X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Fshared%2Futf8.c;h=c559c13678d62b7cd275f05721febe73b5205924;hb=dc92e62c6c34f242aa54aa187e50a94ed7695c51;hp=6e5ba9abf4ad115b9fcc2d3e78fbef6e65664815;hpb=faaa5728d956b7f0d24f27f3341d0b9fff30af00;p=elogind.git

diff --git a/src/shared/utf8.c b/src/shared/utf8.c
index 6e5ba9abf..c559c1367 100644
--- a/src/shared/utf8.c
+++ b/src/shared/utf8.c
@@ -136,7 +136,7 @@ int utf8_encoded_to_unichar(const char *str) {
         return unichar;
 }
 
-bool utf8_is_printable(const char* str, size_t length) {
+bool utf8_is_printable_newline(const char* str, size_t length, bool newline) {
         const uint8_t *p;
 
         assert(str);
@@ -145,7 +145,8 @@ bool utf8_is_printable(const char* str, size_t length) {
                 int encoded_len = utf8_encoded_valid_unichar((const char *)p);
                 int val = utf8_encoded_to_unichar((const char*)p);
 
-                if (encoded_len < 0 || val < 0 || is_unicode_control(val))
+                if (encoded_len < 0 || val < 0 || is_unicode_control(val) ||
+                    (!newline && val == '\n'))
                         return false;
 
                 length -= encoded_len;
@@ -174,6 +175,32 @@ 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;