pjproject/pjlib/src/pj/array.c

64 lines
1.5 KiB
C

/* $Header: /pjproject-0.3/pjlib/src/pj/array.c 5 10/14/05 12:26a Bennylp $ */
/* $Log: /pjproject-0.3/pjlib/src/pj/array.c $
*
* 5 10/14/05 12:26a Bennylp
* Finished error code framework, some fixes in ioqueue, etc. Pretty
* major.
*
* 4 9/17/05 10:37a Bennylp
* Major reorganization towards version 0.3.
*
*/
#include <pj/array.h>
#include <pj/string.h>
#include <pj/assert.h>
#include <pj/errno.h>
PJ_DEF(void) pj_array_insert( void *array,
unsigned elem_size,
unsigned count,
unsigned pos,
const void *value)
{
if (count && pos < count-1) {
pj_memmove( (char*)array + (pos+1)*elem_size,
(char*)array + pos*elem_size,
(count-pos)*elem_size);
}
pj_memmove((char*)array + pos*elem_size, value, elem_size);
}
PJ_DEF(void) pj_array_erase( void *array,
unsigned elem_size,
unsigned count,
unsigned pos)
{
pj_assert(count != 0);
if (pos < count-1) {
pj_memmove( (char*)array + pos*elem_size,
(char*)array + (pos+1)*elem_size,
(count-pos-1)*elem_size);
}
}
PJ_DEF(pj_status_t) pj_array_find( const void *array,
unsigned elem_size,
unsigned count,
pj_status_t (*matching)(const void *value),
void **result)
{
unsigned i;
const char *char_array = array;
for (i=0; i<count; ++i) {
if ( (*matching)(char_array) == PJ_SUCCESS) {
if (result) {
*result = (void*)char_array;
}
return PJ_SUCCESS;
}
char_array += elem_size;
}
return PJ_ENOTFOUND;
}