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
@@ -294,24 +294,55 @@ char *trim_end(const char *str, char 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;
 }