From: Jaakko Heinonen <jheinonen@users.sourceforge.net>
Date: Thu, 25 Mar 2004 18:19:38 +0000 (+0000)
Subject: fixed string truncation in mutt inport filter
X-Git-Tag: upstream/0.6.1~2^2~214
X-Git-Url: https://git.deb.at/w?a=commitdiff_plain;h=de8a5dd0af5a5834843ede7be64b55446afde572;p=pkg%2Fabook.git

fixed string truncation in mutt inport filter
---

diff --git a/filter.c b/filter.c
index 9f57ee9..a12ddc7 100644
--- a/filter.c
+++ b/filter.c
@@ -618,6 +618,7 @@ static int
 mutt_read_line(FILE *in, char **alias, char **rest)
 {
 	char *line, *ptr, *tmp;
+	size_t alias_len;
 
 	if( !(line = ptr = getaline(in)) )
 		return 1; /* error / EOF */
@@ -640,13 +641,16 @@ mutt_read_line(FILE *in, char **alias, char **rest)
 	while( ! ISSPACE(*ptr) )
 		ptr++;
 
-	if( (*alias = (char *)malloc(ptr - tmp)) == NULL) {
+	/* includes also the trailing zero */
+	alias_len = (size_t)(ptr - tmp + 1);
+
+	if( (*alias = (char *)malloc(alias_len)) == NULL) {
 		free(line);
 		return 1;
 	}
 
-	strncpy(*alias, tmp, ptr - tmp - 1);
-	*(*alias + (ptr - tmp - 1)) = 0;
+	strncpy(*alias, tmp, alias_len - 1);
+	*(*alias + alias_len - 1) = 0;
 
 	while(ISSPACE(*ptr))
 		ptr++;