ulib dlinklist, string_memmove()

This commit is contained in:
2025-10-05 22:44:59 +02:00
parent a513909189
commit 00b779fb91
4 changed files with 169 additions and 0 deletions

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@ -183,3 +183,32 @@ char *string_combine(char *dest, const char *src) {
dest[i+j] = '\0';
return dest;
}
// https://aticleworld.com/memmove-function-implementation-in-c/
void * string_memmove(void* dest, const void* src, unsigned int n)
{
char *pDest = (char *)dest;
const char *pSrc =( const char*)src;
//allocate memory for tmp array
char *tmp = (char *)umalloc(sizeof(char ) * n);
if(NULL == tmp)
{
return NULL;
}
else
{
unsigned int i = 0;
// copy src to tmp array
for(i =0; i < n ; ++i)
{
*(tmp + i) = *(pSrc + i);
}
//copy tmp to dest
for(i =0 ; i < n ; ++i)
{
*(pDest + i) = *(tmp + i);
}
ufree(tmp); //free allocated memory
}
return dest;
}

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@ -18,6 +18,7 @@ char *string_strchr(const char *s, int c);
int string_strncmp(const char * s1, const char * s2, size_t n);
char *string_tokenizealloc(char *s, char *delim);
char *string_combine(char *dest, const char *src);
void * string_memmove(void* dest, const void* src, unsigned int n);
#endif