#include "utf8.h"
#include "util.h"
#include "env-util.h"
+#include "def.h"
#define VALID_CHARS_ENV_NAME \
- "0123456789" \
- "abcdefghijklmnopqrstuvwxyz" \
- "ABCDEFGHIJKLMNOPQRSTUVWXYZ" \
+ DIGITS LETTERS \
"_"
#ifndef ARG_MAX
e[k++] = *p;
}
- e[k] = NULL;
+ if (e)
+ e[k] = NULL;
+
return e;
}