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author | Erlang/OTP <[email protected]> | 2009-11-20 14:54:40 +0000 |
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committer | Erlang/OTP <[email protected]> | 2009-11-20 14:54:40 +0000 |
commit | 84adefa331c4159d432d22840663c38f155cd4c1 (patch) | |
tree | bff9a9c66adda4df2106dfd0e5c053ab182a12bd /erts/etc/win32/init_file.h | |
download | otp-84adefa331c4159d432d22840663c38f155cd4c1.tar.gz otp-84adefa331c4159d432d22840663c38f155cd4c1.tar.bz2 otp-84adefa331c4159d432d22840663c38f155cd4c1.zip |
The R13B03 release.OTP_R13B03
Diffstat (limited to 'erts/etc/win32/init_file.h')
-rw-r--r-- | erts/etc/win32/init_file.h | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/erts/etc/win32/init_file.h b/erts/etc/win32/init_file.h new file mode 100644 index 0000000000..48d2d2df62 --- /dev/null +++ b/erts/etc/win32/init_file.h @@ -0,0 +1,93 @@ +/* + * %CopyrightBegin% + * + * Copyright Ericsson AB 2003-2009. All Rights Reserved. + * + * The contents of this file are subject to the Erlang Public License, + * Version 1.1, (the "License"); you may not use this file except in + * compliance with the License. You should have received a copy of the + * Erlang Public License along with this software. If not, it can be + * retrieved online at http://www.erlang.org/. + * + * Software distributed under the License is distributed on an "AS IS" + * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See + * the License for the specific language governing rights and limitations + * under the License. + * + * %CopyrightEnd% + */ + +typedef struct { + char *key; + char *value; /* Key and value points into same buffer */ +} InitEntry; + +typedef struct { + int num_entries; + int size_entries; + char *section_name; + InitEntry **entries; +} InitSection; + +typedef struct { + int num_sections; + int size_sections; + InitSection **sections; +} InitFile; + +/* Load a file structure from a disk file */ +InitFile *load_init_file(char *filename); + +/* Stores a file structure into a disk file */ +int store_init_file(InitFile *inif, char *filename); + +/* Create an empty file structure */ +InitFile *create_init_file(void); + +/* Free a file structure and everything associateed (including sections,keys + and values and anything looked up but not copied) */ +void free_init_file(InitFile *inif); + +/* Create empty section */ +InitSection *create_init_section(char *section_name); + +/* Add section to file Overwrites and destroys old sections with same key */ +int add_init_section(InitFile *inif, InitSection *inis); + +/* Kills a named section from a file. Destroys so that previously looked up + sections (with this key) need to be copied before the delete */ +int delete_init_section(InitFile *inif, char *section_name); + +/* lookup returns pointer into existing data. If data is to be preserved + across deletes or overwrites, it has to be copied */ +InitSection *lookup_init_section(InitFile *inif, char *section_name); + +/* Returns the name of the nth init section, n is >= 0, ret NULL when done */ +char *nth_init_section_name(InitFile *inif, int n); + +/* To save an init section so that delete or overwrite does not destroy it, + one needs to copy it */ +InitSection *copy_init_section(InitSection *inis, char *new_name); + +/* Frees up everything in the section, keys and values as well. */ +void free_init_section(InitSection *inis); + +/* Key and value are copied in add_entry */ +int add_init_entry(InitSection *inis, char *key, char *value); + +/* Returns pointer into internal string, use strcpy to save across + updates/deletes */ +char *lookup_init_entry(InitSection *inis, char *key); + +/* Returns the name of the nth entry key, n is >= 0, ret NULL when done */ +char *nth_init_entry_key(InitSection *inis, int n); + +/* Destroys entry, prevoiusly looked up entries need be + copied before deleted */ +int delete_init_entry(InitSection *inis, char *key); + +#define INIT_FILE_NO_ERROR 0 +#define INIT_FILE_OPEN_ERROR -1 +#define INIT_FILE_WRITE_ERROR -2 +#define INIT_FILE_PRESENT 0 +#define INIT_FILE_NOT_PRESENT 1 |