Nullability check for regex module.
Bugs: b/245972273
Test: None
Change-Id: Ie2c0f3dcbbe1dcbe04d4a6acfac445d556f0c38d
diff --git a/libc/include/regex.h b/libc/include/regex.h
index 156f9fd..be1418e 100644
--- a/libc/include/regex.h
+++ b/libc/include/regex.h
@@ -49,8 +49,8 @@
typedef struct {
int re_magic;
size_t re_nsub; /* number of parenthesized subexpressions */
- const char *re_endp; /* end pointer for REG_PEND */
- struct re_guts *re_g; /* none of your business :-) */
+ const char * _Null_unspecified re_endp; /* end pointer for REG_PEND */
+ struct re_guts * _Null_unspecified re_g; /* none of your business :-) */
} regex_t;
typedef struct {
@@ -99,10 +99,10 @@
#define REG_BACKR 02000 /* force use of backref code */
__BEGIN_DECLS
-int regcomp(regex_t* __re, const char* __regex, int __flags);
-size_t regerror(int __error_code, const regex_t* __re, char* __buf, size_t __n);
-int regexec(const regex_t* __re, const char* __s, size_t __match_count, regmatch_t __matches[], int __flags);
-void regfree(regex_t* __re);
+int regcomp(regex_t* _Nonnull __re, const char* _Nonnull __regex, int __flags);
+size_t regerror(int __error_code, const regex_t* _Nullable __re, char* _Nullable __buf, size_t __n);
+int regexec(const regex_t* _Nonnull __re, const char* _Nonnull __s, size_t __match_count, regmatch_t __matches[_Nullable], int __flags);
+void regfree(regex_t* _Nonnull __re);
__END_DECLS
#endif