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From: "Gustavo Niemeyer" <djgpp AT niemeyer DOT net>
To: <djgpp AT delorie DOT com>
Subject: RE: GPEs...
Date: Wed, 23 Jun 1999 17:31:11 -0300
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Maybe because if c=='>' you try to free container two
times so you free something that is not allocated. I got
some errors some time ago trying to do this.

Gustavo Niemeyer


-----Original Message-----
From: Daniel Eaton [mailto:deaton AT direct DOT ca]
Sent: Quarta-feira, 23 de Junho de 1999 01:27
To: djgpp AT delorie DOT com
Subject: GPEs...


Does anyone know why the mallocs give me a GPE about 50% of runs?

Thanks,
    Daniel Eaton

char *html_parse_tag_get(int filepos,FILE *fp)
{
  fseek(fp,filepos,SEEK_SET);

  int c;
  c=fgetc(fp);

  if(!c=='<')
    return _ERROR;

  char *tag=NULL,*container=NULL;

  int tagl=0;

  for(;;)
  {
    c=fgetc(fp);

    if(c=='>')
    {
      free(container);
      tag[tagl-1]='\0';
      return tag;
    }

    tagl++;

    free(container);
    container=(char *)malloc(tagl-1);
    strcpy(container,tag);

    free(tag);
    tag=(char *)malloc(tagl);
    strcpy(tag,container);
    tag[tagl-1]=c;
  }
}