qmail 1.03 import

1 files changed, 49 insertions, 0 deletions

diff --git a/readsubdir.c b/readsubdir.c
new file mode 100644
index 0000000..81aa241
--- /dev/null
+++ b/readsubdir.c
@@ -0,0 +1,49 @@
+#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;
+}