UNIX 7th Ed. - /usr/src/cmd/size.c

   1: #include    <stdio.h>
   2: #include    <a.out.h>
   3: 
   4: /*
   5: 	size -- determine object size
   6: 
   7: */
   8: 
   9: int a_magic[] = {A_MAGIC1,A_MAGIC2,A_MAGIC3,A_MAGIC4,0};
  10: 
  11: main(argc, argv)
  12: char **argv;
  13: {
  14:     struct exec buf;
  15:     long sum;
  16:     int gorp,i;
  17:     FILE *f;
  18: 
  19:     if (argc==1) {
  20:         *argv = "a.out";
  21:         argc++;
  22:         --argv;
  23:     }
  24:     gorp = argc;
  25:     while(--argc) {
  26:         ++argv;
  27:         if ((f = fopen(*argv, "r"))==NULL) {
  28:             printf("size: %s not found\n", *argv);
  29:             continue;
  30:         }
  31:         fread((char *)&buf, sizeof(buf), 1, f);
  32:         for(i=0;a_magic[i];i++)
  33:             if(a_magic[i] == buf.a_magic) break;
  34:         if(a_magic[i] == 0) {
  35:             printf("size: %s not an object file\n", *argv);
  36:             fclose(f);
  37:             continue;
  38:         }
  39:         if (gorp>2)
  40:             printf("%s: ", *argv);
  41:         printf("%u+%u+%u = ", buf.a_text,buf.a_data,buf.a_bss);
  42:         sum = (long) buf.a_text + (long) buf.a_data + (long) buf.a_bss;
  43:         printf("%Db = 0%Ob\n", sum, sum);
  44:         fclose(f);
  45:     }
  46: }

Defined functions

Defined variables