linux 读取二进制文件

#include <stdio.h>
#include <stdlib.h>

int main() {
    FILE *file;
    char *buffer;
    long fileSize;

    // 打开文件
    file = fopen("example.bin", "rb");
    if (!file) {
        perror("Failed to open file");
        return EXIT_FAILURE;
    }

    // 获取文件大小
    fseek(file, 0, SEEK_END);
    fileSize = ftell(file);
    fseek(file, 0, SEEK_SET);

    // 分配内存缓冲区
    buffer = (char*)malloc(fileSize);
    if (!buffer) {
        perror("Failed to allocate memory");
        fclose(file);
        return EXIT_FAILURE;
    }

    // 读取文件内容到缓冲区
    size_t result = fread(buffer, 1, fileSize, file);
    if (result != fileSize) {
        perror("Failed to read file");
        free(buffer);
        fclose(file);
        return EXIT_FAILURE;
    }

    // 处理数据...

    // 清理资源
    free(buffer);
    fclose(file);

    return EXIT_SUCCESS;
}