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dir.c

#include "globals.h"
#include "../fileio/machdr.h"
#include "../fileio/wrfile.h"
#include "../util/util.h"
#include "../util/masks.h"

extern char *malloc();
extern char *realloc();

static char *dir_stack;
static int dir_ptr = -64;
static int dir_max;

void dir(hdr)
char *hdr;
{
int doit;

    if((hdr[I_NAMEOFF] & BYTEMASK) == 0x80) {
      if(dir_skip) {
          dir_skip--;
          return;
      }
      indent--;
      if(list) {
          do_indent(indent);
          (void)fprintf(stderr, "leaving folder \"%s\"\n",
                dir_stack + dir_ptr);
      }
      if(!info_only) {
          enddir();
      }
      dir_ptr -= 64;
      return;
    }
    if(dir_skip) {
      dir_skip++;
      return;
    }
    dir_ptr += 64;
    if(dir_ptr == dir_max) {
      if(dir_max == 0) {
          dir_stack = malloc(64);
      } else {
          dir_stack = realloc(dir_stack, (unsigned)dir_max + 64);
      }
      dir_max += 64;
      if(dir_stack == NULL) {
          (void)fprintf(stderr, "Insufficient memory\n");
          exit(1);
      }
    }
    transname(hdr + I_NAMEOFF + 1, dir_stack + dir_ptr,
            (int)(hdr[I_NAMEOFF] & 0x7f));
    doit = 1;
    if(list) {
      do_indent(indent);
      (void)fprintf(stderr, "folder=\"%s\"", dir_stack + dir_ptr);
      if(query) {
          doit = do_query();
      } else {
          (void)fputc('\n', stderr);
      }
    }
    if(!doit) {
      dir_ptr -= 64;
      dir_skip = 1;
      return;
    }
    if(!info_only) {
      do_mkdir(dir_stack + dir_ptr, hdr);
    }
    indent++;
}


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