MagickCore 6.9.11-60
Convert, Edit, Or Compose Bitmap Images
string-private.h
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1/*
2 Copyright 1999-2021 ImageMagick Studio LLC, a non-profit organization
3 dedicated to making software imaging solutions freely available.
4
5 You may not use this file except in compliance with the License. You may
6 obtain a copy of the License at
7
8 https://imagemagick.org/script/license.php
9
10 Unless required by applicable law or agreed to in writing, software
11 distributed under the License is distributed on an "AS IS" BASIS,
12 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 See the License for the specific language governing permissions and
14 limitations under the License.
15
16 MagickCore private string methods.
17*/
18#ifndef MAGICKCORE_STRING_PRIVATE_H
19#define MAGICKCORE_STRING_PRIVATE_H
20
21#include <string.h>
22#include "magick/locale_.h"
23
24#if defined(__cplusplus) || defined(c_plusplus)
25extern "C" {
26#endif
27
28static inline double SiPrefixToDoubleInterval(const char *string,
29 const double interval)
30{
31 char
32 *q;
33
34 double
35 value;
36
37 value=InterpretSiPrefixValue(string,&q);
38 if (*q == '%')
39 value*=interval/100.0;
40 return(value);
41}
42
43static inline const char *StringLocateSubstring(const char *haystack,
44 const char *needle)
45{
46#if defined(MAGICKCORE_HAVE_STRCASESTR)
47 return(strcasestr(haystack,needle));
48#else
49 {
50 size_t
51 length_needle,
52 length_haystack;
53
54 size_t
55 i;
56
57 if (!haystack || !needle)
58 return(NULL);
59 length_needle=strlen(needle);
60 length_haystack=strlen(haystack)-length_needle+1;
61 for (i=0; i < length_haystack; i++)
62 {
63 size_t
64 j;
65
66 for (j=0; j < length_needle; j++)
67 {
68 unsigned char c1 = (unsigned char) haystack[i+j];
69 unsigned char c2 = (unsigned char) needle[j];
70 if (toupper((int) c1) != toupper((int) c2))
71 goto next;
72 }
73 return((char *) haystack+i);
74 next:
75 ;
76 }
77 return((char *) NULL);
78 }
79#endif
80}
81
82static inline double StringToDouble(const char *magick_restrict string,
83 char **magick_restrict sentinal)
84{
85 return(InterpretLocaleValue(string,sentinal));
86}
87
88static inline double StringToDoubleInterval(const char *string,
89 const double interval)
90{
91 char
92 *q;
93
94 double
95 value;
96
97 value=InterpretLocaleValue(string,&q);
98 if (*q == '%')
99 value*=interval/100.0;
100 return(value);
101}
102
103static inline int StringToInteger(const char *magick_restrict value)
104{
105 return((int) strtol(value,(char **) NULL,10));
106}
107
108static inline long StringToLong(const char *magick_restrict value)
109{
110 return(strtol(value,(char **) NULL,10));
111}
112
113static inline size_t StringToSizeType(const char *string,const double interval)
114{
115 double
116 value;
117
118 value=SiPrefixToDoubleInterval(string,interval);
119 if (value >= (double) MagickULLConstant(~0))
120 return(~0UL);
121 return((size_t) value);
122}
123
124static inline unsigned long StringToUnsignedLong(
125 const char *magick_restrict value)
126{
127 return(strtoul(value,(char **) NULL,10));
128}
129
130#if defined(__cplusplus) || defined(c_plusplus)
131}
132#endif
133
134#endif
#define magick_restrict
Definition: MagickCore.h:41
MagickExport double InterpretLocaleValue(const char *magick_restrict string, char **magick_restrict sentinal)
Definition: locale.c:1000
#define MagickULLConstant(c)
Definition: magick-type.h:39
static size_t StringToSizeType(const char *string, const double interval)
Definition: string-private.h:113
static long StringToLong(const char *magick_restrict value)
Definition: string-private.h:108
static double SiPrefixToDoubleInterval(const char *string, const double interval)
Definition: string-private.h:28
static double StringToDouble(const char *magick_restrict string, char **magick_restrict sentinal)
Definition: string-private.h:82
static int StringToInteger(const char *magick_restrict value)
Definition: string-private.h:103
static unsigned long StringToUnsignedLong(const char *magick_restrict value)
Definition: string-private.h:124
static double StringToDoubleInterval(const char *string, const double interval)
Definition: string-private.h:88
static const char * StringLocateSubstring(const char *haystack, const char *needle)
Definition: string-private.h:43
MagickExport double InterpretSiPrefixValue(const char *magick_restrict string, char **magick_restrict sentinal)
Definition: string.c:1304