+++ /dev/null
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-#ifndef fooconfparserhfoo
-#define fooconfparserhfoo
-
-/***
- This file is part of systemd.
-
- Copyright 2010 Lennart Poettering
-
- systemd 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.
-
- systemd is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-#include <stdio.h>
-#include <stdbool.h>
-
-/* An abstract parser for simple, line based, shallow configuration
- * files consisting of variable assignments only. */
-
-/* Prototype for a parser for a specific configuration setting */
-typedef int (*ConfigParserCallback)(
- const char *filename,
- unsigned line,
- const char *section,
- const char *lvalue,
- int ltype,
- const char *rvalue,
- void *data,
- void *userdata);
-
-/* Wraps information for parsing a specific configuration variable, to
- * be stored in a simple array */
-typedef struct ConfigTableItem {
- const char *section; /* Section */
- const char *lvalue; /* Name of the variable */
- ConfigParserCallback parse; /* Function that is called to parse the variable's value */
- int ltype; /* Distinguish different variables passed to the same callback */
- void *data; /* Where to store the variable's data */
-} ConfigTableItem;
-
-/* Wraps information for parsing a specific configuration variable, to
- * ve srored in a gperf perfect hashtable */
-typedef struct ConfigPerfItem {
- const char *section_and_lvalue; /* Section + "." + name of the variable */
- ConfigParserCallback parse; /* Function that is called to parse the variable's value */
- int ltype; /* Distinguish different variables passed to the same callback */
- size_t offset; /* Offset where to store data, from the beginning of userdata */
-} ConfigPerfItem;
-
-/* Prototype for a low-level gperf lookup function */
-typedef const ConfigPerfItem* (*ConfigPerfItemLookup)(const char *section_and_lvalue, unsigned length);
-
-/* Prototype for a generic high-level lookup function */
-typedef int (*ConfigItemLookup)(
- void *table,
- const char *section,
- const char *lvalue,
- ConfigParserCallback *func,
- int *ltype,
- void **data,
- void *userdata);
-
-/* Linear table search implementation of ConfigItemLookup, based on
- * ConfigTableItem arrays */
-int config_item_table_lookup(void *table, const char *section, const char *lvalue, ConfigParserCallback *func, int *ltype, void **data, void *userdata);
-
-/* gperf implementation of ConfigItemLookup, based on gperf
- * ConfigPerfItem tables */
-int config_item_perf_lookup(void *table, const char *section, const char *lvalue, ConfigParserCallback *func, int *ltype, void **data, void *userdata);
-
-int config_parse(
- const char *filename,
- FILE *f,
- const char *sections, /* nulstr */
- ConfigItemLookup lookup,
- void *table,
- bool relaxed,
- void *userdata);
-
-/* Generic parsers */
-int config_parse_int(const char *filename, unsigned line, const char *section, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata);
-int config_parse_unsigned(const char *filename, unsigned line, const char *section, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata);
-int config_parse_long(const char *filename, unsigned line, const char *section, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata);
-int config_parse_uint64(const char *filename, unsigned line, const char *section, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata);
-int config_parse_bytes_size(const char *filename, unsigned line, const char *section, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata);
-int config_parse_bytes_off(const char *filename, unsigned line, const char *section, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata);
-int config_parse_bool(const char *filename, unsigned line, const char *section, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata);
-int config_parse_tristate(const char *filename, unsigned line, const char *section, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata);
-int config_parse_string(const char *filename, unsigned line, const char *section, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata);
-int config_parse_path(const char *filename, unsigned line, const char *section, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata);
-int config_parse_strv(const char *filename, unsigned line, const char *section, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata);
-int config_parse_path_strv(const char *filename, unsigned line, const char *section, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata);
-int config_parse_usec(const char *filename, unsigned line, const char *section, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata);
-int config_parse_mode(const char *filename, unsigned line, const char *section, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata);
-
-#define DEFINE_CONFIG_PARSE_ENUM(function,name,type,msg) \
- int function( \
- const char *filename, \
- unsigned line, \
- const char *section, \
- const char *lvalue, \
- int ltype, \
- const char *rvalue, \
- void *data, \
- void *userdata) { \
- \
- type *i = data, x; \
- \
- assert(filename); \
- assert(lvalue); \
- assert(rvalue); \
- assert(data); \
- \
- if ((x = name##_from_string(rvalue)) < 0) { \
- log_error("[%s:%u] " msg ", ignoring: %s", filename, line, rvalue); \
- return 0; \
- } \
- \
- *i = x; \
- \
- return 0; \
- }
-
-#endif
~ianmdlvl / elogind.git / blobdiff