Added SILC Server library.

[silc.git] / lib / silcutil / silcconfig.c

diff --git a/lib/silcutil/silcconfig.c b/lib/silcutil/silcconfig.c
index 1f3e4699fdf79d20891961d4463f4b507dd69a73..93e27d2d3560ac655a6300e1c34662e444124ef6 100644 (file)
--- a/lib/silcutil/silcconfig.c
+++ b/lib/silcutil/silcconfig.c
@@ -2,14 +2,13 @@
 
   silcconfig.c
 
-  Author: Johnny Mnemonic <johnny@themnemonic.org>
+  Author: Giovanni Giacobbi <giovanni@giacobbi.net>
 
-  Copyright (C) 1997 - 2002 Pekka Riikonen
+  Copyright (C) 2002 - 2003 Giovanni Giacobbi
 
   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
-  the Free Software Foundation; either version 2 of the License, or
-  (at your option) any later version.
+  the Free Software Foundation; version 2 of the License.
 
   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -19,7 +18,7 @@
 */
 /* $Id$ */
 
-#include "silcincludes.h"
+#include "silc.h"
 
 /* limit debug logging verbosity */
 #if 0
@@ -48,7 +47,7 @@ struct SilcConfigFileObject {
   char *p;             /* the Parser poitner */
   SilcUInt32 len;      /* fixed length of the whole file */
   SilcUInt32 line;     /* current parsing line, strictly linked to p */
-  bool included;       /* wether this file is main or included */
+  SilcBool included;   /* wether this file is main or included */
 };
 
 /* We need the entity to base our block-style parsing on */
@@ -95,7 +94,7 @@ char *silc_config_strerror(int errnum)
 static void my_trim_spaces(SilcConfigFile *file)
 {
   register char *r = file->p;
-  while (isspace(*r))
+  while ((*r != '\0' && *r != EOF) && isspace(*r))
     if (*r++ == '\n') file->line++;
   file->p = r;
 }
@@ -103,8 +102,8 @@ static void my_trim_spaces(SilcConfigFile *file)
 static void my_skip_line(SilcConfigFile *file)
 {
   register char *r = file->p;
-  while (*r && (*r != '\n') && (*r != '\r')) r++;
-  file->p = (*r ? r + 1 : r);
+  while ((*r != '\0' && *r != EOF) && (*r != '\n') && (*r != '\r')) r++;
+  file->p = ((*r != '\0' && *r != EOF) ? r + 1 : r);
   file->line++;
 }
 /* Obtains a text token from the current position until first separator.
@@ -172,12 +171,13 @@ static SilcConfigOption *silc_config_find_option(SilcConfigEntity ent,
   }
   return NULL;
 }
-/* ... */
+/* Converts a string in the type specified. returns a dynamically
+ * allocated pointer. */
 static void *silc_config_marshall(SilcConfigType type, const char *val)
 {
   void *pt;
   int val_int;
-  bool val_bool;
+  SilcBool val_boolean;
   char *val_tmp;
   SilcUInt32 val_size;
 
@@ -185,16 +185,16 @@ static void *silc_config_marshall(SilcConfigType type, const char *val)
     case SILC_CONFIG_ARG_TOGGLE:
       if (!strcasecmp(val, "yes") || !strcasecmp(val, "true") ||
                !strcasecmp(val, "on") || !strcasecmp(val, "1")) {
-       val_bool = TRUE;
+       val_boolean = TRUE;
       }
       else if (!strcasecmp(val, "no") || !strcasecmp(val, "false") ||
                !strcasecmp(val, "off") || !strcasecmp(val, "0")) {
-       val_bool = FALSE;
+       val_boolean = FALSE;
       }
       else
        return NULL;
-      pt = silc_calloc(1, sizeof(val_bool));
-      *(bool *)pt = (bool) val_bool;
+      pt = silc_calloc(1, sizeof(val_boolean));
+      *(SilcBool *)pt = (SilcBool) val_boolean;
       return pt;
     case SILC_CONFIG_ARG_INT:
       val_int = (int) strtol(val, &val_tmp, 0);
@@ -354,7 +354,7 @@ char *silc_config_read_current_line(SilcConfigFile *file)
 
 /* (Private) destroy a SilcConfigEntity */
 
-static void silc_config_destroy(SilcConfigEntity ent, bool destroy_opts)
+static void silc_config_destroy(SilcConfigEntity ent, SilcBool destroy_opts)
 {
   SilcConfigOption *oldopt, *nextopt;
   SILC_CONFIG_DEBUG(("Freeing config entity [ent=0x%x] [opts=0x%x]",
@@ -380,7 +380,7 @@ static void silc_config_destroy(SilcConfigEntity ent, bool destroy_opts)
 /* Registers a new option in the specified entity.
  * Returns TRUE on success, FALSE if already registered. */
 
-bool silc_config_register(SilcConfigEntity ent, const char *name,
+SilcBool silc_config_register(SilcConfigEntity ent, const char *name,
                          SilcConfigType type, SilcConfigCallback cb,
                          const SilcConfigTable *subtable, void *context)
 {
@@ -424,7 +424,7 @@ bool silc_config_register(SilcConfigEntity ent, const char *name,
 
 /* Register a new option table in the specified config entity */
 
-bool silc_config_register_table(SilcConfigEntity ent,
+SilcBool silc_config_register_table(SilcConfigEntity ent,
                                const SilcConfigTable table[], void *context)
 {
   int i;
@@ -578,7 +578,7 @@ static int silc_config_main_internal(SilcConfigEntity ent)
     }
     else {
       void *pt;
-      int ret;
+      int ret = 0;     /* very important in case of no cb */
 
       if (*(*p)++ != '=')
        return SILC_CONFIG_EEXPECTEDEQUAL;
@@ -594,15 +594,17 @@ static int silc_config_main_internal(SilcConfigEntity ent)
       pt = silc_config_marshall(thisopt->type, buf);
       if (!pt)
        return SILC_CONFIG_EINVALIDTEXT;
-      if (thisopt->cb) {
+      if (thisopt->cb)
        ret = thisopt->cb(thisopt->type, thisopt->name, file->line,
                          pt, thisopt->context);
-       if (ret) {
-         SILC_CONFIG_DEBUG(("Callback refused the value [ret=%d]", ret));
-         return ret;
-       }
-      }
+
+      /* since we have to free "pt" both on failure and on success, we
+         assume that ret == 0 if we didn't actually call any cb. */
       silc_free(pt);
+      if (ret) {
+       SILC_CONFIG_DEBUG(("Callback refused the value [ret=%d]", ret));
+       return ret;
+      }
     }
     continue;