mirror of
https://github.com/RfidResearchGroup/proxmark3.git
synced 2024-09-21 07:46:12 +08:00
66 lines
1.6 KiB
C
66 lines
1.6 KiB
C
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <stdlib.h>
|
|
#include <sys/stat.h>
|
|
#include <stdarg.h>
|
|
#include "fileutils.h"
|
|
#include "ui.h"
|
|
/**
|
|
* @brief checks if a file exists
|
|
* @param filename
|
|
* @return
|
|
*/
|
|
int fileExists(const char *filename) {
|
|
struct _stat st;
|
|
int result = stat(filename, &st);
|
|
return result == 0;
|
|
}
|
|
|
|
int saveFile(const char *preferredName, const char *suffix, const void* data, size_t datalen)
|
|
{
|
|
int size = sizeof(char) * (strlen(preferredName)+strlen(suffix)+5);
|
|
char * fileName = malloc(size);
|
|
|
|
memset(fileName,0,size);
|
|
int num = 1;
|
|
sprintf(fileName,"%s.%s", preferredName, suffix);
|
|
while(fileExists(fileName))
|
|
{
|
|
sprintf(fileName,"%s-%d.%s", preferredName, num, suffix);
|
|
num++;
|
|
}
|
|
/* We should have a valid filename now, e.g. dumpdata-3.bin */
|
|
|
|
/*Opening file for writing in binary mode*/
|
|
FILE *fileHandle=fopen(fileName,"wb");
|
|
if(!fileHandle) {
|
|
prnlog("Failed to write to file '%s'", fileName);
|
|
return 1;
|
|
}
|
|
fwrite(data, 1, datalen, fileHandle);
|
|
fclose(fileHandle);
|
|
prnlog("Saved data to '%s'", fileName);
|
|
free(fileName);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* Utility function to print to console. This is used consistently within the library instead
|
|
* of printf, but it actually only calls printf (and adds a linebreak).
|
|
* The reason to have this method is to
|
|
* make it simple to plug this library into proxmark, which has this function already to
|
|
* write also to a logfile. When doing so, just delete this function.
|
|
* @param fmt
|
|
*/
|
|
void prnlog(char *fmt, ...)
|
|
{
|
|
|
|
va_list args;
|
|
va_start(args,fmt);
|
|
PrintAndLog(fmt, args);
|
|
//vprintf(fmt,args);
|
|
va_end(args);
|
|
//printf("\n");
|
|
}
|