1 /* Copyright (C) 1991,92,95,96,99,2000,2002,2003 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, write to the Free
16 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
24 #include <sys/param.h>
26 #include "../locale/localeinfo.h"
28 #ifndef COMPILE_WPRINTF
30 # define UCHAR_T unsigned char
33 # define ISDIGIT(Ch) isdigit (Ch)
34 # define ISASCII(Ch) isascii (Ch)
35 # define MBRLEN(Cp, L, St) __mbrlen (Cp, L, St)
38 # define PUT(F, S, N) _IO_sputn (F, S, N)
39 # define PAD(Padchar) \
41 done += INTUSE(_IO_padn) (s, Padchar, width)
43 # define PUTC(C, F) putc (C, F)
44 ssize_t __printf_pad
__P ((FILE *, char pad
, size_t n
));
45 # define PAD(Padchar) \
47 { if (__printf_pad (s, Padchar, width) == -1) \
48 return -1; else done += width; }
51 # define vfprintf vfwprintf
52 # define CHAR_T wchar_t
53 # define UCHAR_T uwchar_t
55 # define L_(Str) L##Str
56 # define ISDIGIT(Ch) iswdigit (Ch)
59 # define PUT(F, S, N) _IO_sputn (F, S, N)
60 # define PAD(Padchar) \
62 done += _IO_wpadn (s, Padchar, width)
64 # define PUTC(C, F) wputc (C, F)
65 ssize_t __wprintf_pad
__P ((FILE *, wchar_t pad
, size_t n
));
66 # define PAD(Padchar) \
68 { if (__wprintf_pad (s, Padchar, width) == -1) \
69 return -1; else done += width; }
73 #define DONT_NEED_READ_INT
74 #include "printf-parse.h"
78 parse_printf_format (fmt
, n
, argtypes
)
83 size_t nargs
; /* Number of arguments. */
84 size_t max_ref_arg
; /* Highest index used in a positional arg. */
85 struct printf_spec spec
;
91 /* Search for format specifications. */
92 for (fmt
= __find_specmb (fmt
, &mbstate
); *fmt
!= '\0'; fmt
= spec
.next_fmt
)
94 /* Parse this spec. */
95 nargs
+= __parse_one_specmb (fmt
, nargs
, &spec
, &max_ref_arg
, &mbstate
);
97 /* If the width is determined by an argument this is an int. */
98 if (spec
.width_arg
!= -1 && (size_t) spec
.width_arg
< n
)
99 argtypes
[spec
.width_arg
] = PA_INT
;
101 /* If the precision is determined by an argument this is an int. */
102 if (spec
.prec_arg
!= -1 && (size_t) spec
.prec_arg
< n
)
103 argtypes
[spec
.prec_arg
] = PA_INT
;
105 if ((size_t) spec
.data_arg
< n
)
106 switch (spec
.ndata_args
)
108 case 0: /* No arguments. */
110 case 1: /* One argument; we already have the type. */
111 argtypes
[spec
.data_arg
] = spec
.data_arg_type
;
114 /* We have more than one argument for this format spec. We must
115 call the arginfo function again to determine all the types. */
116 (void) (*__printf_arginfo_table
[spec
.info
.spec
])
117 (&spec
.info
, n
- spec
.data_arg
, &argtypes
[spec
.data_arg
]);
122 return MAX (nargs
, max_ref_arg
);