OptionFreeText

Syntax

void OptionFreeText(struct OptionText *ptr);

Header

base/option.h

Library

opt

Description

The OptionFreeText function releases memory used to store the array of command line options.

The table of command line options is given by the argument ptr which is a pointer to a structure.

Returns

Returns zero on success. On error, (-1) is returned.

Errors

On error, (-1) is returned.

Example

Source Code: OptionFreeText.c

/* OptionFree.c
   ============
   Author: R.J.Barnes
 Copyright (c) 2012 The Johns Hopkins University/Applied Physics Laboratory

This file is part of the Radar Software Toolkit (RST).

RST is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program 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 General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.

Modifications:



#include <stdio.h>
#include <stdlib.h>
#include "option.h"


struct OptionData opt;
int arg=0;

int main(int argc,char *argv[]) {

  int n=0;
  struct OptionText  *text=NULL;

  OptionAdd(&opt,"t",'a',&text);

  arg=OptionProcess(1,argc,argv,&opt,NULL);

  OptionFree(&opt);
  if (text !=NULL) for (n=0;n<text->num;n++) fprintf(stdout,"%s'n",text->txt[n]);

  
  return 0;
}