include/printf.h

   1 #ifndef _PRINTF_H
   2
   3 /* Workaround PR90731 with GCC 9 when using ldbl redirects in C++.  */
   4 #include <bits/floatn.h>
   5 #if defined __cplusplus && __LDOUBLE_REDIRECTS_TO_FLOAT128_ABI == 1
   6 # if __GNUC_PREREQ (9, 0) && !__GNUC_PREREQ (9, 3)
   7 #   pragma GCC system_header
   8 # endif
   9 #endif
  10
  11 #include <stdio-common/printf.h>
  12
  13 # ifndef _ISOMAC
  14
  15 /* Internal interfaces for registered specifiers.  */
  16 extern printf_arginfo_size_function **__printf_arginfo_table attribute_hidden;
  17 extern printf_function **__printf_function_table attribute_hidden;
  18 extern printf_va_arg_function **__printf_va_arg_table attribute_hidden;
  19 int __register_printf_specifier (int, printf_function,
  20                                  printf_arginfo_size_function);
  21 libc_hidden_proto (__register_printf_specifier)
  22
  23 /* The various kinds of arguments that can be passed to printf.  */
  24 union printf_arg
  25   {
  26     wchar_t pa_wchar;
  27     int pa_int;
  28     long int pa_long_int;
  29     long long int pa_long_long_int;
  30     unsigned int pa_u_int;
  31     unsigned long int pa_u_long_int;
  32     unsigned long long int pa_u_long_long_int;
  33     double pa_double;
  34     long double pa_long_double;
  35 #if __HAVE_FLOAT128_UNLIKE_LDBL
  36     _Float128 pa_float128;
  37 #endif
  38     const char *pa_string;
  39     const wchar_t *pa_wstring;
  40     void *pa_pointer;
  41     void *pa_user;
  42 };
  43
  44 /* Invoke a registered printf callback.  Called from vfprintf and vfwprintf.  */
  45 int __printf_function_invoke (void *, printf_function callback,
  46                               union printf_arg *args_value,
  47                               size_t ndata_args,
  48                               struct printf_info *info) attribute_hidden;
  49 int __wprintf_function_invoke (void *, printf_function callback,
  50                                union printf_arg *args_value,
  51                                size_t ndata_args,
  52                                struct printf_info *info) attribute_hidden;
  53
  54 #include <bits/types/locale_t.h>
  55
  56 /* Returns the width (as for printf, in bytes) of the converted ASCII
  57    number in the characters in the range [FIRST, LAST).  The range
  58    must only contain ASCII digits.  The caller is responsible for
  59    avoiding overflow.
  60
  61    This function is used during non-wide digit translation.  Wide
  62    digit translate produces one wide character per ASCII digit,
  63    so the width is simply LAST - FIRST.  */
  64 int __translated_number_width (locale_t loc,
  65                                const char *first, const char *last)
  66   attribute_hidden;
  67
  68
  69 struct __printf_buffer;
  70 void __printf_buffer (struct __printf_buffer *buf, const char *format,
  71                       va_list ap, unsigned int mode_flags);
  72 struct __wprintf_buffer;
  73 void __wprintf_buffer (struct __wprintf_buffer *buf, const wchar_t *format,
  74                        va_list ap, unsigned int mode_flags);
  75
  76 extern int __printf_fp (FILE *, const struct printf_info *,
  77                         const void *const *);
  78 libc_hidden_proto (__printf_fp)
  79
  80 void __printf_fphex_l_buffer (struct __printf_buffer *, locale_t,
  81                               const struct printf_info *,
  82                               const void *const *) attribute_hidden;
  83 void __printf_fp_l_buffer (struct __printf_buffer *, locale_t,
  84                            const struct printf_info *,
  85                            const void *const *) attribute_hidden;
  86 struct __wprintf_buffer;
  87 void __wprintf_fphex_l_buffer (struct __wprintf_buffer *, locale_t,
  88                                const struct printf_info *,
  89                                const void *const *) attribute_hidden;
  90 void __wprintf_fp_l_buffer (struct __wprintf_buffer *, locale_t,
  91                             const struct printf_info *,
  92                             const void *const *) attribute_hidden;
  93
  94 # endif /* !_ISOMAC */
  95 #endif