amxc_set.c File Reference

#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <stdio.h>
#include <amxc/amxc_set.h>
#include <amxc/amxc_macros.h>

Go to the source code of this file.

Macros
#define	_GNU_SOURCE

Functions
static void	amxc_set_flag_free (amxc_llist_it_t *it)
static amxc_flag_t *	amxc_set_flag_find (const amxc_set_t *const set, const char *flag)
static void	amxc_set_flag_add (amxc_set_t *set, const char *flag, int flaglen, int count)
static void	amxc_set_flag_delete (amxc_set_t *set, amxc_llist_it_t *it)
int	amxc_set_new (amxc_set_t **set, bool counted)
	Allocates a set. More...
void	amxc_set_delete (amxc_set_t **set)
	Frees a set. More...
int	amxc_set_init (amxc_set_t *const set, bool counted)
	Initializes a set. More...
void	amxc_set_clean (amxc_set_t *const set)
	Cleans a set. More...
amxc_set_t *	amxc_set_copy (const amxc_set_t *const set)
	Copies a set. More...
void	amxc_set_reset (amxc_set_t *set)
	Reset or empty a set, i.e. clear all flags. More...
int	amxc_set_parse (amxc_set_t *set, const char *str)
	Parses a space-separated string of flags and adds them to the set. More...
char *	amxc_set_to_string_sep (const amxc_set_t *const set, const char *sep)
	Converts a set to a separated string of flags. More...
char *	amxc_set_to_string (const amxc_set_t *const set)
	Converts a set to a space-separated string of flags. More...
void	amxc_set_add_flag (amxc_set_t *set, const char *flag)
	Adds a flag to a set, or increases the flag counter. More...
void	amxc_set_remove_flag (amxc_set_t *set, const char *flag)
	Removes a flag from a set or decreases the flag counter. More...
bool	amxc_set_has_flag (const amxc_set_t *const set, const char *flag)
	Check if a set contains a flag. More...
uint32_t	amxc_set_get_count (const amxc_set_t *const set, const char *flag)
	Get a flag counter. More...
void	amxc_set_union (amxc_set_t *const set, const amxc_set_t *const operand)
	Joins two sets. More...
void	amxc_set_intersect (amxc_set_t *const set, const amxc_set_t *const operand)
	Intersect a set with another set. More...
void	amxc_set_subtract (amxc_set_t *const set, const amxc_set_t *const operand)
	Subtract a set from another set. More...
bool	amxc_set_is_equal (const amxc_set_t *const set1, const amxc_set_t *const set2)
	Compare two sets. More...
void	amxc_set_alert_cb (amxc_set_t *set, amxc_set_alert_t handler, void *priv)
	Install a set alert callback function. More...
void	amxc_set_symmetric_difference (amxc_set_t *const set, const amxc_set_t *const operand)
	Calculates the symmetric difference of two sets. More...

Macro Definition Documentation

_GNU_SOURCE

#define _GNU_SOURCE

Definition at line 55 of file amxc_set.c.

Function Documentation

amxc_set_flag_add()

static void amxc_set_flag_add ( amxc_set_t *  set, const char *  flag, int  flaglen, int  count  )

static

Definition at line 84 of file amxc_set.c.

                                         {
    amxc_flag_t* f = NULL;
    char* str = NULL;
 
    if(flaglen != 0) {
        str = (char*) calloc(flaglen + 1, 1);
        when_null(str, exit);
        strncpy(str, flag, flaglen);
    } else {
        str = strdup(flag);
        when_null(str, exit);
    }
 
    f = amxc_set_flag_find(set, str);
    if(f != NULL) {
        if(set->counted) {
            f->count += count;
            set->count += count;
        }
        free(str);
        goto exit;
    }
 
    f = (amxc_flag_t*) calloc(1, sizeof(amxc_flag_t));
    if(f == NULL) {
        free(str);
        goto exit;
    }
    f->flag = str;
 
    amxc_llist_append(&set->list, &f->it);
    f->count = count;
    set->count += count;
    if(set->alert_handler) {
        set->alert_handler(set, f->flag, true, set->priv);
    }
 
exit:
    return;
}

amxc_set_flag_delete()

static void amxc_set_flag_delete ( amxc_set_t *  set, amxc_llist_it_t *  it  )

static

Definition at line 128 of file amxc_set.c.

                                                                       {
    amxc_flag_t* flag = amxc_container_of(it, amxc_flag_t, it);
    amxc_llist_it_take(it);
    set->count -= flag->count;
    if(set->alert_handler != NULL) {
        set->alert_handler(set, flag->flag, false, set->priv);
    }
    amxc_set_flag_free(it);
}

amxc_set_flag_find()

static amxc_flag_t* amxc_set_flag_find ( const amxc_set_t *const  set, const char *  flag  )

static

Definition at line 72 of file amxc_set.c.

                                                                                      {
    amxc_flag_t* f = NULL;
    amxc_llist_iterate(it, &set->list) {
        f = amxc_container_of(it, amxc_flag_t, it);
        if(strcmp(f->flag, flag) == 0) {
            break;
        }
        f = NULL;
    }
    return f;
}

amxc_set_flag_free()

static void amxc_set_flag_free ( amxc_llist_it_t *  it )

static

Definition at line 66 of file amxc_set.c.

                                                    {
    amxc_flag_t* flag = amxc_container_of(it, amxc_flag_t, it);
    free(flag->flag);
    free(flag);
}