X-Git-Url: http://git.marmaro.de/?p=mmh;a=blobdiff_plain;f=sbr%2Futils.c;h=466b9aba2627e7c4f1e6d9d384e2ca69e83063e4;hp=f61456d6f8ebfde0857b1392dab49a94396a9065;hb=9cf6132a6ea29968131a000bc2fb6860affac45e;hpb=d4c34b4439a9dbd89664de460ed37ecddc260fb1

diff --git a/sbr/utils.c b/sbr/utils.c
index f61456d..466b9ab 100644
--- a/sbr/utils.c
+++ b/sbr/utils.c
@@ -107,7 +107,7 @@ pwd(void)
 /*
 ** add   -- If "s1" is NULL, this routine just creates a
 **       -- copy of "s2" into newly malloc'ed memory.
-**       -- (use getcpy() instead in this case)
+**       -- (use mh_xstrdup() instead in this case)
 **       --
 **       -- If "s1" is not NULL, then copy the concatenation
 **       -- of "s1" and "s2" (note the order) into newly
@@ -218,3 +218,19 @@ app_msgarg(struct msgs_array *msgs, char *cp)
 	}
 	msgs->msgs[msgs->size++] = cp;
 }
+
+/*
+** mh_xstrdup() is a wrapper of strdup() to replace getcpy().  It returns
+** a copy of its argument if this is nonnull; otherwise, it returns a
+** string of length 0.
+*/
+char *
+mh_xstrdup(char * s)
+{
+	char * tmp;
+	tmp = strdup(s ? s : "");
+	if (!tmp) {
+		adios(EX_OSERR, "strdup", "can't copy string");
+	}
+	return tmp;
+}