/* Generic support for headers.
Copyright (C) 1997, 1998 Free Software Foundation, Inc.
-This file is part of Wget.
+This file is part of GNU Wget.
-This program is free software; you can redistribute it and/or modify
+GNU Wget 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 2 of the License, or
(at your option) any later version.
-This program is distributed in the hope that it will be useful,
+GNU Wget 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, write to the Free Software
+along with Wget; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
#include <config.h>
as much memory as necessary for it to fit. It need not contain a
`:', thus you can use it to retrieve, say, HTTP status line.
- The trailing CRLF or LF are stripped from the header, and it is
- zero-terminated. #### Is this well-behaved? */
+ All trailing whitespace is stripped from the header, and it is
+ zero-terminated. */
int
header_get (struct rbuf *rbuf, char **hdr, enum header_get_flags flags)
{
if (next == '\t' || next == ' ')
continue;
}
- /* The header ends. */
+
+ /* Strip trailing whitespace. (*hdr)[i] is the newline;
+ decrement I until it points to the last available
+ whitespace. */
+ while (i > 0 && ISSPACE ((*hdr)[i - 1]))
+ --i;
(*hdr)[i] = '\0';
- /* Get rid of '\r'. */
- if (i > 0 && (*hdr)[i - 1] == '\r')
- (*hdr)[i - 1] = '\0';
break;
}
}
for (result = 0; ISDIGIT (*p); p++)
result = 10 * result + (*p - '0');
+
+ /* Failure if no number present. */
+ if (p == header)
+ return 0;
+
+ /* Skip trailing whitespace. */
+ p += skip_lws (p);
+
+ /* Indicate failure if trailing garbage is present. */
if (*p)
return 0;