From d39facc783c270227e5b7c75db3dec406ed19018 Mon Sep 17 00:00:00 2001 From: Diego Biurrun Date: Sun, 15 May 2011 18:34:11 +0200 Subject: tools: Check the return value of write(). MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This fixes several warnings of the type: warning: ignoring return value of ‘write’, declared with attribute warn_unused_result --- tools/cws2fws.c | 15 ++++++++++++--- tools/pktdumper.c | 6 +++++- 2 files changed, 17 insertions(+), 4 deletions(-) (limited to 'tools') diff --git a/tools/cws2fws.c b/tools/cws2fws.c index aa7d690be3..5fa51470df 100644 --- a/tools/cws2fws.c +++ b/tools/cws2fws.c @@ -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); diff --git a/tools/pktdumper.c b/tools/pktdumper.c index 3ab39ee675..80816d24b9 100644 --- a/tools/pktdumper.c +++ b/tools/pktdumper.c @@ -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); -- cgit v1.2.3