dupstr() should cope with being passed NULL

[originally from svn r3429]
2025-06-30 19:12:48 -05:00 · 2003-08-29 22:14:04 +00:00
parent 4eff79612a
commit 0a293ae208
1 changed files with 6 additions and 3 deletions
--- a/misc.c
+++ b/misc.c
@ -11,9 +11,12 @@

 char *dupstr(const char *s)
 {
-    int len = strlen(s);
-    char *p = snewn(len + 1, char);
-    strcpy(p, s);
+    char *p = NULL;
+    if (s) {
+        int len = strlen(s);
+        p = snewn(len + 1, char);
+        strcpy(p, s);
+    }
    return p;
 }