gcc/testsuite/gcc.dg/format/format.h

   1 /* Format checking tests: common header.  */
   2 /* Origin: Joseph Myers <jsm28@cam.ac.uk> */
   3
   4 #include <stdarg.h>
   5 #include <stddef.h>
   6
   7 #ifndef _WINT_T
   8 #ifndef __WINT_TYPE__
   9 #define __WINT_TYPE__ unsigned int
  10 #endif
  11 typedef __WINT_TYPE__ wint_t;
  12 #endif
  13
  14 /* Kludges to get types corresponding to size_t and ptrdiff_t.  */
  15 #define unsigned signed
  16 typedef __SIZE_TYPE__ signed_size_t;
  17 /* We also use this type to approximate ssize_t.  */
  18 typedef __SIZE_TYPE__ ssize_t;
  19 #undef unsigned
  20 #define signed /* Type might or might not have explicit 'signed'.  */
  21 typedef unsigned __PTRDIFF_TYPE__ unsigned_ptrdiff_t;
  22 #undef signed
  23
  24 __extension__ typedef long long int llong;
  25 __extension__ typedef unsigned long long int ullong;
  26
  27 /* %q formats want a "quad"; GCC considers this to be a long long.  */
  28 typedef llong quad_t;
  29 typedef ullong u_quad_t;
  30
  31 /* This next definition is a kludge.  When GCC has a <stdint.h> it
  32    should be used.
  33 */
  34 /* (T *) if E is zero, (void *) otherwise.  */
  35 #define type_if_not(T, E) __typeof__(0 ? (T *)0 : (void *)(E))
  36
  37 /* (T *) if E is nonzero, (void *) otherwise.  */
  38 #define type_if(T, E) type_if_not(T, !(E))
  39
  40 /* Combine pointer types, all but one (void *).  */
  41 #define type_comb2(T1, T2) __typeof__(0 ? (T1)0 : (T2)0)
  42 #define type_comb3(T1, T2, T3) type_comb2(T1, type_comb2(T2, T3))
  43
  44 #define maybe_int_ptr type_if(int, sizeof(int) == sizeof(llong))
  45 #define maybe_uint_ptr type_if(unsigned int, sizeof(unsigned int) == sizeof(ullong))
  46 #define maybe_long_ptr type_if(long, sizeof(long) == sizeof(llong) && sizeof(long) > sizeof(int))
  47 #define maybe_ulong_ptr type_if(unsigned long, sizeof(unsigned long) == sizeof(ullong) && sizeof(unsigned long) > sizeof(unsigned int))
  48 #define maybe_long_long_ptr type_if(llong, sizeof(llong) > sizeof(long))
  49 #define maybe_ulong_long_ptr type_if(ullong, sizeof(ullong) > sizeof(unsigned long))
  50
  51 #define intmax_type_ptr type_comb3(maybe_int_ptr, maybe_long_ptr, maybe_long_long_ptr)
  52 #define uintmax_type_ptr type_comb3(maybe_uint_ptr, maybe_ulong_ptr, maybe_ulong_long_ptr)
  53
  54 typedef __typeof__(*((intmax_type_ptr)0)) intmax_t;
  55 typedef __typeof__(*((uintmax_type_ptr)0)) uintmax_t;
  56
  57 #if __STDC_VERSION__ < 199901L
  58 #define restrict /* "restrict" not in old C standard.  */
  59 #endif
  60
  61 /* This may not be correct in the particular case, but allows the
  62    prototypes to be declared, and we don't try to link.
  63 */
  64 typedef struct _FILE FILE;
  65 extern FILE *stdin;
  66 extern FILE *stdout;
  67
  68 extern int fprintf (FILE *restrict, const char *restrict, ...);
  69 extern int printf (const char *restrict, ...);
  70 extern int fprintf_unlocked (FILE *restrict, const char *restrict, ...);
  71 extern int printf_unlocked (const char *restrict, ...);
  72 extern int sprintf (char *restrict, const char *restrict, ...);
  73 extern int vfprintf (FILE *restrict, const char *restrict, va_list);
  74 extern int vprintf (const char *restrict, va_list);
  75 extern int vsprintf (char *restrict, const char *restrict, va_list);
  76 extern int snprintf (char *restrict, size_t, const char *restrict, ...);
  77 extern int vsnprintf (char *restrict, size_t, const char *restrict, va_list);
  78
  79 extern int fscanf (FILE *restrict, const char *restrict, ...);
  80 extern int scanf (const char *restrict, ...);
  81 extern int sscanf (const char *restrict, const char *restrict, ...);
  82 extern int vfscanf (FILE *restrict, const char *restrict, va_list);
  83 extern int vscanf (const char *restrict, va_list);
  84 extern int vsscanf (const char *restrict, const char *restrict, va_list);
  85
  86 extern char *gettext (const char *);
  87 extern char *dgettext (const char *, const char *);
  88 extern char *dcgettext (const char *, const char *, int);
  89
  90 struct tm;
  91
  92 extern size_t strftime (char *restrict, size_t, const char *restrict,
  93                         const struct tm *restrict);
  94
  95 extern ssize_t strfmon (char *restrict, size_t, const char *restrict, ...);