#include<stdio.h>
#include<stdlib.h>
#include <string.h>
#include <ctype.h>
/*去除字符串inStr中的空格*/
int trimSpace(char*inStr,char*out)
{
char *p = inStr;
int ret = 0;
int i;
if (p==NULL)
{
ret = -1;
return;
}
for (i=0;p[i]!='\0';i++)
{
if (p[i]!=' ')
{
*out++ = p[i];
}
}
*out='\0';
return ret;
}
/*在key-value字符串中根据key查找value 通过局部变量valuebuf返回*/
int getkeyByValue(char*keyvaluebuf,char*keybuf,char*valuebuf)
{
//查找key在不在
//查找=
//去除空格
int ret = -1;
char *p = keyvaluebuf;
int i =0;
char valuemidbuf[64];
int len= strlen(keyvaluebuf);
if (keyvaluebuf==NULL||keybuf==NULL||valuebuf==NULL)
{
return -1;
}
p = strstr(p,keybuf);
if (p == NULL)
{
printf("key not found\n");
ret = -1;
return ret;
}
p = p + strlen(keybuf);
p = strstr(p,"=");
if (p == NULL)
{
printf("= not found\n");
ret = -1;
return ret;
}
ret = trimSpace(p+1,valuebuf);
if (ret == -1)
{
return ret;
}
return ret;
}
int main()
{
char* keyvaluebuf = "key2 = abcdef ";
char* key = "key2";
char valuebuf[1024];
int ret = 0;
ret = getkeyByValue(keyvaluebuf,key,valuebuf);
if (ret!=0)
{
printf("error");
}
printf("valuebuf:%s\n",valuebuf);//abcdef
system("pause");
return 0;
}
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