X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Fshared%2Futf8.c;h=0b524d8a9041eae0348382cdf47159f7c2f8d0b3;hb=aa62a8936f5983770e90b791083d55107659f7a1;hp=6e5ba9abf4ad115b9fcc2d3e78fbef6e65664815;hpb=faaa5728d956b7f0d24f27f3341d0b9fff30af00;p=elogind.git

diff --git a/src/shared/utf8.c b/src/shared/utf8.c
index 6e5ba9abf..0b524d8a9 100644
--- a/src/shared/utf8.c
+++ b/src/shared/utf8.c
@@ -174,6 +174,32 @@ const char *utf8_is_valid(const char *str) {
         return str;
 }
 
+char *utf8_escape_invalid(const char *str) {
+        char *p, *s;
+
+        assert(str);
+
+        p = s = malloc(strlen(str) * 4 + 1);
+        if (!p)
+                return NULL;
+
+        while (*str) {
+                int len;
+
+                len = utf8_encoded_valid_unichar(str);
+                if (len > 0) {
+                        s = mempcpy(s, str, len);
+                        str += len;
+                } else {
+                        s = mempcpy(s, UTF8_REPLACEMENT_CHARACTER, strlen(UTF8_REPLACEMENT_CHARACTER));
+                        str += 1;
+                }
+        }
+        *s = '\0';
+
+        return p;
+}
+
 char *ascii_is_valid(const char *str) {
         const char *p;