X-Git-Url: https://diplodocus.org/git/nmh/blobdiff_plain/74eecc059657dc9d93ef1a4da6372c7c15b91892..58136b15d4b0a0f124a21055b6aa4217f1ace7e1:/sbr/utils.c

diff --git a/sbr/utils.c b/sbr/utils.c
index 5b7b19f1..c9769fb0 100644
--- a/sbr/utils.c
+++ b/sbr/utils.c
@@ -76,6 +76,19 @@ void *mh_xcalloc(size_t nelem, size_t elsize)
     return p;
 }
 
+/* Duplicate a NUL-terminated string, exit on failure. */
+char *mh_xstrdup(const char *src)
+{
+    size_t n;
+    char *dest;
+
+    n = strlen(src) + 1; /* Ignore possibility of overflow. */
+    dest = mh_xmalloc(n);
+    memcpy(dest, src, n);
+
+    return dest;
+}
+
 /* Call free(3), if ptr isn't NULL. */
 void mh_xfree(void *ptr)
 {
@@ -90,7 +103,7 @@ void mh_xfree(void *ptr)
 char *
 pwd(void)
 {
-    register char *cp;
+    char *cp;
     static char curwd[PATH_MAX];
 
     if (!getcwd (curwd, PATH_MAX)) {