mirror of
https://sourceware.org/git/glibc.git
synced 2024-09-20 16:40:54 +00:00
b50f8e42ba
If longjmp restores the stack frame to an address which is beyond the stack frame at the time of the longjmp call it would install an uninitialized stack frame. If compiled with _FORTIFY_SOURCE defined, longjmp will now bail out in this situation.
168 lines
6.4 KiB
C
168 lines
6.4 KiB
C
#ifndef _STDIO_H
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# if defined __need_FILE || defined __need___FILE
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# include <libio/stdio.h>
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# else
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# include <libio/stdio.h>
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/* Now define the internal interfaces. */
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extern int __fcloseall (void);
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extern int __snprintf (char *__restrict __s, size_t __maxlen,
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__const char *__restrict __format, ...)
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__attribute__ ((__format__ (__printf__, 3, 4)));
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extern int __vsnprintf (char *__restrict __s, size_t __maxlen,
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__const char *__restrict __format, _G_va_list __arg)
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__attribute__ ((__format__ (__printf__, 3, 0)));
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extern int __vfscanf (FILE *__restrict __s,
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__const char *__restrict __format,
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_G_va_list __arg)
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__attribute__ ((__format__ (__scanf__, 2, 0)));
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libc_hidden_proto (__vfscanf)
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extern int __vscanf (__const char *__restrict __format,
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_G_va_list __arg)
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__attribute__ ((__format__ (__scanf__, 1, 0)));
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extern _IO_ssize_t __getline (char **__lineptr, size_t *__n,
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FILE *__stream);
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extern int __vsscanf (__const char *__restrict __s,
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__const char *__restrict __format,
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_G_va_list __arg)
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__attribute__ ((__format__ (__scanf__, 2, 0)));
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#ifndef __cplusplus
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extern int __sprintf_chk (char *, int, size_t, const char *, ...) __THROW;
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extern int __snprintf_chk (char *, size_t, int, size_t, const char *, ...)
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__THROW;
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extern int __vsprintf_chk (char *, int, size_t, const char *,
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_G_va_list) __THROW;
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extern int __vsnprintf_chk (char *, size_t, int, size_t, const char *,
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_G_va_list) __THROW;
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extern int __printf_chk (int, const char *, ...);
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extern int __fprintf_chk (FILE *, int, const char *, ...);
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extern int __vprintf_chk (int, const char *, _G_va_list);
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extern int __vfprintf_chk (FILE *, int, const char *, _G_va_list);
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extern char *__fgets_unlocked_chk (char *buf, size_t size, int n, FILE *fp);
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extern char *__fgets_chk (char *buf, size_t size, int n, FILE *fp);
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extern int __asprintf_chk (char **, int, const char *, ...) __THROW;
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extern int __vasprintf_chk (char **, int, const char *, _G_va_list) __THROW;
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extern int __dprintf_chk (int, int, const char *, ...);
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extern int __vdprintf_chk (int, int, const char *, _G_va_list);
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extern int __obstack_printf_chk (struct obstack *, int, const char *, ...)
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__THROW;
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extern int __obstack_vprintf_chk (struct obstack *, int, const char *,
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_G_va_list) __THROW;
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#endif
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extern int __isoc99_fscanf (FILE *__restrict __stream,
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__const char *__restrict __format, ...) __wur;
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extern int __isoc99_scanf (__const char *__restrict __format, ...) __wur;
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extern int __isoc99_sscanf (__const char *__restrict __s,
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__const char *__restrict __format, ...) __THROW;
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extern int __isoc99_vfscanf (FILE *__restrict __s,
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__const char *__restrict __format,
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_G_va_list __arg) __wur;
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extern int __isoc99_vscanf (__const char *__restrict __format,
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_G_va_list __arg) __wur;
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extern int __isoc99_vsscanf (__const char *__restrict __s,
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__const char *__restrict __format,
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_G_va_list __arg) __THROW;
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libc_hidden_proto (__isoc99_vsscanf)
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libc_hidden_proto (__isoc99_vfscanf)
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/* Prototypes for compatibility functions. */
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extern FILE *__new_tmpfile (void);
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extern FILE *__old_tmpfile (void);
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# define __need_size_t
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# include <stddef.h>
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/* Generate a unique file name (and possibly open it). */
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extern int __path_search (char *__tmpl, size_t __tmpl_len,
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__const char *__dir, __const char *__pfx,
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int __try_tempdir);
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extern int __gen_tempname (char *__tmpl, int __flags, int __kind);
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/* The __kind argument to __gen_tempname may be one of: */
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# define __GT_FILE 0 /* create a file */
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# define __GT_DIR 1 /* create a directory */
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# define __GT_NOCREATE 2 /* just find a name not currently in use */
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/* Print out MESSAGE on the error output and abort. */
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extern void __libc_fatal (__const char *__message)
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__attribute__ ((__noreturn__));
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extern void __libc_message (int do_abort, __const char *__fnt, ...);
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extern void __fortify_fail (const char *msg)
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__attribute__ ((__noreturn__)) internal_function;
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libc_hidden_proto (__fortify_fail)
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/* Acquire ownership of STREAM. */
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extern void __flockfile (FILE *__stream);
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/* Relinquish the ownership granted for STREAM. */
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extern void __funlockfile (FILE *__stream);
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/* Try to acquire ownership of STREAM but do not block if it is not
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possible. */
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extern int __ftrylockfile (FILE *__stream);
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extern int __getc_unlocked (FILE *__fp);
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extern wint_t __getwc_unlocked (FILE *__fp);
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extern int __fxprintf (FILE *__fp, const char *__fmt, ...)
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__attribute__ ((__format__ (__printf__, 2, 3)));
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extern __const char *__const _sys_errlist_internal[] attribute_hidden;
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extern int _sys_nerr_internal attribute_hidden;
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extern int __asprintf_internal (char **__restrict __ptr,
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__const char *__restrict __fmt, ...)
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attribute_hidden __attribute__ ((__format__ (__printf__, 2, 3)));
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# if !defined NOT_IN_libc && !defined _ISOMAC
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# define __asprintf(ptr, fmt, args...) \
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INTUSE(__asprintf) (ptr, fmt, ##args)
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extern _IO_FILE *_IO_new_fopen (const char*, const char*);
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# define fopen(fname, mode) _IO_new_fopen (fname, mode)
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extern _IO_FILE *_IO_new_fdopen (int, const char*);
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# define fdopen(fd, mode) _IO_new_fdopen (fd, mode)
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extern int _IO_new_fclose (_IO_FILE*);
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# define fclose(fp) _IO_new_fclose (fp)
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extern int _IO_fputs (const char*, _IO_FILE*);
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libc_hidden_proto (_IO_fputs)
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# define fputs(str, fp) _IO_fputs (str, fp)
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extern int _IO_new_fsetpos (_IO_FILE *, const _IO_fpos_t *);
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# define fsetpos(fp, posp) _IO_new_fsetpos (fp, posp)
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extern int _IO_new_fgetpos (_IO_FILE *, _IO_fpos_t *);
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# define fgetpos(fp, posp) _IO_new_fgetpos (fp, posp)
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# endif
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libc_hidden_proto (dprintf)
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libc_hidden_proto (fprintf)
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libc_hidden_proto (vfprintf)
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libc_hidden_proto (sprintf)
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libc_hidden_proto (sscanf)
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libc_hidden_proto (fwrite)
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libc_hidden_proto (perror)
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libc_hidden_proto (remove)
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libc_hidden_proto (rewind)
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libc_hidden_proto (fileno)
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libc_hidden_proto (fwrite)
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libc_hidden_proto (fseek)
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libc_hidden_proto (ftello)
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libc_hidden_proto (fflush_unlocked)
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libc_hidden_proto (fread_unlocked)
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libc_hidden_proto (fwrite_unlocked)
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libc_hidden_proto (fgets_unlocked)
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libc_hidden_proto (fputs_unlocked)
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libc_hidden_proto (fmemopen)
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libc_hidden_proto (open_memstream)
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libc_hidden_proto (__libc_fatal)
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libc_hidden_proto (__vsprintf_chk)
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libc_hidden_proto (__vsnprintf_chk)
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libc_hidden_proto (__vfprintf_chk)
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libc_hidden_proto (__vasprintf_chk)
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libc_hidden_proto (__vdprintf_chk)
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libc_hidden_proto (__obstack_vprintf_chk)
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# endif
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#endif
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