1 files changed, 8 insertions, 7 deletions
diff --git a/src/env/getenv.c b/src/env/getenv.c
index 00c1bce0..cf34672c 100644
--- a/src/env/getenv.c
+++ b/src/env/getenv.c
@@ -2,13 +2,14 @@
 #include <string.h>
 #include "libc.h"
 
+char *__strchrnul(const char *, int);
+
 char *getenv(const char *name)
 {
-	int i;
-	size_t l = strlen(name);
-	if (!__environ || !*name || strchr(name, '=')) return NULL;
-	for (i=0; __environ[i] && (strncmp(name, __environ[i], l)
-		|| __environ[i][l] != '='); i++);
-	if (__environ[i]) return __environ[i] + l+1;
-	return NULL;
+	size_t l = __strchrnul(name, '=') - name;
+	if (l && !name[l] && __environ)
+		for (char **e = __environ; *e; e++)
+			if (!strncmp(name, *e, l) && l[*e] == '=')
+				return *e + l+1;
+	return 0;
 }