fork(1) download
copy 
  1. #include <stdio.h>
  2. #include <stdlib.h>
  3.  
  4. static void errExit(const char *s)
  5. {
  6.     perror(s);
  7.     exit(-1);
  8. }
  9.  
  10. int main()
  11. {
  12.     const int base = 16;
  13.     const int height = 5;
  14.     const int width = 3;
  15.     const int csize = 3;
  16.     const char *fntPath = "moji.txt";
  17.     const char *outPath = "date.txt";
  18.     char fnt[base][height][width][csize];
  19.     char buf[8];
  20.     int c, i, j, k;
  21.     FILE *p;
  22.  
  23.     p = fopen(fntPath, "r");
  24.     if (p == NULL)
  25.         errExit(fntPath);
  26.     for (i = 0; i < base; i++)
  27.         for (j = 0; j < height; j++)
  28.             for (k = 0; k < width; k++) {
  29.                 fnt[i][j][k][0] = 0xE2;
  30.                 c = fgetc(p);
  31.                 switch(c) {
  32.                     case '0':
  33.                         fnt[i][j][k][1] = 0x80;
  34.                         fnt[i][j][k][2] = 0x95;
  35.                         break;
  36.                     case '1':
  37.                         fnt[i][j][k][1] = 0x97;
  38.                         fnt[i][j][k][2] = 0x8F;
  39.                         break;
  40.                     default:
  41.                         fclose(p);
  42.                         if (c < 0)
  43.                             errExit(fntPath);
  44.                         else {
  45.                              printf("%s: illegal character\n", fntPath);
  46.                              return -1;
  47.                          }
  48.                 }
  49.                 if (fseek(p, 1, SEEK_CUR) == EOF) {
  50.                     fclose(p);
  51.                     errExit(fntPath);
  52.                 }
  53.             }
  54.     if (fclose(p))
  55.          errExit(fntPath);
  56.  
  57.     p = fopen(outPath, "w");
  58.     if (p == NULL)
  59.          errExit(outPath);
  60.     for (i = 0; i < 5; i++) {
  61.         for (j = 0; j < sizeof(buf); j++)
  62.             buf[j] = rand() & 15;
  63.         for (j = 0; j < height; i++) {
  64.             for (k = 0; k < sizeof(buf); k++) {
  65.                 fwrite(fnt[buf[k]][j], csize, width, stdout);
  66.                 if (fwrite(fnt[buf[k]][j], csize, width, p) <= 0) {
  67.                     fclose(p);
  68.                     putchar('\n');
  69.                     errExit(outPath);
  70.                 }
  71.             }
  72.             fputc('\n', stdout);
  73.             if (fputc('\n', p) < 0) {
  74.                 fclose(p);
  75.                 errExit(outPath);
  76.             }
  77.         }
  78.     }
  79.     if (fclose(p))
  80.         errExit(outPath);
  81.  
  82.     return 0;
  83. }
Runtime error #stdin #stdout #stderr 0s 2136KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
Standard output is empty
stderr
copy 
moji.txt: No such file or directory
https://ideone.com/AxHZkk
language:
C (gcc 8.3)
created:
9 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!