version 1.2, 2009/09/09 09:07:31
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version 1.19, 2021/11/26 01:15:03
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* $Author$ |
* $Author$ |
* $Id$ |
* $Id$ |
* |
* |
*************************************************************************/ | ************************************************************************** |
#include "global.h" | The ELWIX and AITNET software is distributed under the following |
#include "aitcfg.h" | terms: |
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|
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All of the documentation and software included in the ELWIX and AITNET |
|
Releases is copyrighted by ELWIX - Sofia/Bulgaria <info@elwix.org> |
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|
/* | Copyright 2004 - 2021 |
* SelectAttribute() Select item //{tagPair} from config list with attribute parameter(s) | by Michael Pounov <misho@elwix.org>. All rights reserved. |
* @cfg = Head list element | |
* @csSec = Config section //[{csSec}], if NULL search in *default* section | Redistribution and use in source and binary forms, with or without |
* @csAttr = Config attribute //{csAttr} = ..., if NULL search in *any* attribute | modification, are permitted provided that the following conditions |
* return: NULL not found attribute; //{tagPair} selected first seen attribute item from list | are met: |
| 1. Redistributions of source code must retain the above copyright |
| notice, this list of conditions and the following disclaimer. |
| 2. Redistributions in binary form must reproduce the above copyright |
| notice, this list of conditions and the following disclaimer in the |
| documentation and/or other materials provided with the distribution. |
| 3. All advertising materials mentioning features or use of this software |
| must display the following acknowledgement: |
| This product includes software developed by Michael Pounov <misho@elwix.org> |
| ELWIX - Embedded LightWeight unIX and its contributors. |
| 4. Neither the name of AITNET nor the names of its contributors |
| may be used to endorse or promote products derived from this software |
| without specific prior written permission. |
| |
| THIS SOFTWARE IS PROVIDED BY AITNET 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 REGENTS 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. |
*/ |
*/ |
static inline struct tagPair *SelectAttribute(sl_config * __restrict cfg, const u_char *csSec, const u_char *csAttr) | #include "global.h" |
| |
| |
| static inline struct tagCfg * |
| _selectAttribute(cfg_root_t * __restrict cfg, const char *csSec, const char *csAttr) |
{ |
{ |
struct tagPair *av; | struct tagCfg fav, *c, *n; |
|
|
if (!cfg) |
if (!cfg) |
return NULL; |
return NULL; |
|
else |
|
memset(&fav, 0, sizeof fav); |
|
|
for (av = cfg->slh_first; av; av = av->sle_next) { | if (csSec && *csSec) |
if ((!csSec || !*csSec) && !av->psSection) { | AIT_KEY(&fav.cfg_sec) = crcFletcher16((u_short*) csSec, |
if (!csAttr) | E_ALIGN(strlen(csSec), 2) / 2); |
return av; | if (csAttr) |
if (!strcmp((char*) av->psAttribute, (char*) csAttr)) | AIT_KEY(&fav.cfg_attr) = crcFletcher16((u_short*) csAttr, |
return av; | E_ALIGN(strlen(csAttr), 2) / 2); |
| |
| if (!csAttr) { |
| c = RB_NFIND(tagRC, cfg, &fav); |
| if (!c) |
| return NULL; /* not found */ |
| if (csSec && !AIT_ISEMPTY(&c->cfg_sec) && |
| strcmp(csSec, AIT_GET_STR(&c->cfg_sec))) |
| TAILQ_FOREACH_SAFE(c, cfg, cfg_next, n) { |
| if (!AIT_ISEMPTY(&c->cfg_sec) && |
| !strcmp(csSec, AIT_GET_STR(&c->cfg_sec))) |
| break; |
| } |
| return c; |
| } else { |
| c = RB_FIND(tagRC, cfg, &fav); |
| if (!c) |
| return NULL; /* not found */ |
| /* if cannot find right section */ |
| if (csSec && !AIT_ISEMPTY(&c->cfg_sec) && |
| strcmp(csSec, AIT_GET_STR(&c->cfg_sec))) { |
| TAILQ_FOREACH_SAFE(c, cfg, cfg_next, n) { |
| if (!AIT_ISEMPTY(&c->cfg_sec) && csAttr && |
| !strcmp(csSec, AIT_GET_STR(&c->cfg_sec)) && |
| !strcmp(csAttr, AIT_GET_STR(&c->cfg_attr))) |
| return c; /* FOUND! */ |
| } |
| return NULL; /* not found */ |
} |
} |
if (csSec && av->psSection && !strcmp((char*) av->psSection, (char*) csSec)) { | do { |
if (!csAttr) | if (!strcmp(AIT_GET_STR(&c->cfg_attr), csAttr)) |
return av; | return c; /* FOUND! */ |
if (!strcmp((char*) av->psAttribute, (char*) csAttr)) | } while ((c = RB_NEXT(tagRC, cfg, c)) && c && !cfg_tree_cmp(c, &fav)); |
return av; | /* if cannot find right attribute */ |
| TAILQ_FOREACH_SAFE(c, cfg, cfg_next, n) { |
| if ((!csSec && AIT_ISEMPTY(&c->cfg_sec)) || |
| (csSec && !AIT_ISEMPTY(&c->cfg_sec) && |
| !strcmp(csSec, AIT_GET_STR(&c->cfg_sec)))) |
| if (!AIT_ISEMPTY(&c->cfg_attr) && csAttr && |
| !strcmp(csAttr, AIT_GET_STR(&c->cfg_attr))) |
| return c; /* FOUND! */ |
} |
} |
|
return NULL; /* not found */ |
} |
} |
|
|
return NULL; |
|
} |
} |
|
|
|
/* --------------------------------------------------------------- */ |
|
|
/* |
/* |
* DestroyAttribute() Free //{tagPair} item elements memory and destroy resource | * cfg_dumpCfg() - dump config data |
* @pair = Free this element | * |
*/ | * @cfg = Config root |
static inline void DestroyAttribute(struct tagPair *pair) | * return: none |
| */ |
| void |
| cfg_dumpCfg(cfg_root_t * __restrict cfg) |
{ |
{ |
if (!pair) | struct tagCfg *r, *c, *ctmp, *q, *qtmp; |
return; | int syn; |
|
|
if (pair->psValue) | r = RB_ROOT(cfg); |
free(pair->psValue); | printf("ROOT:: KEY=%.8x [%s] %s=%s\n", ((AIT_KEY(&r->cfg_sec) << 15) | AIT_KEY(&r->cfg_attr)), |
if (pair->psAttribute) | AIT_ADDR(&r->cfg_sec), AIT_ADDR(&r->cfg_attr), AIT_ADDR(&r->cfg_val)); |
free(pair->psAttribute); | |
if (pair->psSection) | |
free(pair->psSection); | |
|
|
free(pair); | RB_FOREACH_SAFE(c, tagRC, cfg, ctmp) { |
| syn ^= syn; |
| TAILQ_FOREACH_SAFE(q, cfg, cfg_next, qtmp) { |
| if (c == q) { |
| syn = 42; |
| break; |
| } |
| } |
| |
| printf("%s KEY=%.8x [%s] %s=%s sync=%d\n", c == r ? "*" : "", |
| ((AIT_KEY(&c->cfg_sec) << 15) | AIT_KEY(&c->cfg_attr)), |
| AIT_ADDR(&c->cfg_sec), AIT_ADDR(&c->cfg_attr), AIT_ADDR(&c->cfg_val), syn); |
| } |
} |
} |
|
|
// ---------------------------------------------- | /* |
| * cfg_getSection() - Get entire section attributes into array |
| * |
| * @cfg = Config root |
| * @csSec = Config section //[{csSec}] |
| * return: NULL not found or !=NULL allocated array, must free with array_Destroy() after use! |
| */ |
| array_t * |
| cfg_getSection(cfg_root_t * __restrict cfg, const char *csSec) |
| { |
| array_t *arr = NULL; |
| struct tagCfg *av, fav; |
|
|
|
if (!cfg) { |
|
cfg_SetErr(EINVAL, "Invalid argument(s)"); |
|
return NULL; |
|
} else |
|
memset(&fav, 0, sizeof fav); |
|
if (csSec && !*csSec) |
|
csSec = NULL; |
|
|
|
if (csSec && *csSec) |
|
AIT_KEY(&fav.cfg_sec) = crcFletcher16((u_short*) csSec, |
|
E_ALIGN(strlen(csSec), 2) / 2); |
|
|
|
arr = array_Init(0); |
|
if (!arr) { |
|
cfg_SetErr(elwix_GetErrno(), "%s", elwix_GetError()); |
|
return NULL; |
|
} |
|
|
|
TAILQ_FOREACH(av, cfg, cfg_next) |
|
if (AIT_KEY(&av->cfg_sec) == AIT_KEY(&fav.cfg_sec)) { |
|
if (!csSec) { |
|
if (AIT_ISEMPTY(&av->cfg_sec)) |
|
array_Push(arr, av, 0); |
|
} else { |
|
if (!AIT_ISEMPTY(&av->cfg_sec) && |
|
!strcmp(AIT_GET_STR(&av->cfg_sec), csSec)) |
|
array_Push(arr, av, 0); |
|
} |
|
} |
|
|
|
if (!array_Size(arr)) |
|
array_Destroy(&arr); |
|
|
|
return arr; |
|
} |
|
|
/* |
/* |
* cfg_FindAttribute() Find attribute position in config list | * cfg_findAttribute() - Find attribute position in config file |
* @cfg = Head list element | * |
| * @cfg = Config root |
* @csSec = Config section //[{csSec}] |
* @csSec = Config section //[{csSec}] |
* @csAttr = Config attribute //{csAttr} = ... |
* @csAttr = Config attribute //{csAttr} = ... |
* return: 0 not found item; -1 error: null parameters; >0 position in list | * return: 0 not found item, -1 error or >0 position in list |
*/ | */ |
inline int cfg_FindAttribute(sl_config * __restrict cfg, const u_char *csSec, const u_char *csAttr) | int |
| cfg_findAttribute(cfg_root_t * __restrict cfg, const char *csSec, const char *csAttr) |
{ |
{ |
struct tagPair *av; | struct tagCfg *av, *n; |
register int cx = 0; |
register int cx = 0; |
|
|
if (!cfg || !csAttr) | if (!cfg) { |
| cfg_SetErr(EINVAL, "Invalid argument(s)"); |
return -1; |
return -1; |
|
} |
|
|
for (av = cfg->slh_first; av; av = av->sle_next) { | TAILQ_FOREACH_SAFE(av, cfg, cfg_next, n) { |
++cx; |
++cx; |
if ((!csSec || !*csSec) && !av->psSection) | |
if (!strcmp((char*) av->psAttribute, (char*) csAttr)) | if ((!csSec && AIT_ISEMPTY(&av->cfg_sec)) || |
| (csSec && !AIT_ISEMPTY(&av->cfg_sec) && |
| !strcmp(csSec, AIT_GET_STR(&av->cfg_sec)))) |
| if (!AIT_ISEMPTY(&av->cfg_attr) && csAttr && |
| !strcmp(csAttr, AIT_GET_STR(&av->cfg_attr))) |
return cx; |
return cx; |
if (csSec && av->psSection && !strcmp((char*) av->psSection, (char*) csSec)) |
|
if (!strcmp((char*) av->psAttribute, (char*) csAttr)) |
|
return cx; |
|
} |
} |
|
|
return 0; |
return 0; |
} |
} |
|
|
/* |
/* |
* cfg_UnsetAttribute() Unset item from config list and free resources | * cfg_unsetAttribute() - Unset item from config and free resources |
* @cfg = Head list element | * |
| * @cfg = Config root |
* @csSec = Config section //[{csSec}], if NULL unset in *default* section |
* @csSec = Config section //[{csSec}], if NULL unset in *default* section |
* @csAttr = Config attribute //{csAttr} = ..., if NULL unset as *any* attribute | * @csAttr = Config attribute //{csAttr} = ... |
* return: 0 item not found, -1 error: null parameters; >0 position in list | * return: 0 item not found, -1 error or 1 removed item |
*/ | */ |
int cfg_UnsetAttribute(sl_config * __restrict cfg, const u_char *csSec, const u_char *csAttr) | int |
| cfg_unsetAttribute(cfg_root_t * __restrict cfg, const char *csSec, const char *csAttr) |
{ |
{ |
struct tagPair *av, *curr; | struct tagCfg *av; |
register int cx = 0; | |
|
|
if (!cfg || !csAttr) | if (!cfg) |
return -1; |
return -1; |
|
|
av = SelectAttribute(cfg, csSec, csAttr); | av = _selectAttribute(cfg, csSec, csAttr); |
if (!av) |
if (!av) |
return 0; |
return 0; |
|
|
// remove element | CFG_RC_LOCK(cfg); |
// remove element when is first! | RB_REMOVE(tagRC, cfg, av); |
if (cfg->slh_first == av) { | TAILQ_REMOVE(cfg, av, cfg_next); |
cfg->slh_first = cfg->slh_first->sle_next; | CFG_RC_UNLOCK(cfg); |
|
|
DestroyAttribute(av); | AIT_FREE_VAL(&av->cfg_val); |
return 1; | AIT_FREE_VAL(&av->cfg_attr); |
} | AIT_FREE_VAL(&av->cfg_sec); |
// remove element in other cases... | e_free(av); |
curr = cfg->slh_first; | return 1; |
while (curr->sle_next != av) { | |
++cx; | |
curr = curr->sle_next; | |
} | |
curr->sle_next = curr->sle_next->sle_next; | |
| |
DestroyAttribute(av); | |
return cx; | |
} |
} |
|
|
/* |
/* |
* cfg_SetAttribute() Set item in config list or add new item if not exists | * cfg_setAttribute() - Set item in config or adding new item if not exists |
* @cfg = Head list element | * |
| * @cfg = Config root |
* @csSec = Config section //[{csSec}], if NULL set in *default* section |
* @csSec = Config section //[{csSec}], if NULL set in *default* section |
* @csAttr = Config attribute //{csAttr} = ..., if NULL set as *any* attribute | * @csAttr = Config attribute //{csAttr} = ... |
* @csVal = Config value //... = {csVal} to setup |
* @csVal = Config value //... = {csVal} to setup |
* return: 0 nothing changed, -1 error: not enough memory; 1 find and update item; 2 added new item | * return: 0 nothing changed, -1 error, 1 found and updated item or 2 added new item |
*/ | */ |
int cfg_SetAttribute(sl_config * __restrict cfg, const u_char *csSec, const u_char *csAttr, const u_char *csVal) | int |
| cfg_setAttribute(cfg_root_t * __restrict cfg, const char *csSec, const char *csAttr, const char *csVal) |
{ |
{ |
struct tagPair *av, *section; | struct tagCfg *av, *section; |
|
|
if (!cfg || !csAttr) |
if (!cfg || !csAttr) |
return -1; |
return -1; |
|
|
av = SelectAttribute(cfg, csSec, csAttr); | av = _selectAttribute(cfg, csSec, csAttr); |
if (!av) { |
if (!av) { |
section = SelectAttribute(cfg, csSec, NULL); | /* adding new element */ |
| section = _selectAttribute(cfg, csSec, NULL); |
|
|
av = malloc(sizeof(struct tagPair)); | av = e_malloc(sizeof(struct tagCfg)); |
if (!av) { |
if (!av) { |
LOGERR; |
LOGERR; |
return -1; |
return -1; |
} else { |
} else { |
memset(av, 0, sizeof(struct tagPair)); | memset(av, 0, sizeof(struct tagCfg)); |
|
|
if (!section) { | CFG_RC_LOCK(cfg); |
// add new element | if (!section) |
av->sle_next = cfg->slh_first; | TAILQ_INSERT_TAIL(cfg, av, cfg_next); |
cfg->slh_first = av; | else |
} else { | TAILQ_INSERT_BEFORE(section, av, cfg_next); |
// add new element in existing section | CFG_RC_UNLOCK(cfg); |
av->sle_next = section->sle_next; | |
section->sle_next = av; | |
} | |
} |
} |
// added section name to element |
|
if (csSec && *csSec) { |
|
av->psSection = malloc(strlen((char*) csSec) + 1); |
|
if (!av->psSection) { |
|
LOGERR; |
|
free(av); |
|
return -1; |
|
} else { |
|
strlcpy((char*) av->psSection, (char*) csSec, strlen((char*) csSec) + 1); |
|
} |
|
} else |
|
av->psSection = NULL; |
|
|
|
// added attribute to element | if (csSec && *csSec) { |
av->psAttribute = malloc(strlen((char*) csAttr) + 1); | AIT_SET_STR(&av->cfg_sec, csSec); |
if (!av->psAttribute) { | AIT_KEY(&av->cfg_sec) = crcFletcher16(AIT_GET_LIKE(&av->cfg_sec, u_short*), |
LOGERR; | E_ALIGN(AIT_LEN(&av->cfg_sec) - 1, 2) / 2); |
free(av->psSection); | |
free(av); | |
return -1; | |
} else { | |
strlcpy((char*) av->psAttribute, (char*) csAttr, strlen((char*) csAttr) + 1); | |
} |
} |
// added value to element | AIT_SET_STR(&av->cfg_val, csVal ? csVal : ""); |
if (csVal && *csVal) { | AIT_SET_STR(&av->cfg_attr, csAttr); |
av->psValue = malloc(strlen((char*) csVal) + 1); | AIT_KEY(&av->cfg_attr) = crcFletcher16(AIT_GET_LIKE(&av->cfg_attr, u_short*), |
if (!av->psValue) { | E_ALIGN(AIT_LEN(&av->cfg_attr) - 1, 2) / 2); |
LOGERR; | |
free(av->psAttribute); | |
free(av->psSection); | |
free(av); | |
return -1; | |
} else { | |
strlcpy((char*) av->psValue, (char*) csVal, strlen((char*) csVal) + 1); | |
} | |
} else { | |
av->psValue = malloc(1); | |
*av->psValue = 0; | |
} | |
|
|
// Added new element | CFG_RC_LOCK(cfg); |
| RB_INSERT(tagRC, cfg, av); |
| CFG_RC_UNLOCK(cfg); |
return 2; |
return 2; |
} |
} |
|
|
if (strcmp((char*) csVal, (char*) av->psValue)) { | if (csVal && AIT_ADDR(&av->cfg_val) && |
av->psValue = realloc(av->psValue, strlen((char*) csVal) + 1); | strcmp((char*) csVal, (char*) AIT_GET_STR(&av->cfg_val))) { |
strlcpy((char*) av->psValue, (char*) csVal, strlen((char*) csVal) + 1); | /* Update element */ |
| AIT_FREE_VAL(&av->cfg_val); |
// Update element | AIT_SET_STR(&av->cfg_val, csVal); |
return 1; |
return 1; |
} |
} |
|
|
// Nothing happens ... finded & values is equal! | /* Nothing happens ... found & values is equal! */ |
return 0; |
return 0; |
} |
} |
|
|
/* |
/* |
* cfg_GetAttribute() Get item from config list and return his value | * cfg_getAttribute() - Get item from config and return value from it |
* @cfg = Head list element | * |
| * @cfg = Config root |
* @csSec = Config section //[{csSec}], if NULL unset in *default* section |
* @csSec = Config section //[{csSec}], if NULL unset in *default* section |
* @csAttr = Config attribute //{csAttr} = ..., if NULL unset as *any* attribute | * @csAttr = Config attribute //{csAttr} = ... |
* return: NULL item not found or null parameters; !=NULL value const string | * return: NULL item not found or null parameters, !=NULL value const string |
*/ | */ |
inline const u_char *cfg_GetAttribute(sl_config * __restrict cfg, const u_char *csSec, const u_char *csAttr) | const char * |
| cfg_getAttribute(cfg_root_t * __restrict cfg, const char *csSec, const char *csAttr) |
{ |
{ |
struct tagPair *av; | struct tagCfg *av; |
|
|
if (!cfg || !csAttr) | if (!cfg) |
return NULL; |
return NULL; |
|
|
av = SelectAttribute(cfg, csSec, csAttr); | av = _selectAttribute(cfg, csSec, csAttr); |
if (!av) |
if (!av) |
return NULL; |
return NULL; |
|
|
return av->psValue; | return AIT_GET_STR(&av->cfg_val); |
} |
} |
|
|
// -------------------------------------------------------------- | /* |
| * cfg_getAttributeLong() - Get item as long from config and return value from it |
| * |
| * @cfg = Config root |
| * @csSec = Config section //[{csSec}], if NULL unset in *default* section |
| * @csAttr = Config attribute //{csAttr} = ... |
| * return: value |
| */ |
| long |
| cfg_getAttributeLong(cfg_root_t * __restrict cfg, const char *csSec, const char *csAttr) |
| { |
| const char *str = NULL; |
|
|
|
str = cfg_getAttribute(cfg, csSec, csAttr); |
|
return strtol(str ? str : "", NULL, 0); |
|
} |
|
|
/* |
/* |
* cfg_LoadAttribute() Extended get attribute, if not found item return *default value* | * cfg_getAttributeLLong() - Get item as long long from config and return value from it |
* @cfg = Head list element | * |
| * @cfg = Config root |
* @csSec = Config section //[{csSec}], if NULL unset in *default* section |
* @csSec = Config section //[{csSec}], if NULL unset in *default* section |
* @csAttr = Config attribute //{csAttr} = ..., if NULL unset as *any* attribute | * @csAttr = Config attribute //{csAttr} = ... |
* @psVal = Return buffer for item Value //... = {psVal} | * return: value |
* @ValLen = Length of buffer //{psVal} for return | */ |
* @csDefValue = *Default Value* for return in //{psVal}, if not found item in config list | long long |
* return: 0 item not found, -1 error: null parameters; >0 number of copied bytes in //{psVal} | cfg_getAttributeLLong(cfg_root_t * __restrict cfg, const char *csSec, const char *csAttr) |
*/ | |
int cfg_LoadAttribute(sl_config * __restrict cfg, const u_char *csSec, const u_char *csAttr, | |
u_char * __restrict psVal, int ValLen, const char *csDefValue) | |
{ |
{ |
struct tagPair *av; | const char *str = NULL; |
| |
| str = cfg_getAttribute(cfg, csSec, csAttr); |
| return strtoll(str ? str : "", NULL, 0); |
| } |
| |
| /* |
| * cfg_getAttributeDouble() - Get item as double from config and return value from it |
| * |
| * @cfg = Config root |
| * @csSec = Config section //[{csSec}], if NULL unset in *default* section |
| * @csAttr = Config attribute //{csAttr} = ... |
| * return: value |
| */ |
| double |
| cfg_getAttributeDouble(cfg_root_t * __restrict cfg, const char *csSec, const char *csAttr) |
| { |
| const char *str = NULL; |
| |
| str = cfg_getAttribute(cfg, csSec, csAttr); |
| return strtod(str ? str : "", NULL); |
| } |
| |
| /* |
| * cfg_getAttributeLDouble() - Get item as long double from config and return value from it |
| * |
| * @cfg = Config root |
| * @csSec = Config section //[{csSec}], if NULL unset in *default* section |
| * @csAttr = Config attribute //{csAttr} = ... |
| * return: value |
| */ |
| long double |
| cfg_getAttributeLDouble(cfg_root_t * __restrict cfg, const char *csSec, const char *csAttr) |
| { |
| const char *str = NULL; |
| |
| str = cfg_getAttribute(cfg, csSec, csAttr); |
| return strtold(str ? str : "", NULL); |
| } |
| |
| /* |
| * cfg_loadAttribute() - Get guarded attribute, if not found item return *default value* |
| * |
| * @cfg = Config root |
| * @csSec = Config section //[{csSec}], if NULL unset in *default* section |
| * @csAttr = Config attribute //{csAttr} = ... |
| * @val = Return buffer for item Value //... = {val} |
| * @csDefValue = *Default Value* for return in //{val}, if not found item in config |
| * return: 0 item not found, -1 error or >0 number of copied bytes in //{val} |
| */ |
| int |
| cfg_loadAttribute(cfg_root_t * __restrict cfg, const char *csSec, const char *csAttr, |
| ait_val_t * __restrict val, const char *csDefValue) |
| { |
| struct tagCfg *av; |
int ret = 0; |
int ret = 0; |
|
|
if (!cfg || !csAttr || !ValLen || !psVal) | if (!cfg || !val) { |
| cfg_SetErr(EINVAL, "Invalid argument(s)"); |
return -1; |
return -1; |
|
} |
|
|
av = SelectAttribute(cfg, csSec, csAttr); | AIT_INIT_VAL(val); |
| av = _selectAttribute(cfg, csSec, csAttr); |
if (!av) { |
if (!av) { |
|
/* not found item */ |
if (csDefValue) { |
if (csDefValue) { |
strlcpy((char*) psVal, csDefValue, ValLen); | AIT_SET_STR(val, csDefValue); |
ret = strlen((char*) psVal); | ret = AIT_LEN(val); |
} | } else |
| AIT_INIT_VAL(val); |
return ret; |
return ret; |
} |
} |
|
|
if (!av->psValue || !*av->psValue) { | if (AIT_ISEMPTY(&av->cfg_val) || !AIT_ADDR(&av->cfg_val) || |
| !*AIT_GET_LIKE(&av->cfg_val, char*)) { |
| /* empty value */ |
if (csDefValue) { |
if (csDefValue) { |
strlcpy((char*) psVal, csDefValue, ValLen); | AIT_SET_STR(val, csDefValue); |
ret = strlen((char*) psVal); | ret = AIT_LEN(val); |
} | } else |
| AIT_INIT_VAL(val); |
} else { |
} else { |
strlcpy((char*) psVal, (char*) av->psValue, ValLen); | /* copy value */ |
ret = strlen((char*) psVal); | AIT_SET_STR(val, AIT_GET_STR(&av->cfg_val)); |
| ret = AIT_LEN(val); |
} |
} |
|
|
return ret; |
return ret; |