Download-Tools/FFmpeg
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10l: now it works really, with 1k outbut buffers it failed more times, with 65k it looks safe with all samples i had

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Originally committed as revision 4861 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Alex Beregszaszi 2006-01-15 01:19:02 +00:00
parent 29a10be0d4
commit 0c2ed2df5a
1 changed files with 7 additions and 6 deletions
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13
cws2fws.c
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@ -19,7 +19,7 @@
main(int argc, char *argv[]) main(int argc, char *argv[])
{ {
int fd_in, fd_out, comp_len, uncomp_len, tag, i, last_out; int fd_in, fd_out, comp_len, uncomp_len, tag, i, last_out;
char buf_in[1024], buf_out[1024]; char buf_in[1024], buf_out[65536];
z_stream zstream; z_stream zstream;
struct stat statbuf; struct stat statbuf;
@ -73,7 +73,7 @@ main(int argc, char *argv[])
zstream.opaque = NULL; zstream.opaque = NULL;
inflateInit(&zstream); inflateInit(&zstream);
for (i = 0; i < comp_len-4;) for (i = 0; i < comp_len-8;)
{ {
int ret, len = read(fd_in, &buf_in, 1024); int ret, len = read(fd_in, &buf_in, 1024);
@ -84,12 +84,10 @@ main(int argc, char *argv[])
zstream.next_in = &buf_in[0]; zstream.next_in = &buf_in[0];
zstream.avail_in = len; zstream.avail_in = len;
zstream.next_out = &buf_out[0]; zstream.next_out = &buf_out[0];
zstream.avail_out = 1024; zstream.avail_out = 65536;
ret = inflate(&zstream, Z_SYNC_FLUSH); ret = inflate(&zstream, Z_SYNC_FLUSH);
if (ret == Z_STREAM_END || ret == Z_BUF_ERROR) if (ret != Z_STREAM_END && ret != Z_OK)
break;
if (ret != Z_OK)
{ {
printf("Error while decompressing: %d\n", ret); printf("Error while decompressing: %d\n", ret);
inflateEnd(&zstream); inflateEnd(&zstream);
@ -103,6 +101,9 @@ main(int argc, char *argv[])
write(fd_out, &buf_out, zstream.total_out-last_out); write(fd_out, &buf_out, zstream.total_out-last_out);
i += len; i += len;
if (ret == Z_STREAM_END || ret == Z_BUF_ERROR)
break;
} }
if (zstream.total_out != uncomp_len-8) if (zstream.total_out != uncomp_len-8)