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authorJonathan McCrohan <jmccrohan@gmail.com>2015-07-08 23:43:03 +0100
committerJonathan McCrohan <jmccrohan@gmail.com>2015-07-08 23:53:24 +0100
commit6c7ac8dc769435ea0231db550799d73cb479a773 (patch)
treee5de3e6642d6669a17b2afd8341ea5b82655461c /lib/libconfig.c
parent695702e323759d158366d33c24c1ff47141056e9 (diff)
downloadlibconfig-6c7ac8dc769435ea0231db550799d73cb479a773.tar.gz
Imported Upstream version 1.5upstream/1.5
Diffstat (limited to 'lib/libconfig.c')
-rw-r--r--lib/libconfig.c190
1 files changed, 120 insertions, 70 deletions
diff --git a/lib/libconfig.c b/lib/libconfig.c
index edf7b8b..6724c2e 100644
--- a/lib/libconfig.c
+++ b/lib/libconfig.c
@@ -1,6 +1,6 @@
/* ----------------------------------------------------------------------------
libconfig - A library for processing structured configuration files
- Copyright (C) 2005-2010 Mark A Lindner
+ Copyright (C) 2005-2014 Mark A Lindner
This file is part of libconfig.
@@ -24,41 +24,46 @@
#include "ac_config.h"
#endif
-#include "libconfig.h"
-#include "grammar.h"
-#include "scanner.h"
-#include "scanctx.h"
-#include "parsectx.h"
-#include "wincompat.h"
-
#include <locale.h>
#ifdef HAVE_XLOCALE_H
#include <xlocale.h>
#endif
+#include <ctype.h>
+#include <float.h>
+#include <stdio.h>
#include <stdlib.h>
#include <string.h>
-#include <ctype.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+
+#include "libconfig.h"
+#include "parsectx.h"
+#include "scanctx.h"
+#include "wincompat.h"
+#include "grammar.h"
+#include "scanner.h"
#define PATH_TOKENS ":./"
#define CHUNK_SIZE 16
-#define FLOAT_PRECISION 10
+#define FLOAT_PRECISION DBL_DIG
-#define _new(T) (T *)calloc(sizeof(T), 1) /* zeroed */
+#define _new(T) (T *)calloc(1, sizeof(T)) /* zeroed */
#define _delete(P) free((void *)(P))
/* ------------------------------------------------------------------------- */
#ifndef LIBCONFIG_STATIC
-#if (defined(WIN32) || defined(_WIN32) || defined(__WIN32__))
+#if (defined(WIN32) || defined(_WIN32) || defined(__WIN32__) \
+ || defined(WIN64) || defined(_WIN64))
BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
{
return(TRUE);
}
-#endif /* WIN32 */
+#endif /* WIN32 || WIN64 */
#endif /* LIBCONFIG_STATIC */
/* ------------------------------------------------------------------------- */
@@ -66,14 +71,9 @@ BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
static const char *__io_error = "file I/O error";
static void __config_list_destroy(config_list_t *list);
-static void __config_write_setting(const config_setting_t *setting,
- FILE *stream, int depth,
- unsigned short tab_width);
-
-extern int libconfig_yyparse(void *scanner, struct parse_context *ctx,
- struct scan_context *scan_ctx);
-extern int libconfig_yylex_init_extra(struct scan_context *scan_ctx,
- yyscan_t *scanner);
+static void __config_write_setting(const config_t *config,
+ const config_setting_t *setting,
+ FILE *stream, int depth);
/* ------------------------------------------------------------------------- */
@@ -104,6 +104,11 @@ static void __config_locale_override(void)
/* ------------------------------------------------------------------------- */
+#define __config_has_option(C, O) \
+ (((C)->options & (O)) != 0)
+
+/* ------------------------------------------------------------------------- */
+
static void __config_locale_restore(void)
{
#if (defined(WIN32) || defined(_WIN32) || defined(__WIN32__)) \
@@ -165,9 +170,9 @@ static void __config_indent(FILE *stream, int depth, unsigned short w)
/* ------------------------------------------------------------------------- */
-static void __config_write_value(const config_value_t *value, int type,
- int format, int depth,
- unsigned short tab_width, FILE *stream)
+static void __config_write_value(const config_t *config,
+ const config_value_t *value, int type,
+ int format, int depth, FILE *stream)
{
char fbuf[64];
@@ -304,9 +309,9 @@ static void __config_write_value(const config_value_t *value, int type,
for(s = list->elements; len--; s++)
{
- __config_write_value(&((*s)->value), (*s)->type,
- config_setting_get_format(*s),
- depth + 1, tab_width, stream);
+ __config_write_value(config, &((*s)->value), (*s)->type,
+ config_setting_get_format(*s), depth + 1,
+ stream);
if(len)
fputc(',', stream);
@@ -333,9 +338,9 @@ static void __config_write_value(const config_value_t *value, int type,
for(s = list->elements; len--; s++)
{
- __config_write_value(&((*s)->value), (*s)->type,
- config_setting_get_format(*s),
- depth + 1, tab_width, stream);
+ __config_write_value(config, &((*s)->value), (*s)->type,
+ config_setting_get_format(*s), depth + 1,
+ stream);
if(len)
fputc(',', stream);
@@ -355,14 +360,14 @@ static void __config_write_value(const config_value_t *value, int type,
if(depth > 0)
{
-#ifdef K_AND_R_STYLE /* Horrendous, but many people like it. */
- fputc(' ', stream);
-#else
- fputc('\n', stream);
+ if((config->options & CONFIG_OPTION_OPEN_BRACE_ON_SEPARATE_LINE) != 0)
+ {
+ fputc('\n', stream);
+
+ if(depth > 1)
+ __config_indent(stream, depth, config->tab_width);
+ }
- if(depth > 1)
- __config_indent(stream, depth, tab_width);
-#endif
fprintf(stream, "{\n");
}
@@ -372,11 +377,11 @@ static void __config_write_value(const config_value_t *value, int type,
config_setting_t **s;
for(s = list->elements; len--; s++)
- __config_write_setting(*s, stream, depth + 1, tab_width);
+ __config_write_setting(config, *s, stream, depth + 1);
}
if(depth > 1)
- __config_indent(stream, depth, tab_width);
+ __config_indent(stream, depth, config->tab_width);
if(depth > 0)
fputc('}', stream);
@@ -554,14 +559,13 @@ static int __config_read(config_t *config, FILE *stream, const char *filename,
yyscan_t scanner;
struct scan_context scan_ctx;
struct parse_context parse_ctx;
- YY_BUFFER_STATE buffer = NULL;
int r;
/* Reinitialize the config */
void (*destructor)(void *) = config->destructor;
const char *include_dir = config->include_dir;
unsigned short tab_width = config->tab_width;
- unsigned short flags = config->flags;
+ int options = config->options;
config->include_dir = NULL;
config_destroy(config);
@@ -570,7 +574,7 @@ static int __config_read(config_t *config, FILE *stream, const char *filename,
config->destructor = destructor;
config->include_dir = include_dir;
config->tab_width = tab_width;
- config->flags = flags;
+ config->options = options;
parsectx_init(&parse_ctx);
parse_ctx.config = config;
@@ -580,13 +584,14 @@ static int __config_read(config_t *config, FILE *stream, const char *filename,
__config_locale_override();
scanctx_init(&scan_ctx, filename);
+ config->root->file = scanctx_current_filename(&scan_ctx);
scan_ctx.config = config;
libconfig_yylex_init_extra(&scan_ctx, &scanner);
if(stream)
libconfig_yyrestart(stream, scanner);
else /* read from string */
- buffer = libconfig_yy_scan_string(str, scanner);
+ (void)libconfig_yy_scan_string(str, scanner);
libconfig_yyset_lineno(1, scanner);
r = libconfig_yyparse(scanner, &parse_ctx, &scan_ctx);
@@ -628,26 +633,36 @@ int config_read_string(config_t *config, const char *str)
/* ------------------------------------------------------------------------- */
-static void __config_write_setting(const config_setting_t *setting,
- FILE *stream, int depth,
- unsigned short tab_width)
+static void __config_write_setting(const config_t *config,
+ const config_setting_t *setting,
+ FILE *stream, int depth)
{
+ char group_assign_char = __config_has_option(
+ config, CONFIG_OPTION_COLON_ASSIGNMENT_FOR_GROUPS) ? ':' : '=';
+
+ char nongroup_assign_char = __config_has_option(
+ config, CONFIG_OPTION_COLON_ASSIGNMENT_FOR_NON_GROUPS) ? ':' : '=';
+
if(depth > 1)
- __config_indent(stream, depth, tab_width);
+ __config_indent(stream, depth, config->tab_width);
+
if(setting->name)
{
fputs(setting->name, stream);
- fprintf(stream, " %c ", (setting->type == CONFIG_TYPE_GROUP ? ':' : '='));
+ fprintf(stream, " %c ", ((setting->type == CONFIG_TYPE_GROUP)
+ ? group_assign_char
+ : nongroup_assign_char));
}
- __config_write_value(&(setting->value), setting->type,
- config_setting_get_format(setting),
- depth, tab_width, stream);
+ __config_write_value(config, &(setting->value), setting->type,
+ config_setting_get_format(setting), depth, stream);
if(depth > 0)
{
- fputc(';', stream);
+ if(__config_has_option(config, CONFIG_OPTION_SEMICOLON_SEPARATORS))
+ fputc(';', stream);
+
fputc('\n', stream);
}
}
@@ -658,7 +673,7 @@ void config_write(const config_t *config, FILE *stream)
{
__config_locale_override();
- __config_write_setting(config->root, stream, 0, config->tab_width);
+ __config_write_setting(config, config->root, stream, 0);
__config_locale_restore();
}
@@ -667,10 +682,28 @@ void config_write(const config_t *config, FILE *stream)
int config_read_file(config_t *config, const char *filename)
{
- int ret;
+ int ret, ok = 0;
+
FILE *stream = fopen(filename, "rt");
- if(! stream)
+ if(stream != NULL)
+ {
+ // On some operating systems, fopen() succeeds on a directory.
+ int fd = fileno(stream);
+ struct stat statbuf;
+
+ if(fstat(fd, &statbuf) == 0)
+ {
+ // Only proceed if this is not a directory.
+ if(!S_ISDIR(statbuf.st_mode))
+ ok = 1;
+ }
+ }
+
+ if(!ok)
{
+ if(stream != NULL)
+ fclose(stream);
+
config->error_text = __io_error;
config->error_type = CONFIG_ERR_FILE_IO;
return(CONFIG_FALSE);
@@ -686,16 +719,16 @@ int config_read_file(config_t *config, const char *filename)
int config_write_file(config_t *config, const char *filename)
{
- FILE *f = fopen(filename, "wt");
- if(! f)
+ FILE *stream = fopen(filename, "wt");
+ if(stream == NULL)
{
config->error_text = __io_error;
config->error_type = CONFIG_ERR_FILE_IO;
return(CONFIG_FALSE);
}
- config_write(config, f);
- fclose(f);
+ config_write(config, stream);
+ fclose(stream);
config->error_type = CONFIG_ERR_NONE;
return(CONFIG_TRUE);
}
@@ -727,6 +760,9 @@ void config_init(config_t *config)
config->root = _new(config_setting_t);
config->root->type = CONFIG_TYPE_GROUP;
config->root->config = config;
+ config->options = (CONFIG_OPTION_SEMICOLON_SEPARATORS
+ | CONFIG_OPTION_COLON_ASSIGNMENT_FOR_GROUPS
+ | CONFIG_OPTION_OPEN_BRACE_ON_SEPARATE_LINE);
config->tab_width = 2;
}
@@ -735,16 +771,30 @@ void config_init(config_t *config)
void config_set_auto_convert(config_t *config, int flag)
{
if(flag)
- config->flags |= CONFIG_OPTION_AUTOCONVERT;
+ config->options |= CONFIG_OPTION_AUTOCONVERT;
else
- config->flags &= ~CONFIG_OPTION_AUTOCONVERT;
+ config->options &= ~CONFIG_OPTION_AUTOCONVERT;
}
/* ------------------------------------------------------------------------- */
int config_get_auto_convert(const config_t *config)
{
- return((config->flags & CONFIG_OPTION_AUTOCONVERT) != 0);
+ return(__config_has_option(config, CONFIG_OPTION_AUTOCONVERT));
+}
+
+/* ------------------------------------------------------------------------- */
+
+void config_set_options(config_t *config, int options)
+{
+ config->options = options;
+}
+
+/* ------------------------------------------------------------------------- */
+
+int config_get_options(const config_t *config)
+{
+ return(config->options);
}
/* ------------------------------------------------------------------------- */
@@ -798,7 +848,7 @@ static int __config_setting_get_int(const config_setting_t *setting,
return(CONFIG_TRUE);
case CONFIG_TYPE_FLOAT:
- if((setting->config->flags & CONFIG_OPTION_AUTOCONVERT) != 0)
+ if(__config_has_option(setting->config, CONFIG_OPTION_AUTOCONVERT))
{
*value = (int)(setting->value.fval);
return(CONFIG_TRUE);
@@ -836,7 +886,7 @@ static int __config_setting_get_int64(const config_setting_t *setting,
return(CONFIG_TRUE);
case CONFIG_TYPE_FLOAT:
- if((setting->config->flags & CONFIG_OPTION_AUTOCONVERT) != 0)
+ if(__config_has_option(setting->config, CONFIG_OPTION_AUTOCONVERT))
{
*value = (long long)(setting->value.fval);
return(CONFIG_TRUE);
@@ -1047,7 +1097,7 @@ int config_setting_set_float(config_setting_t *setting, double value)
return(CONFIG_TRUE);
case CONFIG_TYPE_INT:
- if((setting->config->flags & CONFIG_OPTION_AUTOCONVERT) != 0)
+ if(__config_has_option(setting->config, CONFIG_OPTION_AUTOCONVERT))
{
setting->value.ival = (int)value;
return(CONFIG_TRUE);
@@ -1056,7 +1106,7 @@ int config_setting_set_float(config_setting_t *setting, double value)
return(CONFIG_FALSE);
case CONFIG_TYPE_INT64:
- if((setting->config->flags & CONFIG_OPTION_AUTOCONVERT) != 0)
+ if(__config_has_option(setting->config, CONFIG_OPTION_AUTOCONVERT))
{
setting->value.llval = (long long)value;
return(CONFIG_TRUE);
@@ -1136,8 +1186,8 @@ short config_setting_get_format(const config_setting_t *setting)
/* ------------------------------------------------------------------------- */
-config_setting_t *config_lookup_from(config_setting_t *setting,
- const char *path)
+config_setting_t *config_setting_lookup(config_setting_t *setting,
+ const char *path)
{
const char *p = path;
config_setting_t *found;
@@ -1171,7 +1221,7 @@ config_setting_t *config_lookup_from(config_setting_t *setting,
config_setting_t *config_lookup(const config_t *config, const char *path)
{
- return(config_lookup_from(config->root, path));
+ return(config_setting_lookup(config->root, path));
}
/* ------------------------------------------------------------------------- */
@@ -1613,4 +1663,4 @@ int config_setting_index(const config_setting_t *setting)
}
/* ------------------------------------------------------------------------- */
-/* eof */
+