tools: Check the return value of write().

This fixes several warnings of the type:
warning: ignoring return value of ‘write’, declared with attribute warn_unused_result
This commit is contained in:
Diego Biurrun 2011-05-15 18:34:11 +02:00
parent bdefbf3e88
commit d39facc783
2 changed files with 17 additions and 4 deletions

View File

@ -69,7 +69,10 @@ int main(int argc, char *argv[])
// write out modified header
buf_in[0] = 'F';
write(fd_out, &buf_in, 8);
if (write(fd_out, &buf_in, 8) < 8) {
perror("Error writing output file");
exit(1);
}
zstream.zalloc = NULL;
zstream.zfree = NULL;
@ -101,7 +104,10 @@ int main(int argc, char *argv[])
zstream.avail_in, zstream.total_in, zstream.avail_out, zstream.total_out,
zstream.total_out-last_out);
write(fd_out, &buf_out, zstream.total_out-last_out);
if (write(fd_out, &buf_out, zstream.total_out - last_out) < zstream.total_out - last_out) {
perror("Error writing output file");
exit(1);
}
i += len;
@ -120,7 +126,10 @@ int main(int argc, char *argv[])
buf_in[3] = ((zstream.total_out+8) >> 24) & 0xff;
lseek(fd_out, 4, SEEK_SET);
write(fd_out, &buf_in, 4);
if (write(fd_out, &buf_in, 4) < 4) {
perror("Error writing output file");
exit(1);
}
}
inflateEnd(&zstream);

View File

@ -104,7 +104,11 @@ int main(int argc, char **argv)
//printf("open(\"%s\")\n", pktfilename);
if (!nowrite) {
fd = open(pktfilename, O_WRONLY|O_CREAT, 0644);
write(fd, pkt.data, pkt.size);
err = write(fd, pkt.data, pkt.size);
if (err < 0) {
fprintf(stderr, "write: error %d\n", err);
return 1;
}
close(fd);
}
av_free_packet(&pkt);