X-Git-Url: https://git.distorted.org.uk/~mdw/ezmlm/blobdiff_plain/5b62e993b0af39700031c2875d7f6654e6a02850..f8beb284087c279acfb30506f5bb32baa4949b44:/issub.c

diff --git a/issub.c b/issub.c
deleted file mode 100644
index 81ab6ad..0000000
--- a/issub.c
+++ /dev/null
@@ -1,87 +0,0 @@
-#include "stralloc.h"
-#include "getln.h"
-#include "readwrite.h"
-#include "substdio.h"
-#include "open.h"
-#include "byte.h"
-#include "case.h"
-#include "lock.h"
-#include "error.h"
-#include "issub.h"
-#include "uint32.h"
-
-static stralloc addr = {0};
-static stralloc line = {0};
-static stralloc fn = {0};
-static int fd;
-static substdio ss;
-static char ssbuf[256];
-
-static int doit(userhost)
-char *userhost;
-{
-  int j;
-  uint32 h;
-  char ch;
-  int match;
-
-  if (!stralloc_copys(&addr,"T")) return -2;
-  if (!stralloc_cats(&addr,userhost)) return -2;
-
-  j = byte_rchr(addr.s,addr.len,'@');
-  if (j == addr.len) return 0;
-  case_lowerb(addr.s + j + 1,addr.len - j - 1);
-
-  h = 5381;
-  for (j = 0;j < addr.len;++j)
-    h = (h + (h << 5)) ^ (uint32) (unsigned char) addr.s[j];
-  ch = 64 + (h % 53);
-
-  if (!stralloc_0(&addr)) return -2;
-
-  if (!stralloc_copys(&fn,"subscribers/")) return -2;
-  if (!stralloc_catb(&fn,&ch,1)) return -2;
-  if (!stralloc_0(&fn)) return -2;
-
-  fd = open_read(fn.s);
-  if (fd == -1) {
-    if (errno != error_noent) return -3;
-    return 0;
-  }
-  substdio_fdbuf(&ss,read,fd,ssbuf,sizeof(ssbuf));
-
-  for (;;) {
-    if (getln(&ss,&line,&match,'\0') == -1) { close(fd); return -3; }
-    if (!match) break;
-    if (line.len == addr.len)
-      if (!byte_diff(line.s,line.len,addr.s)) { close(fd); return 1; }
-  }
-
-  close(fd);
-  return 0;
-}
-
-struct strerr issub_err;
-
-int issub(userhost)
-char *userhost;
-{
-  int fdlock;
-  int r;
-
-  fdlock = open_append("lock");
-  if (fdlock == -1)
-    STRERR_SYS(-1,issub_err,"unable to open lock: ")
-  if (lock_ex(fdlock) == -1) {
-    close(fdlock);
-    STRERR_SYS(-1,issub_err,"unable to obtain lock: ")
-  }
-
-  r = doit(userhost);
-  close(fdlock);
-
-  if (r == -2) STRERR(-1,issub_err,"out of memory")
-  if (r == -3) STRERR_SYS3(-1,issub_err,"unable to read ",fn.s,": ")
-
-  return r;
-}
diff --git a/issub.c b/issub.c
new file mode 120000
index 0000000..8d7ce9e
--- /dev/null
+++ b/issub.c
@@ -0,0 +1 @@
+sub_std/issub.c
\ No newline at end of file