1 files changed, 92 insertions, 0 deletions
diff --git a/winsup/cygwin/local_includes/string.h b/winsup/cygwin/local_includes/string.h
new file mode 100644
index 000000000..ec9a030a0
--- /dev/null
+++ b/winsup/cygwin/local_includes/string.h
@@ -0,0 +1,92 @@
+/* string.h: Extra string defs
+
+This file is part of Cygwin.
+
+This software is a copyrighted work licensed under the terms of the
+Cygwin license.  Please consult the file "CYGWIN_LICENSE" for
+details. */
+
+#ifndef _CYGWIN_STRING_H
+#define _CYGWIN_STRING_H
+
+#include_next <string.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#undef strchrnul
+#define strchrnul cygwin_strchrnul
+static inline char *
+strchrnul (const char *s, int c)
+{
+  while (*s != (char) c && *s != 0)
+    ++s;
+  return (char *) s;
+}
+
+#ifdef __INSIDE_CYGWIN__
+
+extern const char isalpha_array[];
+
+static inline int
+ascii_strcasematch (const char *cs, const char *ct)
+{
+  const unsigned char *us, *ut;
+
+  us = (const unsigned char *) cs;
+  ut = (const unsigned char *) ct;
+
+  while (us[0] == ut[0] || (us[0] ^ isalpha_array[us[0]]) == ut[0])
+    {
+      if (us[0] == 0)
+	return 1;
+      ++us, ++ut;
+    }
+  return 0;
+}
+
+static inline int
+ascii_strncasematch (const char *cs, const char *ct, size_t n)
+{
+  const unsigned char *us, *ut;
+
+  if (!n)
+   return 1;
+  us = (const unsigned char *) cs;
+  ut = (const unsigned char *) ct;
+
+  while (us[0] == ut[0] || (us[0] ^ isalpha_array[us[0]]) == ut[0])
+    {
+      --n;
+      if (!n || us[0] == 0)
+        return 1;
+      ++us, ++ut;
+    }
+  return 0;
+}
+
+#undef strcasecmp
+#define strcasecmp cygwin_strcasecmp
+int cygwin_strcasecmp (const char *, const char *);
+
+#undef strncasecmp
+#define strncasecmp cygwin_strncasecmp
+int cygwin_strncasecmp (const char *, const char *, size_t);
+
+#define strcasematch(s1,s2)	(!cygwin_strcasecmp ((s1),(s2)))
+#define strncasematch(s1,s2,n)	(!cygwin_strncasecmp ((s1),(s2),(n)))
+
+char *strlwr (char *);
+char *strupr (char *);
+
+#endif /* __INSIDE_CYGWIN__ */
+
+char *strccpy (char *__restrict s1, const char **__restrict s2,
+			 char c);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _CYGWIN_STRING_H */