1 files changed, 56 insertions, 53 deletions
diff --git a/src/numericsort.c b/src/numericsort.c
index 17149be6f..b0729c326 100644
--- a/src/numericsort.c
+++ b/src/numericsort.c
@@ -1,53 +1,56 @@
-/* My own scandir sorting function, useful for the film industry where
-   we have many files with numbers in their names: */
-
-#include <config.h>
-#include <ctype.h>
-#include <stdlib.h>
-#include <sys/types.h>
-
-#ifdef WIN32
-#include <FL/filename.H>
-#else
-#if HAVE_DIRENT_H
-# include <dirent.h>
-#else
-# define dirent direct
-# if HAVE_SYS_NDIR_H
-#  include <sys/ndir.h>
-# endif
-# if HAVE_SYS_DIR_H
-#  include <sys/dir.h>
-# endif
-# if HAVE_NDIR_H
-#  include <ndir.h>
-# endif
-#endif
-#endif
-
-int numericsort(const struct dirent **A, const struct dirent **B) {
-  const char* a = (*A)->d_name;
-  const char* b = (*B)->d_name;
-  int ret = 0;
-  for (;;) {
-    if (isdigit(*a) && isdigit(*b)) {
-      int zdiff,diff,magdiff;
-      zdiff = 0;
-      while (*a == '0') {a++; zdiff++;}
-      while (*b == '0') {b++; zdiff--;}
-      while (isdigit(*a) && *a == *b) {a++; b++;}
-      diff = (isdigit(*a) && isdigit(*b)) ? *a - *b : 0;
-      magdiff = 0;
-      while (isdigit(*a)) {magdiff++; a++;}
-      while (isdigit(*b)) {magdiff--; b++;}
-      if (ret);
-      else if (magdiff) ret = magdiff;
-      else if (diff) ret = diff;
-      else if (zdiff) ret = zdiff;
-    } else if (*a == *b) {
-      if (!*a) return ret;
-      a++; b++;
-    } else
-      return (*a-*b);
-  }
-}
+/* My own scandir sorting function, useful for the film industry where
+   we have many files with numbers in their names: */
+
+#include <config.h>
+#include <ctype.h>
+#include <stdlib.h>
+#include <sys/types.h>
+
+#ifdef WIN32
+#include <FL/filename.H>
+#else
+#if HAVE_DIRENT_H
+# include <dirent.h>
+#else
+# define dirent direct
+# if HAVE_SYS_NDIR_H
+#  include <sys/ndir.h>
+# endif
+# if HAVE_SYS_DIR_H
+#  include <sys/dir.h>
+# endif
+# if HAVE_NDIR_H
+#  include <ndir.h>
+# endif
+#endif
+#endif
+
+#ifdef __cplusplus
+extern "C"
+#endif
+int numericsort(const struct dirent **A, const struct dirent **B) {
+  const char* a = (*A)->d_name;
+  const char* b = (*B)->d_name;
+  int ret = 0;
+  for (;;) {
+    if (isdigit(*a) && isdigit(*b)) {
+      int zdiff,diff,magdiff;
+      zdiff = 0;
+      while (*a == '0') {a++; zdiff++;}
+      while (*b == '0') {b++; zdiff--;}
+      while (isdigit(*a) && *a == *b) {a++; b++;}
+      diff = (isdigit(*a) && isdigit(*b)) ? *a - *b : 0;
+      magdiff = 0;
+      while (isdigit(*a)) {magdiff++; a++;}
+      while (isdigit(*b)) {magdiff--; b++;}
+      if (ret);
+      else if (magdiff) ret = magdiff;
+      else if (diff) ret = diff;
+      else if (zdiff) ret = zdiff;
+    } else if (*a == *b) {
+      if (!*a) return ret;
+      a++; b++;
+    } else
+      return (*a-*b);
+  }
+}