Add missing Makefile.am file

[evince.git] / backend / dvi / mdvi-lib / util.c

diff --git a/backend/dvi/mdvi-lib/util.c b/backend/dvi/mdvi-lib/util.c
index c1cc649e2b427f0421757bf9832df7e160dbf7fc..ddf521748140d0d79e2c6185227a26ad7c9b3121 100644 (file)
--- a/backend/dvi/mdvi-lib/util.c
+++ b/backend/dvi/mdvi-lib/util.c
@@ -16,6 +16,7 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 
+#include <config.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <stdarg.h>
@@ -288,6 +289,60 @@ void       *mdvi_memdup(const void *data, size_t length)
        return ptr;
 }
 
+char   *mdvi_strrstr (const char *haystack, const char *needle)
+{
+       size_t i;
+       size_t needle_len;
+       size_t haystack_len;
+       const char *p;
+
+       needle_len = strlen (needle);
+       haystack_len = strlen (haystack);
+
+       if (needle_len == 0)
+               return NULL;
+
+       if (haystack_len < needle_len)
+               return (char *)haystack;
+
+       p = haystack + haystack_len - needle_len;
+       while (p >= haystack) {
+               for (i = 0; i < needle_len; i++)
+                       if (p[i] != needle[i])
+                               goto next;
+
+               return (char *)p;
+
+       next:
+               p--;
+       }
+
+       return NULL;
+}
+
+char   *mdvi_build_path_from_cwd (const char *path)
+{
+       char  *ptr;
+       char  *buf = NULL;
+       size_t buf_size = 512;
+
+       while (1) {
+               buf = mdvi_realloc (buf, buf_size);
+               if ((ptr = getcwd (buf, buf_size)) == NULL && errno == ERANGE) {
+                       buf_size *= 2;
+               } else {
+                       buf = ptr;
+                       break;
+               }
+       }
+
+       buf = mdvi_realloc (buf, strlen (buf) + strlen (path) + 2);
+       strcat (buf, "/");
+       strncat (buf, path, strlen (path));
+       
+       return buf;
+}
+
 double unit2pix_factor(const char *spec)
 {
        double  val;