X-Git-Url: https://diplodocus.org/git/nmh/blobdiff_plain/f2e710b193928f3e70f48580276498a2debe809b..64be8525eadefaf536f19865649f12c8e3a3ea9a:/sbr/utils.c

diff --git a/sbr/utils.c b/sbr/utils.c
index 59ab7c72..9dece994 100644
--- a/sbr/utils.c
+++ b/sbr/utils.c
@@ -79,7 +79,9 @@ pwd(void)
         if (!mypath || !*mypath
                 || (strcpy (curwd, mypath), chdir (curwd)) == -1) {
             strcpy (curwd, "/");
-            chdir (curwd);
+            if (chdir (curwd) < 0) {
+                advise (curwd, "chdir");
+            }
         }
         return curwd;
     }
@@ -328,7 +330,10 @@ nmh_strcasestr (const char *s1, const char *s2) {
 
 int
 nmh_init(const char *argv0, int read_context) {
-    setlocale(LC_ALL, "");
+    if (! setlocale(LC_ALL, "")) {
+        admonish(NULL, "setlocale failed, check your LC_ALL, LC_CTYPE, and "
+                 "LANG environment variables");
+    }
 
     invo_name = r1bindex ((char *) argv0, '/');
 
@@ -365,3 +370,24 @@ upcase (const char *str) {
 
     return up;
 }
+
+
+/*
+ * Scan for any 8-bit characters.  Return 1 if they exist.
+ *
+ * Scan up until the given endpoint (but not the actual endpoint itself).
+ * If the endpoint is NULL, scan until a '\0' is reached.
+ */
+
+int
+contains8bit(const char *start, const char *end)
+{
+    if (! start)
+	return 0;
+
+    while (*start != '\0' && (!end || (start < end)))
+	if (! isascii((unsigned char) *start++))
+	    return 1;
+
+    return 0;
+}