2 * MSVCRT string functions
4 * Copyright 1996,1998 Marcus Meissner
5 * Copyright 1996 Jukka Iivonen
6 * Copyright 1997,2000 Uwe Bonnes
7 * Copyright 2000 Jon Griffiths
11 #include "msvcrt/stdlib.h"
12 #include "msvcrt/string.h"
14 DEFAULT_DEBUG_CHANNEL(msvcrt);
16 /* INTERNAL: MSVCRT_malloc() based strndup */
17 char* msvcrt_strndup(const char* buf, unsigned int size)
20 unsigned int len = strlen(buf), max_len;
22 max_len = size <= len? size : len + 1;
24 ret = MSVCRT_malloc(max_len);
27 memcpy(ret,buf,max_len);
33 /*********************************************************************
36 char* _strdec(const char* str1, const char* str2)
38 /* Hmm. While the docs suggest that the following should work... */
39 /* return (str2<=str1?0:str2-1); */
40 /* ...Version 2.50.4170 (NT) from win98 constantly decrements! */
41 str1 = str1; /* remove warning */
42 return (char *)str2-1;
45 /*********************************************************************
49 char* _strdup(const char* str)
51 char * ret = MSVCRT_malloc(strlen(str)+1);
52 if (ret) strcpy( ret, str );
56 /*********************************************************************
59 char* _strinc(const char* str)
64 /*********************************************************************
65 * _strnextc (MSVCRT.@)
67 unsigned int _strnextc(const char* str)
69 return (unsigned int)*str;
72 /*********************************************************************
75 * Return a pointer to the 'n'th character in a string
77 char* _strninc(char* str, unsigned int n)
82 /*********************************************************************
85 char* _strnset(char* str, int value, unsigned int len)
93 /*********************************************************************
96 char* _strrev(char* str)
102 for (p1 = str, p2 = str + strlen(str) - 1; p2 > p1; ++p1, --p2)
112 /*********************************************************************
115 char* _strset(char* str, int value)
124 /*********************************************************************
125 * _strncnt (MSVCRT.@)
127 unsigned int _strncnt(char* str, unsigned int max)
129 unsigned int len = strlen(str);
130 return (len > max? max : len);
133 /*********************************************************************
134 * _strspnp (MSVCRT.@)
136 char* _strspnp(char* str1, char* str2)
138 str1 += strspn(str1,str2);
139 return *str1? str1 : 0;
142 /*********************************************************************
145 void _swab(char* src, char* dst, int len)
149 len = (unsigned)len >> 1;