From d574ec421c236ce95b41de70daa2b1eddcb53033 Mon Sep 17 00:00:00 2001
From: oetiker <oetiker@a5681a0c-68f1-0310-ab6d-d61299d08faa>
Date: Sat, 16 Dec 2006 16:14:43 +0000
Subject: [PATCH] add missing \0 to the end of several strncpy strings

git-svn-id: svn://svn.oetiker.ch/rrdtool/branches/1.2@938 a5681a0c-68f1-0310-ab6d-d61299d08faa
---
 program/src/rrd_error.c          | 2 +-
 program/src/rrd_thread_safe.c    | 1 +
 program/src/rrd_thread_safe_nt.c | 3 ++-
 3 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/program/src/rrd_error.c b/program/src/rrd_error.c
index a102b1fe..68fcc8e6 100644
--- a/program/src/rrd_error.c
+++ b/program/src/rrd_error.c
@@ -80,6 +80,7 @@ rrd_set_error_r(struct rrd_context *rrd_ctx, char *fmt, ...)
     va_start(argp, fmt);
 #ifdef HAVE_VSNPRINTF
     vsnprintf((char *)rrd_ctx->rrd_error, rrd_ctx->len, fmt, argp);
+    rrd_ctx->rrd_error[rrd_ctx->len]='\0';
 #else
     vsprintf((char *)rrd_ctx->rrd_error, fmt, argp);
 #endif
@@ -110,7 +111,6 @@ rrd_new_context(void) {
 	(struct rrd_context *) malloc(sizeof(struct rrd_context));
 
     if (rrd_ctx) {
-	rrd_ctx->len = 0;
 	rrd_ctx->rrd_error = malloc(MAXLEN+10);
 	rrd_ctx->lib_errstr = malloc(ERRBUFLEN+10);
 	if (rrd_ctx->rrd_error && rrd_ctx->lib_errstr) {
diff --git a/program/src/rrd_thread_safe.c b/program/src/rrd_thread_safe.c
index c06da050..bccea99f 100644
--- a/program/src/rrd_thread_safe.c
+++ b/program/src/rrd_thread_safe.c
@@ -61,6 +61,7 @@ const char *rrd_strerror(int err) {
     ctx = rrd_get_context();
     pthread_mutex_lock(&mtx);
     strncpy(ctx->lib_errstr, strerror(err), ctx->errlen);
+    ctx->lib_errstr[ctx->errlen]='\0';
     pthread_mutex_unlock(&mtx);
     return ctx->lib_errstr;
 }
diff --git a/program/src/rrd_thread_safe_nt.c b/program/src/rrd_thread_safe_nt.c
index 8f68ea39..105507f2 100644
--- a/program/src/rrd_thread_safe_nt.c
+++ b/program/src/rrd_thread_safe_nt.c
@@ -63,7 +63,8 @@ const char *rrd_strerror(int err) {
 
     EnterCriticalSection(&CriticalSection); 
     strncpy(ctx->lib_errstr, strerror(err), ctx->errlen);
-	LeaveCriticalSection(&CriticalSection); 
+    ctx->lib_errstr[ctx->errlen] = '\0';
+    LeaveCriticalSection(&CriticalSection); 
 
     return ctx->lib_errstr;
 }
-- 
2.30.2