/*
This file is part of GNUnet.
- (C) 2001, 2002, 2003, 2004, 2005, 2006, 2009 Christian Grothoff (and other contributing authors)
+ (C) 2001, 2002, 2003, 2004, 2005, 2006, 2009, 2011 Christian Grothoff (and other contributing authors)
GNUnet is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published
/**
* Macro defining the option to print the command line
- * help text.
+ * help text (-h option).
*
* @param about string with brief description of the application
*/
#define GNUNET_GETOPT_OPTION_HELP(about) \
{ 'h', "help", (const char *) NULL, gettext_noop("print this help"), 0, &GNUNET_GETOPT_format_help_, (void *) about }
+
/**
* Macro defining the option to print the version of
- * the application
+ * the application (-v option)
*
* @param version string with the version number
*/
#define GNUNET_GETOPT_OPTION_VERSION(version) \
{ 'v', "version", (const char *) NULL, gettext_noop("print the version number"), 0, &GNUNET_GETOPT_print_version_, (void *) version }
+
/**
- * Get the log level
+ * Allow user to specify log file name (-l option)
+ *
+ * @param logfn set to the name of the logfile
*/
#define GNUNET_GETOPT_OPTION_LOGFILE(logfn) \
{ 'l', "logfile", "LOGFILE", gettext_noop("configure logging to write logs to LOGFILE"), 1, &GNUNET_GETOPT_set_string, (void *) logfn }
+
/**
- * Set the configuration option for logging.
+ * Allow user to specify log level (-L option)
+ *
+ * @param loglev set to the log level
*/
#define GNUNET_GETOPT_OPTION_LOGLEVEL(loglev) \
{ 'L', "log", "LOGLEVEL", gettext_noop("configure logging to use LOGLEVEL"), 1, &GNUNET_GETOPT_set_string, (void *) loglev }
+
/**
- * Get number of verbose flags
+ * Get number of verbose (-V) flags
+ *
+ * @param level where to store the verbosity level (should be an 'int')
*/
#define GNUNET_GETOPT_OPTION_VERBOSE(level) \
{ 'V', "verbose", (const char *) NULL, gettext_noop("be verbose"), 0, &GNUNET_GETOPT_increment_value, (void *) level }
+
/**
- * Get configuration file name
+ * Get configuration file name (-c option)
+ *
+ * @param fn set to the configuration file name
*/
#define GNUNET_GETOPT_OPTION_CFG_FILE(fn) \
{ 'c', "config", "FILENAME", gettext_noop("use configuration file FILENAME"), 1, &GNUNET_GETOPT_set_string, (void *) fn }
+
/**
- * Marker to end the list of options.
+ * Marker for the end of the list of options.
*/
#define GNUNET_GETOPT_OPTION_END \
{ '\0', NULL, NULL, NULL, 0, NULL, NULL }
+
/**
* Parse the command line.
*
const struct GNUNET_GETOPT_CommandLineOption
*allOptions, unsigned int argc, char *const *argv);
+
/**
- * FIXME
+ * Set an option of type 'unsigned long long' from the command line.
+ * A pointer to this function should be passed as part of the
+ * 'struct GNUNET_GETOPT_CommandLineOption' array to initialize options
+ * of this type. It should be followed by a pointer to a value of
+ * type 'unsigned long long'.
+ *
+ * @param ctx command line processing context
+ * @param scls additional closure (will point to the 'unsigned long long')
+ * @param option name of the option
+ * @param value actual value of the option as a string.
+ * @return GNUNET_OK if parsing the value worked
*/
int GNUNET_GETOPT_set_ulong (struct GNUNET_GETOPT_CommandLineProcessorContext
*ctx, void *scls, const char *option,
const char *value);
+
/**
- * FIXME
+ * Set an option of type 'unsigned long long' from the command line.
+ * A pointer to this function should be passed as part of the
+ * 'struct GNUNET_GETOPT_CommandLineOption' array to initialize options
+ * of this type. It should be followed by a pointer to a value of
+ * type 'unsigned int'.
+ *
+ * @param ctx command line processing context
+ * @param scls additional closure (will point to the 'unsigned int')
+ * @param option name of the option
+ * @param value actual value of the option as a string.
+ * @return GNUNET_OK if parsing the value worked
*/
int GNUNET_GETOPT_set_uint (struct GNUNET_GETOPT_CommandLineProcessorContext
*ctx, void *scls, const char *option,
const char *value);
+
/**
- * FIXME
+ * Set an option of type 'int' from the command line to 1 if the
+ * given option is present.
+ * A pointer to this function should be passed as part of the
+ * 'struct GNUNET_GETOPT_CommandLineOption' array to initialize options
+ * of this type. It should be followed by a pointer to a value of
+ * type 'int'.
+ *
+ * @param ctx command line processing context
+ * @param scls additional closure (will point to the 'int')
+ * @param option name of the option
+ * @param value not used (NULL)
+ * @return GNUNET_OK
*/
int GNUNET_GETOPT_set_one (struct GNUNET_GETOPT_CommandLineProcessorContext
*ctx, void *scls, const char *option,
const char *value);
+
/**
- * FIXME
+ * Set an option of type 'char *' from the command line.
+ * A pointer to this function should be passed as part of the
+ * 'struct GNUNET_GETOPT_CommandLineOption' array to initialize options
+ * of this type. It should be followed by a pointer to a value of
+ * type 'char *'.
+ *
+ * @param ctx command line processing context
+ * @param scls additional closure (will point to the 'char *',
+ * which will be allocated)
+ * @param option name of the option
+ * @param value actual value of the option (a string)
+ * @return GNUNET_OK
*/
int GNUNET_GETOPT_set_string (struct GNUNET_GETOPT_CommandLineProcessorContext
*ctx, void *scls, const char *option,
const char *value);
/**
- * FIXME
+ * Set an option of type 'unsigned int' from the command line. Each
+ * time the option flag is given, the value is incremented by one.
+ * A pointer to this function should be passed as part of the
+ * 'struct GNUNET_GETOPT_CommandLineOption' array to initialize options
+ * of this type. It should be followed by a pointer to a value of
+ * type 'int'.
+ *
+ * @param ctx command line processing context
+ * @param scls additional closure (will point to the 'int')
+ * @param option name of the option
+ * @param value not used (NULL)
+ * @return GNUNET_OK
*/
int
GNUNET_GETOPT_increment_value (struct
void *scls, const char *option,
const char *value);
+
/* *************** internal prototypes - use macros above! ************* */
/**
- * FIXME
+ * Print out details on command line options (implements --help).
+ *
+ * @param ctx command line processing context
+ * @param scls additional closure (points to about text)
+ * @param option name of the option
+ * @param value not used (NULL)
+ * @return GNUNET_SYSERR (do not continue)
*/
int GNUNET_GETOPT_format_help_ (struct
GNUNET_GETOPT_CommandLineProcessorContext
const char *value);
/**
- * FIXME
+ * Print out program version (implements --version).
+ *
+ * @param ctx command line processing context
+ * @param scls additional closure (points to version string)
+ * @param option name of the option
+ * @param value not used (NULL)
+ * @return GNUNET_SYSERR (do not continue)
*/
int GNUNET_GETOPT_print_version_ (struct
GNUNET_GETOPT_CommandLineProcessorContext
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