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/**
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;
}
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