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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
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parent
bdefbf3e88
commit
d39facc783
@ -69,7 +69,10 @@ int main(int argc, char *argv[])
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// write out modified header
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buf_in[0] = 'F';
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write(fd_out, &buf_in, 8);
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if (write(fd_out, &buf_in, 8) < 8) {
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perror("Error writing output file");
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exit(1);
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}
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zstream.zalloc = NULL;
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zstream.zfree = NULL;
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@ -101,7 +104,10 @@ int main(int argc, char *argv[])
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zstream.avail_in, zstream.total_in, zstream.avail_out, zstream.total_out,
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zstream.total_out-last_out);
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write(fd_out, &buf_out, zstream.total_out-last_out);
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if (write(fd_out, &buf_out, zstream.total_out - last_out) < zstream.total_out - last_out) {
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perror("Error writing output file");
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exit(1);
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}
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i += len;
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@ -120,7 +126,10 @@ int main(int argc, char *argv[])
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buf_in[3] = ((zstream.total_out+8) >> 24) & 0xff;
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lseek(fd_out, 4, SEEK_SET);
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write(fd_out, &buf_in, 4);
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if (write(fd_out, &buf_in, 4) < 4) {
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perror("Error writing output file");
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exit(1);
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}
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}
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inflateEnd(&zstream);
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@ -104,7 +104,11 @@ int main(int argc, char **argv)
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//printf("open(\"%s\")\n", pktfilename);
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if (!nowrite) {
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fd = open(pktfilename, O_WRONLY|O_CREAT, 0644);
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write(fd, pkt.data, pkt.size);
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err = write(fd, pkt.data, pkt.size);
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if (err < 0) {
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fprintf(stderr, "write: error %d\n", err);
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return 1;
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}
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close(fd);
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}
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av_free_packet(&pkt);
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