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147 lines
3.2 KiB
147 lines
3.2 KiB
/*
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Copyright 1999-2021 ImageMagick Studio LLC, a non-profit organization
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dedicated to making software imaging solutions freely available.
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You may not use this file except in compliance with the License. You may
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obtain a copy of the License at
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https://imagemagick.org/script/license.php
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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MagickCore private string methods.
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*/
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#ifndef MAGICKCORE_STRING_PRIVATE_H
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#define MAGICKCORE_STRING_PRIVATE_H
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#include <string.h>
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#include "MagickCore/locale_.h"
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#if defined(__cplusplus) || defined(c_plusplus)
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extern "C" {
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#endif
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static inline double SiPrefixToDoubleInterval(const char *string,
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const double interval)
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{
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char
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*q;
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double
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value;
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value=InterpretSiPrefixValue(string,&q);
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if (*q == '%')
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value*=interval/100.0;
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return(value);
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}
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static inline double StringToDouble(const char *magick_restrict string,
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char **magick_restrict sentinal)
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{
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return(InterpretLocaleValue(string,sentinal));
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}
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static inline const char *StringLocateSubstring(const char *haystack,
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const char *needle)
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{
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#if defined(MAGICKCORE_HAVE_STRCASESTR)
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return(strcasestr(haystack,needle));
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#else
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{
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size_t
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length_needle,
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length_haystack;
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size_t
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i;
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if (!haystack || !needle)
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return(NULL);
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length_needle=strlen(needle);
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length_haystack=strlen(haystack)-length_needle+1;
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for (i=0; i < length_haystack; i++)
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{
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size_t
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j;
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for (j=0; j < length_needle; j++)
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{
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unsigned char c1 = (unsigned char) haystack[i+j];
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unsigned char c2 = (unsigned char) needle[j];
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if (toupper((int) c1) != toupper((int) c2))
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goto next;
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}
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return((char *) haystack+i);
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next:
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;
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}
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return((char *) NULL);
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}
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#endif
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}
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static inline double StringToDoubleInterval(const char *string,
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const double interval)
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{
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char
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*q;
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double
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value;
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value=InterpretLocaleValue(string,&q);
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if (*q == '%')
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value*=interval/100.0;
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return(value);
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}
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static inline int StringToInteger(const char *magick_restrict value)
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{
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return((int) strtol(value,(char **) NULL,10));
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}
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static inline long StringToLong(const char *magick_restrict value)
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{
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return(strtol(value,(char **) NULL,10));
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}
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static inline MagickSizeType StringToMagickSizeType(const char *string,
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const double interval)
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{
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double
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value;
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value=SiPrefixToDoubleInterval(string,interval);
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if (value >= (double) MagickULLConstant(~0))
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return(MagickULLConstant(~0));
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return((MagickSizeType) value);
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}
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static inline size_t StringToSizeType(const char *string,const double interval)
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{
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double
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value;
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value=SiPrefixToDoubleInterval(string,interval);
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if (value >= (double) MagickULLConstant(~0))
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return(~0UL);
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return((size_t) value);
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}
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static inline unsigned long StringToUnsignedLong(
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const char *magick_restrict value)
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{
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return(strtoul(value,(char **) NULL,10));
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}
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#if defined(__cplusplus) || defined(c_plusplus)
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}
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#endif
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#endif
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