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-rw-r--r--gzip2deflate.c78
1 files changed, 0 insertions, 78 deletions
diff --git a/gzip2deflate.c b/gzip2deflate.c
deleted file mode 100644
index 7edf6ac..0000000
--- a/gzip2deflate.c
+++ /dev/null
@@ -1,78 +0,0 @@
-// gzip2deflate by Piotr Fusik <fox@scene.pl>
-// http://xasm.atari.org
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#ifdef __WIN32
-#include <fcntl.h>
-#endif
-
-static int get_byte(void)
-{
- int b = getchar();
- if (b == EOF) {
- fputs("gzip2deflate: unexpected end of stream\n", stderr);
- exit(1);
- }
- return b;
-}
-
-static void skip_bytes(int n)
-{
- while (--n >= 0)
- get_byte();
-}
-
-static void skip_string(void)
-{
- while (get_byte() != 0);
-}
-
-int main (int argc, char *argv[])
-{
- int flg;
- char buf[8 + 4096];
- size_t len;
-#ifdef __WIN32
- _setmode(_fileno(stdin), _O_BINARY);
- _setmode(_fileno(stdout), _O_BINARY);
-#endif
- if (get_byte() != 0x1f || get_byte() != 0x8b || get_byte() != 8) {
- fputs("gzip2deflate: not a gzip file on stdin\n", stderr);
- return 1;
- }
- flg = get_byte();
- skip_bytes(6);
- if ((flg & 4) != 0) {
- int xlen = get_byte();
- xlen += get_byte() << 8;
- skip_bytes(xlen);
- }
- if ((flg & 8) != 0)
- skip_string();
- if ((flg & 16) != 0)
- skip_string();
- if ((flg & 2) != 0)
- skip_bytes(2);
- /* copy everything except the last 8 bytes */
- len = 0;
- for (;;) {
- len += fread(buf + len, 1, sizeof(buf) - len, stdin);
- if (len != sizeof(buf))
- break;
- fwrite(buf, 1, sizeof(buf) - 8, stdout);
- memcpy(buf, buf + sizeof(buf) - 8, 8);
- len = 8;
- }
- if (ferror(stdin)) {
- fputs("gzip2deflate: read error\n", stderr);
- return 1;
- }
- if (len < 8) {
- fputs("gzip2deflate: unexpected end of stream\n", stderr);
- return 1;
- }
- fwrite(buf, 1, len - 8, stdout);
- return 0;
-}