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Add config system and start on sending server state

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ferrybig committed Jan 9, 2019
1 parent 9d93c8b commit ae0cfa8467d8084fc80287be66cb7558f6009d26
Showing with 653 additions and 148 deletions.
  1. +269 −0 ini.c
  2. +130 −0 ini.h
  3. +220 −147 main.c
  4. +6 −0 nbproject/Makefile-Debug.mk
  5. +6 −0 nbproject/Makefile-Release.mk
  6. +15 −0 nbproject/configurations.xml
  7. +1 −1 nbproject/project.xml
  8. +6 −0 server.ini
269 ini.c
@@ -0,0 +1,269 @@
/* inih -- simple .INI file parser
inih is released under the New BSD license (see LICENSE.txt). Go to the project
home page for more info:
https://github.com/benhoyt/inih
*/

#if defined(_MSC_VER) && !defined(_CRT_SECURE_NO_WARNINGS)
#define _CRT_SECURE_NO_WARNINGS
#endif

#include <stdio.h>
#include <ctype.h>
#include <string.h>

#include "ini.h"

#if !INI_USE_STACK
#include <stdlib.h>
#endif

#define MAX_SECTION 50
#define MAX_NAME 50

/* Used by ini_parse_string() to keep track of string parsing state. */
typedef struct {
const char* ptr;
size_t num_left;
} ini_parse_string_ctx;

/* Strip whitespace chars off end of given string, in place. Return s. */
static char* rstrip(char* s)
{
char* p = s + strlen(s);
while (p > s && isspace((unsigned char)(*--p)))
*p = '\0';
return s;
}

/* Return pointer to first non-whitespace char in given string. */
static char* lskip(const char* s)
{
while (*s && isspace((unsigned char)(*s)))
s++;
return (char*)s;
}

/* Return pointer to first char (of chars) or inline comment in given string,
or pointer to null at end of string if neither found. Inline comment must
be prefixed by a whitespace character to register as a comment. */
static char* find_chars_or_comment(const char* s, const char* chars)
{
#if INI_ALLOW_INLINE_COMMENTS
int was_space = 0;
while (*s && (!chars || !strchr(chars, *s)) &&
!(was_space && strchr(INI_INLINE_COMMENT_PREFIXES, *s))) {
was_space = isspace((unsigned char)(*s));
s++;
}
#else
while (*s && (!chars || !strchr(chars, *s))) {
s++;
}
#endif
return (char*)s;
}

/* Version of strncpy that ensures dest (size bytes) is null-terminated. */
static char* strncpy0(char* dest, const char* src, size_t size)
{
strncpy(dest, src, size - 1);
dest[size - 1] = '\0';
return dest;
}

/* See documentation in header file. */
int ini_parse_stream(ini_reader reader, void* stream, ini_handler handler,
void* user)
{
/* Uses a fair bit of stack (use heap instead if you need to) */
#if INI_USE_STACK
char line[INI_MAX_LINE];
int max_line = INI_MAX_LINE;
#else
char* line;
int max_line = INI_INITIAL_ALLOC;
#endif
#if INI_ALLOW_REALLOC && !INI_USE_STACK
char* new_line;
int offset;
#endif
char section[MAX_SECTION] = "";
char prev_name[MAX_NAME] = "";

char* start;
char* end;
char* name;
char* value;
int lineno = 0;
int error = 0;

#if !INI_USE_STACK
line = (char*)malloc(INI_INITIAL_ALLOC);
if (!line) {
return -2;
}
#endif

#if INI_HANDLER_LINENO
#define HANDLER(u, s, n, v) handler(u, s, n, v, lineno)
#else
#define HANDLER(u, s, n, v) handler(u, s, n, v)
#endif

/* Scan through stream line by line */
while (reader(line, max_line, stream) != NULL) {
#if INI_ALLOW_REALLOC && !INI_USE_STACK
offset = strlen(line);
while (offset == max_line - 1 && line[offset - 1] != '\n') {
max_line *= 2;
if (max_line > INI_MAX_LINE)
max_line = INI_MAX_LINE;
new_line = realloc(line, max_line);
if (!new_line) {
free(line);
return -2;
}
line = new_line;
if (reader(line + offset, max_line - offset, stream) == NULL)
break;
if (max_line >= INI_MAX_LINE)
break;
offset += strlen(line + offset);
}
#endif

lineno++;

start = line;
#if INI_ALLOW_BOM
if (lineno == 1 && (unsigned char)start[0] == 0xEF &&
(unsigned char)start[1] == 0xBB &&
(unsigned char)start[2] == 0xBF) {
start += 3;
}
#endif
start = lskip(rstrip(start));

if (strchr(INI_START_COMMENT_PREFIXES, *start)) {
/* Start-of-line comment */
}
#if INI_ALLOW_MULTILINE
else if (*prev_name && *start && start > line) {
/* Non-blank line with leading whitespace, treat as continuation
of previous name's value (as per Python configparser). */
if (!HANDLER(user, section, prev_name, start) && !error)
error = lineno;
}
#endif
else if (*start == '[') {
/* A "[section]" line */
end = find_chars_or_comment(start + 1, "]");
if (*end == ']') {
*end = '\0';
strncpy0(section, start + 1, sizeof(section));
*prev_name = '\0';
}
else if (!error) {
/* No ']' found on section line */
error = lineno;
}
}
else if (*start) {
/* Not a comment, must be a name[=:]value pair */
end = find_chars_or_comment(start, "=:");
if (*end == '=' || *end == ':') {
*end = '\0';
name = rstrip(start);
value = end + 1;
#if INI_ALLOW_INLINE_COMMENTS
end = find_chars_or_comment(value, NULL);
if (*end)
*end = '\0';
#endif
value = lskip(value);
rstrip(value);

/* Valid name[=:]value pair found, call handler */
strncpy0(prev_name, name, sizeof(prev_name));
if (!HANDLER(user, section, name, value) && !error)
error = lineno;
}
else if (!error) {
/* No '=' or ':' found on name[=:]value line */
error = lineno;
}
}

#if INI_STOP_ON_FIRST_ERROR
if (error)
break;
#endif
}

#if !INI_USE_STACK
free(line);
#endif

return error;
}

/* See documentation in header file. */
int ini_parse_file(FILE* file, ini_handler handler, void* user)
{
return ini_parse_stream((ini_reader)fgets, file, handler, user);
}

/* See documentation in header file. */
int ini_parse(const char* filename, ini_handler handler, void* user)
{
FILE* file;
int error;

file = fopen(filename, "r");
if (!file)
return -1;
error = ini_parse_file(file, handler, user);
fclose(file);
return error;
}

/* An ini_reader function to read the next line from a string buffer. This
is the fgets() equivalent used by ini_parse_string(). */
static char* ini_reader_string(char* str, int num, void* stream) {
ini_parse_string_ctx* ctx = (ini_parse_string_ctx*)stream;
const char* ctx_ptr = ctx->ptr;
size_t ctx_num_left = ctx->num_left;
char* strp = str;
char c;

if (ctx_num_left == 0 || num < 2)
return NULL;

while (num > 1 && ctx_num_left != 0) {
c = *ctx_ptr++;
ctx_num_left--;
*strp++ = c;
if (c == '\n')
break;
num--;
}

*strp = '\0';
ctx->ptr = ctx_ptr;
ctx->num_left = ctx_num_left;
return str;
}

/* See documentation in header file. */
int ini_parse_string(const char* string, ini_handler handler, void* user) {
ini_parse_string_ctx ctx;

ctx.ptr = string;
ctx.num_left = strlen(string);
return ini_parse_stream((ini_reader)ini_reader_string, &ctx, handler,
user);
}
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