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Asterisk developer's documentation


config.h

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00001 /*
00002  * Asterisk -- An open source telephony toolkit.
00003  *
00004  * Copyright (C) 1999 - 2005, Digium, Inc.
00005  *
00006  * Mark Spencer <markster@digium.com>
00007  *
00008  * See http://www.asterisk.org for more information about
00009  * the Asterisk project. Please do not directly contact
00010  * any of the maintainers of this project for assistance;
00011  * the project provides a web site, mailing lists and IRC
00012  * channels for your use.
00013  *
00014  * This program is free software, distributed under the terms of
00015  * the GNU General Public License Version 2. See the LICENSE file
00016  * at the top of the source tree.
00017  */
00018 
00019 /*! \file
00020  * \brief Configuration File Parser
00021  */
00022 
00023 #ifndef _ASTERISK_CONFIG_H
00024 #define _ASTERISK_CONFIG_H
00025 
00026 #if defined(__cplusplus) || defined(c_plusplus)
00027 extern "C" {
00028 #endif
00029 
00030 #include "asterisk/utils.h"
00031 #include "asterisk/inline_api.h"
00032 
00033 struct ast_config;
00034 
00035 struct ast_category;
00036 
00037 /*! Options for ast_config_load()
00038  */
00039 enum {
00040    /*! Load the configuration, including comments */
00041    CONFIG_FLAG_WITHCOMMENTS  = (1 << 0),
00042    /*! On a reload, give us a -1 if the file hasn't changed. */
00043    CONFIG_FLAG_FILEUNCHANGED = (1 << 1),
00044    /*! Don't attempt to cache mtime on this config file. */
00045    CONFIG_FLAG_NOCACHE       = (1 << 2),
00046 };
00047 
00048 #define  CONFIG_STATUS_FILEUNCHANGED   (void *)-1
00049 
00050 /*!
00051  * \brief Types used in ast_realtime_require_field
00052  */
00053 typedef enum {
00054    RQ_INTEGER1,
00055    RQ_UINTEGER1,
00056    RQ_INTEGER2,
00057    RQ_UINTEGER2,
00058    RQ_INTEGER3,
00059    RQ_UINTEGER3,
00060    RQ_INTEGER4,
00061    RQ_UINTEGER4,
00062    RQ_INTEGER8,
00063    RQ_UINTEGER8,
00064    RQ_CHAR,
00065    RQ_FLOAT,
00066    RQ_DATE,
00067    RQ_DATETIME,
00068 } require_type;
00069 
00070 /*! \brief Structure for variables, used for configurations and for channel variables
00071 */
00072 struct ast_variable {
00073    const char *name;
00074    const char *value;
00075    struct ast_variable *next;
00076 
00077    char *file;
00078 
00079    int lineno;
00080    int object;    /*!< 0 for variable, 1 for object */
00081    int blanklines;   /*!< Number of blanklines following entry */
00082    struct ast_comment *precomments;
00083    struct ast_comment *sameline;
00084    struct ast_comment *trailing; /*!< the last object in the list will get assigned any trailing comments when EOF is hit */
00085    char stuff[0];
00086 };
00087 
00088 typedef struct ast_config *config_load_func(const char *database, const char *table, const char *configfile, struct ast_config *config, struct ast_flags flags, const char *suggested_include_file, const char *who_asked);
00089 typedef struct ast_variable *realtime_var_get(const char *database, const char *table, va_list ap);
00090 typedef struct ast_config *realtime_multi_get(const char *database, const char *table, va_list ap);
00091 typedef int realtime_update(const char *database, const char *table, const char *keyfield, const char *entity, va_list ap);
00092 typedef int realtime_store(const char *database, const char *table, va_list ap);
00093 typedef int realtime_destroy(const char *database, const char *table, const char *keyfield, const char *entity, va_list ap);
00094 
00095 /*!
00096  * \brief Function pointer called to ensure database schema is properly configured for realtime use
00097  * \since 1.6.1
00098  */
00099 typedef int realtime_require(const char *database, const char *table, va_list ap);
00100 
00101 /*!
00102  * \brief Function pointer called to clear the database cache and free resources used for such
00103  * \since 1.6.1
00104  */
00105 typedef int realtime_unload(const char *database, const char *table);
00106 
00107 /*! \brief Configuration engine structure, used to define realtime drivers */
00108 struct ast_config_engine {
00109    char *name;
00110    config_load_func *load_func;
00111    realtime_var_get *realtime_func;
00112    realtime_multi_get *realtime_multi_func;
00113    realtime_update *update_func;
00114    realtime_store *store_func;
00115    realtime_destroy *destroy_func;
00116    realtime_require *require_func;
00117    realtime_unload *unload_func;
00118    struct ast_config_engine *next;
00119 };
00120 
00121 /*! \brief Load a config file
00122  * \param filename path of file to open.  If no preceding '/' character, path is considered relative to AST_CONFIG_DIR
00123  * Create a config structure from a given configuration file.
00124  * \param who_asked The module which is making this request.
00125  * \param flags Optional flags:
00126  * CONFIG_FLAG_WITHCOMMENTS - load the file with comments intact;
00127  * CONFIG_FLAG_FILEUNCHANGED - check the file mtime and return CONFIG_STATUS_FILEUNCHANGED if the mtime is the same; or
00128  * CONFIG_FLAG_NOCACHE - don't cache file mtime (main purpose of this option is to save memory on temporary files).
00129  *
00130  * \return an ast_config data structure on success
00131  * \retval NULL on error
00132  */
00133 struct ast_config *ast_config_load2(const char *filename, const char *who_asked, struct ast_flags flags);
00134 
00135 #define ast_config_load(filename, flags)  ast_config_load2(filename, AST_MODULE, flags)
00136 
00137 /*! \brief Destroys a config
00138  * \param config pointer to config data structure
00139  * Free memory associated with a given config
00140  *
00141  */
00142 void ast_config_destroy(struct ast_config *config);
00143 
00144 /*! \brief returns the root ast_variable of a config
00145  * \param config pointer to an ast_config data structure
00146  * \param cat name of the category for which you want the root
00147  *
00148  * Returns the category specified
00149  */
00150 struct ast_variable *ast_category_root(struct ast_config *config, char *cat);
00151 
00152 /*! \brief Goes through categories
00153  * \param config Which config structure you wish to "browse"
00154  * \param prev A pointer to a previous category.
00155  * This function is kind of non-intuitive in it's use.  To begin, one passes NULL as the second argument.  It will return a pointer to the string of the first category in the file.  From here on after, one must then pass the previous usage's return value as the second pointer, and it will return a pointer to the category name afterwards.
00156  *
00157  * \retval a category on success
00158  * \retval NULL on failure/no-more-categories
00159  */
00160 char *ast_category_browse(struct ast_config *config, const char *prev);
00161 
00162 /*!
00163  * \brief Goes through variables
00164  * Somewhat similar in intent as the ast_category_browse.
00165  * List variables of config file category
00166  *
00167  * \retval ast_variable list on success
00168  * \retval NULL on failure
00169  */
00170 struct ast_variable *ast_variable_browse(const struct ast_config *config, const char *category);
00171 
00172 /*!
00173  * \brief given a pointer to a category, return the root variable.
00174  * This is equivalent to ast_variable_browse(), but more efficient if we
00175  * already have the struct ast_category * (e.g. from ast_category_get())
00176  */
00177 struct ast_variable *ast_category_first(struct ast_category *cat);
00178 
00179 /*!
00180  * \brief Gets a variable
00181  * \param config which (opened) config to use
00182  * \param category category under which the variable lies
00183  * \param variable which variable you wish to get the data for
00184  * Goes through a given config file in the given category and searches for the given variable
00185  *
00186  * \retval The variable value on success
00187  * \retval NULL if unable to find it.
00188  */
00189 const char *ast_variable_retrieve(const struct ast_config *config, const char *category, const char *variable);
00190 
00191 /*!
00192  * \brief Retrieve a category if it exists
00193  * \param config which config to use
00194  * \param category_name name of the category you're looking for
00195  * This will search through the categories within a given config file for a match.
00196  *
00197  * \retval pointer to category if found
00198  * \retval NULL if not.
00199  */
00200 struct ast_category *ast_category_get(const struct ast_config *config, const char *category_name);
00201 
00202 /*!
00203  * \brief Check for category duplicates
00204  * \param config which config to use
00205  * \param category_name name of the category you're looking for
00206  * This will search through the categories within a given config file for a match.
00207  *
00208  * \return non-zero if found
00209  */
00210 int ast_category_exist(const struct ast_config *config, const char *category_name);
00211 
00212 /*!
00213  * \brief Retrieve realtime configuration
00214  * \param family which family/config to lookup
00215  * This will use builtin configuration backends to look up a particular
00216  * entity in realtime and return a variable list of its parameters.  Note
00217  * that unlike the variables in ast_config, the resulting list of variables
00218  * MUST be freed with ast_variables_destroy() as there is no container.
00219  *
00220  * The difference between these two calls is that ast_load_realtime excludes
00221  * fields whose values are NULL, while ast_load_realtime_all loads all columns.
00222  *
00223  * Note that you should use the constant SENTINEL to terminate arguments, in
00224  * order to preserve cross-platform compatibility.
00225  */
00226 struct ast_variable *ast_load_realtime(const char *family, ...) attribute_sentinel;
00227 struct ast_variable *ast_load_realtime_all(const char *family, ...) attribute_sentinel;
00228 
00229 /*!
00230  * \brief Release any resources cached for a realtime family
00231  * \param family which family/config to destroy
00232  * Various backends may cache attributes about a realtime data storage
00233  * facility; on reload, a front end resource may request to purge that cache.
00234  * \retval 0 If any cache was purged
00235  * \retval -1 If no cache was found
00236  * \since 1.6.1
00237  */
00238 int ast_unload_realtime(const char *family);
00239 
00240 /*!
00241  * \brief Inform realtime what fields that may be stored
00242  * \param family which family/config is referenced
00243  * This will inform builtin configuration backends that particular fields
00244  * may be updated during the use of that configuration section.  This is
00245  * mainly to be used during startup routines, to ensure that various fields
00246  * exist in the backend.  The backends may take various actions, such as
00247  * creating new fields in the data store or warning the administrator that
00248  * new fields may need to be created, in order to ensure proper function.
00249  *
00250  * The arguments are specified in groups of 3:  column name, column type,
00251  * and column size.  The column types are specified as integer constants,
00252  * defined by the enum require_type.  Note that the size is specified as
00253  * the number of equivalent character fields that a field may take up, even
00254  * if a field is otherwise specified as an integer type.  This is due to
00255  * the fact that some fields have historically been specified as character
00256  * types, even if they contained integer values.
00257  *
00258  * A family should always specify its fields to the minimum necessary
00259  * requirements to fulfill all possible values (within reason; for example,
00260  * a timeout value may reasonably be specified as an INTEGER2, with size 5.
00261  * Even though values above 32767 seconds are possible, they are unlikely
00262  * to be useful, and we should not complain about that size).
00263  *
00264  * \retval 0 Required fields met specified standards
00265  * \retval -1 One or more fields was missing or insufficient
00266  *
00267  * Note that you should use the constant SENTINEL to terminate arguments, in
00268  * order to preserve cross-platform compatibility.
00269  *
00270  * \since 1.6.1
00271  */
00272 int ast_realtime_require_field(const char *family, ...) attribute_sentinel;
00273 
00274 /*!
00275  * \brief Retrieve realtime configuration
00276  * \param family which family/config to lookup
00277  * This will use builtin configuration backends to look up a particular
00278  * entity in realtime and return a variable list of its parameters. Unlike
00279  * the ast_load_realtime, this function can return more than one entry and
00280  * is thus stored inside a traditional ast_config structure rather than
00281  * just returning a linked list of variables.
00282  */
00283 struct ast_config *ast_load_realtime_multientry(const char *family, ...) attribute_sentinel;
00284 
00285 /*!
00286  * \brief Update realtime configuration
00287  * \param family which family/config to be updated
00288  * \param keyfield which field to use as the key
00289  * \param lookup which value to look for in the key field to match the entry.
00290  * This function is used to update a parameter in realtime configuration space.
00291  * \return Number of rows affected, or -1 on error.
00292  *
00293  */
00294 int ast_update_realtime(const char *family, const char *keyfield, const char *lookup, ...) attribute_sentinel;
00295 
00296 /*! 
00297  * \brief Create realtime configuration 
00298  * \param family which family/config to be created
00299  * This function is used to create a parameter in realtime configuration space.
00300  * \return Number of rows affected, or -1 on error.
00301  * On the MySQL engine only, for reasons of backwards compatibility, the return
00302  * value is the insert ID.  This value is nonportable and may be changed in a
00303  * future version to match the other engines.
00304  *
00305  */
00306 int ast_store_realtime(const char *family, ...) attribute_sentinel;
00307 
00308 /*!
00309  * \brief Destroy realtime configuration
00310  * \param family which family/config to be destroyed
00311  * \param keyfield which field to use as the key
00312  * \param lookup which value to look for in the key field to match the entry.
00313  * This function is used to destroy an entry in realtime configuration space.
00314  * Additional params are used as keys.
00315  * \return Number of rows affected, or -1 on error.
00316  *
00317  */
00318 int ast_destroy_realtime(const char *family, const char *keyfield, const char *lookup, ...) attribute_sentinel;
00319 
00320 /*!
00321  * \brief Check if realtime engine is configured for family
00322  * \param family which family/config to be checked
00323  * \return 1 if family is configured in realtime and engine exists
00324 */
00325 int ast_check_realtime(const char *family);
00326 
00327 /*! \brief Check if there's any realtime engines loaded */
00328 int ast_realtime_enabled(void);
00329 
00330 /*! \brief Free variable list
00331  * \param var the linked list of variables to free
00332  * This function frees a list of variables.
00333  */
00334 void ast_variables_destroy(struct ast_variable *var);
00335 
00336 /*! \brief Register config engine
00337  * \retval 1 Always
00338  */
00339 int ast_config_engine_register(struct ast_config_engine *newconfig);
00340 
00341 /*! \brief Deregister config engine
00342  * \retval 0 Always
00343  */
00344 int ast_config_engine_deregister(struct ast_config_engine *del);
00345 
00346 /*!\brief Exposed initialization method for core process
00347  * This method is intended for use only with the core initialization and is
00348  * not designed to be called from any user applications.
00349  */
00350 int register_config_cli(void);
00351 
00352 /*!\brief Exposed re-initialization method for core process
00353  * This method is intended for use only with the core re-initialization and is
00354  * not designed to be called from any user applications.
00355  */
00356 int read_config_maps(void);
00357 
00358 /*!\brief Create a new base configuration structure */
00359 struct ast_config *ast_config_new(void);
00360 
00361 /*!\brief Retrieve the current category name being built.
00362  * API for backend configuration engines while building a configuration set.
00363  */
00364 struct ast_category *ast_config_get_current_category(const struct ast_config *cfg);
00365 
00366 /*!\brief Set the category within the configuration as being current.
00367  * API for backend configuration engines while building a configuration set.
00368  */
00369 void ast_config_set_current_category(struct ast_config *cfg, const struct ast_category *cat);
00370 
00371 /*!\brief Retrieve a configuration variable within the configuration set.
00372  * Retrieves the named variable \p var within category \p cat of configuration
00373  * set \p cfg.  If not found, attempts to retrieve the named variable \p var
00374  * from within category \em general.
00375  * \return Value of \p var, or NULL if not found.
00376  */
00377 const char *ast_config_option(struct ast_config *cfg, const char *cat, const char *var);
00378 
00379 /*!\brief Create a category structure */
00380 struct ast_category *ast_category_new(const char *name, const char *in_file, int lineno);
00381 void ast_category_append(struct ast_config *config, struct ast_category *cat);
00382 
00383 /*!
00384  * \brief Inserts new category
00385  * \param config which config to use
00386  * \param cat newly created category to insert
00387  * \param match which category to insert above
00388  * This function is used to insert a new category above another category
00389  * matching the match parameter.
00390  */
00391 void ast_category_insert(struct ast_config *config, struct ast_category *cat, const char *match);
00392 int ast_category_delete(struct ast_config *cfg, const char *category);
00393 
00394 /*!\brief Removes and destroys all variables within a category
00395  * \retval 0 if the category was found and emptied
00396  * \retval -1 if the category was not found
00397  */
00398 int ast_category_empty(struct ast_config *cfg, const char *category);
00399 void ast_category_destroy(struct ast_category *cat);
00400 struct ast_variable *ast_category_detach_variables(struct ast_category *cat);
00401 void ast_category_rename(struct ast_category *cat, const char *name);
00402 
00403 #ifdef MALLOC_DEBUG
00404 struct ast_variable *_ast_variable_new(const char *name, const char *value, const char *filename, const char *file, const char *function, int lineno);
00405 #define ast_variable_new(a, b, c) _ast_variable_new(a, b, c, __FILE__, __PRETTY_FUNCTION__, __LINE__)
00406 #else
00407 struct ast_variable *ast_variable_new(const char *name, const char *value, const char *filename);
00408 #endif
00409 struct ast_config_include *ast_include_new(struct ast_config *conf, const char *from_file, const char *included_file, int is_exec, const char *exec_file, int from_lineno, char *real_included_file_name, int real_included_file_name_size);
00410 struct ast_config_include *ast_include_find(struct ast_config *conf, const char *included_file);
00411 void ast_include_rename(struct ast_config *conf, const char *from_file, const char *to_file);
00412 void ast_variable_append(struct ast_category *category, struct ast_variable *variable);
00413 void ast_variable_insert(struct ast_category *category, struct ast_variable *variable, const char *line);
00414 int ast_variable_delete(struct ast_category *category, const char *variable, const char *match, const char *line);
00415 
00416 /*! \brief Update variable value within a config
00417  * \param category Category element within the config
00418  * \param variable Name of the variable to change
00419  * \param value New value of the variable
00420  * \param match If set, previous value of the variable (if NULL or zero-length, no matching will be done)
00421  * \param object Boolean of whether to make the new variable an object
00422  * \return 0 on success or -1 on failure.
00423  */
00424 int ast_variable_update(struct ast_category *category, const char *variable,
00425                   const char *value, const char *match, unsigned int object);
00426 
00427 int config_text_file_save(const char *filename, const struct ast_config *cfg, const char *generator);
00428 
00429 struct ast_config *ast_config_internal_load(const char *configfile, struct ast_config *cfg, struct ast_flags flags, const char *suggested_incl_file, const char *who_asked);
00430 
00431 /*! \brief Support code to parse config file arguments
00432  *
00433  * The function ast_parse_arg() provides a generic interface to parse
00434  * strings (e.g. numbers, network addresses and so on) in a flexible
00435  * way, e.g. by doing proper error and bound checks, provide default
00436  * values, and so on.
00437  * The function (described later) takes a string as an argument,
00438  * a set of flags to specify the result format and checks to perform,
00439  * a pointer to the result, and optionally some additional arguments.
00440  * It returns 0 on success, != 0 otherwise.
00441  *
00442  */
00443 enum ast_parse_flags {
00444    /* low 4 bits of flags are used for the operand type */
00445    PARSE_TYPE  =  0x000f,
00446    /* numeric types, with optional default value and bound checks.
00447     * Additional arguments are passed by value.
00448     */
00449    PARSE_INT32 =  0x0001,
00450    PARSE_UINT32   =  0x0002,
00451    PARSE_DOUBLE   =  0x0003,
00452 #if 0 /* not supported yet */
00453    PARSE_INT16 =  0x0004,
00454    PARSE_UINT16   =  0x0005,
00455 #endif
00456    /* Returns a struct sockaddr_in, with optional default value
00457     * (passed by reference) and port handling (accept, ignore,
00458     * require, forbid). The format is 'host.name[:port]'
00459     */
00460    PARSE_INADDR   =  0x000f,
00461 
00462    /* Other data types can be added as needed */
00463 
00464    /* If PARSE_DEFAULT is set, next argument is a default value
00465     * which is returned in case of error. The argument is passed
00466     * by value in case of numeric types, by reference in other cases.
00467     */
00468    PARSE_DEFAULT  =  0x0010,  /* assign default on error */
00469 
00470    /* Request a range check, applicable to numbers. Two additional
00471     * arguments are passed by value, specifying the low-high end of
00472     * the range (inclusive). An error is returned if the value
00473     * is outside or inside the range, respectively.
00474     */
00475    PARSE_IN_RANGE =  0x0020,  /* accept values inside a range */
00476    PARSE_OUT_RANGE = 0x0040,  /* accept values outside a range */
00477 
00478    /* Port handling, for sockaddr_in. accept/ignore/require/forbid
00479     * port number after the hostname or address.
00480     */
00481    PARSE_PORT_MASK = 0x0300, /* 0x000: accept port if present */
00482    PARSE_PORT_IGNORE =  0x0100, /* 0x100: ignore port if present */
00483    PARSE_PORT_REQUIRE = 0x0200, /* 0x200: require port number */
00484    PARSE_PORT_FORBID =  0x0300, /* 0x100: forbid port number */
00485 };
00486 
00487 /*! \brief The argument parsing routine.
00488  * \param arg the string to parse. It is not modified.
00489  * \param flags combination of ast_parse_flags to specify the
00490  * return type and additional checks.
00491  * \param result pointer to the result. NULL is valid here, and can
00492  * be used to perform only the validity checks.
00493  * \param ... extra arguments are required according to flags.
00494  * \retval 0 in case of success, != 0 otherwise.
00495  * \retval result returns the parsed value in case of success,
00496  * the default value in case of error, or it is left unchanged
00497  * in case of error and no default specified. Note that in certain
00498  * cases (e.g. sockaddr_in, with multi-field return values) some
00499  * of the fields in result may be changed even if an error occurs.
00500  *
00501  * Examples of use:
00502  * ast_parse_arg("223", PARSE_INT32|PARSE_IN_RANGE,
00503  *    &a, -1000, 1000);
00504  *              returns 0, a = 223
00505  * ast_parse_arg("22345", PARSE_INT32|PARSE_IN_RANGE|PARSE_DEFAULT,
00506  *    &a, 9999, 10, 100);
00507  *              returns 1, a = 9999
00508  *      ast_parse_arg("22345ssf", PARSE_UINT32|PARSE_IN_RANGE, &b, 10, 100);
00509  *    returns 1, b unchanged
00510  *      ast_parse_arg("www.foo.biz:44", PARSE_INADDR, &sa);
00511  *    returns 0, sa contains address and port
00512  *      ast_parse_arg("www.foo.biz", PARSE_INADDR|PARSE_PORT_REQUIRE, &sa);
00513  *    returns 1 because port is missing, sa contains address
00514  */
00515 int ast_parse_arg(const char *arg, enum ast_parse_flags flags,
00516         void *result, ...);
00517 
00518 /*
00519  * Parsing config file options in C is slightly annoying because we cannot use
00520  * string in a switch() statement, yet we need a similar behaviour, with many
00521  * branches and a break on a matching one.
00522  * The following somehow simplifies the job: we create a block using
00523  * the   CV_START and CV_END macros, and then within the block we can run
00524  * actions such as "if (condition) { body; break; }"
00525  * Additional macros are present to run simple functions (e.g. ast_copy_string)
00526  * or to pass arguments to ast_parse_arg()
00527  *
00528  * As an example:
00529 
00530    CV_START(v->name, v->value);  // start the block
00531    CV_STR("foo", x_foo);      // static string
00532    CV_DSTR("bar", y_bar);     // malloc'ed string
00533    CV_F("bar", ...);    // call a generic function
00534    CV_END;           // end the block
00535  */
00536 
00537 /*! \brief the macro to open a block for variable parsing */
00538 #define CV_START(__in_var, __in_val)      \
00539    do {              \
00540       const char *__var = __in_var; \
00541       const char *__val = __in_val;
00542 
00543 /*! \brief close a variable parsing block */
00544 #define  CV_END         } while (0)
00545 
00546 /*! \brief call a generic function if the name matches. */
00547 #define  CV_F(__pattern, __body) if (!strcasecmp((__var), __pattern)) { __body; break; }
00548 
00549 /*! \brief helper macros to assign the value to a BOOL, UINT, static string and
00550  * dynamic string
00551  */
00552 #define  CV_BOOL(__x, __dst)  CV_F(__x, (__dst) = ast_true(__val) )
00553 #define CV_UINT(__x, __dst)   CV_F(__x, (__dst) = strtoul(__val, NULL, 0) )
00554 #define CV_STR(__x, __dst) CV_F(__x, ast_copy_string(__dst, __val, sizeof(__dst)))
00555 #define CV_DSTR(__x, __dst)   CV_F(__x, if (__dst) ast_free(__dst); __dst = ast_strdup(__val))
00556 #define CV_STRFIELD(__x, __obj, __field) CV_F(__x, ast_string_field_set(__obj, __field, __val))
00557 
00558 /*!\brief Check if require type is an integer type */
00559 AST_INLINE_API(
00560 int ast_rq_is_int(require_type type),
00561 {
00562    switch (type) {
00563    case RQ_INTEGER1:
00564    case RQ_UINTEGER1:
00565    case RQ_INTEGER2:
00566    case RQ_UINTEGER2:
00567    case RQ_INTEGER3:
00568    case RQ_UINTEGER3:
00569    case RQ_INTEGER4:
00570    case RQ_UINTEGER4:
00571    case RQ_INTEGER8:
00572    case RQ_UINTEGER8:
00573       return 1;
00574    default:
00575       return 0;
00576    }
00577 }
00578 )
00579 
00580 #if defined(__cplusplus) || defined(c_plusplus)
00581 }
00582 #endif
00583 
00584 #endif /* _ASTERISK_CONFIG_H */

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