X-Git-Url: http://mj.ucw.cz/gitweb/?a=blobdiff_plain;ds=sidebyside;f=lib%2Fconf.h;h=85a9ebe564fad3b09d2c98cfae3c110af366cd9a;hb=ff36b07f44efa12a78809ee05bd6d0c25fc60495;hp=d2a56af5b30b877bf1eede49fa683bcc7fb74254;hpb=a78ee2126934389c3ca2b0d9c2176630ce7ed4ef;p=libucw.git

diff --git a/lib/conf.h b/lib/conf.h
index d2a56af5..85a9ebe5 100644
--- a/lib/conf.h
+++ b/lib/conf.h
@@ -1,22 +1,41 @@
 /*
- *	Sherlock Library -- Reading configuration files
+ *	UCW Library -- Reading of configuration files
  *
  *	(c) 2001 Robert Spalek <robert@ucw.cz>
+ *	(c) 2003--2005 Martin Mares <mj@ucw.cz>
+ *
+ *	This software may be freely distributed and used according to the terms
+ *	of the GNU Lesser General Public License.
  */
 
+#ifndef	_LIB_CONF_H
+#define	_LIB_CONF_H
+
 #include <getopt.h>
 
+/*
+ * Allocation in configuration memory pool.
+ */
+
+extern struct mempool *cfpool;
+void *cfg_malloc(uns size);
+void *cfg_malloc_zero(uns size);
+byte *cfg_strdup(byte *s);
+
 /*
  * Every module places its configuration setting into some section.  Section is
  * an array of cfitem, whose first record is of type CT_SECTION and contains
  * the name of the section.  The configuration sections are registered by
  * calling cf_register().
  *
+ * CT_INCOMPLETE_SECTION is identical to CT_SECTION, but when an unknown variable
+ * is spotted, we ignore it instead of bailing out with an error message.
+ *
  * item->var is a pointer to the destination variable or to the special parsing
  * function.
  */
 
-enum cftype { CT_STOP, CT_SECTION, CT_INT, CT_STRING, CT_FUNCTION };
+enum cftype { CT_STOP, CT_SECTION, CT_INCOMPLETE_SECTION, CT_INT, CT_STRING, CT_FUNCTION, CT_DOUBLE, CT_U64 };
 
 struct cfitem {
 	byte *name;
@@ -32,12 +51,29 @@ void cf_register(struct cfitem *items);
  * Direct setting of configuration items and parsing the configuration file.
  */
 
+int cf_item_count(void);
+struct cfitem *cf_get_item(byte *sect, byte *name);
 byte *cf_set_item(byte *sect, byte *name, byte *value);
 void cf_read(byte *filename);
 
+/*
+ * Number parsing functions which could be useful in CT_FUNCTION callbacks.
+ */
+
+byte *cf_parse_int(byte *value, uns *varp);
+byte *cf_parse_u64(byte *value, u64 *varp);
+byte *cf_parse_double(byte *value, double *varp);
+
 /*
  * When using cf_getopt, you must prefix your own short/long options by the
  * CF_(SHORT|LONG)_OPTS.
+ *
+ * cfdeffile contains filename of config file automatically loaded before a
+ * first --set option is executed.  If none --set option occures, it will be
+ * loaded after getopt returns -1 (at the end of configuration options).  It
+ * will be ignored, if another config file is set by --config option at first.
+ * Its initial value is DEFAULT_CONFIG from config.h, but you can override it
+ * manually.
  */
 
 #define	CF_SHORT_OPTS	"S:C:"
@@ -45,8 +81,15 @@ void cf_read(byte *filename);
 	{"set",		1, 0, 'S'},\
 	{"config",	1, 0, 'C'},
 #define CF_NO_LONG_OPTS (const struct option []){ CF_LONG_OPTS { NULL, 0, 0, 0 } }
+#define CF_USAGE_TAB ""
+#define	CF_USAGE	\
+"-S, --set sec.item=val\t" CF_USAGE_TAB "Manual setting of a configuration item\n\
+-C, --config filename\t" CF_USAGE_TAB "Overwrite default config filename\n"
+
+extern byte *cfdeffile;
 
 int cf_getopt(int argc,char * const argv[],
 		const char *shortopts,const struct option *longopts,
 		int *longindex);
 
+#endif