54 lines
995 B
C
54 lines
995 B
C
/* vim: ts=4 sw=4 noexpandtab
|
|
* Really dumb wrapper around gzopen/gzread
|
|
*
|
|
* build with:
|
|
* i686-pc-toaru-gcc -o base/usr/bin/ungz ungz.c -lz
|
|
*/
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <assert.h>
|
|
#include <zlib.h>
|
|
|
|
int main(int argc, char **argv) {
|
|
int ret;
|
|
|
|
if (argc < 2) {
|
|
fprintf(stderr, "Usage: %s file.gz\n", argv[0]);
|
|
return 1;
|
|
}
|
|
|
|
char * dest_name = NULL;
|
|
|
|
if (argc < 3) {
|
|
if (strstr(argv[1],".gz") != (argv[1] + strlen(argv[1]) - 3)) {
|
|
fprintf(stderr, "%s: Not sure if this file is gzipped. Try renaming it to include `.gz' at the end.\n", argv[0]);
|
|
return 1;
|
|
}
|
|
dest_name = strdup(argv[1]);
|
|
char * t = strstr(dest_name,".gz");
|
|
*t = '\0';
|
|
} else {
|
|
dest_name = argv[2];
|
|
}
|
|
|
|
gzFile src = gzopen(argv[1], "r");
|
|
|
|
if (!src) return 1;
|
|
|
|
FILE * dest = fopen(dest_name, "w");
|
|
|
|
if (!dest) return 1;
|
|
|
|
while (!gzeof(src)) {
|
|
char buf[1024];
|
|
int r = gzread(src, buf, 1024);
|
|
fwrite(buf, r, 1, dest);
|
|
}
|
|
|
|
fclose(dest);
|
|
|
|
unlink(argv[1]);
|
|
|
|
return 0;
|
|
}
|