/*
?*?libdmtx?-?Data?Matrix?Encoding/Decoding?Library
?*
?*?Copyright?（C）?2011?Mike?Laughton
?*
?*?This?library?is?free?software;?you?can?redistribute?it?and/or
?*?modify?it?under?the?terms?of?the?GNU?Lesser?General?Public
?*?License?as?published?by?the?Free?Software?Foundation;?either
?*?version?2.1?of?the?License?or?（at?your?option）?any?later?version.
?*
?*?This?library?is?distributed?in?the?hope?that?it?will?be?useful
?*?but?WITHOUT?ANY?WARRANTY;?without?even?the?implied?warranty?of
?*?MERCHANTABILITY?or?FITNESS?FOR?A?PARTICULAR?PURPOSE.??See?the?GNU
?*?Lesser?General?Public?License?for?more?details.
?*
?*?You?should?have?received?a?copy?of?the?GNU?Lesser?General?Public
?*?License?along?with?this?library;?if?not?write?to?the?Free?Software
?*?Foundation?Inc.?51?Franklin?St?Fifth?Floor?Boston?MA??02110-1301??USA
?*
?*?Contact:?mike@dragonflylogic.com
?*/

#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?“dmtxutil.h“

#undef?ISDIGIT
#define?ISDIGIT（n）?（n?>?47?&&?n?
extern?char?*programName;

/**
?*?@brief??Display?error?message?and?exit?with?error?status
?*?@param??errorCode?error?code?returned?to?OS
?*?@param??fmt?error?message?format?for?printing
?*?@return?void
?*/
extern?void
FatalError（int?errorCode?char?*fmt?...）
{
???va_list?va;

???va_start（va?fmt）;
???fprintf（stderr?“%s:?“?programName）;
???vfprintf（stderr?fmt?va）;
???va_end（va）;
???fprintf（stderr?“\n\n“）;
???fflush（stderr）;

???exit（errorCode）;
}

/**
?*?@brief??Convert?character?string?to?integer
?*?@param??numberInt?pointer?to?converted?integer
?*?@param??numberString?string?to?be?converted
?*?@param??terminate?pointer?to?first?invalid?address
?*?@return?DmtxPass?|?DmtxFail
?*/
extern?DmtxPassFail
StringToInt（int?*numberInt?char?*numberString?char?**terminate）
{
???long?numberLong;

???if（!ISDIGIT（*numberString））?{
??????*numberInt?=?DmtxUndefined;
??????return?DmtxFail;
???}

???errno?=?0;
???numberLong?=?strtol（numberString?terminate?10）;

???while（isspace（（int）**terminate））
??????（*terminate）++;

???if（errno?!=?0?||?（**terminate?!=?‘\0‘?&&?**terminate?!=?‘%‘））?{
??????*numberInt?=?DmtxUndefined;
??????return?DmtxFail;
???}

???*numberInt?=?（int）numberLong;

???return?DmtxPass;
}

/**
?*?@brief??XXX
?*?@param??path
?*?@return?pointer?to?adjusted?path?string
?*/
extern?char?*
basename（char?*path）
{
???assert（path）;

???if（strrchr（path?‘/‘））
??????path?=?strrchr（path?‘/‘）?+?1;

???if（strrchr（path?‘\\‘））
??????path?=?strrchr（path?‘\\‘）?+?1;

???return?path;
}