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Add missing error check to coder.c. 

With bad luck this could cause a segfault due to
reading (but not writing) past the end of the buffer.
This commit is contained in:
Lasse Collin 2009-11-25 14:22:19 +02:00
parent bd13b04e20
commit 919fbaff86
1 changed files with 11 additions and 9 deletions
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20
src/xz/coder.c
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@ -617,17 +617,19 @@ coder_run(const char *filename)
strm.next_in = in_buf.u8; strm.next_in = in_buf.u8;
strm.avail_in = io_read(pair, &in_buf, IO_BUFFER_SIZE); strm.avail_in = io_read(pair, &in_buf, IO_BUFFER_SIZE);
switch (coder_init(pair)) { if (strm.avail_in != SIZE_MAX) {
case CODER_INIT_NORMAL: switch (coder_init(pair)) {
success = coder_normal(pair); case CODER_INIT_NORMAL:
break; success = coder_normal(pair);
break;
case CODER_INIT_PASSTHRU: case CODER_INIT_PASSTHRU:
success = coder_passthru(pair); success = coder_passthru(pair);
break; break;
case CODER_INIT_ERROR: case CODER_INIT_ERROR:
break; break;
}
} }
message_progress_end(success); message_progress_end(success);