1 files changed, 48 insertions, 0 deletions
diff --git a/Build/source/texk/upmendex/kp.c b/Build/source/texk/upmendex/kp.c
new file mode 100644
index 00000000000..c43453f7857
--- /dev/null
+++ b/Build/source/texk/upmendex/kp.c
@@ -0,0 +1,48 @@
+/* Written by K.Asayayam  Sep. 1995 */
+
+#include "mendex.h"
+#include <kpathsea/expand.h>
+#include <kpathsea/pathsearch.h>
+
+#include "kp.h"
+
+/* KP_get_path(char *var, char *def_val)
+     ARGUMENTS:
+       char *var:     name of variable.
+       char *def_val: default value.
+ */
+static const char *KP_get_path(const char *var, const char *def_val)
+{
+  char avar[50];
+  const char *p;
+  strcpy(avar, "${");
+  strcat(avar, var);
+  strcat(avar, "}");
+  p = kpse_path_expand(avar);
+  return (p && *p) ? p : def_val;
+}
+
+/*
+ */
+void KP_entry_filetype(KpathseaSupportInfo *info)
+{
+  info->path = KP_get_path(info->var_name,info->path);
+}
+
+/* KP_find_file(KpathseaSupportInfo *info, char *name)
+     ARGUMENTS:
+       KpathseaSupportInfo *info: Informations about the type of files.
+       char *name:                Name of file.
+ */
+const char *KP_find_file(KpathseaSupportInfo *info, const char *name)
+{
+  char *ret;
+  ret = kpse_path_search(info->path,name,1);
+  if (!ret && info->suffix && !find_suffix(name)) {
+    char *suff_name;
+    suff_name = concat3(name,".",info->suffix);
+    ret = kpse_path_search(info->path,suff_name,1);
+    free(suff_name);
+  }
+  return ret ? ret : name;
+}