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tools/cws2fws: Check read() for failure 

Fixes: CID1452579 Argument cannot be negative

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 0b3cdd7cc2)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2021-05-16 20:36:46 +02:00
parent 81bddb1859
commit 5baa775675
1 changed files with 6 additions and 0 deletions
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6
tools/cws2fws.c
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@ -89,6 +89,12 @@ int main(int argc, char *argv[])
for (i = 0; i < comp_len - 8;) {
int ret, len = read(fd_in, &buf_in, 1024);
if (len == -1) {
printf("read failure\n");
inflateEnd(&zstream);
goto out;
}
dbgprintf("read %d bytes\n", len);
last_out = zstream.total_out;