mirror of
https://github.com/zerotier/ZeroTierOne.git
synced 2024-12-27 16:28:52 +00:00
58 lines
1.3 KiB
C
58 lines
1.3 KiB
C
/**
|
|
Converts input from stdin into an array of binary data for use in C.
|
|
|
|
License: Public Domain
|
|
|
|
Usage: app VariableName < input > output.c
|
|
*/
|
|
|
|
#include <stdint.h> /* uintXX_t */
|
|
#include <inttypes.h> /* PRIuXX macros */
|
|
#include <stdio.h>
|
|
|
|
static char const * appName = 0;
|
|
|
|
static void usage()
|
|
{
|
|
printf("Usage: %s OBJECT_NAME < input > output.c\n\n", appName );
|
|
}
|
|
|
|
int main( int argc, char const ** argv )
|
|
{
|
|
appName = argv[0];
|
|
if( (argc != 2) || (argv[1][0] == '-') )
|
|
{
|
|
usage();
|
|
return 1;
|
|
}
|
|
char const * varname = argv[1];
|
|
enum { bufSize = 1024 * 8 };
|
|
unsigned char buf[bufSize];
|
|
size_t rd = 0;
|
|
size_t i = 0;
|
|
size_t flip = 0;
|
|
|
|
printf( "static unsigned char %s[] = {\n\t", varname);
|
|
uint32_t size = 0;
|
|
while( 0 != (rd = fread( buf, 1, bufSize, stdin ) ) )
|
|
{
|
|
size += rd;
|
|
for(i = 0; i < rd; ++i )
|
|
{
|
|
printf( "0x%02x", buf[i] );
|
|
if( !( (rd < bufSize) && (i == rd-1)) ) putchar(',');
|
|
if( 16 == ++flip )
|
|
{
|
|
flip = 0;
|
|
printf("\n\t");
|
|
}
|
|
else putchar(' ');
|
|
}
|
|
}
|
|
printf("\n};\n");
|
|
printf("#define %s_LEN %llu\n",varname,(unsigned long long)size);
|
|
//printf( "enum { %s_length = %"PRIu32"%s }; ", varname, size,"UL");
|
|
//printf("enum { %s_length = sizeof(%s) };\n", varname, varname );
|
|
return 0;
|
|
}
|