Check return value on fwrite

........

Merged revisions 398000 from http://svn.asterisk.org/svn/asterisk/branches/11

git-svn-id: https://origsvn.digium.com/svn/asterisk/certified/branches/11.2@398001 65c4cc65-6c06-0410-ace0-fbb531ad65f3

diff --git a/main/asterisk.c b/main/asterisk.c
index e358ce6592a8ac2df47f4b7f045a6a658917b449..5e11b7131164009838313a16272538b7ccbe6ecd 100644 (file)
--- a/main/asterisk.c
+++ b/main/asterisk.c
@@ -1950,7 +1950,7 @@ static int console_log_verbose(const char *s)
 
        char prefix[80];
        const char *c = s;
-       int res = 0;
+       int num, res = 0;
 
        do {
                if (VERBOSE_HASMAGIC(s)) {
@@ -1988,7 +1988,10 @@ static int console_log_verbose(const char *s)
                        fputs(prefix, stdout);
                }
 
-               fwrite(c, sizeof(char), s - c, stdout);
+               num = s - c;
+               if (fwrite(c, sizeof(char), num, stdout) < num) {
+                       break;
+               }
 
                if (!res) {
                        /* if at least some info has been written