From:	"Morpheus" <hall AT silo DOT csci DOT unt DOT edu>
Newsgroups:	comp.os.msdos.djgpp
Subject:	Re: make/linking trouble
Date:	Sun, 7 Nov 1999 19:33:42 -0600
Organization:	Zion
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References:	<80592o$mnp AT hermes DOT acs DOT unt DOT edu>
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*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;
}

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