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fix failure to read infinity in scanf
[musl]
/
src
/
internal
/
libc.h
diff --git
a/src/internal/libc.h
b/src/internal/libc.h
index
b80cbcc
..
39a1865
100644
(file)
--- a/
src/internal/libc.h
+++ b/
src/internal/libc.h
@@
-5,31
+5,38
@@
#include <stdio.h>
struct __libc {
#include <stdio.h>
struct __libc {
- int *(*errno_location)(void);
- void (*cancelpt)(int);
- void (*lock)(volatile int *);
- void (*lockfile)(FILE *);
- void (*fork_handler)(int);
- int (*rsyscall)(int, long, long, long, long, long, long);
+ void *main_thread;
+ int threaded;
+ int secure;
+ size_t *auxv;
int (*atexit)(void (*)(void));
void (*fini)(void);
void (*ldso_fini)(void);
volatile int threads_minus_1;
int (*atexit)(void (*)(void));
void (*fini)(void);
void (*ldso_fini)(void);
volatile int threads_minus_1;
- int
ofl_lock
;
+ int
canceldisable
;
FILE *ofl_head;
FILE *ofl_head;
+ int ofl_lock;
};
};
-#if 100*__GNUC__+__GNUC_MINOR__ >= 303 || defined(__PCC__) || defined(__TINYC__)
-extern struct __libc __libc __attribute__((visibility("hidden")));
-#define libc __libc
+#if !defined(__PIC__) || 100*__GNUC__+__GNUC_MINOR__ >= 303 || defined(__PCC__) || defined(__TINYC__)
-#elif !defined(__PIC__)
-extern struct __libc __libc;
+#ifdef __PIC__
+#if __GNUC__ < 4
+#define BROKEN_VISIBILITY 1
+#endif
+#define ATTR_LIBC_VISIBILITY __attribute__((visibility("hidden")))
+#else
+#define ATTR_LIBC_VISIBILITY
+#endif
+
+extern struct __libc __libc ATTR_LIBC_VISIBILITY;
#define libc __libc
#else
#define libc __libc
#else
+
#define USE_LIBC_ACCESSOR
#define USE_LIBC_ACCESSOR
+#define ATTR_LIBC_VISIBILITY
extern struct __libc *__libc_loc(void) __attribute__((const));
#define libc (*__libc_loc())
extern struct __libc *__libc_loc(void) __attribute__((const));
#define libc (*__libc_loc())
@@
-38,13
+45,14
@@
extern struct __libc *__libc_loc(void) __attribute__((const));
/* Designed to avoid any overhead in non-threaded processes */
void __lock(volatile int *);
/* Designed to avoid any overhead in non-threaded processes */
void __lock(volatile int *);
-void __lockfile(FILE *);
+int __lockfile(FILE *);
+void __unlockfile(FILE *);
#define LOCK(x) (libc.threads_minus_1 ? (__lock(x),1) : ((void)(x),1))
#define LOCK(x) (libc.threads_minus_1 ? (__lock(x),1) : ((void)(x),1))
-#define UNLOCK(x) (*(x)=0)
-#define CANCELPT(x) (libc.cancelpt ? libc.cancelpt((x)),0 : (void)(x),0)
-#define CANCELPT_BEGIN CANCELPT(1)
-#define CANCELPT_TRY CANCELPT(0)
-#define CANCELPT_END CANCELPT(-1)
+#define UNLOCK(x) (*(
volatile int *)(
x)=0)
+
+void __synccall(void (*)(void *), void *);
+void __synccall_wait(void);
+int __setxid(int, int, int, int);
extern char **__environ;
#define environ __environ
extern char **__environ;
#define environ __environ