Skip to content

HTTPS clone URL

Subversion checkout URL

You can clone with
or
.
Download ZIP
tree: c5f99bf4b4
Fetching contributors…

Cannot retrieve contributors at this time

114 lines (97 sloc) 2.979 kB
#include "pixz.h"
#include <unistd.h>
#include <getopt.h>
typedef enum {
OP_WRITE,
OP_READ,
OP_EXTRACT,
OP_LIST
} pixz_op_t;
static bool strsuf(char *big, char *small);
static char *subsuf(char *in, char *suf1, char *suf2);
static char *auto_output(pixz_op_t op, char *in);
int main(int argc, char **argv) {
uint32_t level = LZMA_PRESET_DEFAULT;
bool tar = true;
pixz_op_t op = OP_WRITE;
char *ipath = NULL, *opath = NULL;
int ch;
while ((ch = getopt(argc, argv, "dxli:o:tv0123456789")) != -1) {
switch (ch) {
case 'd': op = OP_READ; break;
case 'x': op = OP_EXTRACT; break;
case 'l': op = OP_LIST; break;
case 'i': ipath = optarg; break;
case 'o': opath = optarg; break;
case 't': tar = false; break;
default:
if (ch >= '0' && ch <= '9') {
level = ch - '0';
} else {
die("Unknown option");
}
}
}
argc -= optind;
argv += optind;
gInFile = stdin;
gOutFile = stdout;
bool iremove = false;
if (op != OP_EXTRACT && argc >= 1) {
if (argc > 2 || (op == OP_LIST && argc == 2))
die("Too many arguments");
if (ipath)
die("Multiple input files specified");
ipath = argv[0];
if (argc == 2) {
if (opath)
die("Multiple output files specified");
opath = argv[1];
} else if (op != OP_LIST) {
iremove = true;
opath = auto_output(op, argv[0]);
}
}
if (ipath && !(gInFile = fopen(ipath, "r")))
die("Can't open input file");
if (opath && !(gOutFile = fopen(opath, "w")))
die("Can't open output file");
switch (op) {
case OP_WRITE: pixz_write(tar, level); break;
case OP_READ: pixz_read(tar, 0, NULL); break;
case OP_EXTRACT: pixz_read(tar, argc, argv); break;
case OP_LIST: pixz_list(tar);
}
if (iremove)
unlink(ipath);
return 0;
}
#define SUF(_op, _s1, _s2) ({ \
if (op == OP_##_op) { \
char *r = subsuf(in, _s1, _s2); \
if (r) \
return r; \
} \
})
static char *auto_output(pixz_op_t op, char *in) {
SUF(READ, ".tar.xz", ".tar");
SUF(READ, ".tpxz", ".tar");
SUF(READ, ".xz", "");
SUF(WRITE, ".tar", ".tpxz");
SUF(WRITE, "", ".xz");
die("Unknown suffix");
return NULL;
}
static bool strsuf(char *big, char *small) {
size_t bl = strlen(big), sl = strlen(small);
return strcmp(big + bl - sl, small) == 0;
}
static char *subsuf(char *in, char *suf1, char *suf2) {
if (!strsuf(in, suf1))
return NULL;
size_t li = strlen(in), l1 = strlen(suf1), l2 = strlen(suf2);
char *r = malloc(li + l2 - l1 + 1);
memcpy(r, in, li - l1);
strcpy(r + li - l1, suf2);
return r;
}
Jump to Line
Something went wrong with that request. Please try again.