1 //字符串拷贝,排除指定字符
2 char *strcpy_exclude_char(char *dst, const int dst_len, const char *src, const char *exclude_list)
3 {
4 int i = 0, j = 0, flag = 0;
5 const char *p = NULL;
6 if (dst == NULL && src == NULL)return NULL;
7 if (dst == src)return dst;
8 for (; j < dst_len && src[i] != '\0'; ++i)
9 {
10 flag = 0;
11 p = exclude_list;
12 while (p && *p != '\0')
13 {
14 if (*p == src[i]){ flag = 1; break; }
15 p++;
16 }
17 if (flag == 0)dst[j++] = src[i];
18 }
19 dst[j] = '\0';
20 return dst;
21 }
1 //字符串拷贝,替换指定字符
2 char *strcpy_replace_char(char *dst, const int dst_len, const char *src, char aim, char rep)
3 {
4 int i = 0;
5 if (dst == NULL && src == NULL)return NULL;
6 if (dst == src)return dst;
7 for (; i < dst_len && src[i] != '\0'; ++i)
8 {
9 if (src[i] == aim)
10 {
11 dst[i] = rep;
12 }
13 else
14 {
15 dst[i] = src[i];
16 }
17 }
18 dst[i] = '\0';
19 return dst;
20 }
//字符串原址替换指定字符
char * str_replace_char(char *dst, char aim, char rep)
{
int i = 0;
if (dst == NULL)return NULL;
for (; dst[i] != '\0';++i)
{
if (dst[i] == aim)
{
dst[i] = rep;
}
}
return dst;
}
