зеркало из https://github.com/mozilla/pjs.git
Bug 313282: comnined strccmp.c (rev. 3.7) and strcstr.c (rev. 3.8) into
strcase.c so that the functions can share the |uc| table easily. Modified Files: Makefile.in Added Files: strcase.c Removed Files: strccmp.c strcstr.c
This commit is contained in:
wtc%google.com
Родитель
92a2d57255
Коммит
c100cdd4ad
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@ -54,13 +54,12 @@ CSRCS =\
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strlen.c \
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strcpy.c \
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strdup.c \
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strcase.c \
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strcat.c \
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strcmp.c \
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strccmp.c \
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strchr.c \
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strpbrk.c \
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strstr.c \
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strcstr.c \
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strtok.c \
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base64.c \
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plerror.c \
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@ -0,0 +1,201 @@
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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is the Netscape Portable Runtime (NSPR).
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998-2000
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "plstr.h"
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static const unsigned char uc[] =
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{
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'\000', '\001', '\002', '\003', '\004', '\005', '\006', '\007',
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'\010', '\011', '\012', '\013', '\014', '\015', '\016', '\017',
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'\020', '\021', '\022', '\023', '\024', '\025', '\026', '\027',
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'\030', '\031', '\032', '\033', '\034', '\035', '\036', '\037',
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' ', '!', '"', '#', '$', '%', '&', '\'',
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'(', ')', '*', '+', ',', '-', '.', '/',
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'0', '1', '2', '3', '4', '5', '6', '7',
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'8', '9', ':', ';', '<', '=', '>', '?',
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'@', 'A', 'B', 'C', 'D', 'E', 'F', 'G',
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'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
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'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
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'X', 'Y', 'Z', '[', '\\', ']', '^', '_',
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'`', 'A', 'B', 'C', 'D', 'E', 'F', 'G',
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'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
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'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
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'X', 'Y', 'Z', '{', '|', '}', '~', '\177',
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0200, 0201, 0202, 0203, 0204, 0205, 0206, 0207,
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0210, 0211, 0212, 0213, 0214, 0215, 0216, 0217,
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0220, 0221, 0222, 0223, 0224, 0225, 0226, 0227,
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0230, 0231, 0232, 0233, 0234, 0235, 0236, 0237,
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0240, 0241, 0242, 0243, 0244, 0245, 0246, 0247,
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0250, 0251, 0252, 0253, 0254, 0255, 0256, 0257,
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0260, 0261, 0262, 0263, 0264, 0265, 0266, 0267,
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0270, 0271, 0272, 0273, 0274, 0275, 0276, 0277,
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0300, 0301, 0302, 0303, 0304, 0305, 0306, 0307,
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0310, 0311, 0312, 0313, 0314, 0315, 0316, 0317,
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0320, 0321, 0322, 0323, 0324, 0325, 0326, 0327,
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0330, 0331, 0332, 0333, 0334, 0335, 0336, 0337,
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0340, 0341, 0342, 0343, 0344, 0345, 0346, 0347,
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0350, 0351, 0352, 0353, 0354, 0355, 0356, 0357,
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0360, 0361, 0362, 0363, 0364, 0365, 0366, 0367,
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0370, 0371, 0372, 0373, 0374, 0375, 0376, 0377
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};
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PR_IMPLEMENT(PRIntn)
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PL_strcasecmp(const char *a, const char *b)
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{
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const unsigned char *ua = (const unsigned char *)a;
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const unsigned char *ub = (const unsigned char *)b;
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if( ((const char *)0 == a) || (const char *)0 == b )
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return (PRIntn)(a-b);
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while( (uc[*ua] == uc[*ub]) && ('\0' != *a) )
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{
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a++;
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ua++;
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ub++;
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}
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return (PRIntn)(uc[*ua] - uc[*ub]);
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}
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PR_IMPLEMENT(PRIntn)
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PL_strncasecmp(const char *a, const char *b, PRUint32 max)
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{
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const unsigned char *ua = (const unsigned char *)a;
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const unsigned char *ub = (const unsigned char *)b;
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if( ((const char *)0 == a) || (const char *)0 == b )
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return (PRIntn)(a-b);
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while( max && (uc[*ua] == uc[*ub]) && ('\0' != *a) )
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{
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a++;
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ua++;
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ub++;
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max--;
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}
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if( 0 == max ) return (PRIntn)0;
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return (PRIntn)(uc[*ua] - uc[*ub]);
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}
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PR_IMPLEMENT(char *)
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PL_strcasestr(const char *big, const char *little)
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{
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PRUint32 ll;
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if( ((const char *)0 == big) || ((const char *)0 == little) ) return (char *)0;
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if( ((char)0 == *big) || ((char)0 == *little) ) return (char *)0;
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ll = strlen(little);
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for( ; *big; big++ )
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/* obvious improvement available here */
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if( 0 == PL_strncasecmp(big, little, ll) )
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return (char *)big;
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return (char *)0;
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}
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PR_IMPLEMENT(char *)
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PL_strcaserstr(const char *big, const char *little)
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{
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const char *p;
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PRUint32 bl, ll;
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if( ((const char *)0 == big) || ((const char *)0 == little) ) return (char *)0;
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if( ((char)0 == *big) || ((char)0 == *little) ) return (char *)0;
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bl = strlen(big);
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ll = strlen(little);
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if( bl < ll ) return (char *)0;
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p = &big[ bl - ll ];
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for( ; p >= big; p-- )
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/* obvious improvement available here */
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if( 0 == PL_strncasecmp(p, little, ll) )
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return (char *)p;
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return (char *)0;
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}
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PR_IMPLEMENT(char *)
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PL_strncasestr(const char *big, const char *little, PRUint32 max)
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{
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PRUint32 ll;
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if( ((const char *)0 == big) || ((const char *)0 == little) ) return (char *)0;
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if( ((char)0 == *big) || ((char)0 == *little) ) return (char *)0;
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ll = strlen(little);
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if( ll > max ) return (char *)0;
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max -= ll;
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max++;
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for( ; max && *big; big++, max-- )
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/* obvious improvement available here */
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if( 0 == PL_strncasecmp(big, little, ll) )
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return (char *)big;
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return (char *)0;
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}
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PR_IMPLEMENT(char *)
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PL_strncaserstr(const char *big, const char *little, PRUint32 max)
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{
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const char *p;
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PRUint32 ll;
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if( ((const char *)0 == big) || ((const char *)0 == little) ) return (char *)0;
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if( ((char)0 == *big) || ((char)0 == *little) ) return (char *)0;
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ll = strlen(little);
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for( p = big; max && *p; p++, max-- )
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;
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p -= ll;
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if( p < big ) return (char *)0;
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for( ; p >= big; p-- )
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/* obvious improvement available here */
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if( 0 == PL_strncasecmp(p, little, ll) )
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return (char *)p;
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return (char *)0;
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}
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