1 /* Check calls to formatted I/O functions (-Wformat).
2 Copyright (C) 1992-2015 Free Software Foundation, Inc.
4 This file is part of GCC.
6 GCC is free software; you can redistribute it and/or modify it under
7 the terms of the GNU General Public License as published by the Free
8 Software Foundation; either version 3, or (at your option) any later
11 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
12 WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
16 You should have received a copy of the GNU General Public License
17 along with GCC; see the file COPYING3. If not see
18 <http://www.gnu.org/licenses/>. */
22 #include "coretypes.h"
24 #include "c-family/c-common.h"
26 #include "c-family/c-format.h"
28 /* Mingw specific format attributes ms_printf, ms_scanf, and ms_strftime. */
30 static format_length_info ms_printf_length_specs
[] =
32 { "h", FMT_LEN_h
, STD_C89
, NULL
, FMT_LEN_none
, STD_C89
, 0 },
33 { "l", FMT_LEN_l
, STD_C89
, NULL
, FMT_LEN_none
, STD_C89
, 0 },
34 { "I32", FMT_LEN_l
, STD_EXT
, NULL
, FMT_LEN_none
, STD_C89
, 1 },
35 { "I64", FMT_LEN_ll
, STD_EXT
, NULL
, FMT_LEN_none
, STD_C89
, 1 },
36 { "I", FMT_LEN_L
, STD_EXT
, NULL
, FMT_LEN_none
, STD_C89
, 1 },
37 { NULL
, FMT_LEN_none
, STD_C89
, NULL
, FMT_LEN_none
, STD_C89
, 0 }
40 static const format_flag_spec ms_printf_flag_specs
[] =
42 { ' ', 0, 0, N_("' ' flag"), N_("the ' ' printf flag"), STD_C89
},
43 { '+', 0, 0, N_("'+' flag"), N_("the '+' printf flag"), STD_C89
},
44 { '#', 0, 0, N_("'#' flag"), N_("the '#' printf flag"), STD_C89
},
45 { '0', 0, 0, N_("'0' flag"), N_("the '0' printf flag"), STD_C89
},
46 { '-', 0, 0, N_("'-' flag"), N_("the '-' printf flag"), STD_C89
},
47 { '\'', 0, 0, N_("''' flag"), N_("the ''' printf flag"), STD_EXT
},
48 { 'w', 0, 0, N_("field width"), N_("field width in printf format"), STD_C89
},
49 { 'p', 0, 0, N_("precision"), N_("precision in printf format"), STD_C89
},
50 { 'L', 0, 0, N_("length modifier"), N_("length modifier in printf format"), STD_C89
},
51 { 0, 0, 0, NULL
, NULL
, STD_C89
}
54 static const format_flag_pair ms_printf_flag_pairs
[] =
57 { '0', '-', 1, 0 }, { '0', 'p', 1, 'i' },
61 static const format_flag_spec ms_scanf_flag_specs
[] =
63 { '*', 0, 0, N_("assignment suppression"), N_("the assignment suppression scanf feature"), STD_C89
},
64 { 'a', 0, 0, N_("'a' flag"), N_("the 'a' scanf flag"), STD_EXT
},
65 { 'w', 0, 0, N_("field width"), N_("field width in scanf format"), STD_C89
},
66 { 'L', 0, 0, N_("length modifier"), N_("length modifier in scanf format"), STD_C89
},
67 { '\'', 0, 0, N_("''' flag"), N_("the ''' scanf flag"), STD_EXT
},
68 { 0, 0, 0, NULL
, NULL
, STD_C89
}
71 static const format_flag_pair ms_scanf_flag_pairs
[] =
77 static const format_flag_spec ms_strftime_flag_specs
[] =
79 { '#', 0, 0, N_("'#' flag"), N_("the '#' strftime flag"), STD_EXT
},
80 { 0, 0, 0, NULL
, NULL
, STD_C89
}
83 static const format_flag_pair ms_strftime_flag_pairs
[] =
88 static const format_char_info ms_print_char_table
[] =
90 /* C89 conversion specifiers. */
91 { "di", 0, STD_C89
, { T89_I
, BADLEN
, T89_S
, T89_L
, T9L_LL
, T99_SST
, BADLEN
, BADLEN
, BADLEN
, BADLEN
, BADLEN
, BADLEN
}, "-wp0 +'", "i", NULL
},
92 { "oxX", 0, STD_C89
, { T89_UI
, BADLEN
, T89_US
, T89_UL
, T9L_ULL
, T99_ST
, BADLEN
, BADLEN
, BADLEN
, BADLEN
, BADLEN
, BADLEN
}, "-wp0#", "i", NULL
},
93 { "u", 0, STD_C89
, { T89_UI
, BADLEN
, T89_US
, T89_UL
, T9L_ULL
, T99_ST
, BADLEN
, BADLEN
, BADLEN
, BADLEN
, BADLEN
, BADLEN
}, "-wp0'", "i", NULL
},
94 { "fgG", 0, STD_C89
, { T89_D
, BADLEN
, BADLEN
, T99_D
, BADLEN
, BADLEN
, BADLEN
, BADLEN
, BADLEN
, BADLEN
, BADLEN
, BADLEN
}, "-wp0 +#'", "", NULL
},
95 { "eE", 0, STD_C89
, { T89_D
, BADLEN
, BADLEN
, T99_D
, BADLEN
, BADLEN
, BADLEN
, BADLEN
, BADLEN
, BADLEN
, BADLEN
, BADLEN
}, "-wp0 +#", "", NULL
},
96 { "c", 0, STD_C89
, { T89_I
, BADLEN
, T89_S
, T94_WI
, BADLEN
, BADLEN
, BADLEN
, BADLEN
, BADLEN
, BADLEN
, BADLEN
, BADLEN
}, "-w", "", NULL
},
97 { "s", 1, STD_C89
, { T89_C
, BADLEN
, T89_S
, T94_W
, BADLEN
, BADLEN
, BADLEN
, BADLEN
, BADLEN
, BADLEN
, BADLEN
, BADLEN
}, "-wp", "cR", NULL
},
98 { "p", 1, STD_C89
, { T89_V
, BADLEN
, BADLEN
, BADLEN
, BADLEN
, BADLEN
, BADLEN
, BADLEN
, BADLEN
, BADLEN
, BADLEN
, BADLEN
}, "-w", "c", NULL
},
99 { "n", 1, STD_C89
, { T89_I
, BADLEN
, T89_S
, T89_L
, T9L_LL
, BADLEN
, BADLEN
, BADLEN
, T99_IM
, BADLEN
, BADLEN
, BADLEN
}, "", "W", NULL
},
100 /* X/Open conversion specifiers. */
101 { "C", 0, STD_EXT
, { TEX_WI
, BADLEN
, T89_S
, BADLEN
, BADLEN
, BADLEN
, BADLEN
, BADLEN
, BADLEN
, BADLEN
, BADLEN
, BADLEN
}, "-w", "", NULL
},
102 { "S", 1, STD_EXT
, { TEX_W
, BADLEN
, T89_S
, BADLEN
, BADLEN
, BADLEN
, BADLEN
, BADLEN
, BADLEN
, BADLEN
, BADLEN
, BADLEN
}, "-wp", "R", NULL
},
103 { NULL
, 0, STD_C89
, NOLENGTHS
, NULL
, NULL
, NULL
}
106 static const format_char_info ms_scan_char_table
[] =
108 /* C89 conversion specifiers. */
109 { "di", 1, STD_C89
, { T89_I
, BADLEN
, T89_S
, T89_L
, T9L_LL
, T99_SST
, BADLEN
, BADLEN
, BADLEN
, BADLEN
, BADLEN
, BADLEN
}, "*w'", "W", NULL
},
110 { "u", 1, STD_C89
, { T89_UI
, BADLEN
, T89_US
, T89_UL
, T9L_ULL
, T99_ST
, BADLEN
, BADLEN
, BADLEN
, BADLEN
, BADLEN
, BADLEN
}, "*w'", "W", NULL
},
111 { "oxX", 1, STD_C89
, { T89_UI
, BADLEN
, T89_US
, T89_UL
, T9L_ULL
, T99_ST
, BADLEN
, BADLEN
, BADLEN
, BADLEN
, BADLEN
, BADLEN
}, "*w", "W", NULL
},
112 { "efgEG", 1, STD_C89
, { T89_F
, BADLEN
, BADLEN
, T89_D
, BADLEN
, BADLEN
, BADLEN
, BADLEN
, BADLEN
, BADLEN
, BADLEN
, BADLEN
}, "*w'", "W", NULL
},
113 { "c", 1, STD_C89
, { T89_C
, BADLEN
, T89_S
, T94_W
, BADLEN
, BADLEN
, BADLEN
, BADLEN
, BADLEN
, BADLEN
, BADLEN
, BADLEN
}, "*w", "cW", NULL
},
114 { "s", 1, STD_C89
, { T89_C
, BADLEN
, T89_S
, T94_W
, BADLEN
, BADLEN
, BADLEN
, BADLEN
, BADLEN
, BADLEN
, BADLEN
, BADLEN
}, "*aw", "cW", NULL
},
115 { "[", 1, STD_C89
, { T89_C
, BADLEN
, BADLEN
, T94_W
, BADLEN
, BADLEN
, BADLEN
, BADLEN
, BADLEN
, BADLEN
, BADLEN
, BADLEN
}, "*aw", "cW[", NULL
},
116 { "p", 2, STD_C89
, { T89_V
, BADLEN
, BADLEN
, BADLEN
, BADLEN
, BADLEN
, BADLEN
, BADLEN
, BADLEN
, BADLEN
, BADLEN
, BADLEN
}, "*w", "W", NULL
},
117 { "n", 1, STD_C89
, { T89_I
, BADLEN
, T89_S
, T89_L
, T9L_LL
, BADLEN
, BADLEN
, BADLEN
, BADLEN
, BADLEN
, BADLEN
, BADLEN
}, "", "W", NULL
},
118 /* X/Open conversion specifiers. */
119 { "C", 1, STD_EXT
, { TEX_W
, BADLEN
, T89_S
, BADLEN
, BADLEN
, BADLEN
, BADLEN
, BADLEN
, BADLEN
, BADLEN
, BADLEN
, BADLEN
}, "*w", "W", NULL
},
120 { "S", 1, STD_EXT
, { TEX_W
, BADLEN
, T89_S
, BADLEN
, BADLEN
, BADLEN
, BADLEN
, BADLEN
, BADLEN
, BADLEN
, BADLEN
, BADLEN
}, "*aw", "W", NULL
},
121 { NULL
, 0, STD_C89
, NOLENGTHS
, NULL
, NULL
, NULL
}
124 static const format_char_info ms_time_char_table
[] =
126 /* C89 conversion specifiers. */
127 { "ABZab", 0, STD_C89
, NOLENGTHS
, "#", "", NULL
},
128 { "cx", 0, STD_C89
, NOLENGTHS
, "#", "3", NULL
},
129 { "HIMSUWdmw", 0, STD_C89
, NOLENGTHS
, "#", "", NULL
},
130 { "j", 0, STD_C89
, NOLENGTHS
, "#", "", NULL
},
131 { "p", 0, STD_C89
, NOLENGTHS
, "#", "", NULL
},
132 { "X", 0, STD_C89
, NOLENGTHS
, "#", "", NULL
},
133 { "y", 0, STD_C89
, NOLENGTHS
, "#", "4", NULL
},
134 { "Y", 0, STD_C89
, NOLENGTHS
, "#", "", NULL
},
135 { "%", 0, STD_C89
, NOLENGTHS
, "", "", NULL
},
136 /* C99 conversion specifiers. */
137 { "z", 0, STD_C99
, NOLENGTHS
, "#", "", NULL
},
138 { NULL
, 0, STD_C89
, NOLENGTHS
, NULL
, NULL
, NULL
}
141 EXPORTED_CONST format_kind_info mingw_format_attributes
[3] =
143 { "ms_printf", ms_printf_length_specs
, ms_print_char_table
, " +#0-'", NULL
,
144 ms_printf_flag_specs
, ms_printf_flag_pairs
,
145 FMT_FLAG_ARG_CONVERT
|FMT_FLAG_DOLLAR_MULTIPLE
|FMT_FLAG_USE_DOLLAR
|FMT_FLAG_EMPTY_PREC_OK
,
146 'w', 0, 'p', 0, 'L', 0,
147 &integer_type_node
, &integer_type_node
149 { "ms_scanf", ms_printf_length_specs
, ms_scan_char_table
, "*'", NULL
,
150 ms_scanf_flag_specs
, ms_scanf_flag_pairs
,
151 FMT_FLAG_ARG_CONVERT
|FMT_FLAG_SCANF_A_KLUDGE
|FMT_FLAG_USE_DOLLAR
|FMT_FLAG_ZERO_WIDTH_BAD
|FMT_FLAG_DOLLAR_GAP_POINTER_OK
,
152 'w', 0, 0, '*', 'L', 0,
155 { "ms_strftime", NULL
, ms_time_char_table
, "", "#",
156 ms_strftime_flag_specs
, ms_strftime_flag_pairs
,
157 FMT_FLAG_FANCY_PERCENT_OK
, 0, 0, 0, 0, 0, 0,
162 /* Default overrides for printf, scanf and strftime. */
163 EXPORTED_CONST target_ovr_attr mingw_format_attribute_overrides
[4] =
165 { "ms_printf", "printf" },
166 { "ms_scanf", "scanf" },
167 { "ms_strftime", "strftime" }
170 /* Setup for option Wpedantic-ms-format. */
172 #ifdef TARGET_OVERRIDES_FORMAT_INIT
174 /* Make sure TARGET_OVERRIDES_FORMAT_INIT is prototyped. */
175 extern void TARGET_OVERRIDES_FORMAT_INIT (void);
178 #define C89_OR_EXT (warn_pedantic_ms_format ? STD_EXT : STD_C89)
181 TARGET_OVERRIDES_FORMAT_INIT (void)
183 ms_printf_length_specs
[2].std
= C89_OR_EXT
; /* I32 */
184 ms_printf_length_specs
[3].std
= C89_OR_EXT
; /* I64 */
185 ms_printf_length_specs
[4].std
= C89_OR_EXT
; /* I */