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- #include "readsubdir.h"
- #include "fmt.h"
- #include "scan.h"
- #include "str.h"
- #include "auto_split.h"
-
- void readsubdir_init(rs,name,pause)
- readsubdir *rs;
- char *name;
- void (*pause)();
- {
- rs->name = name;
- rs->pause = pause;
- rs->dir = 0;
- rs->pos = 0;
- }
-
- static char namepos[FMT_ULONG + 4 + READSUBDIR_NAMELEN];
-
- int readsubdir_next(rs,id)
- readsubdir *rs;
- unsigned long *id;
- {
- direntry *d;
- unsigned int len;
-
- if (!rs->dir)
- {
- if (rs->pos >= auto_split) return 0;
- if (str_len(rs->name) > READSUBDIR_NAMELEN) { rs->pos++; return -1; }
- len = 0;
- len += fmt_str(namepos + len,rs->name);
- namepos[len++] = '/';
- len += fmt_ulong(namepos + len,(unsigned long) rs->pos);
- namepos[len] = 0;
- while (!(rs->dir = opendir(namepos))) rs->pause(namepos);
- rs->pos++;
- return -1;
- }
-
- d = readdir(rs->dir);
- if (!d) { closedir(rs->dir); rs->dir = 0; return -1; }
-
- if (str_equal(d->d_name,".")) return -1;
- if (str_equal(d->d_name,"..")) return -1;
- len = scan_ulong(d->d_name,id);
- if (!len || d->d_name[len]) return -2;
- return 1;
- }
-