|
// string.cpp
// based on:
// LIBCTINY - Matt Pietrek 2001
// MSDN Magazine, January 2001
// 08/12/06 (mv)
// 03/24/07 (mv) fix strnicmp function
#include <windows.h>
#include <string.h>
#include <tchar.h>
#include "libct.h"
BEGIN_EXTERN_C
int strcmpi(const char *s1, const char *s2)
{
return lstrcmpiA(s1, s2);
}
int stricmp(const char *s1, const char *s2) {return _stricmp(s1, s2);}
int _stricmp(const char *s1, const char *s2)
{
return lstrcmpiA(s1, s2);
}
int strcmp(const char *s1, const char *s2)
{
return lstrcmpA(s1, s2);
}
int strncmp(const char *s1, const char *s2, size_t n)
{
if (!n)
return 0;
const unsigned char *p1 = (const unsigned char*)s1;
const unsigned char *p2 = (const unsigned char*)s2;
for (size_t i = 0; i < n; i++)
{
if (!p1[i] || p1[i] != p2[i])
return p1[i] - p2[i];
}
return 0;
}
int strnicmp(const char *s1, const char *s2, size_t n)
{
return CompareStringA(LOCALE_SYSTEM_DEFAULT, NORM_IGNORECASE, s1, n, s2, n) - CSTR_EQUAL;
}
char *strdup(const char *src)
{
if (!src)
return 0;
char *dst = (char*)malloc(strlen(src)+1);
strcpy(dst, src);
return dst;
}
char *_strdup(const char *src)
{
return strdup(src);
}
char *strcpy(char *dest, const char *src)
{
return lstrcpyA(dest, src);
}
char *strncpy(char *dest, const char *src, size_t n)
{
memcpy(dest, src, n);
size_t len = strlen(src);
if (n > len)
memset(&dest[len], 0, n-len);
return dest;
}
size_t strlen(const char *str)
{
return lstrlenA(str);
}
const char *strchr(const char *str, int ch)
{
while (*str)
{
if (*str == ch)
return str;
str++;
}
return 0;
}
const char *strrchr(const char *str, int ch)
{
const char *end = str + strlen(str) + 1;
while (end != str)
{
end--;
if (*end == ch)
return end;
}
return 0;
}
char *strcat(char *dst, const char *src)
{
return lstrcatA(dst, src);
}
const char *strstr(const char *str, const char *substr)
{
int str_len = strlen(str);
int substr_len = strlen(substr);
if (substr_len == 0)
return str;
if (str_len < substr_len)
return 0;
for (int i = 0; i < (int)(str_len-substr_len+1); i++)
{
if (!strcmp(&str[i], substr))
return (const char *)(&str[i]);
}
return 0;
}
END_EXTERN_C
|
By viewing downloads associated with this article you agree to the Terms of Service and the article's licence.
If a file you wish to view isn't highlighted, and is a text file (not binary), please
let us know and we'll add colourisation support for it.
This article has no explicit license attached to it but may contain usage terms in the article text or the download files themselves. If in doubt please contact the author via the discussion board below.
A list of licenses authors might use can be found here
Mike_V is currently a student at UCLA.
After a few years on the Dark Side, he reformed and now chants "Death to VB." His computer-related interests include C++, C#, and ASP.NET (in C#, of course). He writes operating systems in C++ and assembler as a hobby.