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[unix-history] / usr / src / cmd / size.c

#include        <stdio.h>
#include        <a.out.h>

/*
       size -- determine object size

*/

int a_magic[] = {A_MAGIC1,A_MAGIC2,A_MAGIC3,A_MAGIC4,0};

main(argc, argv)
char **argv;
{
       struct exec buf;
       long sum;
       int gorp,i;
       FILE *f;

       if (argc==1) {
               *argv = "a.out";
               argc++;
               --argv;
       }
       gorp = argc;
       while(--argc) {
               ++argv;
               if ((f = fopen(*argv, "r"))==NULL) {
                       printf("size: %s not found\n", *argv);
                       continue;
               }
               fread((char *)&buf, sizeof(buf), 1, f);
               for(i=0;a_magic[i];i++)
                       if(a_magic[i] == buf.a_magic) break;
               if(a_magic[i] == 0) {
                       printf("size: %s not an object file\n", *argv);
                       fclose(f);
                       continue;
               }
               if (gorp>2)
                       printf("%s: ", *argv);
               printf("%u+%u+%u = ", buf.a_text,buf.a_data,buf.a_bss);
               sum = (long) buf.a_text + (long) buf.a_data + (long) buf.a_bss;
               printf("%Db = 0%Ob\n", sum, sum);
               fclose(f);
       }
}