check for MAX_LINE_LEN in main.c:chomp to not overflow the buffer

git-svn-id: http://dzen.googlecode.com/svn/trunk@90 f2baff5b-bf2c-0410-a398-912abdc3d8b2

2 files changed, 5 insertions, 2 deletions

diff --git a/dzen.h b/dzen.h
index ad98e70..be82e44 100644
--- a/dzen.h
+++ b/dzen.h
@@ -96,7 +96,7 @@ struct DZEN {
 	Bool ispersistent;
 	Bool tsupdate;
 	unsigned long timeout;
-	int cur_line;
+	long cur_line;
 	int ret_val;
 
 	/* should always be 0 if DZEN_XINERAMA not defined */
diff --git a/main.c b/main.c
index ae1782a..5986a3c 100644
--- a/main.c
+++ b/main.c
@@ -98,7 +98,7 @@ chomp(char *inbuf, char *outbuf, int start, int len) {
 		free(rem);
 		rem = NULL;
 	}
-	while(off < len) {
+	while((off < len) && (off < MAX_LINE_LEN)) {
 		if(inbuf[off] != '\n') {
 			 outbuf[i++] = inbuf[off++];
 		} else if(inbuf[off] == '\n') {
@@ -107,6 +107,9 @@ chomp(char *inbuf, char *outbuf, int start, int len) {
 		}
 	}
 
+	if(off >= MAX_LINE_LEN)
+		return 0;
+
 	outbuf[i] = '\0';
 	rem = estrdup(outbuf);
 	return 0;