summaryrefslogtreecommitdiff
path: root/lib/warnless.c
blob: bc29d28df6a60e4e58afc23e2f118911ee4271d9 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
/***************************************************************************
 *                                  _   _ ____  _
 *  Project                     ___| | | |  _ \| |
 *                             / __| | | | |_) | |
 *                            | (__| |_| |  _ <| |___
 *                             \___|\___/|_| \_\_____|
 *
 * Copyright (C) 1998 - 2010, Daniel Stenberg, <daniel@haxx.se>, et al.
 *
 * This software is licensed as described in the file COPYING, which
 * you should have received as part of this distribution. The terms
 * are also available at http://curl.haxx.se/docs/copyright.html.
 *
 * You may opt to use, copy, modify, merge, publish, distribute and/or sell
 * copies of the Software, and permit persons to whom the Software is
 * furnished to do so, under the terms of the COPYING file.
 *
 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
 * KIND, either express or implied.
 *
 ***************************************************************************/

#include "setup.h"

#include "warnless.h"

#define CURL_MASK_SCHAR  0x7F
#define CURL_MASK_UCHAR  0xFF

#if (SIZEOF_SHORT == 2)
#  define CURL_MASK_SSHORT  0x7FFF
#  define CURL_MASK_USHORT  0xFFFF
#elif (SIZEOF_SHORT == 4)
#  define CURL_MASK_SSHORT  0x7FFFFFFF
#  define CURL_MASK_USHORT  0xFFFFFFFF
#elif (SIZEOF_SHORT == 8)
#  define CURL_MASK_SSHORT  0x7FFFFFFFFFFFFFFF
#  define CURL_MASK_USHORT  0xFFFFFFFFFFFFFFFF
#else
#  error "SIZEOF_SHORT not defined"
#endif

#if (SIZEOF_INT == 2)
#  define CURL_MASK_SINT  0x7FFF
#  define CURL_MASK_UINT  0xFFFF
#elif (SIZEOF_INT == 4)
#  define CURL_MASK_SINT  0x7FFFFFFF
#  define CURL_MASK_UINT  0xFFFFFFFF
#elif (SIZEOF_INT == 8)
#  define CURL_MASK_SINT  0x7FFFFFFFFFFFFFFF
#  define CURL_MASK_UINT  0xFFFFFFFFFFFFFFFF
#elif (SIZEOF_INT == 16)
#  define CURL_MASK_SINT  0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF
#  define CURL_MASK_UINT  0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF
#else
#  error "SIZEOF_INT not defined"
#endif

#if (CURL_SIZEOF_LONG == 2)
#  define CURL_MASK_SLONG  0x7FFFL
#  define CURL_MASK_ULONG  0xFFFFUL
#elif (CURL_SIZEOF_LONG == 4)
#  define CURL_MASK_SLONG  0x7FFFFFFFL
#  define CURL_MASK_ULONG  0xFFFFFFFFUL
#elif (CURL_SIZEOF_LONG == 8)
#  define CURL_MASK_SLONG  0x7FFFFFFFFFFFFFFFL
#  define CURL_MASK_ULONG  0xFFFFFFFFFFFFFFFFUL
#elif (CURL_SIZEOF_LONG == 16)
#  define CURL_MASK_SLONG  0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFL
#  define CURL_MASK_ULONG  0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFUL
#else
#  error "CURL_SIZEOF_LONG not defined"
#endif

#if (CURL_SIZEOF_CURL_OFF_T == 2)
#  define CURL_MASK_SCOFFT  CURL_OFF_T_C(0x7FFF)
#  define CURL_MASK_UCOFFT  CURL_OFF_TU_C(0xFFFF)
#elif (CURL_SIZEOF_CURL_OFF_T == 4)
#  define CURL_MASK_SCOFFT  CURL_OFF_T_C(0x7FFFFFFF)
#  define CURL_MASK_UCOFFT  CURL_OFF_TU_C(0xFFFFFFFF)
#elif (CURL_SIZEOF_CURL_OFF_T == 8)
#  define CURL_MASK_SCOFFT  CURL_OFF_T_C(0x7FFFFFFFFFFFFFFF)
#  define CURL_MASK_UCOFFT  CURL_OFF_TU_C(0xFFFFFFFFFFFFFFFF)
#elif (CURL_SIZEOF_CURL_OFF_T == 16)
#  define CURL_MASK_SCOFFT  CURL_OFF_T_C(0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF)
#  define CURL_MASK_UCOFFT  CURL_OFF_TU_C(0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF)
#else
#  error "CURL_SIZEOF_CURL_OFF_T not defined"
#endif

#if (SIZEOF_SIZE_T == SIZEOF_SHORT)
#  define CURL_MASK_SSIZE_T  CURL_MASK_SSHORT
#  define CURL_MASK_USIZE_T  CURL_MASK_USHORT
#elif (SIZEOF_SIZE_T == SIZEOF_INT)
#  define CURL_MASK_SSIZE_T  CURL_MASK_SINT
#  define CURL_MASK_USIZE_T  CURL_MASK_UINT
#elif (SIZEOF_SIZE_T == CURL_SIZEOF_LONG)
#  define CURL_MASK_SSIZE_T  CURL_MASK_SLONG
#  define CURL_MASK_USIZE_T  CURL_MASK_ULONG
#elif (SIZEOF_SIZE_T == CURL_SIZEOF_CURL_OFF_T)
#  define CURL_MASK_SSIZE_T  CURL_MASK_SCOFFT
#  define CURL_MASK_USIZE_T  CURL_MASK_UCOFFT
#else
#  error "SIZEOF_SIZE_T not defined"
#endif

/*
** unsigned long to unsigned short
*/

unsigned short curlx_ultous(unsigned long ulnum)
{
#ifdef __INTEL_COMPILER
#  pragma warning(push)
#  pragma warning(disable:810) /* conversion may lose significant bits */
#endif

  return (unsigned short)(ulnum & (unsigned long) CURL_MASK_USHORT);

#ifdef __INTEL_COMPILER
#  pragma warning(pop)
#endif
}

/*
** unsigned long to unsigned char
*/

unsigned char curlx_ultouc(unsigned long ulnum)
{
#ifdef __INTEL_COMPILER
#  pragma warning(push)
#  pragma warning(disable:810) /* conversion may lose significant bits */
#endif

  return (unsigned char)(ulnum & (unsigned long) CURL_MASK_UCHAR);

#ifdef __INTEL_COMPILER
#  pragma warning(pop)
#endif
}

/*
** unsigned size_t to signed int
*/

int curlx_uztosi(size_t uznum)
{
#ifdef __INTEL_COMPILER
#  pragma warning(push)
#  pragma warning(disable:810) /* conversion may lose significant bits */
#endif

  return (int)(uznum & (size_t) CURL_MASK_SINT);

#ifdef __INTEL_COMPILER
#  pragma warning(pop)
#endif
}

/*
** signed long to signed int
*/

int curlx_sltosi(long slnum)
{
#ifdef __INTEL_COMPILER
#  pragma warning(push)
#  pragma warning(disable:810) /* conversion may lose significant bits */
#endif

  DEBUGASSERT(slnum >= 0);
  return (int)(slnum & (long) CURL_MASK_SINT);

#ifdef __INTEL_COMPILER
#  pragma warning(pop)
#endif
}

/*
** signed long to unsigned int
*/

unsigned int curlx_sltoui(long slnum)
{
#ifdef __INTEL_COMPILER
#  pragma warning(push)
#  pragma warning(disable:810) /* conversion may lose significant bits */
#endif

  DEBUGASSERT(slnum >= 0);
  return (unsigned int)(slnum & (long) CURL_MASK_UINT);

#ifdef __INTEL_COMPILER
#  pragma warning(pop)
#endif
}

/*
** signed long to unsigned short
*/

unsigned short curlx_sltous(long slnum)
{
#ifdef __INTEL_COMPILER
#  pragma warning(push)
#  pragma warning(disable:810) /* conversion may lose significant bits */
#endif

  DEBUGASSERT(slnum >= 0);
  return (unsigned short)(slnum & (long) CURL_MASK_USHORT);

#ifdef __INTEL_COMPILER
#  pragma warning(pop)
#endif
}

/*
** unsigned size_t to signed ssize_t
*/

ssize_t curlx_uztosz(size_t uznum)
{
#ifdef __INTEL_COMPILER
#  pragma warning(push)
#  pragma warning(disable:810) /* conversion may lose significant bits */
#endif

  return (ssize_t)(uznum & (size_t) CURL_MASK_SSIZE_T);

#ifdef __INTEL_COMPILER
#  pragma warning(pop)
#endif
}

/*
** signed curl_off_t to unsigned size_t
*/

size_t curlx_sotouz(curl_off_t sonum)
{
#ifdef __INTEL_COMPILER
#  pragma warning(push)
#  pragma warning(disable:810) /* conversion may lose significant bits */
#endif

  DEBUGASSERT(sonum >= 0);
  return (size_t)(sonum & (curl_off_t) CURL_MASK_USIZE_T);

#ifdef __INTEL_COMPILER
#  pragma warning(pop)
#endif
}