From: Todd C. Miller <Todd.Miller@courtesan.com>
Date: Wed, 16 Jun 2010 19:28:45 +0000 (-0400)
Subject: Cast isalnum() arg to unsigned char.
X-Git-Tag: SUDO_1_7_3~49
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=da8ac8206a4a6d70c1cd6ac1e95ec407fb370a77;p=sudo

Cast isalnum() arg to unsigned char.

--HG--
branch : 1.7
---

diff --git a/sudo.c b/sudo.c
index bf44a3e52..b384d567c 100644
--- a/sudo.c
+++ b/sudo.c
@@ -708,10 +708,9 @@ init_vars(sudo_mode, envp)
 
 	av[0] = user_shell;	/* may be updated later */
 	if (NewArgc > 0) {
-	    size_t cmnd_size;
+	    size_t cmnd_size = 1024;
 	    char *cmnd, *src, *dst, **ap;
 
-	    cmnd_size = 1024;
 	    cmnd = dst = emalloc(cmnd_size);
 	    for (ap = NewArgv; *ap != NULL; ap++) {
 		for (src = *ap; *src != '\0'; src++) {
@@ -723,7 +722,7 @@ init_vars(sudo_mode, envp)
 			dst = new_cmnd + (dst - cmnd);
 			cmnd = new_cmnd;
 		    }
-		    if (isalnum(*src) || *src == '_' || *src == '-') {
+		    if (isalnum((unsigned char)*src) || *src == '_' || *src == '-') {
 			*dst++ = *src;
 		    } else {
 			/* quote potential meta character */