Basic array usage example
//Compile with:
//gcc -g eina_array_02.c -o eina_array_02 `pkg-config --cflags --libs eina`
#include <stdio.h>
#include <string.h>
#include <Eina.h>
Eina_Bool keep(void *data, void *gdata EINA_UNUSED)
{
if (strlen((const char*)data) <= 5)
return EINA_TRUE;
return EINA_FALSE;
}
int
main(int argc EINA_UNUSED, char **argv EINA_UNUSED)
{
const char* strs[] = {
"one", "two", "three", "four", "five", "six", "seven", "eight", "nine",
"ten", "eleven", "twelve", "thirteen", "fourtenn", "fifteen", "sixteen",
"seventeen", "eighteen", "nineteen", "twenty"
};
const char* strings[] = {
"helo", "hera", "starbuck", "kat", "boomer",
"hotdog", "longshot", "jammer", "crashdown", "hardball",
"duck", "racetrack", "apolo", "husker", "freaker",
"skulls", "bulldog", "flat top", "hammerhead", "gonzo"
};
Eina_Array *array;
Eina_Array_Iterator iterator;
const char *item;
unsigned int i;
eina_init();
array = eina_array_new(10);
for (i = 0; i < 20; i++)
eina_array_push(array, strs[i]);
eina_array_clean(array);
for (i = 0; i < 20; i++)
eina_array_push(array, strings[i]);
eina_array_data_set(array, 17, "flattop");
eina_array_remove(array, keep, NULL);
EINA_ARRAY_ITER_NEXT(array, i, item, iterator)
printf("item #%u: %s\n", i, item);
eina_array_free(array);
eina_shutdown();
return 0;
}
Eina.h
Eina Utility library.
eina_array_remove
EINA_API Eina_Bool eina_array_remove(Eina_Array *array, Eina_Bool(*keep)(void *data, void *gdata), void *gdata)
Rebuilds an array by specifying the data to keep.
Definition eina_array.c:346
eina_array_data_set
static void eina_array_data_set(const Eina_Array *array, unsigned int idx, const void *data)
Sets the data at a given position in an array.
Eina_Array_Iterator
void ** Eina_Array_Iterator
Type for an iterator on arrays, used with EINA_ARRAY_ITER_NEXT.
Definition eina_array.h:222
Eina_Array
struct _Eina_Array Eina_Array
Type for a generic one-dimensional linear data structure.
Definition eina_array.h:216
eina_array_free
EINA_API void eina_array_free(Eina_Array *array)
Frees an array.
Definition eina_array.c:295
EINA_ARRAY_ITER_NEXT
#define EINA_ARRAY_ITER_NEXT(array, index, item, iterator)
Iterates through an array's elements.
Definition eina_array.h:507
eina_array_push
static Eina_Bool eina_array_push(Eina_Array *array, const void *data)
Appends a data item to an array.
eina_array_clean
static void eina_array_clean(Eina_Array *array)
Clears an array of its elements, without deallocating memory.
eina_array_new
EINA_API Eina_Array * eina_array_new(unsigned int step)
Creates a new array.
Definition eina_array.c:276
eina_shutdown
EINA_API int eina_shutdown(void)
Shuts down the Eina library.
Definition eina_main.c:379
eina_init
EINA_API int eina_init(void)
Initializes the Eina library.
Definition eina_main.c:291
EINA_TRUE
#define EINA_TRUE
boolean value TRUE (numerical value 1)
Definition eina_types.h:539
EINA_FALSE
#define EINA_FALSE
boolean value FALSE (numerical value 0)
Definition eina_types.h:533
Eina_Bool
unsigned char Eina_Bool
Type to mimic a boolean.
Definition eina_types.h:527
EINA_UNUSED
#define EINA_UNUSED
Used to indicate that a function parameter is purposely unused.
Definition eina_types.h:339