From a94620ffd6001681474a94f5de767f168d772d1c Mon Sep 17 00:00:00 2001
From: Heikki Levanto <heikki@indexdata.dk>
Date: Wed, 17 Nov 2004 13:03:07 +0000
Subject: [PATCH] Added an option to specify -word in the loglevel parsing, to
 clear a specific bit: -v all,-log

---
 doc/tools.xml |    7 ++++---
 src/log.c     |   16 +++++++++++++---
 2 files changed, 17 insertions(+), 6 deletions(-)

diff --git a/doc/tools.xml b/doc/tools.xml
index cf77afc..01fb2c5 100644
--- a/doc/tools.xml
+++ b/doc/tools.xml
@@ -1,4 +1,4 @@
-<!-- $Id: tools.xml,v 1.39 2004-11-16 17:08:11 heikki Exp $ -->
+<!-- $Id: tools.xml,v 1.40 2004-11-17 13:03:07 heikki Exp $ -->
  <chapter id="tools"><title>Supporting Tools</title>
   
   <para>
@@ -1850,8 +1850,9 @@ typedef struct oident
    logged. This string should be a comma-separated list of log level names,
    and can contain both hard-coded names and dynamic ones. The log level
    calculation starts with <literal>LOG_DEFAULT_LEVEL</literal> and adds a bit
-   for each word it meets. If the string <literal>'none'</literal> is found,
-   the bits are cleared. Typically this string comes from the command-line,
+   for each word it meets, unless the word starts with a '-', in which case it 
+   clears the bit. If the string <literal>'none'</literal> is found,
+   all bits are cleared. Typically this string comes from the command-line,
    often identified by <literal>-v</literal>. The
    <function>yaz_log_mask_str</function> returns a log level that should be
    passed to <function>yaz_log_init_level</function> for it to take effect.
diff --git a/src/log.c b/src/log.c
index d8a3652..ecdb458 100644
--- a/src/log.c
+++ b/src/log.c
@@ -2,7 +2,7 @@
  * Copyright (c) 1995-2004, Index Data
  * See the file LICENSE for details.
  *
- * $Id: log.c,v 1.14 2004-11-16 17:08:11 heikki Exp $
+ * $Id: log.c,v 1.15 2004-11-17 13:03:07 heikki Exp $
  */
 
 /**
@@ -397,15 +397,22 @@ int yaz_log_mask_str_x (const char *str, int level)
     const char *p;
     int i;
     int found;
+    int negated;
     char clean[255] = "";
     char *n = clean;
 
     while (*str)
     {
         found = 0;
+        negated=0;
         for (p = str; *p && *p != ','; p++)
             ;
-        if (*str == '-' || isdigit(*str))
+        if (*str=='-')
+        {
+            negated=1;
+            str++;
+        }
+        if (isdigit(*str))
         {
             level = atoi (str);
             found = 1;
@@ -417,7 +424,10 @@ int yaz_log_mask_str_x (const char *str, int level)
                 if (0==strcmp (mask_names[i].name,n))
                 {
                     if (mask_names[i].mask)
-                        level |= mask_names[i].mask;
+                        if (negated)
+                            level &= ~mask_names[i].mask;
+                        else
+                            level |= mask_names[i].mask;
                     else
                         level = 0; /* 'none' clears them all */
                     found = 1;
-- 
1.7.10.4