/* Internal header for parsing printf format strings.
- Copyright (C) 1995-1999, 2000, 2002, 2003 Free Software Foundation, Inc.
+ Copyright (C) 1995-2019 Free Software Foundation, Inc.
This file is part of th GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, write to the Free
- Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
- 02111-1307 USA. */
+ License along with the GNU C Library; if not, see
+ <https://www.gnu.org/licenses/>. */
#include <printf.h>
#include <stdint.h>
#include <stddef.h>
+#include <string.h>
+#include <wchar.h>
struct printf_spec
int data_arg_type; /* Type of first argument. */
/* Number of arguments consumed by this format specifier. */
size_t ndata_args;
+ /* Size of the parameter for PA_USER type. */
+ int size;
};
unsigned long long int pa_u_long_long_int;
double pa_double;
long double pa_long_double;
+#if __HAVE_FLOAT128_UNLIKE_LDBL
+ _Float128 pa_float128;
+#endif
const char *pa_string;
const wchar_t *pa_wstring;
void *pa_pointer;
+ void *pa_user;
};
#ifndef DONT_NEED_READ_INT
/* Read a simple integer from a string and update the string pointer.
It is assumed that the first character is a digit. */
-static unsigned int
+static int
read_int (const UCHAR_T * *pstr)
{
- unsigned int retval = **pstr - L_('0');
+ int retval = **pstr - L_('0');
while (ISDIGIT (*++(*pstr)))
- {
- retval *= 10;
- retval += **pstr - L_('0');
- }
+ if (retval >= 0)
+ {
+ if (INT_MAX / 10 < retval)
+ retval = -1;
+ else
+ {
+ int digit = **pstr - L_('0');
+
+ retval *= 10;
+ if (INT_MAX - digit < retval)
+ retval = -1;
+ else
+ retval += digit;
+ }
+ }
return retval;
}
/* These are defined in reg-printf.c. */
-extern printf_arginfo_function **__printf_arginfo_table attribute_hidden;
+extern printf_arginfo_size_function **__printf_arginfo_table attribute_hidden;
extern printf_function **__printf_function_table attribute_hidden;
+extern printf_va_arg_function **__printf_va_arg_table attribute_hidden;
/* Find the next spec in FORMAT, or the end of the string. Returns
a pointer into FORMAT, to a '%' or a '\0'. */
-extern const unsigned char *__find_specmb (const UCHAR_T *format,
- mbstate_t *ps) attribute_hidden;
+__extern_always_inline const unsigned char *
+__find_specmb (const unsigned char *format)
+{
+ return (const unsigned char *) __strchrnul ((const char *) format, '%');
+}
-extern const unsigned int *__find_specwc (const UCHAR_T *format)
- attribute_hidden;
+__extern_always_inline const unsigned int *
+__find_specwc (const unsigned int *format)
+{
+ return (const unsigned int *) __wcschrnul ((const wchar_t *) format, L'%');
+}
/* FORMAT must point to a '%' at the beginning of a spec. Fills in *SPEC
remains the highest argument index used. */
extern size_t __parse_one_specmb (const unsigned char *format, size_t posn,
struct printf_spec *spec,
- size_t *max_ref_arg, mbstate_t *ps)
- attribute_hidden;
+ size_t *max_ref_arg) attribute_hidden;
extern size_t __parse_one_specwc (const unsigned int *format, size_t posn,
struct printf_spec *spec,
size_t *max_ref_arg) attribute_hidden;
+
+
+
+/* This variable is defined in reg-modifier.c. */
+struct printf_modifier_record;
+extern struct printf_modifier_record **__printf_modifier_table
+ attribute_hidden;
+
+/* Handle registered modifiers. */
+extern int __handle_registered_modifier_mb (const unsigned char **format,
+ struct printf_info *info)
+ attribute_hidden;
+extern int __handle_registered_modifier_wc (const unsigned int **format,
+ struct printf_info *info)
+ attribute_hidden;