/*?Licensed?to?the?Apache?Software?Foundation?（ASF）?under?one?or?more
?*?contributor?license?agreements.??See?the?NOTICE?file?distributed?with
?*?this?work?for?additional?information?regarding?copyright?ownership.
?*?The?ASF?licenses?this?file?to?You?under?the?Apache?License?Version?2.0
?*?（the?“License“）;?you?may?not?use?this?file?except?in?compliance?with
?*?the?License.??You?may?obtain?a?copy?of?the?License?at
?*
?*?????http://www.apache.org/licenses/LICENSE-2.0
?*
?*?Unless?required?by?applicable?law?or?agreed?to?in?writing?software
?*?distributed?under?the?License?is?distributed?on?an?“AS?IS“?BASIS
?*?WITHOUT?WARRANTIES?OR?CONDITIONS?OF?ANY?KIND?either?express?or?implied.
?*?See?the?License?for?the?specific?language?governing?permissions?and
?*?limitations?under?the?License.
?*/

/*?@version?$Id:?arguments.c?1453280?2013-03-06?10:45:30Z?mturk?$?*/
#include?“jsvc.h“
#include?
#include?

/*?Return?the?argument?of?a?command?line?option?*/
static?char?*optional（int?argc?char?*argv[]?int?argi）
{

????argi++;
????if?（argi?>=?argc）
????????return?NULL;
????if?（argv[argi]?==?NULL）
????????return?NULL;
????if?（argv[argi][0]?==?‘-‘）
????????return?NULL;
????return?strdup（argv[argi]）;
}

static?char?*memstrcat（char?*ptr?const?char?*str?const?char?*add）
{
????size_t?nl?=?1;
????int???nas?=?ptr?==?NULL;
????if?（ptr）
????????nl?+=?strlen（ptr）;
????if?（str）
????????nl?+=?strlen（str）;
????if?（add）
????????nl?+=?strlen（add）;
????ptr?=?（char?*）realloc（ptr?nl）;
????if?（ptr）?{
????????if?（nas）
????????????*ptr?=?‘\0‘;
????????if?（str）
????????????strcat（ptr?str）;
????????if?（add）
????????????strcat（ptr?add）;
????}
????return?ptr;
}

static?char*?eval_ppath（char?*strcp?const?char?*pattern）
{
????glob_t?globbuf;
????char???jars[PATH_MAX?+?1];

????if?（strlen（pattern）?>?（sizeof（jars）?-?5））?{
????????return?memstrcat（strcp?pattern?NULL）;
????}
????strcpy（jars?pattern）;
????strcat（jars?“.jar“）;
????memset（&globbuf?0?sizeof（glob_t））;
????if?（glob（jars?GLOB_ERR?NULL?&globbuf）?==?0）?{
????????size_t?n;
????????for?（n?=?0;?n?????????????strcp?=?memstrcat（strcp?globbuf.gl_pathv[n]?“:“）;
????????????if?（strcp?==?NULL）?{
????????????????globfree（&globbuf）;
????????????????return?NULL;
????????????}
????????}
????????strcp?=?memstrcat（strcp?globbuf.gl_pathv[n]?NULL）;
????????globfree（&globbuf）;
????}
????return?strcp;
}

#define?JAVA_CLASSPATH??????“-Djava.class.path=“
/**
?*?Call?glob?on?each?PATH?like?string?path.
?*?Glob?is?called?only?if?the?part?ends?with?asterisk?in?which
?*?case?asterisk?is?replaced?by?*.jar?when?searching
?*/
static?char*?eval_cpath（const?char?*cp）
{
????char?*cpy?=?memstrcat（NULL?JAVA_CLASSPATH?cp）;
????char?*gcp?=?NULL;
????char?*pos;
????char?*ptr;

????if?（!cpy）
????????return?NULL;
????ptr?=?cpy?+?sizeof（JAVA_CLASSPATH）?-?1;;
????while?（（pos?=?strchr（ptr?‘:‘）））?{
????????*pos?=?‘\0‘;
????????if?（gcp）
????????????gcp?=?memstrcat（gcp?“:“?NULL）;
????????else
???????????