bin2hex.c

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

#define MAX_NUM 512

void remove_suffix(const char* filename,char* resault);
void append_string(char* base_string,const char* append_string);
void replace_char(char* base_string,char origin,char target);

void printUsage()
{
	printf("Usage:\n\tbin2hex.exe $READ_MODE $FILEs\n$READ_MODE Options:\n\trb\t(read binary)\n\tr\t(read text)\n");
}

int main(int argc,char* argv[])
{
	if(argc < 3)
	{
		printf("Error:The arguments should great then 1.\n");
		printUsage();
		return -1;
	}

	char file_name_cache[MAX_NUM];
	memset(file_name_cache, 0, MAX_NUM);

	bool is_rb_mode = (strcmp(argv[1],"rb") == 0);
	bool is_r_mode = (strcmp(argv[1],"r") == 0);
	

	if(!(is_rb_mode || is_r_mode))
	{
		printUsage();
		return -1;
	}

	for(int fileIndex=2;fileIndex<argc;++fileIndex)
	{
		FILE* fp=fopen(argv[fileIndex], argv[1]);
		if(fp==NULL)
		{
			printf("Error:Open File \"%s\" faild.\n",argv[fileIndex]);
			continue;
		}else{
			memset(file_name_cache, 0, MAX_NUM);
			strcpy(file_name_cache,argv[fileIndex]);
		}
		char local_file_name[MAX_NUM];
		replace_char(file_name_cache, '.', '_');
		strcpy(local_file_name,file_name_cache);
		append_string(file_name_cache, ".h");

		FILE* savefilefd=fopen(file_name_cache,"wb");
		fprintf(savefilefd,"// origin file: %s\n",argv[fileIndex]);
		remove_suffix(argv[fileIndex], file_name_cache);
		fprintf(savefilefd, "static const unsigned char\n  %s_data[]=\n  {\n\t",local_file_name);

		for(int fileItem=0,count=1;(fileItem=getc(fp))!=EOF;++count)
		{
			fprintf(savefilefd,"0x%02x,",fileItem & 0xff);
			if(count>1 && count%12==0)
			{
				fprintf(savefilefd, "\n\t");
			}
		}
		if(is_r_mode)
		{
			fprintf(savefilefd,"0x00");
		}
		fprintf(savefilefd,"\n  };\n");
		fclose(fp);
		fclose(savefilefd);
	}

	return 0;
}

void remove_suffix(const char* filename,char* resault)
{
	if(!resault)
		return;
	memset(resault,0,MAX_NUM);

	char *pos=strstr(filename, ".");
	if(pos)
	{
		int posIndex=pos-filename;
		for(int i=0; i<posIndex && i<MAX_NUM;++i)
		{
			resault[i]=filename[i];
		}
	}
}

void append_string(char* base_string,const char* append_string)
{
	if(!append_string)
		return;
	int basestring_len=strlen(base_string);
	int append_string_len=strlen(append_string);

	if((basestring_len+append_string_len) < MAX_NUM)
	{
		for(int index=0;index < append_string_len;++index)
			base_string[basestring_len+index]=append_string[index];
	}
}

void replace_char(char* base_string,char origin,char target)
{
	if(!base_string)
		return;
	for(char *p=base_string;(p=strchr(p, origin));++p)
	{
		*p=target;
	}
}