Re: getline() replacement.

[Sergey Poznyakoff]

> Base on the input from Oliview and Jordi, a little dirty quickly done:

Great. It needs a little fix, however: getdelim() does not add the
terminal null when the input length equals exactly *n. The patch
is attached.

Regards,
Sergey

--- orig/getline.c      Mon Oct 14 21:03:34 2002
+++ getline.c   Mon Oct 14 22:39:31 2002
@@ -43,9 +43,6 @@ getdelim (char **lineptr, size_t *n, int
       *n = line_size;
     }
 
-  /* Clear the line.  */
-  memset (*lineptr, '\0', *n);
-
   while ((c = getc (stream)) != EOF)
     {
       /* Check if more memory is needed.  */
@@ -56,8 +53,6 @@ getdelim (char **lineptr, size_t *n, int
            {
              return -1;
            }
-         /* Clear the rest of the line.  */
-         memset(*lineptr + *n, '\0', line_size);
          *n += line_size;
        }
 
@@ -70,7 +65,17 @@ getdelim (char **lineptr, size_t *n, int
          break;
        }
     }
-  return (c == EOF) ? -1 : indx;
+
+  if (indx >= *n)
+    {
+      *lineptr = realloc (*lineptr, *n + line_size);
+      if (*lineptr == NULL)
+       return -1;
+      *n += line_size;
+    }
+  (*lineptr)[indx++] = 0;
+  
+  return (c == EOF) ? -1 : indx-1;
 }
 
 ssize_t