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  1. /*
  2.     This file is part of a common library
  3.     Copyright (C) 2002-6 Toby Thain, toby@telegraphics.com.au
  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 2 of the License, or
  8.     (at your option) 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
  16.     along with this program; if not, write to the Free Software
  17.     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  18. */
  19.  
  20. #include <string.h>
  21. #include <stdlib.h>
  22.  
  23. #ifdef WIN_ENV
  24. #include <windows.h>
  25. #endif
  26.  
  27. #include "str.h"
  28. #include "sprintf_tiny.h"
  29.  
  30. #ifdef UNICODE
  31. size_t xstrlen(wchar_t* s) {
  32.         return lstrlen(s);
  33. }
  34. wchar_t* xstrcpy(wchar_t* dst, wchar_t* src) {
  35.         return lstrcpy(dst, src);
  36. }
  37. wchar_t* xstrcat(wchar_t* dst, const wchar_t* src) {
  38.         return lstrcat(dst, src);
  39. }
  40. wchar_t* xstrrchr(wchar_t* const _Str, const int _Ch) {
  41.         return wcsrchr(_Str, _Ch);
  42. }
  43. int xstrcasecmp(const wchar_t* a, const wchar_t* b) {
  44.         return _wcsicmp(a, b);
  45. }
  46. #else
  47. size_t xstrlen(char* s) {
  48.         return strlen(s);
  49. }
  50. char* xstrcpy(char* dst, char* src) {
  51.         return strcpy(dst, src);
  52. }
  53. char* xstrcat(char* dst, const char* src) {
  54.         return strcat(dst, src);
  55. }
  56. char* xstrrchr(char* const _Str, const int _Ch) {
  57.         return strrchr(_Str, _Ch);
  58. }
  59. int xstrcasecmp(const char* a, const char* b) {
  60.         //return strcasecmp(a, b);
  61.         return _stricmp(a, b);
  62. }
  63. #endif
  64.  
  65. // convert C (null-terminated) to Pascal (length byte) string
  66. // no bounds checking
  67. unsigned char *myc2pstr(char *s){
  68.         size_t n = strlen(s);
  69.         memmove(s+1,s,n);
  70.         *s = (unsigned char)n;
  71.         return (unsigned char*)s;
  72. }
  73.  
  74. // convert Pascal string to C string
  75. // no bounds checking
  76. char *myp2cstr(unsigned char *s){
  77.         int n = *s;
  78.         memmove(s,s+1,n);
  79.         s[n] = 0;
  80.         return (char*)s;
  81. }
  82.  
  83. // copy Pascal string to C string
  84. // no bounds checking
  85. char *myp2cstrcpy(char *dst,const unsigned char *src){
  86.         memcpy(dst,src+1,src[0]);
  87.         dst[src[0]] = 0;
  88.         return dst;
  89. }
  90.  
  91. // copy C string to Pascal string
  92. unsigned char *myc2pstrcpy(unsigned char *dst,const char *src){
  93.         size_t n = strlen(src);
  94.         *dst = n <= 255 ? (unsigned char)n : 255;
  95.         memcpy(dst+1,src,*dst);
  96.         return dst;
  97. }
  98.  
  99. // copy null-terminated string;
  100. // returns pointer after last character copied
  101. char *cat(char *d,char *s){
  102.         while( (*d = *s++) )
  103.                 d++;
  104.         return d;
  105. }
  106.  
  107. /*
  108. void *my_memset(void *dst, int val, size_t len){
  109.         char *p;
  110.         for(p=(char*)dst;len--;)
  111.                 *p++ = val;
  112.         return dst;
  113. }
  114. */
  115.  
  116. // my_strdup() is like _strdup(), with the difference that it accepts "char*" instead of "const char*" as argument
  117. char *my_strdup(char *s){
  118.         size_t n = strlen(s);
  119.         char *p = (char*)malloc(n+1);
  120.         if(p)
  121.                 memcpy(p,s,n+1);
  122.         return p;
  123. }
  124.  
  125. // DM 03.12.2021 removed, because it is not used in Filter Foundry
  126. /*
  127. unsigned char *PLcstrcpy(unsigned char *s1,const char *s2){
  128.         size_t n = strlen(s2);
  129.         if(n>255)
  130.                 n = 255;
  131.         memcpy(s1+1,s2,n);
  132.         *s1 = (unsigned char)n;
  133.         return s1;
  134. }
  135. */
  136.  
  137. // DM 03.12.2021 removed, because it is not used in Filter Foundry
  138. /*
  139. unsigned char *PLcstrcat(unsigned char * str1,const char * s2){
  140.         size_t n = strlen(s2);
  141.         if(str1[0]+n > 255)
  142.                 n = 255 - str1[0];
  143.         memcpy(str1+1+str1[0],s2,n);
  144.         str1[0] += (unsigned char)n;
  145.         return str1;
  146. }
  147. */
  148.