constify

[exim.git] / src / src / lookups / nisplus.c

diff --git a/src/src/lookups/nisplus.c b/src/src/lookups/nisplus.c
index e2115a520627063ad9f643e1dcb1e844c9d953e7..370f6a655ca1366df0a1c1a40e4d5a7c78bfce99 100644 (file)
--- a/src/src/lookups/nisplus.c
+++ b/src/src/lookups/nisplus.c
@@ -18,7 +18,7 @@
 /* See local README for interface description. */
 
 static void *
-nisplus_open(uschar *filename, uschar **errmsg)
+nisplus_open(const uschar * filename, uschar ** errmsg)
 {
 return (void *)(1);    /* Just return something non-null */
 }
@@ -42,10 +42,9 @@ yield is the concatenation of all the fields, preceded by their names and an
 equals sign. */
 
 static int
-nisplus_find(void *handle, uschar *filename, const uschar *query, int length,
-  uschar **result, uschar **errmsg, uint *do_cache)
+nisplus_find(void * handle, const uschar * filename, const uschar * query,
+  int length, uschar ** result, uschar ** errmsg, uint * do_cache)
 {
-int i;
 int error_error = FAIL;
 const uschar * field_name = NULL;
 nis_result *nrt = NULL;
@@ -138,7 +137,7 @@ was given, look for that field; otherwise concatenate all the fields
 with their names. */
 
 eo = &(eno->zo_data.objdata_u.en_data);
-for (i = 0; i < eo->en_cols.en_cols_len; i++)
+for (int i = 0; i < eo->en_cols.en_cols_len; i++)
   {
   table_col *tc = ta->ta_cols.ta_cols_val + i;
   entry_col *ec = eo->en_cols.en_cols_val + i;
@@ -149,7 +148,8 @@ for (i = 0; i < eo->en_cols.en_cols_len; i++)
   empty string for consistency. Remove trailing whitespace and zero
   bytes. */
 
-  if (value == NULL) value = US""; else
+  if (!value) value = US"";
+  else
     while (len > 0 && (value[len-1] == 0 || isspace(value[len-1])))
       len--;
 
@@ -157,16 +157,15 @@ for (i = 0; i < eo->en_cols.en_cols_len; i++)
 
   if (!field_name)
     {
-    yield = string_cat (yield, tc->tc_name);
+    yield = string_cat (yield, US tc->tc_name);
     yield = string_catn(yield, US"=", 1);
 
     /* Quote the value if it contains spaces or is empty */
 
     if (value[0] == 0 || Ustrchr(value, ' ') != NULL)
       {
-      int j;
       yield = string_catn(yield, US"\"", 1);
-      for (j = 0; j < len; j++)
+      for (int j = 0; j < len; j++)
         {
         if (value[j] == '\"' || value[j] == '\\')
           yield = string_catn(yield, US"\\", 1);
@@ -196,7 +195,7 @@ if (field_name)
   *errmsg = string_sprintf("NIS+ field %s not found for %s", field_name,
     query);
 else
-  store_reset(yield->s + yield->ptr + 1);
+  gstring_release_unused(yield);
 
 /* Free result store before finishing. */
 
@@ -241,7 +240,7 @@ if (opt != NULL) return NULL;    /* No options recognized */
 while (*t != 0) if (*t++ == '\"') count++;
 if (count == 0) return s;
 
-t = quoted = store_get(Ustrlen(s) + count + 1);
+t = quoted = store_get(Ustrlen(s) + count + 1, is_tainted(s));
 
 while (*s != 0)
   {