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implement wordexp. first try, may be buggy. intended to be safe.
[musl]
/
src
/
internal
/
libc.h
diff --git
a/src/internal/libc.h
b/src/internal/libc.h
index
8a84be0
..
c0039e7
100644
(file)
--- a/
src/internal/libc.h
+++ b/
src/internal/libc.h
@@
-5,34
+5,49
@@
#include <stdio.h>
struct __libc {
#include <stdio.h>
struct __libc {
-
void (*lock)(volatile int *
);
+
int *(*errno_location)(void
);
void (*cancelpt)(int);
void (*cancelpt)(int);
+ void (*lock)(volatile int *);
+ void (*lockfile)(FILE *);
+ void (*fork_handler)(int);
int (*atexit)(void (*)(void));
void (*fini)(void);
void (*ldso_fini)(void);
int (*atexit)(void (*)(void));
void (*fini)(void);
void (*ldso_fini)(void);
- int *(*errno_location)(void);
volatile int threads_minus_1;
volatile int threads_minus_1;
- int (*rsyscall)(int, long, long, long, long, long, long);
- void (**tsd_keys)(void *);
- void (*fork_handler)(int);
+ int ofl_lock;
+ FILE *ofl_head;
};
};
-#ifdef __PIC__
-extern struct __libc *__libc_loc(void) __attribute__((const));
-#define libc (*__libc_loc())
-#else
+
+#if 100*__GNUC__+__GNUC_MINOR__ >= 303 || defined(__PCC__) || defined(__TINYC__)
+extern struct __libc __libc __attribute__((visibility("hidden")));
+#define libc __libc
+
+#elif !defined(__PIC__)
extern struct __libc __libc;
#define libc __libc
extern struct __libc __libc;
#define libc __libc
+
+#else
+#define USE_LIBC_ACCESSOR
+extern struct __libc *__libc_loc(void) __attribute__((const));
+#define libc (*__libc_loc())
+
#endif
/* Designed to avoid any overhead in non-threaded processes */
void __lock(volatile int *);
#endif
/* Designed to avoid any overhead in non-threaded processes */
void __lock(volatile int *);
+void __lockfile(FILE *);
#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 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_END CANCELPT(0)
+#define CANCELPT_TRY CANCELPT(0)
+#define CANCELPT_END CANCELPT(-1)
+#define CANCELPT_INHIBIT CANCELPT(2)
+#define CANCELPT_RESUME CANCELPT(-2)
+
+int __rsyscall(int, long, long, long, long, long, long);
extern char **__environ;
#define environ __environ
extern char **__environ;
#define environ __environ