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-rw-r--r--libio/stdio.h42
1 files changed, 28 insertions, 14 deletions
diff --git a/libio/stdio.h b/libio/stdio.h
index c420db8f84..d941aba23b 100644
--- a/libio/stdio.h
+++ b/libio/stdio.h
@@ -251,30 +251,38 @@ vprintf (const char *__restrict __fmt, _G_va_list __arg)
#if defined __USE_BSD || defined __USE_ISOC9X
/* Maximum chars of output to write in MAXLEN. */
extern int __snprintf __P ((char *__restrict __s, size_t __maxlen,
- __const char *__restrict __format, ...));
+ __const char *__restrict __format, ...))
+ __attribute__ ((__format__ (__printf__, 3, 4)));
extern int snprintf __P ((char *__restrict __s, size_t __maxlen,
- __const char *__restrict __format, ...));
+ __const char *__restrict __format, ...))
+ __attribute__ ((__format__ (__printf__, 3, 4)));
extern int __vsnprintf __P ((char *__restrict __s, size_t __maxlen,
__const char *__restrict __format,
- _G_va_list __arg));
+ _G_va_list __arg))
+ __attribute__ ((__format__ (__printf__, 3, 0)));
extern int vsnprintf __P ((char *__restrict __s, size_t __maxlen,
__const char *__restrict __format,
- _G_va_list __arg));
+ _G_va_list __arg))
+ __attribute__ ((__format__ (__printf__, 3, 0)));
#endif
#ifdef __USE_GNU
/* Write formatted output to a string dynamically allocated with `malloc'.
Store the address of the string in *PTR. */
extern int vasprintf __P ((char **__restrict __ptr,
- __const char *__restrict __f, _G_va_list __arg));
+ __const char *__restrict __f, _G_va_list __arg))
+ __attribute__ ((__format__ (__printf__, 2, 0)));
extern int asprintf __P ((char **__restrict __ptr,
- __const char *__restrict __fmt, ...));
+ __const char *__restrict __fmt, ...))
+ __attribute__ ((__format__ (__printf__, 2, 3)));
/* Write formatted output to a file descriptor. */
extern int vdprintf __P ((int __fd, __const char *__restrict __fmt,
- _G_va_list __arg));
-extern int dprintf __P ((int __fd, __const char *__restrict __fmt, ...));
+ _G_va_list __arg))
+ __attribute__ ((__format__ (__printf__, 2, 0)));
+extern int dprintf __P ((int __fd, __const char *__restrict __fmt, ...))
+ __attribute__ ((__format__ (__printf__, 2, 3)));
#endif
@@ -291,23 +299,29 @@ extern int sscanf __P ((__const char *__restrict __s,
/* Read formatted input from S into argument list ARG. */
extern int __vfscanf __P ((FILE *__restrict __s,
__const char *__restrict __format,
- _G_va_list __arg));
+ _G_va_list __arg))
+ __attribute__ ((__format__ (__scanf__, 2, 0)));
extern int vfscanf __P ((FILE *__restrict __s,
__const char *__restrict __format,
- _G_va_list __arg));
+ _G_va_list __arg))
+ __attribute__ ((__format__ (__scanf__, 2, 0)));
/* Read formatted input from stdin into argument list ARG. */
extern int __vscanf __P ((__const char *__restrict __format,
- _G_va_list __arg));
-extern int vscanf __P ((__const char *__restrict __format, _G_va_list __arg));
+ _G_va_list __arg))
+ __attribute__ ((__format__ (__scanf__, 1, 0)));
+extern int vscanf __P ((__const char *__restrict __format, _G_va_list __arg))
+ __attribute__ ((__format__ (__scanf__, 1, 0)));
/* Read formatted input from S into argument list ARG. */
extern int __vsscanf __P ((__const char *__restrict __s,
__const char *__restrict __format,
- _G_va_list __arg));
+ _G_va_list __arg))
+ __attribute__ ((__format__ (__scanf__, 2, 0)));
extern int vsscanf __P ((__const char *__restrict __s,
__const char *__restrict __format,
- _G_va_list __arg));
+ _G_va_list __arg))
+ __attribute__ ((__format__ (__scanf__, 2, 0)));
#endif /* Use GNU. */