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iniparser.h File Reference

Parser for ini files. More... +

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Functions

int iniparser_getnsec (dictionary *d)
 Get number of sections in a dictionary.
char * iniparser_getsecname (dictionary *d, int n)
 Get name for section n in a dictionary.
void iniparser_dump_ini (dictionary *d, FILE *f)
 Save a dictionary to a loadable ini file.
void iniparser_dump (dictionary *d, FILE *f)
 Dump a dictionary to an opened file pointer.
char * iniparser_getstring (dictionary *d, const char *key, char *def)
 Get the string associated to a key.
int iniparser_getint (dictionary *d, const char *key, int notfound)
 Get the string associated to a key, convert to an int.
double iniparser_getdouble (dictionary *d, char *key, double notfound)
 Get the string associated to a key, convert to a double.
int iniparser_getboolean (dictionary *d, const char *key, int notfound)
 Get the string associated to a key, convert to a boolean.
int iniparser_setstring (dictionary *ini, char *entry, char *val)
 Set an entry in a dictionary.
void iniparser_unset (dictionary *ini, char *entry)
 Delete an entry in a dictionary.
int iniparser_find_entry (dictionary *ini, char *entry)
 Finds out if a given entry exists in a dictionary.
dictionary * iniparser_load (const char *ininame)
 Parse an ini file and return an allocated dictionary object.
void iniparser_freedict (dictionary *d)
 Free all memory associated to an ini dictionary.
+

Detailed Description

+Parser for ini files. +

+

Author:
N. Devillard
+
Date:
Sep 2007
+
Version:
3.0
+

Function Documentation

+ +
+
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void iniparser_dump (dictionary *  d,
FILE *  f 
)
+
+
+ +

+Dump a dictionary to an opened file pointer. +

+

Parameters:
+ + + +
d Dictionary to dump.
f Opened file pointer to dump to.
+
+
Returns:
void
+This function prints out the contents of a dictionary, one element by line, onto the provided file pointer. It is OK to specify stderr or stdout as output files. This function is meant for debugging purposes mostly. +
+

+ +

+
+ + + + + + + + + + + + + + + + + + +
void iniparser_dump_ini (dictionary *  d,
FILE *  f 
)
+
+
+ +

+Save a dictionary to a loadable ini file. +

+

Parameters:
+ + + +
d Dictionary to dump
f Opened file pointer to dump to
+
+
Returns:
void
+This function dumps a given dictionary into a loadable ini file. It is Ok to specify stderr or stdout as output files. +
+

+ +

+
+ + + + + + + + + + + + + + + + + + +
int iniparser_find_entry (dictionary *  ini,
char *  entry 
)
+
+
+ +

+Finds out if a given entry exists in a dictionary. +

+

Parameters:
+ + + +
ini Dictionary to search
entry Name of the entry to look for
+
+
Returns:
integer 1 if entry exists, 0 otherwise
+Finds out if a given entry exists in the dictionary. Since sections are stored as keys with NULL associated values, this is the only way of querying for the presence of sections in a dictionary. +
+

+ +

+
+ + + + + + + + + +
void iniparser_freedict (dictionary *  d  ) 
+
+
+ +

+Free all memory associated to an ini dictionary. +

+

Parameters:
+ + +
d Dictionary to free
+
+
Returns:
void
+Free all memory associated to an ini dictionary. It is mandatory to call this function before the dictionary object gets out of the current context. +
+

+ +

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int iniparser_getboolean (dictionary *  d,
const char *  key,
int  notfound 
)
+
+
+ +

+Get the string associated to a key, convert to a boolean. +

+

Parameters:
+ + + + +
d Dictionary to search
key Key string to look for
notfound Value to return in case of error
+
+
Returns:
integer
+This function queries a dictionary for a key. A key as read from an ini file is given as "section:key". If the key cannot be found, the notfound value is returned.

+A true boolean is found if one of the following is matched:

+

+

+A false boolean is found if one of the following is matched:

+

+

+The notfound value returned if no boolean is identified, does not necessarily have to be 0 or 1. +

+

+ +

+
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double iniparser_getdouble (dictionary *  d,
char *  key,
double  notfound 
)
+
+
+ +

+Get the string associated to a key, convert to a double. +

+

Parameters:
+ + + + +
d Dictionary to search
key Key string to look for
notfound Value to return in case of error
+
+
Returns:
double
+This function queries a dictionary for a key. A key as read from an ini file is given as "section:key". If the key cannot be found, the notfound value is returned. +
+

+ +

+
+ + + + + + + + + + + + + + + + + + + + + + + + +
int iniparser_getint (dictionary *  d,
const char *  key,
int  notfound 
)
+
+
+ +

+Get the string associated to a key, convert to an int. +

+

Parameters:
+ + + + +
d Dictionary to search
key Key string to look for
notfound Value to return in case of error
+
+
Returns:
integer
+This function queries a dictionary for a key. A key as read from an ini file is given as "section:key". If the key cannot be found, the notfound value is returned.

+Supported values for integers include the usual C notation so decimal, octal (starting with 0) and hexadecimal (starting with 0x) are supported. Examples:

+

+

+Warning: the conversion may overflow in various ways. Conversion is totally outsourced to strtol(), see the associated man page for overflow handling.

+Credits: Thanks to A. Becker for suggesting strtol() +

+

+ +

+
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int iniparser_getnsec (dictionary *  d  ) 
+
+
+ +

+Get number of sections in a dictionary. +

+

Parameters:
+ + +
d Dictionary to examine
+
+
Returns:
int Number of sections found in dictionary
+This function returns the number of sections found in a dictionary. The test to recognize sections is done on the string stored in the dictionary: a section name is given as "section" whereas a key is stored as "section:key", thus the test looks for entries that do not contain a colon.

+This clearly fails in the case a section name contains a colon, but this should simply be avoided.

+This function returns -1 in case of error. +

+

+ +

+
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char* iniparser_getsecname (dictionary *  d,
int  n 
)
+
+
+ +

+Get name for section n in a dictionary. +

+

Parameters:
+ + + +
d Dictionary to examine
n Section number (from 0 to nsec-1).
+
+
Returns:
Pointer to char string
+This function locates the n-th section in a dictionary and returns its name as a pointer to a string statically allocated inside the dictionary. Do not free or modify the returned string!

+This function returns NULL in case of error. +

+

+ +

+
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char* iniparser_getstring (dictionary *  d,
const char *  key,
char *  def 
)
+
+
+ +

+Get the string associated to a key. +

+

Parameters:
+ + + + +
d Dictionary to search
key Key string to look for
def Default value to return if key not found.
+
+
Returns:
pointer to statically allocated character string
+This function queries a dictionary for a key. A key as read from an ini file is given as "section:key". If the key cannot be found, the pointer passed as 'def' is returned. The returned char pointer is pointing to a string allocated in the dictionary, do not free or modify it. +
+

+ +

+
+ + + + + + + + + +
dictionary* iniparser_load (const char *  ininame  ) 
+
+
+ +

+Parse an ini file and return an allocated dictionary object. +

+

Parameters:
+ + +
ininame Name of the ini file to read.
+
+
Returns:
Pointer to newly allocated dictionary
+This is the parser for ini files. This function is called, providing the name of the file to be read. It returns a dictionary object that should not be accessed directly, but through accessor functions instead.

+The returned dictionary must be freed using iniparser_freedict(). +

+

+ +

+
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int iniparser_setstring (dictionary *  ini,
char *  entry,
char *  val 
)
+
+
+ +

+Set an entry in a dictionary. +

+

Parameters:
+ + + + +
ini Dictionary to modify.
entry Entry to modify (entry name)
val New value to associate to the entry.
+
+
Returns:
int 0 if Ok, -1 otherwise.
+If the given entry can be found in the dictionary, it is modified to contain the provided value. If it cannot be found, -1 is returned. It is Ok to set val to NULL. +
+

+ +

+
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void iniparser_unset (dictionary *  ini,
char *  entry 
)
+
+
+ +

+Delete an entry in a dictionary. +

+

Parameters:
+ + + +
ini Dictionary to modify
entry Entry to delete (entry name)
+
+
Returns:
void
+If the given entry can be found, it is deleted from the dictionary. +
+

+

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