简单配置文件的解析示例

#include <Windows.h>
#include <stdio.h>
#include <string.h>
#include <malloc.h>

int main()
{
    char line[] = " name = lily ";
    char *p = line;
    p += strspn(p, " \t");
    char *tmp = strpbrk(p, " \t=");
    int key_len = tmp - p;
    char *key = (char *)calloc(sizeof(char), key_len + 1);
    memcpy(key, p, key_len);
    p = tmp;
    p += strspn(p, " \t");
    if(*p++ != '=')
    {
        printf("line parse error\n");
        return 1;
    }
    p += strspn(p, " \t");
    if(*p == '\r' || *p == '\n')
    {
        printf("line parse error\n");
        return 1;
    }
    tmp = strpbrk(p, " \t");
    int value_len = tmp - p;
    char *value = (char *)calloc(sizeof(char), value_len + 1);
    memcpy(value, p, value_len);
    printf("key = %s, value = %s\n", key, value);
    free(key);
    free(value);
    system("pause");
}