内存值输出

2012-10-28 07:28:09 249 阅读 AI 写同款 · GEO 优化AI 选题数据监测一键分发 ›

【仓颉 + 鸿蒙 + AI Agent】CangjieMagic框架（3）：Agent请求和响应 CangjieMagic框架：使用华为仓颉编程语言编写，专门用于开发AI Agent，支持鸿蒙、Windows、macOS、Linux等系统。这篇文章剖析一下 CangjieMagic 框架中的 AgentRequest 和 AgentResponse。阅读详情

如何将内存的值输出呢？如整形777输出的字符串为：09 03

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中移物联ML307C模组OPENCPU笔记2 本文介绍了如何编译和运行一个DEMO程序，以官方SDK为例。阅读详情

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清天灵月 2012-10-29

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内存中存储的都是二进制数，即使整形 777 输出09 03 也是十六进制数，这也仅是为了便于阅读！

清天灵月 2012-10-29

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看到 2L 的回答，哥震惊了！！

赵4老师 2012-10-29

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void HexDump(char *buf,int len) {

    int i,j,k;

    char binstr[80];



    for (i=0;i<len;i++) {

        if (0==(i%16)) {

            sprintf(binstr,"%04x -",i);

            sprintf(binstr,"%s %02x",binstr,(unsigned char)buf[i]);

        } else if (15==(i%16)) {

            sprintf(binstr,"%s %02x",binstr,(unsigned char)buf[i]);

            sprintf(binstr,"%s  ",binstr);

            for (j=i-15;j<=i;j++) {

                sprintf(binstr,"%s%c",binstr,('!'<buf[j]&&buf[j]<='~')?buf[j]:'.');

            }

            printf("%s\n",binstr);

        } else {

            sprintf(binstr,"%s %02x",binstr,(unsigned char)buf[i]);

        }

    }

    if (0!=(i%16)) {

        k=16-(i%16);

        for (j=0;j<k;j++) {

            sprintf(binstr,"%s   ",binstr);

        }

        sprintf(binstr,"%s  ",binstr);

        k=16-k;

        for (j=i-k;j<i;j++) {

            sprintf(binstr,"%s%c",binstr,('!'<buf[j]&&buf[j]<='~')?buf[j]:'.');

        }

        printf("%s\n",binstr);

    }

}

jiemo1123 2012-10-29

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%p，输出指针(地址)

四流程序员的业余生活 2012-10-28

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printf（“%p”，777）

hongwenjun 2012-10-28

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#include <iostream>

#include <stdio.h>

#include <stdlib.h>

#include <string.h>

#include <ctype.h>



void printBinStr(const void* buf , size_t size);

void printHexStr(const void* buf , size_t size);



void test();



int main(int argc, char* argv[])

{



//   test();





    int seven  = 777;

    printBinStr(&seven , sizeof(seven));

    printHexStr(&seven , sizeof(seven));



    return 0;

}



void test()

{

    char arr[100];

    for (int i = 0; i != 100  ; ++i) {

        arr[i] = i + '1';

    }

    printBinStr(arr , sizeof(arr));



    putchar('\n');

// 打印文件

    const char* filename =  "main.cpp";



    FILE* f = fopen(filename, "rb");

    if (!f) {

        std::cerr << "Error: Cannot open File " << std::endl;

        exit(-1) ;

    }

    // Get file size:

    fseek(f, 0, SEEK_END);

    const long N = ftell(f);

    fclose(f);



    f = fopen(filename, "rb");

    char* buf = new char[N + 1];

    fread(buf, 1, N, f);

    buf[N] = '\0';



    printHexStr(buf , N);

}



void printBinStr(const void* buf , size_t size)

{

    unsigned char* str = (unsigned char*)buf;

    char line[512] = {0};

    const size_t lineLength = 6; // 每行6个字符

    char text[24] = {0};

    char sbin[10] = {0};

    char* pc;

    int textLength = lineLength;





    for (size_t ix = 0 ; ix < size ; ix += lineLength) {

        sprintf(line, "%.8xh: ", ix);

// 打印二进制

        for (size_t jx = 0 ; jx != lineLength ; jx++) {



            itoa(* (str + ix + jx),   sbin,   2);       //转换成字符串，进制基数为2



            if (ix + jx >= size) {

                sprintf(line + (11 + jx * 9), "         "); // 处理最后一行空白

                if (ix + jx == size)

                    textLength = jx;  // 处理最后一行文本截断

            } else

                sprintf(line + (11 + jx * 9), "%08s ", sbin);

        }

// 打印字符串

        {

            memcpy(text, str + ix, lineLength);

            pc = text;

            while (pc != text + lineLength) {

                if ((unsigned char)*pc < 0x20) // 空格之前为控制码

                    *pc = '.';                 // 控制码转成'.'显示

                pc++;

            }

            text[textLength] = '\0';

            sprintf(line + (11 + lineLength * 9), "; %s", text);

        }



        printf("%s\n", line);

    }

}



void printHexStr(const void* buf , size_t size)

{

    unsigned char* str = (unsigned char*)buf;

    char line[512] = {0};

    const size_t lineLength = 16; // 8或者32

    char text[24] = {0};

    char* pc;

    int textLength = lineLength;



    for (size_t ix = 0 ; ix < size ; ix += lineLength) {

        sprintf(line, "%.8xh: ", ix);

// 打印16进制

        for (size_t jx = 0 ; jx != lineLength ; jx++) {

            if (ix + jx >= size) {

                sprintf(line + (11 + jx * 3), "   "); // 处理最后一行空白

                if (ix + jx == size)

                    textLength = jx;  // 处理最后一行文本截断

            } else

                sprintf(line + (11 + jx * 3), "%.2X ", * (str + ix + jx));

        }

// 打印字符串

        {

            memcpy(text, str + ix, lineLength);

            pc = text;

            while (pc != text + lineLength) {

                if ((unsigned char)*pc < 0x20) // 空格之前为控制码

                    *pc = '.';                 // 控制码转成'.'显示

                pc++;

            }

            text[textLength] = '\0';

            sprintf(line + (11 + lineLength * 3), "; %s", text);

        }



        printf("%s\n", line);

    }

}

newtee 2012-10-28

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%x 16进制输出

内存值输出

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