我有一个包含几个HTTP标头的字符。
现在,我想拆分标题并将每个标题存储到char []数组中,例如

myheader[0] = "POST /index001.html HTTP/1.1\r\nHost:xxx  ...";
myheader[1] = "POST /index002.html HTTP/1.1\r\nHost:xxx  ..."


每个标头的大小都不同,因此我无法计算字节数。我不知道该怎么做。 strstr()仅找到第一个子字符串。

缓冲区格式如下:

POST /index001.html HTTP/1.1
Host: xxx
...
POST /index002.html HTTP/1.1
Host: xxx
...
POST /index003.html HTTP/1.1
Host: xxx
...


谁能帮我代码plz?

编辑:

我编写了一个从缓冲区中提取子字符串的函数。但是它只能处理第一对“ POST”。
例如,

GetInBetween(“ 1234www567890rrr777wwwOUEJF99rrr”,“ www”,“ rrr”)只能获取“ 567890”。

char * GetInBetween( char* buffer, char* start, char* end)
{
    char * subbuffer = NULL;
    subbuffer = strstr(buffer, startpoint);

    int betweenLen = 0;
    if (subbuffer == NULL)
    {
        return NULL;
    }
    betweenLen = strcspn(subbuffer, endpoint );

    int sbLen=0;
    sbLen= strlen(subbuffer);
    int spLen =0;
    spLen = strlen(startpoint);

    int dataLen =0;
    dataLen = betweenLen - spLen;

    char databuffer[1024];
    for (int i =0; i< dataLen; i++)
    {
        databuffer[0+i] = subbuffer[4+i];
    }
    databuffer[dataLen] ='\0';
    int test = strlen(databuffer);

    return databuffer;
}

最佳答案

您可以更改函数以保留一些早期调用,例如strtok。然后,您可以在同一缓冲区中重复调用函数以查找任何后续出现的事件。作为这种方法的草图(自己完成):

char * GetInBetween( char* buffer, char* startstr, char* endstr)
{
    static char *lastbuf, *lastbufp, *laststartstr, *lastendstr;
    char * subbuffer = NULL;
    if (startstr==NULL || endstr==NULL) {
        if (lastbuf!=buffer) return NULL;    // not same buffer: error;
        if (lastbufp==NULL) return NULL;     // no previous match, so no next match
        subbuffer= strstr(lastbufp, laststartstr);
    }
    else
    {
        laststartstr= startstr;        // remember the parts to search in between
        lastendstr= endstr;
        lastbuf= buffer;
        subbuffer = strstr(buffer, startpoint);
        lastbufp= NULL;                // no match yet to remember
    }

10-07 19:16
查看更多