simplify some logic in scanf and remove redundant invalid-format check

[musl] / include / unistd.h

diff --git a/include/unistd.h b/include/unistd.h
index bb741e4..b9dc06d 100644 (file)
--- a/include/unistd.h
+++ b/include/unistd.h
@@ -15,12 +15,7 @@ extern "C" {
 #define SEEK_CUR 1
 #define SEEK_END 2
 
-#undef NULL
-#ifdef __cplusplus
-#define NULL 0
-#else
-#define NULL ((void*)0)
-#endif
+#define NULL 0L
 
 #define __NEED_size_t
 #define __NEED_ssize_t
@@ -29,6 +24,7 @@ extern "C" {
 #define __NEED_off_t
 #define __NEED_pid_t
 #define __NEED_intptr_t
+#define __NEED_useconds_t
 
 #include <bits/alltypes.h>
 
@@ -168,13 +164,14 @@ int getdtablesize(void);
 int sethostname(const char *, size_t);
 int getdomainname(char *, size_t);
 int setdomainname(const char *, size_t);
-int setgroups(size_t, const gid_t []);
+int setgroups(size_t, const gid_t *);
 char *getpass(const char *);
 int daemon(int, int);
 void setusershell(void);
 void endusershell(void);
 char *getusershell(void);
 int acct(const char *);
+long syscall(long, ...);
 #endif
 
 #ifdef _GNU_SOURCE
@@ -225,6 +222,7 @@ void syncfs(int);
 #define _POSIX_THREAD_SAFE_FUNCTIONS _POSIX_VERSION
 #define _POSIX_THREAD_ATTR_STACKADDR _POSIX_VERSION
 #define _POSIX_THREAD_ATTR_STACKSIZE _POSIX_VERSION
+#define _POSIX_THREAD_PRIORITY_SCHEDULING _POSIX_VERSION
 #define _POSIX_TIMERS           _POSIX_VERSION
 #define _POSIX_TIMEOUTS         _POSIX_VERSION
 #define _POSIX_MONOTONIC_CLOCK  _POSIX_VERSION