libakgl/src/staticstring.c

/**
 * @file staticstring.c
 * @brief Implements the staticstring subsystem.
 */

#include <akerror.h>
#include <akgl/staticstring.h>
#include <errno.h>

akerr_ErrorContext *akgl_string_initialize(akgl_String *obj, char *init)
{
    PREPARE_ERROR(errctx);
    FAIL_ZERO_RETURN(errctx, obj, AKERR_NULLPOINTER, "Attempted to initialize NULL string reference");
    if ( init != NULL ) {
	strncpy((char *)&obj->data, init, AKGL_MAX_STRING_LENGTH);
    } else {
	memset(&obj->data, 0x00, sizeof(akgl_String));
    }
    obj->refcount = 1;
    SUCCEED_RETURN(errctx);
}

akerr_ErrorContext *akgl_string_copy(akgl_String *src, akgl_String *dst, int count)
{
    PREPARE_ERROR(e);
    FAIL_ZERO_RETURN(e, src, AKERR_NULLPOINTER, "NULL argument");
    FAIL_ZERO_RETURN(e, dst, AKERR_NULLPOINTER, "NULL argument");
    if ( count == 0 ) {
	count = AKGL_MAX_STRING_LENGTH;
    }
    if ( (char *)dst->data != strncpy((char *)&dst->data, (char *)&src->data, count) ) {
	FAIL_RETURN(e, errno, "strncpy");
    }
    SUCCEED_RETURN(e);
}