X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=scripts%2Fkconfig%2Fzconf.l;h=6a58b80d360dfe829e29b84c298ddc7dbf0b232f;hb=8de2e42201bb1b9054861d2f7645885a3b69642a;hp=d839577ca8e5192acd7643d27ce33fd447d7b825;hpb=627052e75d6657a029a328cffd0832cb581b82fd;p=oweals%2Fbusybox.git

diff --git a/scripts/kconfig/zconf.l b/scripts/kconfig/zconf.l
index d839577ca..6a58b80d3 100644
--- a/scripts/kconfig/zconf.l
+++ b/scripts/kconfig/zconf.l
@@ -265,13 +265,14 @@ static void zconf_endhelp(void)
  */
 FILE *zconf_fopen(const char *name)
 {
-	char *env, fullname[PATH_MAX+1];
+	char *env;
 	FILE *f;
 
 	f = fopen(name, "r");
 	if (!f && name[0] != '/') {
 		env = getenv(SRCTREE);
 		if (env) {
+			char *fullname = alloca(strlen(env) + strlen(name) + 2);
 			sprintf(fullname, "%s/%s", env, name);
 			f = fopen(fullname, "r");
 		}