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catch read/write errors and exit if they occur (issue #6721)

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@12893 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Russell Bryant
2006-03-14 16:10:44 +00:00
parent 48c85e83bd
commit 688e355873
1 changed files with 12 additions and 4 deletions
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16
contrib/utils/rawplayer.c
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@@ -1,6 +1,10 @@
/* /*
Rawplayer.c simple raw file stdout player Rawplayer.c simple raw file stdout player
(c) Anthony C Minessale II <anthmct@yahoo.com> (c) Anthony C Minessale II <anthmct@yahoo.com>
2006-03-10: Bruno Rocha <bruno@3gnt.net>
- include <stdlib.h> to remove compiler warning on some platforms
- check for read/write errors (avoid 100% CPU usage in some asterisk failures)
*/ */
#define BUFLEN 320 #define BUFLEN 320
@@ -8,21 +12,25 @@
#include <sys/types.h> #include <sys/types.h>
#include <sys/stat.h> #include <sys/stat.h>
#include <fcntl.h> #include <fcntl.h>
#include <stdlib.h>
static int deliver_file(char *path, int fdout) { static int deliver_file(char *path, int fdout) {
int fd = 0, bytes = 0; int fd = 0, bytes = 0, error = 0;
short buf[BUFLEN]; short buf[BUFLEN];
if ((fd = open(path,O_RDONLY))) { if ((fd = open(path,O_RDONLY))) {
while ((bytes=read(fd, buf, BUFLEN))) { while ((bytes=read(fd, buf, BUFLEN)) > 0) {
write(fdout, buf, bytes); if(write(fdout, buf, bytes) < 0){
error = -2;
break;
}
} }
if(fd) if(fd)
close(fd); close(fd);
} else } else
return -1; return -1;
return 0; return error;
} }