1 files changed, 31 insertions, 0 deletions

diff --git a/shared.c b/shared.c
index 50fe8e1..e06df91 100644
--- a/shared.c
+++ b/shared.c
@@ -290,32 +290,63 @@ char *trim_end(const char *str, char c)
 		return NULL;
 	t = (char *)str;
 	len = strlen(t);
 	while(len > 0 && t[len - 1] == c)
 		len--;
 
 	if (len == 0)
 		return NULL;
 
 	c = t[len];
 	t[len] = '\0';
 	s = xstrdup(t);
 	t[len] = c;
 	return s;
 }
 
+char *strlpart(char *txt, int maxlen)
+{
+	char *result;
+
+	if (!txt)
+		return txt;
+
+	if (strlen(txt) <= maxlen)
+		return txt;
+	result = xmalloc(maxlen + 1);
+	memcpy(result, txt, maxlen - 3);
+	result[maxlen-1] = result[maxlen-2] = result[maxlen-3] = '.';
+	result[maxlen] = '\0';
+	return result;
+}
+
+char *strrpart(char *txt, int maxlen)
+{
+	char *result;
+
+	if (!txt)
+		return txt;
+
+	if (strlen(txt) <= maxlen)
+		return txt;
+	result = xmalloc(maxlen + 1);
+	memcpy(result + 3, txt + strlen(txt) - maxlen + 4, maxlen - 3);
+	result[0] = result[1] = result[2] = '.';
+	return result;
+}
+
 void cgit_add_ref(struct reflist *list, struct refinfo *ref)
 {
 	size_t size;
 
 	if (list->count >= list->alloc) {
 		list->alloc += (list->alloc ? list->alloc : 4);
 		size = list->alloc * sizeof(struct refinfo *);
 		list->refs = xrealloc(list->refs, size);
 	}
 	list->refs[list->count++] = ref;
 }
 
 struct refinfo *cgit_mk_refinfo(const char *refname, const unsigned char *sha1)
 {
 	struct refinfo *ref;