -1, -1) == 1, "stb_csample_int 1");
c(*stb_csample_int(sample_test[0], 1, 5, 5, 3, 1, -3) == 2, "stb_csample_int 2");
c(*stb_csample_int(sample_test[0], 1, 5, 5, 3, 12, -2) == 5, "stb_csample_int 3");
c(*stb_csample_int(sample_test[0], 1, 5, 5, 3, 15, 1) == 10, "stb_csample_int 4");
c(*stb_csample_int(sample_test[0], 1, 5, 5, 3, 5, 4) == 15, "stb_csample_int 5");
c(*stb_csample_int(sample_test[0], 1, 5, 5, 3, 3, 3) == 14, "stb_csample_int 6");
c(*stb_csample_int(sample_test[0], 1, 5, 5, 3, -2, 5) == 11, "stb_csample_int 7");
c(*stb_csample_int(sample_test[0], 1, 5, 5, 3, -7, 0) == 1, "stb_csample_int 8");
c(*stb_csample_int(sample_test[0], 1, 5, 5, 3, 2, 1) == 8, "stb_csample_int 9");
#endif
c(!strcmp(stb_splitpath(buf, p1, STB_PATH ), "foo/bar\\baz/"), "stb_splitpath 1");
c(!strcmp(stb_splitpath(buf, p1, STB_FILE ), "test"), "stb_splitpath 2");
c(!strcmp(stb_splitpath(buf, p1, STB_EXT ), ".xyz"), "stb_splitpath 3");
c(!strcmp(stb_splitpath(buf, p1, STB_PATH_FILE ), "foo/bar\\baz/test"), "stb_splitpath 4");
c(!strcmp(stb_splitpath(buf, p1, STB_FILE_EXT ), "test.xyz"), "stb_splitpath 5");
c(!strcmp(stb_splitpath(buf, p2, STB_PATH ), "foo/"), "stb_splitpath 6");
c(!strcmp(stb_splitpath(buf, p2, STB_FILE ), ""), "stb_splitpath 7");
c(!strcmp(stb_splitpath(buf, p2, STB_EXT ), ".bar"), "stb_splitpath 8");
c(!strcmp(stb_splitpath(buf, p2, STB_PATH_FILE ), "foo/"), "stb_splitpath 9");
c(!strcmp(stb_splitpath(buf, p2, STB_FILE_EXT ), ".bar"), "stb_splitpath 10");
c(!strcmp(stb_splitpath(buf, p3, STB_PATH ), "./"), "stb_splitpath 11");
c(!strcmp(stb_splitpath(buf, p3, STB_FILE ), "foo"), "stb_splitpath 12");
c(!strcmp(stb_splitpath(buf, p3, STB_EXT ), ".bar"), "stb_splitpath 13");
c(!strcmp(stb_splitpath(buf, p3, STB_PATH_FILE ), "foo"), "stb_splitpath 14");
c(!strcmp(stb_splitpath(buf, p4, STB_PATH ), "foo/"), "stb_splitpath 16");
c(!strcmp(stb_splitpath(buf, p4, STB_FILE ), "bar"), "stb_splitpath 17");
c(!strcmp(stb_splitpath(buf, p4, STB_EXT ), ""), "stb_splitpath 18");
c(!strcmp(stb_splitpath(buf, p4, STB_PATH_FILE ), "foo/bar"), "stb_splitpath 19");
c(!strcmp(stb_splitpath(buf, p4, STB_FILE_EXT ), "bar"), "stb_splitpath 20");
c(!strcmp(p=stb_dupreplace("testfootffooo foo fox", "foo", "brap"), "testbraptfbrapo brap fox"), "stb_dupreplace 1"); free(p);
c(!strcmp(p=stb_dupreplace("testfootffooo foo fox", "foo", "" ), "testtfo fox" ), "stb_dupreplace 2"); free(p);
c(!strcmp(p=stb_dupreplace("abacab", "a", "aba"), "abababacabab" ), "stb_dupreplace 3"); free(p);
#if 0
m = stb_mml_parse("<a><b><c>x</c><d>y</d></b><e>&lt;&amp;f&gt;</e></a>");
c(m != NULL, "stb_mml_parse 1");
if (m) {
c(!strcmp(m->child[0]->child[0]->child[1]->tag, "d"), "stb_mml_parse 2");
c(!strcmp(m->child[0]->child[1]->leaf_data, "<&f>"), "stb_mml_parse 3");
}
if (m)
stb_mml_free(m);
c(stb_alloc_count_alloc == stb_alloc_count_free, "stb_alloc 1");
if (stb_alloc_count_alloc != stb_alloc_count_free) {
printf("%d allocs, %d frees\n", stb_alloc_count_alloc, stb_alloc_count_free);
}
#endif
c(stb_linear_remap(3.0f,0,8,1,2) == 1.375, "stb_linear_remap()");
c(stb_bitreverse(0x1248fec8) == 0x137f1248, "stb_bitreverse() 1");
c(stb_bitreverse8(0x4e) == 0x72, "stb_bitreverse8() 1");
c(stb_bitreverse8(0x31) == 0x8c, "stb_bitreverse8() 2");
for (n=1; n < 255; ++n) {
unsigned int m = stb_bitreverse8((uint8) n);
c(stb_bitreverse8((uint8) m) == (unsigned int) n, "stb_bitreverse8() 3");
}
for (n=2; n <= 31; ++n) {
c(stb_is_pow2 ((1 << n) ) == 1 , "stb_is_pow2() 1");
c(stb_is_pow2 ((1 << n)+1) == 0 , "stb_is_pow2() 2");
c(stb_is_pow2 ((1 << n)-1) == 0 , "stb_is_pow2() 3");
c(stb_log2_floor((1 << n) ) == n , "stb_log2_floor() 1");
c(stb_log2_floor((1 << n)+1) == n , "stb_log2_floor() 2");
c(stb_log2_floor((1 << n)-1) == n-1, "stb_log2_floor() 3");
c(stb_log2_ceil ((1 << n) ) == n , "stb_log2_ceil() 1");
c(stb_log2_ceil ((1 << n)+1) == n+1, "stb_log2_ceil() 2");
c(stb_log2_ceil ((1 << n)-1) == n , "stb_log2_ceil() 3");
c(stb_bitreverse(1 << n) == 1U << (31-n), "stb_bitreverse() 2");
}
c(stb_log2_floor(0) == -1, "stb_log2_floor() 4");
c(stb_log2_ceil (0) == -1, "stb_log2_ceil () 4");
c(stb_log2_floor(-1) == 31, "stb_log2_floor() 5");
c(stb_log2_ceil (-1) == 32, "stb_log2_ceil () 5");
c(stb_bitcount(0xffffffff) == 32, "stb_bitcount() 1");
c(stb_bitcount(0xaaaaaaaa) == 16, "stb_bitcount() 2");
c(stb_bitcount(0x55555555) == 16, "stb_bitcount() 3");
c(stb_bitcount(0x00000000) == 0, "stb_bitcount() 4");
c(stb_lowbit8(0xf0) == 4, "stb_lowbit8 1");
c(stb_lowbit8(0x10) == 4, "stb_lowbit8 2");
c(stb_lowbit8(0xf3) == 0, "stb_lowbit8 3");
c(stb_lowbit8(0xf8) == 3, "stb_lowbit8 4");
c(stb_lowbit8(0x60) == 5, "stb_lowbit8 5");
for (n=0; n < sizeof(buf); ++n)
buf[n] = 0;
for (n = 0; n < 200000; ++n) {
unsigned int k = stb_rand();
int i,z=0;
for (i=0; i < 32; ++i)
if (k & (1 << i)) ++z;
c(stb_bitcount(k) == z, "stb_bitcount() 5");
buf[k >> 24] = 1;
if (k != 0) {
if (stb_is_pow2(k)) {
c(stb_log2_floor(k) == stb_log2_ceil(k), "stb_is_pow2() 1");
c(k == 1U << stb_log2_floor(k), "stb_is_pow2() 2");
} else {
c(stb_log2_floor(k) == stb_log2_ceil(k)-1, "stb_is_pow2() 3");
}
}
c(stb_bitreverse(stb_bitreverse(n)) == (uint32) n, "stb_bitreverse() 3");
}
// make sure reasonable coverage from stb_rand()
for (n=0; n < sizeof(buf); ++n)
c(buf[n] != 0, "stb_rand()");
for (n=0; n < sizeof(buf); ++n)
buf[n] = 0;
for (n=0; n < 60000; ++n) {
float z = (float) stb_frand();
int n = (int) (z * sizeof(buf));
c(z >= 0 && z < 1, "stb_frand() 1");
c(n >= 0 && n < sizeof(buf), "stb_frand() 2");
buf[n] = 1;
}
// make sure reasonable coverage from stb_frand(),
// e.g. that the range remap isn't incorrect
for (n=0; n < sizeof(buf); ++n)
c(buf[n] != 0, "stb_frand()");
// stb_arr
{
short *s = NULL;
c(sum(s) == 0, "stb_arr 1");
stb_arr_add(s); s[0] = 3;
stb_arr_push(s,7);
c( stb_arr_valid(s,1), "stb_arr 2");
c(!stb_arr_valid(s,2), "stb_arr 3");
// force a realloc
stb_arr_push(s,0);
stb_arr_push(s,0);
stb_arr_push(s,0);
stb_arr_push(s,0);
c(sum(s) == 10, "stb_arr 4");
stb_arr_push(s,0);
s[0] = 1; s[1] = 5; s[2] = 20;
c(sum(s) == 26, "stb_arr 5");
stb_arr_setlen(s,2);
c(sum(s) == 6, "stb_arr 6");
stb_arr_setlen(s,1);
c(sum(s) == 1, "stb_arr 7");
stb_arr_setlen(s,0);
c(sum(s) == 0, "stb_arr 8");
stb_arr_push(s,3);
stb_arr_push(s,4);
stb_arr_push(s,5);
stb_arr_push(s,6);
stb_arr_push(s,7);
stb_arr_deleten(s,1,3);
c(stb_arr_len(s)==2 && sum(s) == 10, "stb_arr_9");
stb_arr_push(s,2);
// 3 7 2
stb_arr_insertn(s,2,2);
// 3 7 x x 2
s[2] = 5;
s[3] = 6;
c(s[0]==3 && s[1] == 7 && s[2] == 5 && s[3] == 6 && s[4] == 2, "stb_arr 10");
stb_arr_free(s);
}
#if 1
f= stb_fopen("data/stb.test", "wb");
fwrite(buffer, 1, sizeof(buffer)-1, f);
stb_fclose(f, stb_keep_yes);
#ifndef WIN32
sleep(1); // andLinux has some synchronization problem here
#endif
#else
f= fopen("data/stb.test", "wb");
fwrite(buffer, 1, sizeof(buffer)-1, f);
fclose(f);
#endif
if (!stb_fexists("data/stb.test")) {
fprintf(stderr, "Error: couldn't open file just written, or stb_fexists() is broken.\n");
}
f = fopen("data/stb.test", "rb");
// f = NULL; // test stb_fatal()
if (!f) { stb_fatal("Error: couldn't open file just written\n"); }
else {
char temp[4];
int len1 = stb_filelen(f), len2;
int n1,n2;
if (fread(temp,1,4,f) == 0) {
int n = ferror(f);
if (n) { stb_fatal("Error reading from stream: %d", n); }
if (feof(f)) stb_fatal("Weird, read 0 bytes and hit eof");
stb_fatal("Read 0, but neither feof nor ferror is true");
}
fclose(f);
p = stb_file("data/stb.test", &len2);
if (p == NULL) stb_fatal("Error: stb_file() failed");
c(len1 == sizeof(buffer)-1, "stb_filelen()");
c(len2 == sizeof(buffer)-1, "stb_file():n");
c(memcmp(p, buffer, sizeof(buffer)-1) == 0, "stb_file()");
c(strcmp(p, buffer)==0, "stb_file() terminated");
free(p);
s = stb_stringfile("data/stb.test", &n1);
c(n1 == 3, "stb_stringfile():n");
n2 = 0;
while (s[n2]) ++n2;
c(n1 == n2, "stb_stringfile():n length matches the non-NULL strings");
if (n2 == 3) {
c(strcmp(s[0],str1)==0, "stb_stringfile()[0]");
c(strcmp(s[1],str2)==0, "stb_stringfile()[1]");
c(strcmp(s[2],str3)==0, "stb_stringfile()[2] (no terminating newlines)");
}
free(s);
f = fopen("data/stb.test", "rb");
stb_fgets(buf, sizeof(buf), f);
//c(strcmp(buf, str1)==0, "stb_fgets()");
p = stb_fgets_malloc(f);
n1 = strlen(p);
n2 = strlen(str2);
c(strcmp(p, str2)==0, "stb_fgets_malloc()");
free(p);
stb_fgets(buf, sizeof(buf), f);
c(strcmp(buf, str3)==0, "stb_fgets()3");
}
c( stb_prefix("foobar", "foo"), "stb_prefix() 1");
c(!stb_prefix("foo", "foobar"), "stb_prefix() 2");
c( stb_prefix("foob", "foob" ), "stb_prefix() 3");
stb_strncpy(buf, "foobar", 6); c(strcmp(buf,"fooba" )==0, "stb_strncpy() 1");
stb_strncpy(buf, "foobar", 8); c(strcmp(buf,"foobar")==0, "stb_strncpy() 2");
c(!strcmp(p=stb_duplower("FooBar"), "foobar"), "stb_duplower()"); free(p);
strcpy(buf, "FooBar");
stb_tolower(buf);
c(!strcmp(buf, "foobar"), "stb_tolower()");
p = stb_strtok(buf, "foo=ba*r", "#=*");
c(!strcmp(buf, "foo" ), "stb_strtok() 1");
c(!strcmp(p , "ba*r"), "stb_strtok() 2");
p = stb_strtok(buf, "foobar", "#=*");
c(*p == 0, "stb_strtok() 3");
c(!strcmp(stb_skipwhite(" \t\n foo"), "foo"), "stb_skipwhite()");
s = stb_tokens("foo == ba*r", "#=*", NULL);
c(!strcmp(s[0], "foo "), "stb_tokens() 1");
c(!strcmp(s[1], " ba"), "stb_tokens() 2");
c(!strcmp(s[2], "r"), "stb_tokens() 3");
c(s[3] == 0, "stb_tokens() 4");
free(s);
s = stb_tokens_allowempty("foo == ba*r", "#=*", NULL);
c(!strcmp(s[0], "foo "), "stb_tokens_allowempty() 1");
c(!strcmp(s[1], "" ), "stb_tokens_allowempty() 2");
c(!strcmp(s[2], " ba"), "stb_tokens_allowempty() 3");
c(!strcmp(s[3], "r"), "stb_tokens_allowempty() 4");
c(s[4] == 0, "stb_tokens_allowempty() 5");
free(s);
s = stb_tokens_stripwhite("foo == ba*r", "#=*", NULL);
c(!strcmp(s[0], "foo"), "stb_tokens_stripwhite() 1");
c(!strcmp(s[1], "" ), "stb_tokens_stripwhite() 2");
c(!strcmp(s[2], "ba"), "stb_tokens_stripwhite() 3");
c(!strcmp(s[3], "r"), "stb_tokens_stripwhite() 4");
c(s[4] == 0, "stb_tokens_stripwhite() 5");
free(s);
s = stb_tokens_quoted("foo =\"=\" ba*\"\"r \" foo\" bah ", "#=*", NULL);
c(!strcmp(s[0], "foo"), "stb_tokens_quoted() 1");
c(!strcmp(s[1], "= ba"), "stb_tokens_quoted() 2");
c(!strcmp(s[2], "\"r foo bah"), "stb_tokens_quoted() 3");
c(s[3] == 0, "stb_tokens_quoted() 4");
free(s);
p = stb_file("stb.h", &len2);
if (p) {
uint32 z = stb_adler32_old(1, p, len2);
uint32 x = stb_adler32 (1, p, len2);
c(z == x, "stb_adler32() 1");
memset(p,0xff,len2);
z = stb_adler32_old((65520<<16) + 65520, p, len2);
x = stb_adler32 ((65520<<16) + 65520, p, len2);
c(z == x, "stb_adler32() 2");
free(p);
}
// stb_hheap
{
#define HHEAP_COUNT 100000
void **p = malloc(sizeof(*p) * HHEAP_COUNT);
int i, j;
#if 0
stb_hheap *h2, *h = stb_newhheap(sizeof(struct1),0);
for (i=0; i < HHEAP_COUNT; ++i)
p[i] = stb_halloc(h);
stb_shuffle(p, HHEAP_COUNT, sizeof(*p), stb_rand());
for (i=0; i < HHEAP_COUNT; ++i)
stb_hfree(p[i]);
c(h->num_alloc == 0, "stb_hheap 1");
stb_delhheap(h);
h = stb_newhheap(sizeof(struct1),0);
h2 = stb_newhheap(sizeof(struct2),8);
for (i=0; i < HHEAP_COUNT; ++i) {
if (i & 1)
p[i] = stb_halloc(h);
else {
p[i] = stb_halloc(h2);
c((((int) p[i]) & 4) == 0, "stb_hheap 2");
}
}
stb_shuffle(p, HHEAP_COUNT, sizeof(*p), stb_rand());
for (i=0; i < HHEAP_COUNT; ++i)
stb_hfree(p[i]);
c(h->num_alloc == 0, "stb_hheap 3");
c(h2->num_alloc == 0, "stb_hheap 4");
stb_delhheap(h);
stb_delhheap(h2);
#else
for (i=0; i < HHEAP_COUNT; ++i)
p[i] = malloc(32);
stb_shuffle(p, HHEAP_COUNT, sizeof(*p), stb_rand());
for (i=0; i < HHEAP_COUNT; ++i)
free(p[i]);
#endif
// now use the same array of pointers to do pointer set operations
for (j=100; j < HHEAP_COUNT; j += 25000) {
stb_ps *ps = NULL;
for (i=0; i < j; ++i)
ps = stb_ps_add(ps, p[i]);
for (i=0; i < HHEAP_COUNT; ++i)
c(stb_ps_find(ps, p[i]) == (i < j), "stb_ps 1");
c(stb_ps_count(ps) == j, "stb_ps 1b");
for (i=j; i < HHEAP_COUNT; ++i)
ps = stb_ps_add(ps, p[i]);
for (i=0; i < j; ++i)
ps = stb_ps_remove(ps, p[i]);
for (i=0; i < HHEAP_COUNT; ++i)
c(stb_ps_find(ps, p[i]) == !(i < j), "stb_ps 2");
stb_ps_delete(ps);
}
#define HHEAP_COUNT2 100
// now use the same array of pointers to do pointer set operations
for (j=1; j < 40; ++j) {
stb_ps *ps = NULL;
for (i=0; i < j; ++i)
ps = stb_ps_add(ps, p[i]);
for (i=0; i < HHEAP_COUNT2; ++i)
c(stb_ps_find(ps, p[i]) == (i < j), "stb_ps 3");
c(stb_ps_count(ps) == j, "stb_ps 3b");
for (i=j; i < HHEAP_COUNT2; ++i)
ps = stb_ps_add(ps, p[i]);
for (i=0; i < j; ++i)
ps = stb_ps_remove(ps, p[i]);
for (i=0; i < HHEAP_COUNT2; ++i)
c(stb_ps_find(ps, p[i]) == !(i < j), "stb_ps 4");
stb_ps_delete(ps);
}
free(p);
}
n = test_compression(tc, sizeof(tc));
c(n >= 0, "stb_compress()/stb_decompress() 1");
p = stb_file("stb.h", &len2);
if (p) {
FILE *f = fopen("data/stb_h.z", "wb");
if (stb_compress_stream_start(f)) {
int i;
void *q;
int len3;
for (i=0; i < len2; ) {
int n = stb_rand() % 10;
if (n <= 6) n = 1 + stb_rand()%16;
else if (n <= 8) n = 20 + stb_rand() % 1000;
else n = 15000;
if (i + n > len2) n = len2 - i;
stb_write(p + i, n);
i += n;
}
stb_compress_stream_end(1);
q = stb_decompress_fromfile("data/stb_h.z", &len3);
c(len3 == len2, "stb_compress_stream 2");
if (len2 == len3)
c(!memcmp(p,q,len2), "stb_compress_stream 3");
if (q) free(q);
} else {
c(0, "stb_compress_stream 1");
}
free(p);
stb_compress_window(65536*4);
}
p = stb_file("stb.h", &len2);
if (p) {
n = test_compression(p, len2);
c(n >= 0, "stb_compress()/stb_decompress() 2");
#if 0
n = test_en_compression(p, len2);
c(n >= 0, "stb_en_compress()/stb_en_decompress() 2");
#endif
free(p);
} else {
fprintf(stderr, "No stb.h to compression test.\n");
}
p = stb_file("data/test.bmp", &len2);
if (p) {
n = test_compression(p, len2);
c(n == 106141, "stb_compress()/stb_decompress() 4");
#if 0
n = test_en_compression(p, len2);
c(n >= 0, "stb_en_compress()/stb_en_decompress() 4");
#endif
free(p);
}
// the hardcoded compressed lengths being verified _could_
// change if you changed the compresser parameters; but pure
// performance optimizations shouldn't change them
p = stb_file("data/cantrbry.zip", &len2);
if (p) {
n = test_compression(p, len2);
c(n == 642787, "stb_compress()/stb_decompress() 3");
#if 0
n = test_en_compression(p, len2);
c(n >= 0, "stb_en_compress()/stb_en_decompress() 3");
#endif
free(p);
}
p = stb_file("data/bible.txt", &len2);
if (p) {
n = test_compression(p, len2);
c(n == 2022520, "stb_compress()/stb_decompress() 4");
#if 0
n = test_en_compression(p, len2);
c(n >= 0, "stb_en_compress()/stb_en_decompress() 4");
#endif
free(p);
}
{
int len = 1 << 25, o=0; // 32MB
char *buffer = malloc(len);
int i;
for (i=0; i < 8192; ++i)
buffer[o++] = (char) stb_rand();
for (i=0; i < (1 << 15); ++i)
buffer[o++] = 1;
for (i=0; i < 64; ++i)
buffer[o++] = buffer[i];
for (i=0; i < (1 << 21); ++i)
buffer[o++] = 2;
for (i=0; i < 64; ++i)
buffer[o++] = buffer[i];
for (i=0; i < (1 << 21); ++i)
buffer[o++] = 3;
for (i=0; i < 8192; ++i)
buffer[o++] = buffer[i];
for (i=0; i < (1 << 21); ++i)
buffer[o++] = 4;
assert(o < len);
stb_compress_window(1 << 24);
i = test_compression(buffer, len);
c(n >= 0, "stb_compress() 6");
free(buffer);
}
#ifdef STB_THREADS
stb_thread_cleanup();
#endif
stb_ischar(0,NULL);
stb_wrapper_listall(dumpfunc);
printf("Memory still in use: %d allocations of %d bytes.\n", alloc_num, alloc_size);
// force some memory checking
for (n=1; n < 20; ++n)
malloc(1 << n);
printf("Finished stb.c with %d errors.\n", count);
#ifdef _MSC_VER
if (count)
__asm int 3;
#endif
return 0;
}
#endif
// NIST test vectors
struct
{
int length;
char *message;
char *digest;
} sha1_tests[] =
{
24,
"616263",
"a9993e364706816aba3e25717850c26c9cd0d89d",
1304,
"ec29561244ede706b6eb30a1c371d74450a105c3f9735f7fa9fe38cf67f304a5736a106e"
"92e17139a6813b1c81a4f3d3fb9546ab4296fa9f722826c066869edacd73b25480351858"
"13e22634a9da44000d95a281ff9f264ecce0a931222162d021cca28db5f3c2aa24945ab1"
"e31cb413ae29810fd794cad5dfaf29ec43cb38d198fe4ae1da2359780221405bd6712a53"
"05da4b1b737fce7cd21c0eb7728d08235a9011",
"970111c4e77bcc88cc20459c02b69b4aa8f58217",
2096,
"5fc2c3f6a7e79dc94be526e5166a238899d54927ce470018fbfd668fd9dd97cbf64e2c91"
"584d01da63be3cc9fdff8adfefc3ac728e1e335b9cdc87f069172e323d094b47fa1e652a"
"fe4d6aa147a9f46fda33cacb65f3aa12234746b9007a8c85fe982afed7815221e43dba55"
"3d8fe8a022cdac1b99eeeea359e5a9d2e72e382dffa6d19f359f4f27dc3434cd27daeeda"
"8e38594873398678065fbb23665aba9309d946135da0e4a4afdadff14db18e85e71dd93c"
"3bf9faf7f25c8194c4269b1ee3d9934097ab990025d9c3aaf63d5109f52335dd3959d38a"
"e485050e4bbb6235574fc0102be8f7a306d6e8de6ba6becf80f37415b57f9898a5824e77"
"414197422be3d36a6080",
"0423dc76a8791107d14e13f5265b343f24cc0f19",
2888,
"0f865f46a8f3aed2da18482aa09a8f390dc9da07d51d1bd10fe0bf5f3928d5927d08733d"
"32075535a6d1c8ac1b2dc6ba0f2f633dc1af68e3f0fa3d85e6c60cb7b56c239dc1519a00"
"7ea536a07b518ecca02a6c31b46b76f021620ef3fc6976804018380e5ab9c558ebfc5cb1"
"c9ed2d974722bf8ab6398f1f2b82fa5083f85c16a5767a3a07271d67743f00850ce8ec42"
"8c7f22f1cf01f99895c0c844845b06a06cecb0c6cf83eb55a1d4ebc44c2c13f6f7aa5e0e"
"08abfd84e7864279057abc471ee4a45dbbb5774afa24e51791a0eada11093b88681fe30b"
"aa3b2e94113dc63342c51ca5d1a6096d0897b626e42cb91761058008f746f35465465540"
"ad8c6b8b60f7e1461b3ce9e6529625984cb8c7d46f07f735be067588a0117f23e34ff578"
"00e2bbe9a1605fde6087fb15d22c5d3ac47566b8c448b0cee40373e5ba6eaa21abee7136"
"6afbb27dbbd300477d70c371e7b8963812f5ed4fb784fb2f3bd1d3afe883cdd47ef32bea"
"ea",
"6692a71d73e00f27df976bc56df4970650d90e45",
3680,
"4893f1c763625f2c6ce53aacf28026f14b3cd8687e1a1d3b60a81e80fcd1e2b038f9145a"
"b64a0718f948f7c3c9ac92e3d86fb669a5257da1a18c776291653688338210a3242120f1"
"01788e8acc9110db9258b1554bf3d26602516ea93606a25a7f566c0c758fb39ecd9d876b"
"c5d8abc1c3205095382c2474cb1f8bbdb45c2c0e659cb0fc703ec607a5de6bcc7a28687d"
"b1ee1c8f34797bb2441d5706d210df8c2d7d65dbded36414d063c117b52a51f7a4eb9cac"
"0782e008b47459ed5acac0bc1f20121087f992ad985511b33c866d18e63f585478ee5a5e"
"654b19d81231d98683ae3f0533565aba43dce408d7e3c4c6be11d8f05165f29c9dcb2030"
"c4ee31d3a04e7421aa92c3231a1fc07e50e95fea7389a5e65891afaba51cf55e36a9d089"
"bf293accb356d5d06547307d6e41456d4ed146a056179971c56521c83109bf922866186e"
"184a99a96c7bb96df8937e35970e438412a2b8d744cf2ad87cb605d4232e976f9f151697"
"76e4e5b6b786132c966b25fc56d815c56c819af5e159aa39f8a93d38115f5580cda93bc0"
"73c30b39920e726fe861b72483a3f886269ab7a8eefe952f35d25c4eb7f443f4f3f26e43"
"d51fb54591e6a6dad25fcdf5142033084e5624bdd51435e77dea86b8",
"dc5859dd5163c4354d5d577b855fa98e37f04384",
4472,
"cf494c18a4e17bf03910631471bca5ba7edea8b9a63381e3463517961749848eb03abefd"
"4ce676dece3740860255f57c261a558aa9c7f11432f549a9e4ce31d8e17c79450ce2ccfc"
"148ad904aedfb138219d7052088520495355dadd90f72e6f69f9c6176d3d45f113f275b7"
"fbc2a295784d41384cd7d629b23d1459a22e45fd5097ec9bf65fa965d3555ec77367903c"
"32141065fc24da5c56963d46a2da3c279e4035fb2fb1c0025d9dda5b9e3443d457d92401"
"a0d3f58b48469ecb1862dc975cdbe75ca099526db8b0329b03928206f084c633c04eef5e"
"8e377f118d30edf592504be9d2802651ec78aeb02aea167a03fc3e23e5fc907c324f283f"
"89ab37e84687a9c74ccf055402db95c29ba2c8d79b2bd4fa96459f8e3b78e07e923b8119"
"8267492196ecb71e01c331f8df245ec5bdf8d0e05c91e63bb299f0f6324895304dda721d"
"39410458f117c87b7dd6a0ee734b79fcbe482b2c9e9aa0cef03a39d4b0c86de3bc34b4aa"
"dabfa373fd2258f7c40c187744d237080762382f547a36adb117839ca72f8ebbc5a20a07"
"e86f4c8bb923f5787698d278f6db0040e76e54645bb0f97083995b34b9aa445fc4244550"
"58795828dd00c32471ec402a307f5aa1b37b1a86d6dae3bcbfbe9ba41cab0beeabf489af"
"0073d4b3837d3f14b815120bc3602d072b5aeefcdec655fe756b660eba7dcf34675acbce"
"317746270599424b9248791a0780449c1eabbb9459cc1e588bfd74df9b1b711c85c09d8a"
"a171b309281947e8f4b6ac438753158f4f36fa",
"4c17926feb6e87f5bca7890d8a5cde744f231dab",
5264,
"8236153781bd2f1b81ffe0def1beb46f5a70191142926651503f1b3bb1016acdb9e7f7ac"
"ced8dd168226f118ff664a01a8800116fd023587bfba52a2558393476f5fc69ce9c65001"
"f23e70476d2cc81c97ea19caeb194e224339bcb23f77a83feac5096f9b3090c51a6ee6d2"
"04b735aa71d7e996d380b80822e4dfd43683af9c7442498cacbea64842dfda238cb09992"
"7c6efae07fdf7b23a4e4456e0152b24853fe0d5de4179974b2b9d4a1cdbefcbc01d8d311"
"b5dda059136176ea698ab82acf20dd490be47130b1235cb48f8a6710473cfc923e222d94"
"b582f9ae36d4ca2a32d141b8e8cc36638845fbc499bce17698c3fecae2572dbbd4705524"
"30d7ef30c238c2124478f1f780483839b4fb73d63a9460206824a5b6b65315b21e3c2f24"
"c97ee7c0e78faad3df549c7ca8ef241876d9aafe9a309f6da352bec2caaa92ee8dca3928"
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"be845661eabea2c91079321477a7c167c7234528d63d6aabbe723e0e337b2e61138a310a"
"3fd04368aa4215b7af9d0334a8a74681bcb86b4af87a0329a1ed9dc7c9aef14521785eda"
"0eeb97bdff8c9945fd0ee04e84d0dae091a69c0bfcdcd4150878fed839c0db6565fc1fed"
"0e7d6ae2efde7a59d58a9fb3b07e6f7cea51ba93f771c18b2eafa252d7fe171085776052"
"a6a17e6858f0a20b7e8be54413523989bf20a028a84d9ce98b78e6ee0b8362df49de5344"
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"c6625bf7b91ea0fb78c1563cceb8c4345bf4a9fbe6ee2b6bf5e81083",
"8b6d59106f04300cb57c7c961945cd77f3536b0a",
13976,
"162cca41155de90f6e4b76a34261be6666ef65bdb92b5831b47604ce42e0c6c8d2eda265"
"ab9a3716809bf2e745e7831a41768d0f6349a268d9ac6e6adfb832a5d51b75d7951cf60e"
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"cc2f1231ad1dd394d7eac9d8dab726b895b1ee774fdcabc8031063ecfa41c71a9f03ad23"
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"2af0c0d72dcbc2595299e1a1c2aeae549f7970e994c15e0ab02f113d740d38c32a4d8ec0"
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"850935779019b23bd0f2977a8c9478c424a7eaaeec04f3743a77bee2bec3937412e707bc"
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"dd964e6c70be79441969bfdf471f17a2dc0c92",
"6144c4786145852e2a01b20604c369d1b9721019",
14768,
"c9bed88d93806b89c2d028866842e6542ab88c895228c96c1f9f05125f8697c7402538b0"
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"1d95935de022aa17f366a31d4f4c4c54557a4235a9d56473444787ddc5c06c87087aef24"
"fa8280b7ac74d76ba685e4be7dc705e5a8a97c6c8fbd201ee5bf522438d23371c60c155d"
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"2e2844c3ff8ecb495de7ab26941cbf177b79ad7b05f918b713c417da8cf6e67db0a2dcee"
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"245ab2ade5340c281bda87afded1268e537955c9819168bd60fd440533c75c9b1865e03f"
"de3a301d165f97aa6da236cf39cf3e49512f6350224f8d76ff02d0d3b9a99e5f70b23b9f"
"a85f72849fc98790df246c3a0f4437940e60d42b4317f72e2eb055d343a614f7f9648005"
"1e4dff186dff476462d9ced24dbb82eaa60cbbf6a0026e64001da36d30f529f48f3688b1"
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"ef6f14a6a4fea09845f280022e061804090d7ab79f7bddcbef264b6f7d4e9971eddb9ca7"
"d0e79a8dbe7cff2fa59f514a608d66ae8c44d5e69745aa1b19995e366812064567d3ca20"
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"ef304f3cc7a0585df2b0b3e6c62f86bba0d43de47b80c4eec1c4f98e60a36188219919cf"
"36dc10ee11e174a67d226ad9e71f02a7fca26ad67a4862773f3defc6a747545314063e5f"
"ce7a3f890ec57daa5532acfd027739832437c8a58dcbe11c2842e60e8ca64979d081fbd5"
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"913e4fc49bde6caf5293030d0d234a8ecd616023cc668262591f812de208738e5336a9e6"
"9f9be2479b86be1e1369761518dfc93797ed3a55308878a944581eba50bc9c7f7a0e75c7"
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"0ee5ba1c8417aafc1af2846a127ec155b4b7fb369e90eb3a5c3793a3389bbc6b532ca32b"
"f5e1f03c2280e71c6e1ae21312d4ff163eee16ebb1fdee8e887bb0d453829b4e6ed5fa70"
"8f2053f29b81e277be46",
"a757ead499a6ec3d8ab9814f839117354ae563c8"
};
void test_sha1(void)
{
unsigned char buffer[4000];
int i;
for (i=0; i < sizeof(sha1_tests) / sizeof(sha1_tests[0]); ++i) {
stb_uint len = sha1_tests[i].length / 8;
unsigned char digest[20], fdig[20];
unsigned int h;
assert(len <= sizeof(buffer));
assert(strlen(sha1_tests[i].message) == len*2);
assert(strlen(sha1_tests[i].digest) == 20 * 2);
for (h=0; h < len; ++h) {
char v[3];
v[0] = sha1_tests[i].message[h*2];
v[1] = sha1_tests[i].message[h*2+1];
v[2] = 0;
buffer[h] = (unsigned char) strtol(v, NULL, 16);
}
stb_sha1(digest, buffer, len);
for (h=0; h < 20; ++h) {
char v[3];
int res;
v[0] = sha1_tests[i].digest[h*2];
v[1] = sha1_tests[i].digest[h*2+1];
v[2] = 0;
res = digest[h] == strtol(v, NULL, 16);
c(res, sha1_tests[i].digest);
if (!res)
break;
}
{
int z;
FILE *f = fopen("data/test.bin", "wb");
if (!f) stb_fatal("Couldn't write to test.bin");
fwrite(buffer, len, 1, f);
fclose(f);
#ifdef _WIN32
z = stb_sha1_file(fdig, "data/test.bin");
if (!z) stb_fatal("Couldn't digest test.bin");
c(memcmp(digest, fdig, 20)==0, "stb_sh1_file");
#endif
}
}
}
#if 0
stb__obj zero, one;
void test_packed_floats(void)
{
stb__obj *p;
float x,y,*q;
clock_t a,b,c;
int i;
stb_float_init();
for (i=-10; i < 10; ++i) {
float f = (float) pow(10,i);
float g = f * 10;
float delta = (g - f) / 10000;
while (f < g) {
stb__obj z = stb_float(f);
float k = stb_getfloat(z);
float p = stb_getfloat_table(z);
assert((z & 1) == 1);
assert(f == k);
assert(k == p);
f += delta;
}
}
zero = stb_float(0);
one = stb_float(1);
p = malloc(8192 * 4);
for (i=0; i < 8192; ++i)
p[i] = stb_rand();
for (i=0; i < 8192; ++i)
if ((stb_rand() & 31) < 28)
p[i] = zero;
q = malloc(4 * 1024);
a = clock();
x = y = 0;
for (i=0; i < 200000000; ++i)
q[i&1023] = stb_getfloat_table(p[i&8191]);
b = clock();
for (i=0; i < 200000000; ++i)
q[i&1023] = stb_getfloat_table2(p[i&8191]);
c = clock();
free(p);
free(q);
printf("Table: %d\nIFs: %d\n", b-a, c-b);
}
#endif
void do_compressor(int argc,char**argv)
{
char *p;
int len;
int window;
if (argc == 2) {
p = stb_file(argv[1], &len);
if (p) {
int dlen, clen = stb_compress_tofile("data/dummy.bin", p, len);
char *q = stb_decompress_fromfile("data/dummy.bin", &dlen);
if (len != dlen) {
printf("FAILED %d -> %d\n", len, clen);
} else {
int z = memcmp(q,p,dlen);
if (z != 0)
printf("FAILED %d -> %d\n", len, clen);
else
printf("%d -> %d\n", len, clen);
}
}
return;
}
window = atoi(argv[1]);
if (window && argc == 4) {
p = stb_file(argv[3], &len);
if (p) {
stb_compress_hashsize(window);
stb_compress_tofile(argv[2], p, len);
}
} else if (argc == 3) {
p = stb_decompress_fromfile(argv[2], &len);
if (p) {
FILE *f = fopen(argv[1], "wb");
fwrite(p,1,len,f);
fclose(f);
} else {
fprintf(stderr, "FAILED.\n");
}
} else {
fprintf(stderr, "Usage: stb <hashsize> <output> <filetocompress>\n"
" or stb <output> <filetodecompress>\n");
}
}
#if 0
// naive backtracking implementation
int wildmatch(char *expr, char *candidate)
{
while(*expr) {
if (*expr == '?') {
if (!*candidate) return 0;
++candidate;
++expr;
} else if (*expr == '*') {
++expr;
while (*expr == '*' || *expr =='?') ++expr;
// '*' at end of expression matches anything
if (!*expr) return 1;
// now scan candidate 'til first match
while (*candidate) {
if (*candidate == *expr) {
// check this candidate
if (stb_wildmatch(expr+1, candidate+1))
return 1;
// if not, then backtrack
}
++candidate;
}
} else {
if (*expr != *candidate)
return 0;
++expr, ++candidate;
}
}
return *candidate != 0;
}
int stb_matcher_find_slow(stb_matcher *m, char *str)
{
int result = 1;
int i,j,y,z;
uint16 *previous = NULL;
uint16 *current = NULL;
uint16 *temp;
stb_arr_setsize(previous, 4);
stb_arr_setsize(current, 4);
previous = stb__add_if_inactive(m, previous, m->start_node);
previous = stb__eps_closure(m,previous);
if (stb__clear_goalcheck(m, previous))
goto done;
while (*str) {
y = stb_arr_len(previous);
for (i=0; i < y; ++i) {
stb_nfa_node *n = &m->nodes[previous[i]];
z = stb_arr_len(n->out);
for (j=0; j < z; ++j) {
if (n->out[j].match == *str)
current = stb__add_if_inactive(m, current, n->out[j].node);
else if (n->out[j].match == -1) {
if (*str != '\n')
current = stb__add_if_inactive(m, current, n->out[j].node);
} else if (n->out[j].match < -1) {
int z = -n->out[j].match - 2;
if (m->charset[(uint8) *str] & (1 << z))
current = stb__add_if_inactive(m, current, n->out[j].node);
}
}
}
++str;
stb_arr_setlen(previous, 0);
temp = previous;
previous = current;
current = temp;
if (!m->match_start)
previous = stb__add_if_inactive(m, previous, m->start_node);
previous = stb__eps_closure(m,previous);
if (stb__clear_goalcheck(m, previous))
goto done;
}
result=0;
done:
stb_arr_free(previous);
stb_arr_free(current);
return result;
}
#endif
//////////////////////////////////////////////////////////////////////////
//
// stb_parser
//
// Generates an LR(1) parser from a grammar, and can parse with it
// Symbol representations
//
// Client: Internal:
// - c=0 e aka epsilon
// - c=1 $ aka end of string
// > 0 2<=c<M terminals (note these are remapped from a sparse layout)
// < 0 M<=c<N non-terminals
#define END 1
#define EPS 0
short encode_term[4096]; // @TODO: malloc these
short encode_nonterm[4096];
int first_nonterm, num_symbols, symset;
#define encode_term(x) encode_term[x]
#define encode_nonterm(x) encode_nonterm[~(x)]
#define encode_symbol(x) ((x) >= 0 ? encode_term(x) : encode_nonterm(x))
stb_bitset **compute_first(short ** productions)
{
int i, changed;
stb_bitset **first = malloc(sizeof(*first) * num_symbols);
assert(symset);
for (i=0; i < num_symbols; ++i)
first[i] = stb_bitset_new(0, symset);
for (i=END; i < first_nonterm; ++i)
stb_bitset_setbit(first[i], i);
for (i=0; i < stb_arr_len(productions); ++i) {
if (productions[i][2] == 0) {
int nt = encode_nonterm(productions[i][0]);
stb_bitset_setbit(first[nt], EPS);
}
}
do {
changed = 0;
for (i=0; i < stb_arr_len(productions); ++i) {
int j, nt = encode_nonterm(productions[i][0]);
for (j=2; productions[i][j]; ++j) {
int z = encode_symbol(productions[i][j]);
changed |= stb_bitset_unioneq_changed(first[nt], first[z], symset);
if (!stb_bitset_testbit(first[z], EPS))
break;
}
if (!productions[i][j] && !stb_bitset_testbit(first[nt], EPS)) {
stb_bitset_setbit(first[nt], EPS);
changed = 1;
}
}
} while (changed);
return first;
}
stb_bitset **compute_follow(short ** productions, stb_bitset **first, int start)
{
int i,j,changed;
stb_bitset **follow = malloc(sizeof(*follow) * num_symbols);
assert(symset);
for (i=0; i < num_symbols; ++i)
follow[i] = (i >= first_nonterm ? stb_bitset_new(0, symset) : NULL);
stb_bitset_setbit(follow[start], END);
do {
changed = 0;
for (i=0; i < stb_arr_len(productions); ++i) {
int nt = encode_nonterm(productions[i][0]);
for (j=2; productions[i][j]; ++j) {
if (productions[i][j] < 0) {
int k,z = encode_nonterm(productions[i][j]);
for (k=j+1; productions[i][k]; ++k) {
int q = encode_symbol(productions[i][k]);
changed |= stb_bitset_unioneq_changed(follow[z], first[q], symset);
if (!stb_bitset_testbit(first[q], EPS))
break;
}
if (!productions[i][k] == 0)
changed |= stb_bitset_unioneq_changed(follow[z], follow[nt], symset);
}
}
}
} while (changed);
for (i=first_nonterm; i < num_symbols; ++i)
stb_bitset_clearbit(follow[i], EPS);
return follow;
}
void first_for_prod_plus_sym(stb_bitset **first, stb_bitset *out, short *prod, int symbol)
{
stb_bitset_clearall(out, symset);
for(;*prod;++prod) {
int z = encode_symbol(*prod);
stb_bitset_unioneq_changed(out, first[z], symset);
if (!stb_bitset_testbit(first[z], EPS))
return;
}
stb_bitset_unioneq_changed(out, first[symbol], symset);
}
#define Item(p,c,t) ((void *) (((t) << 18) + ((c) << 12) + ((p) << 2)))
#define ItemProd(i) ((((uint32) (i)) >> 2) & 1023)
#define ItemCursor(i) ((((uint32) (i)) >> 12) & 63)
#define ItemLookahead(i) (((uint32) (i)) >> 18)
static void pc(stb_ps *p)
{
}
typedef struct
{
short *prod;
int prod_num;
} ProdRef;
typedef struct
{
stb_bitset **first;
stb_bitset **follow;
short ** prod;
ProdRef ** prod_by_nt;
} Grammar;
stb_ps *itemset_closure(Grammar g, stb_ps *set)
{
stb_bitset *lookahead;
int changed,i,j,k, list_len;
if (set == NULL) return set;
lookahead = stb_bitset_new(0, symset);
do {
void **list = stb_ps_getlist(set, &list_len);
changed = 0;
for (i=0; i < list_len; ++i) {
ProdRef *prod;
int nt, *looklist;
int p = ItemProd(list[i]), c = ItemCursor(list[i]), t = ItemLookahead(list[i]);
if (g.prod[p][c] >= 0) continue;
nt = encode_nonterm(g.prod[p][c]);
first_for_prod_plus_sym(g.first, lookahead, g.prod[p]+c+1, t);
looklist = stb_bitset_getlist(lookahead, 1, first_nonterm);
prod = g.prod_by_nt[nt];
for (j=0; j < stb_arr_len(prod); ++j) {
assert(prod[j].prod[0] == g.prod[p][c]);
// matched production; now iterate terminals
for (k=0; k < stb_arr_len(looklist); ++k) {
void *item = Item(prod[j].prod_num,2,looklist[k]);
if (!stb_ps_find(set, item)) {
changed = 1;
set = stb_ps_add(set, item);
pc(set);
}
}
}
stb_arr_free(looklist);
}
free(list);
} while (changed);
free(lookahead);
return set;
}
stb_ps *itemset_goto(Grammar g, stb_ps *set, int sym)
{
int i, listlen;
void **list = stb_ps_fastlist(set, &listlen);
stb_ps *out = NULL;
for (i=0; i < listlen; ++i) {
int p,c;
if (!stb_ps_fastlist_valid(list[i])) continue;
p = ItemProd(list[i]), c = ItemCursor(list[i]);
if (encode_symbol(g.prod[p][c]) == sym) {
void *z = Item(p,c+1,ItemLookahead(list[i]));
if (!stb_ps_find(out, z))
out = stb_ps_add(out, z);
pc(out);
}
}
return itemset_closure(g, out);
}
void itemset_all_nextsym(Grammar g, stb_bitset *out, stb_ps *set)
{
int i, listlen;
void **list = stb_ps_fastlist(set, &listlen);
stb_bitset_clearall(out, symset);
pc(set);
for (i=0; i < listlen; ++i) {
if (stb_ps_fastlist_valid(list[i])) {
int p = ItemProd(list[i]);
int c = ItemCursor(list[i]);
if (g.prod[p][c])
stb_bitset_setbit(out, encode_symbol(g.prod[p][c]));
}
}
}
stb_ps ** generate_items(Grammar g, int start_prod)
{
stb_ps ** all=NULL;
int i,j,k;
stb_bitset *try = stb_bitset_new(0,symset);
stb_ps *set = NULL;
void *item = Item(start_prod, 2, END);
set = stb_ps_add(set, item);
pc(set);
set = itemset_closure(g, set);
pc(set);
stb_arr_push(all, set);
for (i = 0; i < stb_arr_len(all); ++i) {
// only try symbols that appear in all[i]... there's a smarter way to do this,
// which is to take all[i], and divide it up by symbol
pc(all[i]);
itemset_all_nextsym(g, try, all[i]);
for (j = 1; j < num_symbols; ++j) {
if (stb_bitset_testbit(try, j)) {
stb_ps *out;
if (stb_arr_len(all) > 4) pc(all[4]);
if (i == 1 && j == 29) {
if (stb_arr_len(all) > 4) pc(all[4]);
out = itemset_goto(g, all[i], j);
if (stb_arr_len(all) > 4) pc(all[4]);
} else
out = itemset_goto(g, all[i], j);
pc(out);
if (stb_arr_len(all) > 4) pc(all[4]);
if (out != NULL) {
// add it to the array if it's not already there
for (k=0; k < stb_arr_len(all); ++k)
if (stb_ps_eq(all[k], out))
break;
if (k == stb_arr_len(all)) {
stb_arr_push(all, out);
pc(out);
if (stb_arr_len(all) > 4) pc(all[4]);
} else
stb_ps_delete(out);
}
}
}
}
free(try);
return all;
}
typedef struct
{
int num_stack;
int function;
} Reduction;
typedef struct
{
short *encode_term;
Reduction *reductions;
short **action_goto; // terminals are action, nonterminals are goto
int start;
int end_term;
} Parser;
enum
{
A_error, A_accept, A_shift, A_reduce, A_conflict
};
typedef struct
{
uint8 type;
uint8 cursor;
short prod;
short value;
} Action;
Parser *parser_create(short **productions, int num_prod, int start_nt, int end_term)
{
short *mini_rule = malloc(4 * sizeof(mini_rule[0]));
Action *actions;
Grammar g;
stb_ps ** sets;
Parser *p = malloc(sizeof(*p));
int i,j,n;
stb_bitset *mapped;
int min_s=0, max_s=0, termset, ntset, num_states, num_reductions, init_prod;
int synth_start;
// remap sparse terminals and nonterminals
for (i=0; i < num_prod; ++i) {
for (j=2; productions[i][j]; ++j) {
if (productions[i][j] < min_s) min_s = productions[i][j];
if (productions[i][j] > max_s) max_s = productions[i][j];
}
}
synth_start = --min_s;
termset = (max_s + 32) >> 5;
ntset = (~min_s + 32) >> 5;
memset(encode_term, 0, sizeof(encode_term));
memset(encode_nonterm, 0, sizeof(encode_nonterm));
mapped = stb_bitset_new(0, termset);
n = 2;
for (i=0; i < num_prod; ++i)
for (j=2; productions[i][j]; ++j)
if (productions[i][j] > 0)
if (!stb_bitset_testbit(mapped, productions[i][j])) {
stb_bitset_setbit(mapped, productions[i][j]);
encode_term[productions[i][j]] = n++;
}
free(mapped);
first_nonterm = n;
mapped = stb_bitset_new(0, ntset);
for (i=0; i < num_prod; ++i)
for (j=2; productions[i][j]; ++j)
if (productions[i][j] < 0)
if (!stb_bitset_testbit(mapped, ~productions[i][j])) {
stb_bitset_setbit(mapped, ~productions[i][j]);
encode_nonterm[~productions[i][j]] = n++;
}
free(mapped);
// add a special start state for internal processing
p->start = n++;
encode_nonterm[synth_start] = p->start;
mini_rule[0] = synth_start;
mini_rule[1] = -32768;
mini_rule[2] = start_nt;
mini_rule[3] = 0;
p->end_term = end_term;
num_symbols = n;
// create tables
g.prod = NULL;
g.prod_by_nt = malloc(num_symbols * sizeof(g.prod_by_nt[0]));
for (i=0; i < num_symbols; ++i)
g.prod_by_nt[i] = NULL;
for (i=0; i < num_prod; ++i) {
stb_arr_push(g.prod, productions[i]);
}
init_prod = stb_arr_len(g.prod);
stb_arr_push(g.prod, mini_rule);
num_reductions = stb_arr_len(g.prod);
p->reductions = malloc(num_reductions * sizeof(*p->reductions));
symset = (num_symbols + 31) >> 5;
g.first = compute_first(g.prod);
g.follow = compute_follow(g.prod, g.first, p->start);
for (i=0; i < stb_arr_len(g.prod); ++i) {
ProdRef pr = { g.prod[i], i };
stb_arr_push(g.prod_by_nt[encode_nonterm(g.prod[i][0])], pr);
}
sets = generate_items(g, init_prod);
num_states = stb_arr_len(sets);
// now generate tables
actions = malloc(sizeof(*actions) * first_nonterm);
p->action_goto = (short **) stb_array_block_alloc(num_states, sizeof(short) * num_symbols);
for (i=0; i < num_states; ++i) {
int j,n;
void **list = stb_ps_getlist(sets[i], &n);
memset(actions, 0, sizeof(*actions) * first_nonterm);
for (j=0; j < n; ++j) {
int p = ItemProd(list[j]), c = ItemCursor(list[j]), t = ItemLookahead(list[j]);
if (g.prod[p][c] == 0) {
if (p == init_prod) {
// @TODO: check for conflicts
assert(actions[t].type == A_error || actions[t].type == A_accept);
actions[t].type = A_accept;
} else {
// reduce production p
if (actions[t].type == A_reduce) {
// is it the same reduction we already have?
if (actions[t].prod != p) {
// no, it's a reduce-reduce conflict!
printf("Reduce-reduce conflict for rule %d and %d, lookahead %d\n", p, actions[t].prod, t);
// @TODO: use precedence
actions[t].type = A_conflict;
}
} else if (actions[t].type == A_shift) {
printf("Shift-reduce conflict for rule %d and %d, lookahead %d\n", actions[t].prod, p, t);
actions[t].type = A_conflict;
} else if (actions[t].type == A_accept) {
assert(0);
} else if (actions[t].type == A_error) {
actions[t].type = A_reduce;
actions[t].prod = p;
}
}
} else if (g.prod[p][c] > 0) {
int a = encode_symbol(g.prod[p][c]), k;
stb_ps *out = itemset_goto(g, sets[i], a);
for (k=0; k < stb_arr_len(sets); ++k)
if (stb_ps_eq(sets[k], out))
break;
assert(k < stb_arr_len(sets));
// shift k
if (actions[a].type == A_shift) {
if (actions[a].value != k) {
printf("Shift-shift conflict! Rule %d and %d with lookahead %d/%d\n", actions[a].prod, p, a,t);
actions[a].type = A_conflict;
}
} else if (actions[a].type == A_reduce) {
printf("Shift-reduce conflict for rule %d and %d, lookahead %d/%d\n", p, actions[a].prod, a,t);
actions[a].type = A_conflict;
} else if (actions[a].type == A_accept) {
assert(0);
} else if (actions[a].type == A_error) {
actions[a].type = A_shift;
actions[a].prod = p;
actions[a].cursor = c;
actions[a].value = k;
}
}
}
// @TODO: recompile actions into p->action_goto
}
free(mini_rule);
stb_pointer_array_free(g.first , num_symbols); free(g.first );
stb_pointer_array_free(g.follow, num_symbols); free(g.follow);
stb_arr_free(g.prod);
for (i=0; i < num_symbols; ++i)
stb_arr_free(g.prod_by_nt[i]);
free(g.prod_by_nt);
for (i=0; i < stb_arr_len(sets); ++i)
stb_ps_delete(sets[i]);
stb_arr_free(sets);
return p;
}
void parser_destroy(Parser *p)
{
free(p);
}
#if 0
enum nonterm
{
N_globals = -50,
N_global, N_vardef, N_varinitlist, N_varinit, N_funcdef, N_optid, N_optparamlist,
N_paramlist, N_param, N_optinit, N_optcomma, N_statements, N_statement,
N_optexpr, N_assign, N_if, N_ifcore, N_else, N_dictdef, N_dictdef2,
N_dictdefitem, N_expr,
N__last
};
short grammar[][10] =
{
{ N_globals , 0, N_globals, N_global },
{ N_globals , 0 },
{ N_global , 0, N_vardef },
{ N_global , 0, N_funcdef },
{ N_vardef , 0, ST_var, N_varinitlist, },
{ N_varinitlist, 0, N_varinitlist, ',', N_varinit },
{ N_varinitlist, 0, N_varinit, },
{ N_varinit , 0, ST_id, N_optinit, },
{ N_funcdef , 0, ST_func, N_optid, '(', N_optparamlist, ')', N_statements, ST_end },
{ N_optid , 0, ST_id },
{ N_optid , 0, },
{ N_optparamlist, 0, },
{ N_optparamlist, 0, N_paramlist, N_optcomma },
{ N_paramlist , 0, N_paramlist, ',', N_param },
{ N_paramlist , 0, N_param },
{ N_param , 0, ST_id, N_optinit },
{ N_optinit , 0, '=', N_expr },
{ N_optinit , 0, },
{ N_optcomma , 0, ',' },
{ N_optcomma , 0, },
{ N_statements , 0, N_statements, N_statement },
{ N_statement , 0, N_statement, ';' },
{ N_statement , 0, N_varinit },
{ N_statement , 0, ST_return, N_expr },
{ N_statement , 0, ST_break , N_optexpr },
{ N_optexpr , 0, N_expr },
{ N_optexpr , 0, },
{ N_statement , 0, ST_continue },
{ N_statement , 0, N_assign },
{ N_assign , 0, N_expr, '=', N_assign },
//{ N_assign , 0, N_expr },
{ N_statement , 0, ST_while, N_expr, N_statements, ST_end },
{ N_statement , 0, ST_if, N_if, },
{ N_if , 0, N_ifcore, ST_end, },
{ N_ifcore , 0, N_expr, ST_then, N_statements, N_else, ST_end },
{ N_else , 0, ST_elseif, N_ifcore },
{ N_else , 0, ST_else, N_statements },
{ N_else , 0, },
{ N_dictdef , 0, N_dictdef2, N_optcomma },
{ N_dictdef2 , 0, N_dictdef2, ',', N_dictdefitem },
{ N_dictdef2 , 0, N_dictdefitem },
{ N_dictdefitem, 0, ST_id, '=', N_expr },
{ N_dictdefitem, 0, N_expr },
{ N_expr , 0, ST_number },
{ N_expr , 0, ST_string },
{ N_expr , 0, ST_id },
{ N_expr , 0, N_funcdef },
{ N_expr , 0, '-', N_expr },
{ N_expr , 0, '{', N_dictdef, '}' },
{ N_expr , 0, '(', N_expr, ')' },
{ N_expr , 0, N_expr, '.', ST_id },
{ N_expr , 0, N_expr, '[', N_expr, ']' },
{ N_expr , 0, N_expr, '(', N_dictdef, ')' },
#if 0
#define BINOP(op) { N_expr, 0, N_expr, op, N_expr }
BINOP(ST_and), BINOP(ST_or), BINOP(ST_eq), BINOP(ST_ne),
BINOP(ST_le), BINOP(ST_ge), BINOP('>') , BINOP('<' ),
BINOP('&'), BINOP('|'), BINOP('^'), BINOP('+'), BINOP('-'),
BINOP('*'), BINOP('/'), BINOP('%'),
#undef BINOP
#endif
};
short *grammar_list[stb_arrcount(grammar)];
void test_parser_generator(void)
{
Parser *p;
int i;
assert(N__last <= 0);
for (i=0; i < stb_arrcount(grammar); ++i)
grammar_list[i] = grammar[i];
p = parser_create(grammar_list, stb_arrcount(grammar), N_globals, 0);
parser_destroy(p);
}
#endif
#if 0
// stb_threadtest.c
#include <windows.h>
#define STB_DEFINE
//#define STB_THREAD_TEST
#include "../stb.h"
#define NUM_WORK 100
void *work_consumer(void *p)
{
stb__thread_sleep(20);
return NULL;
}
int pass;
stb_threadqueue *tq1, *tq2, *tq3, *tq4;
volatile float t1,t2;
// with windows.h
// Worked correctly with 100,000,000 enqueue/dequeue WAITLESS
// (770 passes, 170000 per pass)
// Worked correctly with 2,500,000 enqueue/dequeue !WAITLESS
// (15 passes, 170000 per pass)
// Worked correctly with 1,500,000 enqueue/dequeue WAITLESS && STB_THREAD_TEST
// (9 passes, 170000 per pass)
// without windows.h
// Worked correctly with 1,000,000 enqueue/dequeue WAITLESS && STB_THREAD_TEST
// (6 passes, 170000 per pass)
// Worked correctly with 500,000 enqueue/dequeue !WAITLESS && STB_THREAD_TEST
// (3 passes, 170000 per pass)
// Worked correctly with 1,000,000 enqueue/dequeue WAITLESS
// (15 passes, 170000 per pass)
#define WAITLESS
volatile int table[1000*1000*10];
void wait(int n)
{
#ifndef WAITLESS
int j;
float y;
for (j=0; j < n; ++j)
y += 1 / (t1+j);
t2 = y;
#endif
}
void *tq1_consumer(void *p)
{
for(;;) {
int z;
float y = 0;
stb_threadq_get_block(tq1, &z);
wait(5000);
table[z] = pass;
}
}
void *tq2_consumer(void *p)
{
for(;;) {
int z;
if (stb_threadq_get(tq2, &z))
table[z] = pass;
wait(1000);
}
}
void *tq3_consumer(void *p)
{
for(;;) {
int z;
stb_threadq_get_block(tq3, &z);
table[z] = pass;
wait(500);
}
}
void *tq4_consumer(void *p)
{
for (;;) {
int z;
stb_threadq_get_block(tq4, &z);
table[z] = pass;
wait(500);
}
}
typedef struct
{
int start, end;
stb_threadqueue *tq;
int delay;
} write_data;
void *writer(void *q)
{
int i;
write_data *p = (write_data *) q;
for (i=p->start; i < p->end; ++i) {
stb_threadq_add_block(p->tq, &i);
#ifndef WAITLESS
if (p->delay) stb__thread_sleep(p->delay);
else {
int j;
float z = 0;
for (j=0; j <= 20; ++j)
z += 1 / (t1+j);
t2 = z;
}
#endif
}
return NULL;
}
write_data info[256];
int pos;
void start_writer(int z, int count, stb_threadqueue *tq, int delay)
{
info[z].start = pos;
info[z].end = pos+count;
info[z].tq = tq;
info[z].delay = delay;
stb_create_thread(writer, &info[z]);
pos += count;
}
int main(int argc, char **argv)
{
int i;
stb_sync s = stb_sync_new();
stb_sync_set_target(s, NUM_WORK+1);
stb_work_numthreads(2);
for (i=0; i < NUM_WORK; ++i) {
stb_work_reach(work_consumer, NULL, NULL, s);
}
printf("Started stb_work test.\n");
t1 = 1;
// create the queues
tq1 = stb_threadq_new(4, 4, TRUE , TRUE);
tq2 = stb_threadq_new(4, 4, TRUE , FALSE);
tq3 = stb_threadq_new(4, 4, FALSE, TRUE);
tq4 = stb_threadq_new(4, 4, FALSE, FALSE);
// start the consumers
stb_create_thread(tq1_consumer, NULL);
stb_create_thread(tq1_consumer, NULL);
stb_create_thread(tq1_consumer, NULL);
stb_create_thread(tq2_consumer, NULL);
stb_create_thread(tq3_consumer, NULL);
stb_create_thread(tq3_consumer, NULL);
stb_create_thread(tq3_consumer, NULL);
stb_create_thread(tq3_consumer, NULL);
stb_create_thread(tq3_consumer, NULL);
stb_create_thread(tq3_consumer, NULL);
stb_create_thread(tq3_consumer, NULL);
stb_create_thread(tq4_consumer, NULL);
for (pass=1; pass <= 5000; ++pass) {
int z = 0;
int last_n = -1;
int identical = 0;
pos = 0;
start_writer(z++, 50000, tq1, 0);
start_writer(z++, 50000, tq1, 0);
start_writer(z++, 50000, tq1, 0);
start_writer(z++, 5000, tq2, 1);
start_writer(z++, 3000, tq2, 3);
start_writer(z++, 2000, tq2, 5);
start_writer(z++, 5000, tq3, 3);
start_writer(z++, 5000, tq4, 3);
#ifndef WAITLESS
stb__thread_sleep(8000);
#endif
for(;;) {
int n =0;
for (i=0; i < pos; ++i) {
if (table[i] == pass)
++n;
}
if (n == pos) break;
if (n == last_n) {
++identical;
if (identical == 3) {
printf("Problem slots:\n");
for (i=0; i < pos; ++i) {
if (table[i] != pass) printf("%d ", i);
}
printf("\n");
} else {
if (identical < 3)
printf("Processed %d of %d\n", n, pos);
else
printf(".");
}
} else {
identical = 0;
printf("Processed %d of %d\n", n, pos);
}
last_n = n;
#ifdef WAITLESS
stb__thread_sleep(750);
#else
stb__thread_sleep(3000);
#endif
}
printf("Finished pass %d\n", pass);
}
stb_sync_reach_and_wait(s);
printf("stb_work test completed ok.\n");
return 0;
}
#endif
#if 0
//////////////////////////////////////////////////////////////////////////////
//
// collapse tree leaves up to parents until we only have N nodes
// useful for cmirror summaries
typedef struct stb_summary_tree
{
struct stb_summary_tree **children;
int num_children;
float weight;
} stb_summary_tree;
STB_EXTERN void *stb_summarize_tree(void *tree, int limit, float reweight);
#ifdef STB_DEFINE
typedef struct stb_summary_tree2
{
STB__ARR(struct stb_summary_tree2 *) children;
int num_children;
float weight;
float weight_with_all_children;
float makes_target_weight;
float weight_at_target;
stb_summary_tree *original;
struct stb_summary_tree2 *target;
STB__ARR(struct stb_summary_tree2 *) targeters;
} stb_summary_tree2;
static stb_summary_tree2 *stb__summarize_clone(stb_summary_tree *t)
{
int i;
stb_summary_tree2 *s;
s = (stb_summary_tree2 *) malloc(sizeof(*s));
s->original = t;
s->weight = t->weight;
s->weight_with_all_children = 0;
s->weight_at_target = 0;
s->target = NULL;
s->targeters = NULL;
s->num_children = t->num_children;
s->children = NULL;
for (i=0; i < s->num_children; ++i)
stb_arr_push(s->children, stb__summarize_clone(t->children[i]));
return s;
}
static float stb__summarize_compute_targets(stb_summary_tree2 *parent, stb_summary_tree2 *node, float reweight, float weight)
{
float total = 0;
if (node->weight == 0 && node->num_children == 1 && parent) {
node->target = parent;
return stb__summarize_compute_targets(parent, node->children[0], reweight, weight*reweight);
} else {
float total=0;
int i;
for (i=0; i < node->num_children; ++i)
total += stb__summarize_compute_targets(node, node->children[i], reweight, reweight);
node->weight_with_all_children = total + node->weight;
if (parent && node->weight_with_all_children) {
node->target = parent;
node->weight_at_target = node->weight_with_all_children * weight;
node->makes_target_weight = node->weight_at_target + parent->weight;
stb_arr_push(parent->targeters, node);
} else {
node->target = NULL;
node->weight_at_target = node->weight;
node->makes_target_weight = 0;
}
return node->weight_with_all_children * weight;
}
}
static stb_summary_tree2 ** stb__summarize_make_array(STB__ARR(stb_summary_tree2 *) all, stb_summary_tree2 *tree)
{
int i;
stb_arr_push(all, tree);
for (i=0; i < tree->num_children; ++i)
all = stb__summarize_make_array(all, tree->children[i]);
return all;
}
typedef stb_summary_tree2 * stb__stree2;
stb_define_sort(stb__summarysort, stb__stree2, (*a)->makes_target_weight < (*b)->makes_target_weight)
void *stb_summarize_tree(void *tree, int limit, float reweight)
{
int i,j,k;
STB__ARR(stb_summary_tree *) ret=NULL;
STB__ARR(stb_summary_tree2 *) all=NULL;
// first clone the tree so we can manipulate it
stb_summary_tree2 *t = stb__summarize_clone((stb_summary_tree *) tree);
if (reweight < 1) reweight = 1;
// now compute how far up the tree each node would get pushed
// there's no value in pushing a node up to an empty node with
// only one child, so we keep pushing it up
stb__summarize_compute_targets(NULL, t, reweight, 1);
all = stb__summarize_make_array(all, t);
// now we want to iteratively find the smallest 'makes_target_weight',
// update that, and then fix all the others (which will be all descendents)
// to do this efficiently, we need a heap or a sorted binary tree
// what we have is an array. maybe we can insertion sort the array?
stb__summarysort(all, stb_arr_len(all));
for (i=0; i < stb_arr_len(all) - limit; ++i) {
stb_summary_tree2 *src, *dest;
src = all[i];
dest = all[i]->target;
if (src->makes_target_weight == 0) continue;
assert(dest != NULL);
for (k=0; k < stb_arr_len(all); ++k)
if (all[k] == dest)
break;
assert(k != stb_arr_len(all));
assert(i < k);
// move weight from all[i] to target
src->weight = dest->makes_target_weight;
src->weight = 0;
src->makes_target_weight = 0;
// recompute effect of other descendents
for (j=0; j < stb_arr_len(dest->targeters); ++j) {
if (dest->targeters[j]->weight) {
dest->targeters[j]->makes_target_weight = dest->weight + dest->targeters[j]->weight_at_target;
assert(dest->targeters[j]->makes_target_weight <= dest->weight_with_all_children);
}
}
STB_(stb__summarysort,_ins_sort)(all+i, stb_arr_len(all)-i);
}
// now the elements in [ i..stb_arr_len(all) ) are the relevant ones
for (; i < stb_arr_len(all); ++i)
stb_arr_push(ret, all[i]->original);
// now free all our temp data
for (i=0; i < stb_arr_len(all); ++i) {
stb_arr_free(all[i]->children);
free(all[i]);
}
stb_arr_free(all);
return ret;
}
#endif
#endif