bin文件转换成十六进制数组

#include <stdio.h> #include <stdlib.h> int bin2hex(FILE* in, FILE* out) { char buffer[4096]; int i, n; char table[16] = {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F'}; char stable[16] = {' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', '\n'}; while( (n = fread(buffer, 1, sizeof(buffer), in)) > 0 ) { for(i = 0; i < n; ++i) { int a = (buffer[i]>>4)&0x0F; int b = buffer[i] &0x0F; fputc('0', out); //wwt fputc('X', out); //wwt fputc(table[a], out); fputc(table[b], out); fputc(stable[i&0x0F], out); } } return 0; } int main(int argc, char** argv) { FILE* in; FILE* out; if(argc==3) { in = fopen(argv[1], "rb"); out = fopen(argv[2], "w"); } else if(argc==1) { in = stdin; out = stdout; } else if(argc==2) { in = fopen(argv[1], "rb"); out = stdout; } else { fprintf(stderr, "usage: bin2hex input output\n"); return 1; } bin2hex(in, out); return 0; }