From: "Morpheus" <d_a_hall AT yahoo DOT com>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: compiling C++
Date: Fri, 5 Nov 1999 06:00:22 -0600
Organization: University of North Texas
Lines: 268
Message-ID: <7vugut$7d9@hermes.acs.unt.edu>
References: <7vsnag$jhc AT hermes DOT acs DOT unt DOT edu>
NNTP-Posting-Host: dfw-premium-2.dialup.unt.edu
X-Priority: 3
X-MSMail-Priority: Normal
X-Newsreader: Microsoft Outlook Express 5.00.2314.1300
X-MimeOLE: Produced By Microsoft MimeOLE V5.00.2314.1300
To: djgpp AT Delorie DOT com
DJ-Gateway: from newsgroup comp.os.msdos.djgpp
Reply-To: djgpp AT delorie DOT com

Here's the long version of my problem with all files:

*StringUtils.h*

#ifndef __STRING_UTILS__
#define __STRING_UTILS__

#define MAX_CHARS = 255;

void freeString(char* str);
char** newStringArray(int n);
void freeStringArray(char** str);
char** resizeStringArray(char** str, int n);
char** newStringArrayFromFile(char* file);

#endif __STRING_UTILS__

*StringUtils.cpp*

#include <stdlib.h>
#include <stddef.h>
#include <string.h>
#include <fstream.h>
#include "fileUtils.h"
#include "StringUtils.h"

void freeString(char *str) {
 if(str != NULL) {
  delete str;
  str = NULL;
 }
}

char** newStringArray(int n) {
 char** str = new char*[n];
 for(int i = 0; i < (n - 1); i++) {
  str[i] = "";
 }
 str[n - 1] = NULL;
 return str;
}

void freeStringArray(char** str) {
 if(str != NULL) {
  for(int i = 0; str[i] != NULL; i++) {
   freeString(str[i]);
  }
  str = NULL;
 }
}

char** resizeStringArray(char** str, int n) {
 char** strA = newStringArray(n);
 for(int i = 0; i < n; i++) {
  strA[i] = NULL;
 }

 if(str != NULL) {
  for(int i = 0; i < n; i++) {
   if(str[i] == NULL) {
    break;
   }
   strA[i] = strdup(str[i]);
  }
 }

 freeStringArray(str);
 return strA;
}

*FileUtils.h*

#ifndef __FILE_UTILS__
#define __FILE_UTILS__

int getFileNumLines(char* file);

#endif __FILE_UTILS__

*FileUtils.cpp*

#include <fstream.h>
#include "StringUtils.h"
#include "FileUtils.h"

int getFileNumLines(char* file) {
 ifstream in = new ifstream(file);
 if(!in) {
  return 0;
 }
 char* line = new char[MAX_CHARS + 1];
 int numLines = 0;
 in.readLine(line, MAX_CHARS);

 while(in) {
  numLines++;
  in.readLine(line, MAX_CHARS);
 }

 StringUtils::freeString(line);
 in.close();
 ~in();
 return numLines;
}

*IniUtils.h*

#ifndef __INI_FILE__
#define __INI_FILE__

class IniFile {
private:
 char* file;
 char* activeSecName;
 char** activeSec;
public:
 IniFile();
 IniFile(char* file);
 void setFile(char* file);
 void setActiveSection(char* secName);
 char* getValue(char* keyword);
 char* getActiveSectionName();
};

#endif __INI_FILE__

*IniUtils.cpp*

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <fstream.h>
#include "StringUtils.h"

IniFile::IniFile() {
 file = NULL;
 activeSecName = NULL;
 activeSec = NULL;
}

IniFile::IniFile(const char* file) {
 setFile(file);
 activeSecName = NULL;
 activeSec = NULL;
}

void IniFile::setFile(const char* file) {
 this.file = strdup(file);
}

void IniFile::setActiveSection(const char* secName) {
 // with code written by my instructor
 char* searchSection = new char[strlen(secName) + 3];
 char* line = new char[MAX_CHARS + 1];
 activeSec = NULL;
 int numLines = 0;

 ifstream inifile = new ifstream(file);
 if(!inifile) {
  return NULL;
 }

 sprintf (searchSection, "[%s]", secName);

 // look for specified section
 do {
  inifile.getline(line, MAX_CHARS);
 } while(!inifile.eof() && !inifile.fail() && strcasecmp(line,
searchSection) != 0);

 while (1) {
  inifile.getline(line, MAX_CHARS);
  if (inifile.eof() || inifile.fail() || line[0] == '[') {
   break;
  }
  numLines++;
  activeSec = newStringArray(numLines + 1);
  // (char **) realloc (activeSec, (numLines+1) * sizeof (char *));
  activeSection[numLines++] = strdup(line);
  // numLines++;
 }

 // add the NULL at the end of the dynamic array
 // activeSection = (char **)realloc(activeSection, (numLines+1) * sizeof
(char *));
// activeSection[numLines] = NULL;

 inifile.close();
 freeStringArray(searchSection);
}

char* IniFile::getValue(char* keyword) {
 char* value = NULL;
 if((activeSec == NULL) || (keyword == NULL)) {
  return NULL;
 }

 char *pName, *pValue;

 // look for keyword in section
 while(*activeSec) {
 pName = *activeSec;
 pValue = strchr(*section++, '=');
 if (pValue == NULL) {
  continue;
 }

 if (strncasecmp(pName, keyword, strlen(keyword)) == 0) {
  strcpy(value, pValue + 1);
  return value;
 }

  // checked each line, found no match; so save default
 return NULL;
}

char* IniFile::getActiveSectionName() {
 return strdup(activeSecName);
}

int main() {
 IniFile* ini = new IniFile("demo1.sim");
 ini->setActiveSection("Configuration");
 cout << ini->getValue("Author");
}


Then, after compiling with:
redir -eo gxx -v -O2 -Wall IniUtils.cpp -o IniUtils.exe > compile.log

*compile.log*

Reading specs from d:/djgpp/lib/specs
gcc.exe: unrecognized option `-02'
gcc version 2.95.1 19990816 (release)
 d:/djgpp/lib/gcc-lib/djgpp/2.951/cpp.exe -lang-c++ -v -isystem
d:/djgpp/bin/include -D__GNUC__=2 -D__GNUG__=2 -D__GNUC_MINOR__=95 -D__cplus
plus -Dunix -Di386 -DGO32 -DMSDOS -DDJGPP=2 -DDJGPP_MINOR=2 -D__unix__ -D__i
386__ -D__GO32__ -D__MSDOS__ -D__DJGPP__=2 -D__DJGPP_MINOR__=2 -D__unix -D__
i386 -D__GO32 -D__MSDOS -D__DJGPP=2 -D__DJGPP_MINOR=2 -D__EXCEPTIONS -Wall
IniUtils.cpp d:/djgpp/tmp\ccNOUELe.ii
GNU CPP version 2.95.1 19990816 (release) (80386, BSD syntax)
#include "..." search starts here:
#include <...> search starts here:
 d:/djgpp/lang/cxx
 d:/djgpp/include
 d:/djgpp/lang/cxx
 d:/djgpp/lib/gcc-lib/djgpp/2.951/include
 d:/djgpp/include
End of search list.
The following default directories have been omitted from the search path:
 $DJDIR/lib/gcc-lib/djgpp/2.951/../../../../djgpp/include
End of omitted list.
 d:/djgpp/lib/gcc-lib/djgpp/2.951/cc1plus.exe
d:/djgpp/tmp\ccNOUELe.ii -m486 -malign-jumps=2 -malign-loops=2 -malign-funct
ions=2 -m486 -malign-jumps=2 -malign-loops=2 -malign-functions=2 -quiet -dum
pbase IniUtils.cc -Wall -version -o d:/djgpp/tmp\ccosVjGG.s
GNU C++ version 2.95.1 19990816 (release) (djgpp) compiled by GNU C version
2.95.1 19990816 (release).
 d:/djgpp/bin/as.exe -o d:/djgpp/tmp\ccz2CoWH.o d:/djgpp/tmp\ccosVjGG.s
 d:/djgpp/bin/ld.exe -o IniUtils.exe
d:/djgpp/lib/crt0.o -Ld:/djgpp/lib -Ld:/djgpp/lib/gcc-lib/djgpp/2.951 -Ld:/d
jgpp/bin -Ld:/djgpp/lib
d:/djgpp/tmp\ccz2CoWH.o -lstdcxx -lgpp -lm -Tdjgpp.djl -lgcc -lc -lgcc

PLEASE HELP me out here.