native-tools/bin2h.c

   1
   2 #ifdef _MSC_VER
   3 #define _CRT_SECURE_NO_WARNINGS
   4 #endif
   5
   6 #include <stdio.h>
   7 #include <stdlib.h>
   8 #include <string.h>
   9 #include <errno.h>
  10
  11 int main (int argc, char *argv[])
  12 {
  13     char* input_name;
  14     FILE* input_file;
  15
  16     char* output_name;
  17     FILE* output_file;
  18
  19     char* variable_name;
  20
  21     if (4 != argc)
  22     {
  23         puts("Usage: bin2h [input] [output] [variable]");
  24         return EXIT_FAILURE;
  25     }
  26
  27     input_name = argv[1];
  28     output_name = argv[2];
  29     variable_name = argv[3];
  30
  31     input_file = fopen(input_name, "rb");
  32
  33     if (NULL == input_file)
  34     {
  35         printf("Could not open input file '%s': %s\n", input_name, strerror(errno));
  36         return EXIT_FAILURE;
  37     }
  38
  39     output_file = fopen(output_name, "w");
  40
  41     if (NULL == output_file)
  42     {
  43         printf("Could not open output file '%s': %s\n", output_name, strerror(errno));
  44         return EXIT_FAILURE;
  45     }
  46
  47     if (fprintf(output_file, "static const unsigned char %s[] = {", variable_name) < 0)
  48     {
  49         printf("Could not write to output file '%s': %s\n", output_name, strerror(ferror(output_file)));
  50         return EXIT_FAILURE;
  51     }
  52
  53     while (0 == feof(input_file))
  54     {
  55         unsigned char buffer[4096];
  56         size_t i, count = fread(buffer, 1, sizeof(buffer), input_file);
  57
  58         if (sizeof(buffer) != count)
  59         {
  60             if (0 == feof(input_file) || 0 != ferror(input_file))
  61             {
  62                 printf("Could not read from input file '%s': %s\n", input_name, strerror(ferror(input_file)));
  63                 return EXIT_FAILURE;
  64             }
  65         }
  66
  67         for (i = 0; i < count; ++i)
  68         {
  69             if ((i & 15) == 0)
  70             {
  71                 if (fprintf(output_file, "\n  ") < 0)
  72                 {
  73                     printf("Could not write to output file '%s': %s\n", output_name, strerror(ferror(output_file)));
  74                     return EXIT_FAILURE;
  75                 }
  76             }
  77
  78             if (fprintf(output_file, "0x%2.2x, ", buffer[i]) < 0)
  79             {
  80                 printf("Could not write to output file '%s': %s\n", output_name, strerror(ferror(output_file)));
  81                 return EXIT_FAILURE;
  82             }
  83
  84         }
  85     }
  86
  87     if (fprintf(output_file, "\n};\n") < 0)
  88     {
  89         printf("Could not write to output file '%s': %s\n", output_name, strerror(ferror(output_file)));
  90         return EXIT_FAILURE;
  91     }
  92
  93     if (fclose(output_file) < 0)
  94     {
  95         printf("Could not close output file '%s': %s\n", output_name, strerror(ferror(output_file)));
  96         return EXIT_FAILURE;
  97     }
  98
  99     return EXIT_SUCCESS;
 100 }