X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/55414b25bee9f0195ccd1e47f3d3b5cba766e099..dd90c19962a63fe966e17c75b4a36639302d1e67:/src/src/string.c

diff --git a/src/src/string.c b/src/src/string.c
index 76e47f418..461dac56b 100644
--- a/src/src/string.c
+++ b/src/src/string.c
@@ -2,7 +2,7 @@
 *     Exim - an Internet mail transport agent    *
 *************************************************/
 
-/* Copyright (c) University of Cambridge 1995 - 2014 */
+/* Copyright (c) University of Cambridge 1995 - 2015 */
 /* See the file NOTICE for conditions of use and distribution. */
 
 /* Miscellaneous string-handling functions. Some are not required for
@@ -1013,12 +1013,17 @@ return new;
 static const uschar *
 Ustrnchr(const uschar * s, int c, unsigned * len)
 {
-while (*len)
+unsigned siz = *len;
+while (siz)
   {
   if (!*s) return NULL;
-  if (*s == c) return s;
+  if (*s == c)
+    {
+    *len = siz;
+    return s;
+    }
   s++;
-  *len--;
+  siz--;
   }
 return NULL;
 }
@@ -1542,14 +1547,35 @@ static uschar *
 string_get_localpart(address_item *addr, uschar *yield, int *sizeptr,
   int *ptrptr)
 {
-if (testflag(addr, af_include_affixes) && addr->prefix != NULL)
-  yield = string_cat(yield, sizeptr, ptrptr, addr->prefix,
-    Ustrlen(addr->prefix));
-yield = string_cat(yield, sizeptr, ptrptr, addr->local_part,
-  Ustrlen(addr->local_part));
-if (testflag(addr, af_include_affixes) && addr->suffix != NULL)
-  yield = string_cat(yield, sizeptr, ptrptr, addr->suffix,
-    Ustrlen(addr->suffix));
+uschar * s;
+
+s = addr->prefix;
+if (testflag(addr, af_include_affixes) && s)
+  {
+#ifdef EXPERIMENTAL_INTERNATIONAL
+  if (testflag(addr, af_utf8_downcvt))
+    s = string_localpart_utf8_to_alabel(s, NULL);
+#endif
+  yield = string_cat(yield, sizeptr, ptrptr, s, Ustrlen(s));
+  }
+
+s = addr->local_part;
+#ifdef EXPERIMENTAL_INTERNATIONAL
+if (testflag(addr, af_utf8_downcvt))
+  s = string_localpart_utf8_to_alabel(s, NULL);
+#endif
+yield = string_cat(yield, sizeptr, ptrptr, s, Ustrlen(s));
+
+s = addr->suffix;
+if (testflag(addr, af_include_affixes) && s)
+  {
+#ifdef EXPERIMENTAL_INTERNATIONAL
+  if (testflag(addr, af_utf8_downcvt))
+    s = string_localpart_utf8_to_alabel(s, NULL);
+#endif
+  yield = string_cat(yield, sizeptr, ptrptr, s, Ustrlen(s));
+  }
+
 return yield;
 }
 
@@ -1610,10 +1636,15 @@ else
   {
   if (addr->local_part != NULL)
     {
+    const uschar * s;
     yield = string_get_localpart(addr, yield, &size, &ptr);
     yield = string_cat(yield, &size, &ptr, US"@", 1);
-    yield = string_cat(yield, &size, &ptr, addr->domain,
-      Ustrlen(addr->domain) );
+    s = addr->domain;
+#ifdef EXPERIMENTAL_INTERNATIONAL
+    if (testflag(addr, af_utf8_downcvt))
+      s = string_localpart_utf8_to_alabel(s, NULL);
+#endif
+    yield = string_cat(yield, &size, &ptr, s, Ustrlen(s) );
     }
   else
     {
@@ -1675,6 +1706,17 @@ return yield;
 #endif  /* COMPILE_UTILITY */
 
 
+#ifndef COMPILE_UTILITY
+/* qsort(3), currently used to sort the environment variables
+for -bP environment output, needs a function to compare two pointers to string
+pointers. Here it is. */
+
+int
+string_compare_by_pointer(const void *a, const void *b)
+{
+return Ustrcmp(* CUSS a, * CUSS b);
+}
+#endif /* COMPILE_UTILITY */