use restrict everywhere it's required by c99 and/or posix 2008

[musl] / include / regex.h

diff --git a/include/regex.h b/include/regex.h
index d57208a..b7167b8 100644 (file)
--- a/include/regex.h
+++ b/include/regex.h
@@ -5,6 +5,12 @@
 extern "C" {
 #endif
 
+#if __STDC_VERSION__ >= 199901L
+#define __restrict restrict
+#elif !defined(__GNUC__)
+#define __restrict
+#endif
+
 #define __NEED_size_t
 
 #include <bits/alltypes.h>
@@ -47,11 +53,11 @@ typedef struct {
 
 #define REG_ENOSYS      -1
 
-int regcomp(regex_t *, const char *, int);
-int regexec(const regex_t *, const char *, size_t, regmatch_t [], int);
+int regcomp(regex_t *__restrict, const char *__restrict, int);
+int regexec(const regex_t *__restrict, const char *__restrict, size_t, regmatch_t *__restrict, int);
 void regfree(regex_t *);
 
-size_t regerror(int, const regex_t *, char *, size_t);
+size_t regerror(int, const regex_t *__restrict, char *__restrict, size_t);
 
 #ifdef __cplusplus
 }