snprintf doesn't write the trailing null to the buffer in the case of
truncation. The following patch fixes logger.c the rest of the way.
lamont
diff --git a/misc-utils/logger.c b/misc-utils/logger.c
index 9a7cb05..40db42b 100644
--- a/misc-utils/logger.c
+++ b/misc-utils/logger.c
@@ -90,7 +90,8 @@ mysyslog(int fd, int logflags, int pri, char *tag, char *msg)
{
if (fd > -1) {
if (logflags & LOG_PID)
- snprintf (pid, sizeof(pid), "[%d]", getpid());
+ snprintf (pid, sizeof(pid)-1, "[%d]", getpid());
+ pid[sizeof(pid)-1]=0;
else
pid[0] = 0;
if (tag)
@@ -103,8 +104,9 @@ mysyslog(int fd, int logflags, int pri, char *tag, char
*msg) {
(void)time(&now);
tp = ctime(&now)+4;
- snprintf(buf, sizeof(buf), "<%d>%.15s %.200s%s: %.400s",
+ snprintf(buf, sizeof(buf)-1, "<%d>%.15s %.200s%s: %.400s",
pri, tp, cp, pid, msg);
+ buf[sizeof(buf)-1]=0;
if (write(fd, buf, strlen(buf)+1) < 0)
return; /* error */
-
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