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printf-args.c

Absolute File Name:/home/opencoverage/opencoverage/guest-scripts/coreutils/src/lib/printf-args.c
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1/* Decomposed printf argument list.-
2 Copyright (C) 1999, 2002-2003, 2005-2007, 2009-2018 Free Software-
3 Foundation, Inc.-
4-
5 This program is free software; you can redistribute it and/or modify-
6 it under the terms of the GNU General Public License as published by-
7 the Free Software Foundation; either version 3, or (at your option)-
8 any later version.-
9-
10 This program is distributed in the hope that it will be useful,-
11 but WITHOUT ANY WARRANTY; without even the implied warranty of-
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the-
13 GNU General Public License for more details.-
14-
15 You should have received a copy of the GNU General Public License along-
16 with this program; if not, see <https://www.gnu.org/licenses/>. */-
17-
18/* This file can be parametrized with the following macros:-
19 ENABLE_UNISTDIO Set to 1 to enable the unistdio extensions.-
20 PRINTF_FETCHARGS Name of the function to be defined.-
21 STATIC Set to 'static' to declare the function static. */-
22-
23#ifndef PRINTF_FETCHARGS-
24# include <config.h>-
25#endif-
26-
27/* Specification. */-
28#ifndef PRINTF_FETCHARGS-
29# include "printf-args.h"-
30#endif-
31-
32#ifdef STATIC-
33STATIC-
34#endif-
35int-
36PRINTF_FETCHARGS (va_list args, arguments *a)-
37{-
38 size_t i;-
39 argument *ap;-
40-
41 for (i = 0, ap = &a->arg[0]; i < a->count; i++, ap++)
i < a->countDescription
TRUEnever evaluated
FALSEnever evaluated
0
42 switch (ap->type)-
43 {-
44 case TYPE_SCHAR:
never executed: case TYPE_SCHAR:
0
45 ap->a.a_schar = va_arg (args, /*signed char*/ int);-
46 break;
never executed: break;
0
47 case TYPE_UCHAR:
never executed: case TYPE_UCHAR:
0
48 ap->a.a_uchar = va_arg (args, /*unsigned char*/ int);-
49 break;
never executed: break;
0
50 case TYPE_SHORT:
never executed: case TYPE_SHORT:
0
51 ap->a.a_short = va_arg (args, /*short*/ int);-
52 break;
never executed: break;
0
53 case TYPE_USHORT:
never executed: case TYPE_USHORT:
0
54 ap->a.a_ushort = va_arg (args, /*unsigned short*/ int);-
55 break;
never executed: break;
0
56 case TYPE_INT:
never executed: case TYPE_INT:
0
57 ap->a.a_int = va_arg (args, int);-
58 break;
never executed: break;
0
59 case TYPE_UINT:
never executed: case TYPE_UINT:
0
60 ap->a.a_uint = va_arg (args, unsigned int);-
61 break;
never executed: break;
0
62 case TYPE_LONGINT:
never executed: case TYPE_LONGINT:
0
63 ap->a.a_longint = va_arg (args, long int);-
64 break;
never executed: break;
0
65 case TYPE_ULONGINT:
never executed: case TYPE_ULONGINT:
0
66 ap->a.a_ulongint = va_arg (args, unsigned long int);-
67 break;
never executed: break;
0
68#if HAVE_LONG_LONG_INT-
69 case TYPE_LONGLONGINT:
never executed: case TYPE_LONGLONGINT:
0
70 ap->a.a_longlongint = va_arg (args, long long int);-
71 break;
never executed: break;
0
72 case TYPE_ULONGLONGINT:
never executed: case TYPE_ULONGLONGINT:
0
73 ap->a.a_ulonglongint = va_arg (args, unsigned long long int);-
74 break;
never executed: break;
0
75#endif-
76 case TYPE_DOUBLE:
never executed: case TYPE_DOUBLE:
0
77 ap->a.a_double = va_arg (args, double);-
78 break;
never executed: break;
0
79 case TYPE_LONGDOUBLE:
never executed: case TYPE_LONGDOUBLE:
0
80 ap->a.a_longdouble = va_arg (args, long double);-
81 break;
never executed: break;
0
82 case TYPE_CHAR:
never executed: case TYPE_CHAR:
0
83 ap->a.a_char = va_arg (args, int);-
84 break;
never executed: break;
0
85#if HAVE_WINT_T-
86 case TYPE_WIDE_CHAR:
never executed: case TYPE_WIDE_CHAR:
0
87 /* Although ISO C 99 7.24.1.(2) says that wint_t is "unchanged by-
88 default argument promotions", this is not the case in mingw32,-
89 where wint_t is 'unsigned short'. */-
90 ap->a.a_wide_char =-
91 (sizeof (wint_t) < sizeof (int)
sizeof (wint_t) < sizeof (int)Description
TRUEnever evaluated
FALSEnever evaluated
0
92 ? (wint_t) va_arg (args, int)-
93 : va_arg (args, wint_t));-
94 break;
never executed: break;
0
95#endif-
96 case TYPE_STRING:
never executed: case TYPE_STRING:
0
97 ap->a.a_string = va_arg (args, const char *);-
98 /* A null pointer is an invalid argument for "%s", but in practice-
99 it occurs quite frequently in printf statements that produce-
100 debug output. Use a fallback in this case. */-
101 if (ap->a.a_string == NULL)
ap->a.a_string == ((void *)0)Description
TRUEnever evaluated
FALSEnever evaluated
0
102 ap->a.a_string = "(NULL)";
never executed: ap->a.a_string = "(NULL)";
0
103 break;
never executed: break;
0
104#if HAVE_WCHAR_T-
105 case TYPE_WIDE_STRING:
never executed: case TYPE_WIDE_STRING:
0
106 ap->a.a_wide_string = va_arg (args, const wchar_t *);-
107 /* A null pointer is an invalid argument for "%ls", but in practice-
108 it occurs quite frequently in printf statements that produce-
109 debug output. Use a fallback in this case. */-
110 if (ap->a.a_wide_string == NULL)
ap->a.a_wide_s...== ((void *)0)Description
TRUEnever evaluated
FALSEnever evaluated
0
111 {-
112 static const wchar_t wide_null_string[] =-
113 {-
114 (wchar_t)'(',-
115 (wchar_t)'N', (wchar_t)'U', (wchar_t)'L', (wchar_t)'L',-
116 (wchar_t)')',-
117 (wchar_t)0-
118 };-
119 ap->a.a_wide_string = wide_null_string;-
120 }
never executed: end of block
0
121 break;
never executed: break;
0
122#endif-
123 case TYPE_POINTER:
never executed: case TYPE_POINTER:
0
124 ap->a.a_pointer = va_arg (args, void *);-
125 break;
never executed: break;
0
126 case TYPE_COUNT_SCHAR_POINTER:
never executed: case TYPE_COUNT_SCHAR_POINTER:
0
127 ap->a.a_count_schar_pointer = va_arg (args, signed char *);-
128 break;
never executed: break;
0
129 case TYPE_COUNT_SHORT_POINTER:
never executed: case TYPE_COUNT_SHORT_POINTER:
0
130 ap->a.a_count_short_pointer = va_arg (args, short *);-
131 break;
never executed: break;
0
132 case TYPE_COUNT_INT_POINTER:
never executed: case TYPE_COUNT_INT_POINTER:
0
133 ap->a.a_count_int_pointer = va_arg (args, int *);-
134 break;
never executed: break;
0
135 case TYPE_COUNT_LONGINT_POINTER:
never executed: case TYPE_COUNT_LONGINT_POINTER:
0
136 ap->a.a_count_longint_pointer = va_arg (args, long int *);-
137 break;
never executed: break;
0
138#if HAVE_LONG_LONG_INT-
139 case TYPE_COUNT_LONGLONGINT_POINTER:
never executed: case TYPE_COUNT_LONGLONGINT_POINTER:
0
140 ap->a.a_count_longlongint_pointer = va_arg (args, long long int *);-
141 break;
never executed: break;
0
142#endif-
143#if ENABLE_UNISTDIO-
144 /* The unistdio extensions. */-
145 case TYPE_U8_STRING:-
146 ap->a.a_u8_string = va_arg (args, const uint8_t *);-
147 /* A null pointer is an invalid argument for "%U", but in practice-
148 it occurs quite frequently in printf statements that produce-
149 debug output. Use a fallback in this case. */-
150 if (ap->a.a_u8_string == NULL)-
151 {-
152 static const uint8_t u8_null_string[] =-
153 { '(', 'N', 'U', 'L', 'L', ')', 0 };-
154 ap->a.a_u8_string = u8_null_string;-
155 }-
156 break;-
157 case TYPE_U16_STRING:-
158 ap->a.a_u16_string = va_arg (args, const uint16_t *);-
159 /* A null pointer is an invalid argument for "%lU", but in practice-
160 it occurs quite frequently in printf statements that produce-
161 debug output. Use a fallback in this case. */-
162 if (ap->a.a_u16_string == NULL)-
163 {-
164 static const uint16_t u16_null_string[] =-
165 { '(', 'N', 'U', 'L', 'L', ')', 0 };-
166 ap->a.a_u16_string = u16_null_string;-
167 }-
168 break;-
169 case TYPE_U32_STRING:-
170 ap->a.a_u32_string = va_arg (args, const uint32_t *);-
171 /* A null pointer is an invalid argument for "%llU", but in practice-
172 it occurs quite frequently in printf statements that produce-
173 debug output. Use a fallback in this case. */-
174 if (ap->a.a_u32_string == NULL)-
175 {-
176 static const uint32_t u32_null_string[] =-
177 { '(', 'N', 'U', 'L', 'L', ')', 0 };-
178 ap->a.a_u32_string = u32_null_string;-
179 }-
180 break;-
181#endif-
182 default:
never executed: default:
0
183 /* Unknown type. */-
184 return -1;
never executed: return -1;
0
185 }-
186 return 0;
never executed: return 0;
0
187}-
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