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authorErlang/OTP <[email protected]>2009-11-20 14:54:40 +0000
committerErlang/OTP <[email protected]>2009-11-20 14:54:40 +0000
commit84adefa331c4159d432d22840663c38f155cd4c1 (patch)
treebff9a9c66adda4df2106dfd0e5c053ab182a12bd /erts/etc/win32/init_file.h
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The R13B03 release.OTP_R13B03
Diffstat (limited to 'erts/etc/win32/init_file.h')
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diff --git a/erts/etc/win32/init_file.h b/erts/etc/win32/init_file.h
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+/*
+ * %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