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/*
WARNING: This file was generated by dkct.
Changes you make here will be lost if dkct is run again!
You should modify the original source and run dkct on it.
Original source: dk4opt.ctr
*/
/*
Copyright (C) 2015-2017, Dirk Krause
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above opyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
* Neither the name of the author nor the names of contributors may be used
to endorse or promote products derived from this software without specific
prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/** @file dk4opt.c The dk4opt module.
*/
#line 303 "dk4opt.ctr"
#include "dk4opt.h"
#include "dk4strd.h"
#include "dk4mem.h"
#line 313 "dk4opt.ctr"
/** Compare two options by short option.
@param olp Left option structure.
@param orp Right option structure.
@return Comparison result.
*/
static
int
dk4option_short_compare(const dk4_option_t *olp, const dk4_option_t *orp)
{
int back = 0;
if ((olp->spec).c > (orp->spec).c) {
back = 1;
} else {
if ((olp->spec).c < (orp->spec).c) {
back = -1;
}
}
return back;
}
/** Compare two options by long option.
@param olp Left option structure.
@param orp Right option structure.
@return Comparison result.
*/
static
int
dk4option_long_compare(const dk4_option_t *olp, const dk4_option_t *orp)
{
int back = 0;
if (NULL != (olp->spec).longopt) {
if (NULL != (orp->spec).longopt) {
back = dk4str_cmp((olp->spec).longopt, (orp->spec).longopt);
if (-1 > back) back = -1;
if ( 1 < back) back = 1;
} else {
back = 1;
}
} else {
if (NULL != (orp->spec).longopt) {
back = -1;
}
}
return back;
}
int
dk4option_compare(const void *l, const void *r, int cr)
{
const dk4_option_t *olp;
const dk4_option_t *orp;
const dkChar *cp;
int back = 0;
if (NULL != l) {
olp = (const dk4_option_t *)l;
if (NULL != r) {
switch (cr) {
case 3: {
cp = (const dkChar *)r;
if (NULL != (olp->spec).longopt) {
back = dk4str_cmp((olp->spec).longopt, cp);
if (-1 > back) back = -1;
if ( 1 < back) back = 1;
} else {
back = -1;
}
} break;
case 2: {
orp = (const dk4_option_t *)r;
back = dk4option_long_compare(olp, orp);
if (0 == back) {
back = dk4option_short_compare(olp, orp);
}
} break;
case 1: {
cp = (const dkChar *)r;
if ((olp->spec).c > *cp) {
back = 1;
} else {
if ((olp->spec).c < *cp) {
back = -1;
}
}
} break;
default: {
orp = (const dk4_option_t *)r;
back = dk4option_short_compare(olp, orp);
if (0 == back) {
back = dk4option_long_compare(olp, orp);
}
} break;
}
} else {
back = 1;
}
} else {
if (NULL != r) {
back = -1;
}
}
return back;
}
void
dk4opt_close(dk4_option_t *optptr)
{
#line 430 "dk4opt.ctr"
if (NULL != optptr) {
#line 431 "dk4opt.ctr"
/*
We can not sanitize the memory for option name and option value
as the option name is constant and the option value was provided
by the shell and is owned by the shell.
*/
(optptr->spec).longopt = NULL;
(optptr->val).t = NULL;
dk4mem_free(optptr);
}
#line 441 "dk4opt.ctr"
}
dk4_option_t *
dk4opt_open(const dk4_option_specification_t *spec, dk4_er_t *erp)
{
dk4_option_t *back = NULL;
if (NULL != spec) {
if ((NULL != spec->longopt) || (dkT('\0') != spec->c)) {
back = dk4mem_new(dk4_option_t,1,NULL);
if (NULL != back) {
DK4_MEMCPY(&(back->spec),spec,sizeof(dk4_option_specification_t));
back->found = 0;
switch ((back->spec).argtype) {
case DK4_OPT_ARG_BOOL: {
(back->val).b = 0;
} break;
case DK4_OPT_ARG_SIZE: {
(back->val).s = 0;
} break;
case DK4_OPT_ARG_INT: {
(back->val).i = (dk4_im_t)0L;
} break;
case DK4_OPT_ARG_UNSIGNED: {
(back->val).u = (dk4_um_t)0UL;
} break;
case DK4_OPT_ARG_DOUBLE: {
(back->val).d = 0.0;
} break;
case DK4_OPT_ARG_STRING: {
(back->val).t = NULL;
} break;
}
} else {
dk4error_set_elsize_nelem(
erp, DK4_E_MEMORY_ALLOCATION_FAILED, sizeof(dk4_option_t), 1
);
}
} else {
dk4error_set_simple_error_code(erp, DK4_E_SYNTAX);
}
} else {
dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS);
}
return back;
}
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