如何在路径中的每段自动加入“”符号

Question

比方说c:\123\456变成c:\"123"\"456"
c:\\"123\"\\"456\" 我知道字符串这样写但怎么写一个函数放进去就自动添加“”符号给路径中的每一段

Answer 1

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#include "stdio.h"
#include "string.h"

void repstr(char * des, char * src, char find, char * repwith)
{
    int len = strlen(src);
    int rlen = strlen(repwith);
    int pos = 0;
    for (int i = 0; i < len; i++)
    {
        if (src[i] == find)
        {
            for (int j = 0; j < rlen; j++)
            {
                des[pos++] = repwith[j];
            }
        }
        else
        {
            des[pos++] = src[i];
        }
    }
    des[pos] = '\0';
}

int main()
{
    char * str = "c:\\123\\456\\";
    char * repwith = "\\\"";
    char buf[100];
    repstr(buf, str, '\\', repwith);
    printf("%s\n", buf);
    return 0;
}

---

// Q753041.cpp : Defines the entry point for the console application.
//

#include "stdafx.h"

#include "stdio.h"
#include "string.h"

void repstr(char * des, char * src, char find, char * repwith, char * firstwith = NULL, char * lastwith = NULL)
{
    char buf1[100];
    char buf2[100];
    if (firstwith == NULL)
    {
        strcpy(buf1, &repwith[1]);
        firstwith = buf1;
    }
    if (lastwith == NULL)
    {
        strcpy(buf2, repwith);
        buf2[strlen(repwith) - 2] = '\0';
        lastwith = buf2;
    }
    int len = strlen(src);
    int rlen = strlen(repwith);
    int pos = 0;
    int first = 1;
    for (int i = 0; i < len; i++)
    {
        if (src[i] == find)
        {
            if (first)
            {
                first = 0;
                for (int j = 0; j < strlen(firstwith); j++)
                {
                    des[pos++] = firstwith[j];
                }
            }
            else
            {
                for (int j = 0; j < rlen; j++)
                {
                    des[pos++] = repwith[j];
                }
            }
        }
        else
        {
            des[pos++] = src[i];
        }
    }
    for (int j = 0; j < strlen(lastwith); j++)
    {
        des[pos++] = lastwith[j];
    }
    des[pos] = '\0';
}

int main()
{
    char * str = "c:\\123\\456\\789";
    char * repwith = "\"\\\"";
    char buf[100];
    repstr(buf, str, '\\', repwith);
    printf("%s\n", buf);
    return 0;
}

c:\"123"\"456"\"789"
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