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applied patch #1372561 - !define /math compile time enhancement

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git-svn-id: https://svn.code.sf.net/p/nsis/code/NSIS/trunk@4528 212acab6-be3b-0410-9dea-997c60f758d6
This commit is contained in:
kichik 2006-02-24 15:52:40 +00:00
parent f9b8b44682
commit 2b3aa18846
4 changed files with 83 additions and 5 deletions
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38
Source/script.cpp
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@ -405,7 +405,7 @@ parse_again:
int istrue=0;
int mod=0;
int p=0;
if (tkid == TOK_P_IF) {
@ -2698,7 +2698,7 @@ int CEXEBuild::doCommand(int which_token, LineParser &line)
value=line.gettoken_str(3);
time_t rawtime;
time(&rawtime);
time(&rawtime);
datebuf[0]=0;
size_t s=strftime(datebuf,sizeof(datebuf),value,localtime(&rawtime));
@ -2711,6 +2711,40 @@ int CEXEBuild::doCommand(int which_token, LineParser &line)
value=datebuf;
date=true;
} else if (!stricmp(define,"/math")) {
int value1;
int value2;
char *mathop;
if (line.getnumtokens()!=6) PRINTHELP()
define = line.gettoken_str(2);
value1 = line.gettoken_int(3));
mathop = line.gettoken_str(4);
value2 = line.gettoken_int(5);
if (!strcmp(mathop,"+")) {
sprintf(value,"%d",value1+value2);
} else if (!strcmp(mathop,"-")) {
sprintf(value,"%d",value1-value2);
} else if (!strcmp(mathop,"*")) {
sprintf(value,"%d",value1*value2);
} else if (!strcmp(mathop,"%")) {
if (value2==0) {
ERROR_MSG("!define /math: division by zero! (\"%i / %i\")\n",value1,value2);
return PS_ERROR;
}
sprintf(value,"%d",value1/value2);
} else if (!strcmp(mathop,"%")) {
if (value2==0) {
ERROR_MSG("!define /math: division by zero! (\"%i %% %i\")\n",value1,value2);
return PS_ERROR;
}
sprintf(value,"%d",value1%value2);
} else PRINTHELP()
} else {
if (line.getnumtokens()==4) PRINTHELP()