1 files changed, 54 insertions, 49 deletions
diff --git a/libc/stdlib/putenv.c b/libc/stdlib/putenv.c
index 692aefb5e..5b2ebcb3c 100644
--- a/libc/stdlib/putenv.c
+++ b/libc/stdlib/putenv.c
@@ -6,57 +6,62 @@
 #include <stdlib.h>
 #include <malloc.h>
 
-extern char ** environ;
+extern char **environ;
+
 #define ADD_NUM 4
 
-int
-putenv(var)
-const char * var;
+int putenv(var)
+const char *var;
 {
-static char ** mall_env = 0;
-static int extras = 0;
-   char **p, **d;
-   char * r;
-   int len;
-
-   r = strchr(var, '=');
-   if( r == 0 )  len = strlen(var);
-   else          len = r-var;
-
-   if (!environ) {
-   	environ = (char**)malloc(ADD_NUM * sizeof(char*));
-   	memset(environ, 0, sizeof(char*)*ADD_NUM);
-   	extras = ADD_NUM;
-   }
-   
-   for(p=environ; *p; p++)
-   {
-      if( memcmp(var, *p, len) == 0 && (*p)[len] == '=' )
-      {
-         while( (p[0] = p[1]) ) p++;
-         extras++;
-         break;
-      }
-   }
-   if( r == 0 ) return 0;
-   if( extras <= 0 )	/* Need more space */
-   {
-      d = malloc((p-environ+1+ADD_NUM)*sizeof(char*));
-      if( d == 0 ) return -1;
-
-      memcpy((void*) d, (void*) environ, (p-environ+1)*sizeof(char*));
-      p = d + (p-environ);
-      extras=ADD_NUM;
-
-      if( mall_env ) free(mall_env);
-      environ = d;
-      mall_env = d;
-   }
-   *p++ = strdup((char*)var);
-   *p = '\0';
-   extras--;
-
-   return 0;
-}
+	static char **mall_env = 0;
+	static int extras = 0;
+	char **p, **d;
+	char *r;
+	int len;
+
+	r = strchr(var, '=');
+	if (r == 0)
+		len = strlen(var);
+	else
+		len = r - var;
+
+	if (!environ) {
+		environ = (char **) malloc(ADD_NUM * sizeof(char *));
+		memset(environ, 0, sizeof(char *) * ADD_NUM);
+
+		extras = ADD_NUM;
+	}
 
+	for (p = environ; *p; p++) {
+		if (memcmp(var, *p, len) == 0 && (*p)[len] == '=') {
+			while ((p[0] = p[1]))
+				p++;
+			extras++;
+			break;
+		}
+	}
+	if (r == 0)
+		return 0;
+	if (extras <= 0) {			/* Need more space */
+		d = malloc((p - environ + 1 + ADD_NUM) * sizeof(char *));
 
+		if (d == 0)
+			return -1;
+
+		memcpy((void *) d, (void *) environ,
+
+			   (p - environ + 1) * sizeof(char *));
+		p = d + (p - environ);
+		extras = ADD_NUM;
+
+		if (mall_env)
+			free(mall_env);
+		environ = d;
+		mall_env = d;
+	}
+	*p++ = strdup((char *) var);
+	*p = '\0';
+	extras--;
+
+	return 0;
+}