apply: do not get confused by symlinks in the middle

diff --git a/git-compat-util.h b/git-compat-util.h
index 2c84016ac9942eb62c24d143a551c8f1c8f48bb6..c08688c8f355ccf61a746bbe1ac9a6788bdea7e3 100644 (file)
--- a/git-compat-util.h
+++ b/git-compat-util.h
@@ -197,6 +197,19 @@ static inline void *xmalloc(size_t size)
        return ret;
 }
 
+static inline char *xstrndup(const char *str, size_t len)
+{
+       char *p;
+
+       p = memchr(str, '\0', len);
+       if (p)
+               len = p - str;
+       p = xmalloc(len + 1);
+       memcpy(p, str, len);
+       p[len] = '\0';
+       return p;
+}
+
 static inline void *xrealloc(void *ptr, size_t size)
 {
        void *ret = realloc(ptr, size);