55 lines
1018 B
C
55 lines
1018 B
C
/* vim: ts=4 sw=4 noexpandtab
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* Really dumb wrapper around gzopen/gzread
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*
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* build with:
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* i686-pc-toaru-gcc -o base/usr/bin/ungz ungz.c -lz
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*/
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#include <stdio.h>
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#include <string.h>
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#include <assert.h>
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#include <zlib.h>
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int main(int argc, char **argv) {
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int ret;
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if (argc < 2) {
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fprintf(stderr, "Usage: %s file.gz\n", argv[0]);
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return 1;
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}
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char * dest_name = NULL;
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if (argc < 3) {
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if (strstr(argv[1],".gz") != (argv[1] + strlen(argv[1]) - 3)) {
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fprintf(stderr, "%s: Not sure if this file is gzipped. Try renaming it to include `.gz' at the end.\n", argv[0]);
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return 1;
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}
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dest_name = strdup(argv[1]);
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char * t = strstr(dest_name,".gz");
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*t = '\0';
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} else {
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dest_name = argv[2];
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}
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gzFile src = gzopen(argv[1], "r");
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if (!src) return 1;
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FILE * dest = fopen(dest_name, "w");
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if (!dest) return 1;
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while (!gzeof(src)) {
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char buf[1024];
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int r = gzread(src, buf, 1024);
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if (r < 0) return 1;
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fwrite(buf, r, 1, dest);
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}
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fclose(dest);
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unlink(argv[1]);
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return 0;
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}
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