Start moving types that will be used for config vars to lib/conf

This will be a lower-level module than anything that actually
sets or handles configuration variables.

Part of 30864.

src/app/config/confparse.h

@@ -13,70 +13,7 @@
 #ifndef TOR_CONFPARSE_H
 #define TOR_CONFPARSE_H
 
-/** Enumeration of types which option values can take */
-typedef enum config_type_t {
-  CONFIG_TYPE_STRING = 0,   /**< An arbitrary string. */
-  CONFIG_TYPE_FILENAME,     /**< A filename: some prefixes get expanded. */
-  CONFIG_TYPE_POSINT,         /**< A non-negative integer less than MAX_INT */
-  CONFIG_TYPE_INT,          /**< Any integer. */
-  CONFIG_TYPE_UINT64,       /**< A value in range 0..UINT64_MAX */
-  CONFIG_TYPE_INTERVAL,     /**< A number of seconds, with optional units*/
-  CONFIG_TYPE_MSEC_INTERVAL,/**< A number of milliseconds, with optional
-                              * units */
-  CONFIG_TYPE_MEMUNIT,      /**< A number of bytes, with optional units*/
-  CONFIG_TYPE_DOUBLE,       /**< A floating-point value */
-  CONFIG_TYPE_BOOL,         /**< A boolean value, expressed as 0 or 1. */
-  CONFIG_TYPE_AUTOBOOL,     /**< A boolean+auto value, expressed 0 for false,
-                             * 1 for true, and -1 for auto  */
-  CONFIG_TYPE_ISOTIME,      /**< An ISO-formatted time relative to UTC. */
-  CONFIG_TYPE_CSV,          /**< A list of strings, separated by commas and
-                              * optional whitespace. */
-  CONFIG_TYPE_CSV_INTERVAL, /**< A list of strings, separated by commas and
-                              * optional whitespace, representing intervals in
-                              * seconds, with optional units.  We allow
-                              * multiple values here for legacy reasons, but
-                              * ignore every value after the first. */
-  CONFIG_TYPE_LINELIST,     /**< Uninterpreted config lines */
-  CONFIG_TYPE_LINELIST_S,   /**< Uninterpreted, context-sensitive config lines,
-                             * mixed with other keywords. */
-  CONFIG_TYPE_LINELIST_V,   /**< Catch-all "virtual" option to summarize
-                             * context-sensitive config lines when fetching.
-                             */
-  CONFIG_TYPE_ROUTERSET,    /**< A list of router names, addrs, and fps,
-                             * parsed into a routerset_t. */
-  CONFIG_TYPE_OBSOLETE,     /**< Obsolete (ignored) option. */
-} config_type_t;
-
-#ifdef TOR_UNIT_TESTS
-/**
- * Union used when building in test mode typechecking the members of a type
- * used with confparse.c.  See CONF_CHECK_VAR_TYPE for a description of how
- * it is used. */
-typedef union {
-  char **STRING;
-  char **FILENAME;
-  int *POSINT; /* yes, really: Even though the confparse type is called
-              * "POSINT", it still uses the C int type -- it just enforces that
-              * the values are in range [0,INT_MAX].
-              */
-  uint64_t *UINT64;
-  int *INT;
-  int *PORT;
-  int *INTERVAL;
-  int *MSEC_INTERVAL;
-  uint64_t *MEMUNIT;
-  double *DOUBLE;
-  int *BOOL;
-  int *AUTOBOOL;
-  time_t *ISOTIME;
-  smartlist_t **CSV;
-  int *CSV_INTERVAL;
-  struct config_line_t **LINELIST;
-  struct config_line_t **LINELIST_S;
-  struct config_line_t **LINELIST_V;
-  routerset_t **ROUTERSET;
-} confparse_dummy_values_t;
-#endif /* defined(TOR_UNIT_TESTS) */
+#include "lib/conf/conftypes.h"
 
 /** An abbreviation for a configuration option allowed on the command line. */
 typedef struct config_abbrev_t {

src/include.am

@@ -5,6 +5,7 @@ include src/lib/err/include.am
 include src/lib/cc/include.am
 include src/lib/ctime/include.am
 include src/lib/compress/include.am
+include src/lib/conf/include.am
 include src/lib/container/include.am
 include src/lib/crypt_ops/include.am
 include src/lib/defs/include.am

src/lib/conf/.may_include

@@ -0,0 +1,2 @@
+orconfig.h
+lib/cc/*.h

src/lib/conf/conftypes.h

@@ -0,0 +1,83 @@
+/* Copyright (c) 2001 Matej Pfajfar.
+ * Copyright (c) 2001-2004, Roger Dingledine.
+ * Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
+ * Copyright (c) 2007-2019, The Tor Project, Inc. */
+/* See LICENSE for licensing information */
+
+/**
+ * @file conftypes.h
+ * @brief Types used to specify configurable options.
+ **/
+
+#ifndef TOR_SRC_LIB_CONF_CONFTYPES_H
+#define TOR_SRC_LIB_CONF_CONFTYPES_H
+
+#include "lib/cc/torint.h"
+
+/** Enumeration of types which option values can take */
+typedef enum config_type_t {
+  CONFIG_TYPE_STRING = 0,   /**< An arbitrary string. */
+  CONFIG_TYPE_FILENAME,     /**< A filename: some prefixes get expanded. */
+  CONFIG_TYPE_POSINT,       /**< A non-negative integer less than MAX_INT */
+  CONFIG_TYPE_INT,          /**< Any integer. */
+  CONFIG_TYPE_UINT64,       /**< A value in range 0..UINT64_MAX */
+  CONFIG_TYPE_INTERVAL,     /**< A number of seconds, with optional units*/
+  CONFIG_TYPE_MSEC_INTERVAL,/**< A number of milliseconds, with optional
+                              * units */
+  CONFIG_TYPE_MEMUNIT,      /**< A number of bytes, with optional units*/
+  CONFIG_TYPE_DOUBLE,       /**< A floating-point value */
+  CONFIG_TYPE_BOOL,         /**< A boolean value, expressed as 0 or 1. */
+  CONFIG_TYPE_AUTOBOOL,     /**< A boolean+auto value, expressed 0 for false,
+                             * 1 for true, and -1 for auto  */
+  CONFIG_TYPE_ISOTIME,      /**< An ISO-formatted time relative to UTC. */
+  CONFIG_TYPE_CSV,          /**< A list of strings, separated by commas and
+                              * optional whitespace. */
+  CONFIG_TYPE_CSV_INTERVAL, /**< A list of strings, separated by commas and
+                              * optional whitespace, representing intervals in
+                              * seconds, with optional units.  We allow
+                              * multiple values here for legacy reasons, but
+                              * ignore every value after the first. */
+  CONFIG_TYPE_LINELIST,     /**< Uninterpreted config lines */
+  CONFIG_TYPE_LINELIST_S,   /**< Uninterpreted, context-sensitive config lines,
+                             * mixed with other keywords. */
+  CONFIG_TYPE_LINELIST_V,   /**< Catch-all "virtual" option to summarize
+                             * context-sensitive config lines when fetching.
+                             */
+  // XXXX this doesn't belong at this level of abstraction.
+  CONFIG_TYPE_ROUTERSET,    /**< A list of router names, addrs, and fps,
+                             * parsed into a routerset_t. */
+  CONFIG_TYPE_OBSOLETE,     /**< Obsolete (ignored) option. */
+} config_type_t;
+
+#ifdef TOR_UNIT_TESTS
+/**
+ * Union used when building in test mode typechecking the members of a type
+ * used with confparse.c.  See CONF_CHECK_VAR_TYPE for a description of how
+ * it is used. */
+typedef union {
+  char **STRING;
+  char **FILENAME;
+  int *POSINT; /* yes, really: Even though the confparse type is called
+                * "POSINT", it still uses the C int type -- it just enforces
+                * that the values are in range [0,INT_MAX].
+              */
+  uint64_t *UINT64;
+  int *INT;
+  int *INTERVAL;
+  int *MSEC_INTERVAL;
+  uint64_t *MEMUNIT;
+  double *DOUBLE;
+  int *BOOL;
+  int *AUTOBOOL;
+  time_t *ISOTIME;
+  struct smartlist_t **CSV;
+  int *CSV_INTERVAL;
+  struct config_line_t **LINELIST;
+  struct config_line_t **LINELIST_S;
+  struct config_line_t **LINELIST_V;
+  // XXXX this doesn't belong at this level of abstraction.
+  struct routerset_t **ROUTERSET;
+} confparse_dummy_values_t;
+#endif /* defined(TOR_UNIT_TESTS) */
+
+#endif /* !defined(TOR_SRC_LIB_CONF_CONFTYPES_H) */

src/lib/conf/include.am

@@ -0,0 +1,4 @@
+
+# ADD_C_FILE: INSERT HEADERS HERE.
+noinst_HEADERS +=				\
+	src/lib/conf/conftypes.h