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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [config/] [i386/] [msformat-c.c] - Blame information for rev 282

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1 282 jeremybenn 
/* Check calls to formatted I/O functions (-Wformat).
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   Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
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   2001, 2002, 2003, 2004, 2005, 2007, 2008, 2010
4 
   Free Software Foundation, Inc.
5 
 
6 
This file is part of GCC.
7 
 
8 
GCC is free software; you can redistribute it and/or modify it under
9 
the terms of the GNU General Public License as published by the Free
10 
Software Foundation; either version 3, or (at your option) any later
11 
version.
12 
 
13 
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING3.  If not see
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<http://www.gnu.org/licenses/>.  */
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22 
#include "config.h"
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#include "system.h"
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#include "coretypes.h"
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#include "tm.h"
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#include "tree.h"
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#include "flags.h"
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#include "c-common.h"
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#include "toplev.h"
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#include "intl.h"
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#include "diagnostic.h"
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#include "langhooks.h"
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#include "c-format.h"
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#include "alloc-pool.h"
35 
 
36 
/* Mingw specific format attributes ms_printf, ms_scanf, and ms_strftime.  */
37 
 
38 
static format_length_info ms_printf_length_specs[] =
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{
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  { "h", FMT_LEN_h, STD_C89, NULL, FMT_LEN_none, STD_C89, 0 },
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  { "l", FMT_LEN_l, STD_C89, NULL, FMT_LEN_none, STD_C89, 0 },
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  { "I32", FMT_LEN_l, STD_EXT, NULL, FMT_LEN_none, STD_C89, 1 },
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  { "I64", FMT_LEN_ll, STD_EXT, NULL, FMT_LEN_none, STD_C89, 1 },
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  { "I", FMT_LEN_L, STD_EXT, NULL, FMT_LEN_none, STD_C89, 1 },
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  { NULL, FMT_LEN_none, STD_C89, NULL, FMT_LEN_none, STD_C89, 0 }
46 
};
47 
 
48 
static const format_flag_spec ms_printf_flag_specs[] =
49 
{
50 
  { ' ',  0, 0, N_("' ' flag"),        N_("the ' ' printf flag"),              STD_C89 },
51 
  { '+',  0, 0, N_("'+' flag"),        N_("the '+' printf flag"),              STD_C89 },
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  { '#',  0, 0, N_("'#' flag"),        N_("the '#' printf flag"),              STD_C89 },
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  { '0',  0, 0, N_("'0' flag"),        N_("the '0' printf flag"),              STD_C89 },
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  { '-',  0, 0, N_("'-' flag"),        N_("the '-' printf flag"),              STD_C89 },
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  { '\'', 0, 0, N_("''' flag"),        N_("the ''' printf flag"),              STD_EXT },
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  { 'w',  0, 0, N_("field width"),     N_("field width in printf format"),     STD_C89 },
57 
  { 'p',  0, 0, N_("precision"),       N_("precision in printf format"),       STD_C89 },
58 
  { 'L',  0, 0, N_("length modifier"), N_("length modifier in printf format"), STD_C89 },
59 
  { 0, 0, 0, NULL, NULL, STD_C89 }
60 
};
61 
 
62 
static const format_flag_pair ms_printf_flag_pairs[] =
63 
{
64 
  { ' ', '+', 1, 0   },
65 
  { '0', '-', 1, 0   }, { '0', 'p', 1, 'i' },
66 
  { 0, 0, 0, 0 }
67 
};
68 
 
69 
static const format_flag_spec ms_scanf_flag_specs[] =
70 
{
71 
  { '*',  0, 0, N_("assignment suppression"), N_("the assignment suppression scanf feature"), STD_C89 },
72 
  { 'a',  0, 0, N_("'a' flag"),               N_("the 'a' scanf flag"),                       STD_EXT },
73 
  { 'w',  0, 0, N_("field width"),            N_("field width in scanf format"),              STD_C89 },
74 
  { 'L',  0, 0, N_("length modifier"),        N_("length modifier in scanf format"),          STD_C89 },
75 
  { '\'', 0, 0, N_("''' flag"),               N_("the ''' scanf flag"),                       STD_EXT },
76 
  { 0, 0, 0, NULL, NULL, STD_C89 }
77 
};
78 
 
79 
static const format_flag_pair ms_scanf_flag_pairs[] =
80 
{
81 
  { '*', 'L', 0, 0 },
82 
  { 0, 0, 0, 0 }
83 
};
84 
 
85 
static const format_flag_spec ms_strftime_flag_specs[] =
86 
{
87 
  { '#', 0,   0, N_("'#' flag"),     N_("the '#' strftime flag"),          STD_EXT },
88 
  { 0, 0, 0, NULL, NULL, STD_C89 }
89 
};
90 
 
91 
static const format_flag_pair ms_strftime_flag_pairs[] =
92 
{
93 
  { 0, 0, 0, 0 }
94 
};
95 
 
96 
static const format_char_info ms_print_char_table[] =
97 
{
98 
  /* C89 conversion specifiers.  */
99 
  { "di",  0, STD_C89, { T89_I,   BADLEN,  T89_S,   T89_L,   T9L_LL,  T99_SST,  BADLEN, BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN  }, "-wp0 +'",  "i",  NULL },
100 
  { "oxX", 0, STD_C89, { T89_UI,  BADLEN,  T89_US,  T89_UL,  T9L_ULL, T99_ST, BADLEN, BADLEN, BADLEN, BADLEN,  BADLEN,  BADLEN }, "-wp0#",     "i",  NULL },
101 
  { "u",   0, STD_C89, { T89_UI,  BADLEN,  T89_US,  T89_UL,  T9L_ULL, T99_ST, BADLEN, BADLEN, BADLEN, BADLEN,  BADLEN,  BADLEN }, "-wp0'",    "i",  NULL },
102 
  { "fgG", 0, STD_C89, { T89_D,   BADLEN,  BADLEN,  T99_D,   BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN, BADLEN, BADLEN }, "-wp0 +#'", "",   NULL },
103 
  { "eE",  0, STD_C89, { T89_D,   BADLEN,  BADLEN,  T99_D,   BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN, BADLEN, BADLEN }, "-wp0 +#",  "",   NULL },
104 
  { "c",   0, STD_C89, { T89_I,   BADLEN,  T89_S,  T94_WI,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN }, "-w",        "",   NULL },
105 
  { "s",   1, STD_C89, { T89_C,   BADLEN,  T89_S,  T94_W,   BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN }, "-wp",       "cR", NULL },
106 
  { "p",   1, STD_C89, { T89_V,   BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN }, "-w",        "c",  NULL },
107 
  { "n",   1, STD_C89, { T89_I,   BADLEN,  T89_S,   T89_L,   T9L_LL,  BADLEN,  BADLEN, BADLEN,  T99_IM,  BADLEN,  BADLEN,  BADLEN }, "",          "W",  NULL },
108 
  /* X/Open conversion specifiers.  */
109 
  { "C",   0, STD_EXT, { TEX_WI,  BADLEN,  T89_S,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN }, "-w",        "",   NULL },
110 
  { "S",   1, STD_EXT, { TEX_W,   BADLEN,  T89_S,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN }, "-wp",       "R",  NULL },
111 
  { NULL,  0, STD_C89, NOLENGTHS, NULL, NULL, NULL }
112 
};
113 
 
114 
static const format_char_info ms_scan_char_table[] =
115 
{
116 
  /* C89 conversion specifiers.  */
117 
  { "di",    1, STD_C89, { T89_I,   BADLEN,  T89_S,   T89_L,   T9L_LL,  T99_SST,  BADLEN, BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN }, "*w'", "W",   NULL },
118 
  { "u",     1, STD_C89, { T89_UI,  BADLEN,  T89_US,  T89_UL,  T9L_ULL, T99_ST, BADLEN,  BADLEN, BADLEN, BADLEN,  BADLEN,  BADLEN }, "*w'", "W",   NULL },
119 
  { "oxX",   1, STD_C89, { T89_UI,  BADLEN,  T89_US,  T89_UL,  T9L_ULL, T99_ST, BADLEN,  BADLEN, BADLEN, BADLEN,  BADLEN,  BADLEN }, "*w",   "W",   NULL },
120 
  { "efgEG", 1, STD_C89, { T89_F,   BADLEN,  BADLEN,  T89_D,   BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN, BADLEN, BADLEN }, "*w'",  "W",   NULL },
121 
  { "c",     1, STD_C89, { T89_C,   BADLEN,  T89_S,  T94_W,   BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN }, "*w",   "cW",  NULL },
122 
  { "s",     1, STD_C89, { T89_C,   BADLEN,  T89_S,  T94_W,   BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN }, "*aw",  "cW",  NULL },
123 
  { "[",     1, STD_C89, { T89_C,   BADLEN,  BADLEN,  T94_W,   BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN }, "*aw",  "cW[", NULL },
124 
  { "p",     2, STD_C89, { T89_V,   BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN }, "*w",   "W",   NULL },
125 
  { "n",     1, STD_C89, { T89_I,   BADLEN,  T89_S,   T89_L,   T9L_LL,  BADLEN,  BADLEN, BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN }, "",     "W",   NULL },
126 
  /* X/Open conversion specifiers.  */
127 
  { "C",     1, STD_EXT, { TEX_W,   BADLEN,  T89_S,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN }, "*w",   "W",   NULL },
128 
  { "S",     1, STD_EXT, { TEX_W,   BADLEN,  T89_S,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN }, "*aw",  "W",   NULL },
129 
  { NULL, 0, STD_C89, NOLENGTHS, NULL, NULL, NULL }
130 
};
131 
 
132 
static const format_char_info ms_time_char_table[] =
133 
{
134 
  /* C89 conversion specifiers.  */
135 
  { "ABZab",            0, STD_C89, NOLENGTHS, "#",     "",   NULL },
136 
  { "cx",               0, STD_C89, NOLENGTHS, "#",      "3",  NULL },
137 
  { "HIMSUWdmw",        0, STD_C89, NOLENGTHS, "#",  "",   NULL },
138 
  { "j",                0, STD_C89, NOLENGTHS, "#",  "",  NULL },
139 
  { "p",                0, STD_C89, NOLENGTHS, "#",      "",   NULL },
140 
  { "X",                0, STD_C89, NOLENGTHS, "#",      "",   NULL },
141 
  { "y",                0, STD_C89, NOLENGTHS, "#", "4",  NULL },
142 
  { "Y",                0, STD_C89, NOLENGTHS, "#", "",  NULL },
143 
  { "%",                0, STD_C89, NOLENGTHS, "",       "",   NULL },
144 
  /* C99 conversion specifiers.  */
145 
  { "z",                0, STD_C99, NOLENGTHS, "#",      "",  NULL },
146 
  { NULL,               0, STD_C89, NOLENGTHS, NULL, NULL, NULL }
147 
};
148 
 
149 
EXPORTED_CONST format_kind_info mingw_format_attributes[3] =
150 
{
151 
  { "ms_printf",   ms_printf_length_specs,  ms_print_char_table, " +#0-'", NULL,
152 
    ms_printf_flag_specs, ms_printf_flag_pairs,
153 
    FMT_FLAG_ARG_CONVERT|FMT_FLAG_DOLLAR_MULTIPLE|FMT_FLAG_USE_DOLLAR|FMT_FLAG_EMPTY_PREC_OK,
154 
    'w', 0, 'p', 0, 'L', 0,
155 
    &integer_type_node, &integer_type_node
156 
  },
157 
  { "ms_scanf",    ms_printf_length_specs,   ms_scan_char_table,  "*'", NULL,
158 
    ms_scanf_flag_specs, ms_scanf_flag_pairs,
159 
    FMT_FLAG_ARG_CONVERT|FMT_FLAG_SCANF_A_KLUDGE|FMT_FLAG_USE_DOLLAR|FMT_FLAG_ZERO_WIDTH_BAD|FMT_FLAG_DOLLAR_GAP_POINTER_OK,
160 
    'w', 0, 0, '*', 'L', 0,
161 
    NULL, NULL
162 
  },
163 
  { "ms_strftime", NULL,                 ms_time_char_table,  "", "#",
164 
    ms_strftime_flag_specs, ms_strftime_flag_pairs,
165 
    FMT_FLAG_FANCY_PERCENT_OK, 0, 0, 0, 0, 0, 0,
166 
    NULL, NULL
167 
  }
168 
};
169 
 
170 
/* Default overrides for printf, scanf and strftime.  */
171 
EXPORTED_CONST target_ovr_attr mingw_format_attribute_overrides[4] =
172 
{
173 
  { "ms_printf", "printf" },
174 
  { "ms_scanf", "scanf" },
175 
  { "ms_strftime", "strftime" }
176 
};
177 
 
178 
/* Setup for option Wpedantic-ms-format.  */
179 
 
180 
#ifdef TARGET_OVERRIDES_FORMAT_INIT
181 
 
182 
/* Make sure TARGET_OVERRIDES_FORMAT_INIT is prototyped.  */
183 
extern void TARGET_OVERRIDES_FORMAT_INIT (void);
184 
 
185 
/* Helper.  */
186 
#define C89_OR_EXT (warn_pedantic_ms_format ? STD_EXT : STD_C89)
187 
 
188 
void
189 
TARGET_OVERRIDES_FORMAT_INIT (void)
190 
{
191 
  ms_printf_length_specs[2].std = C89_OR_EXT; /* I32 */
192 
  ms_printf_length_specs[3].std = C89_OR_EXT; /* I64 */
193 
  ms_printf_length_specs[4].std = C89_OR_EXT; /* I */
194 
}
195 
 
196 
#undef C89_OR_EXT
197 
 
198 
#endif

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