/* getdelim.c --- Implementation of replacement getdelim function.
- Copyright (C) 1994, 1996, 1997, 1998, 2001, 2003, 2005 Free
+ Copyright (C) 1994, 1996, 1997, 1998, 2001, 2003, 2005, 2006, 2007, 2008 Free
Software Foundation, Inc.
This program is free software; you can redistribute it and/or
/* Ported from glibc by Simon Josefsson. */
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
+#include <config.h>
-#include "getdelim.h"
+#include <stdio.h>
#include <limits.h>
#include <stdlib.h>
if (*lineptr == NULL || *n == 0)
{
+ char *new_lineptr;
*n = 120;
- *lineptr = (char *) malloc (*n);
- if (*lineptr == NULL)
+ new_lineptr = (char *) realloc (*lineptr, *n);
+ if (new_lineptr == NULL)
{
result = -1;
goto unlock_return;
}
+ *lineptr = new_lineptr;
}
for (;;)
if (cur_len + 1 >= needed)
{
result = -1;
+ errno = EOVERFLOW;
goto unlock_return;
}
result = cur_len ? cur_len : result;
unlock_return:
- funlockfile (fp);
+ funlockfile (fp); /* doesn't set errno */
+
return result;
}