Adding qemu as a submodule of KVMFORNFV

This Patch includes the changes to add qemu as a submodule to
kvmfornfv repo and make use of the updated latest qemu for the
execution of all testcase
Change-Id: I1280af507a857675c7f81d30c95255635667bdd7
Signed-off-by:RajithaY<rajithax.yerrumsetty@intel.com>

1 files changed, 0 insertions, 2203 deletions

diff --git a/qemu/util/uri.c b/qemu/util/uri.c
deleted file mode 100644
index d109d6c01..000000000
--- a/qemu/util/uri.c
+++ /dev/null
@@ -1,2203 +0,0 @@
-/**
- * uri.c: set of generic URI related routines
- *
- * Reference: RFCs 3986, 2732 and 2373
- *
- * Copyright (C) 1998-2003 Daniel Veillard.  All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
- * DANIEL VEILLARD BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
- * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- * Except as contained in this notice, the name of Daniel Veillard shall not
- * be used in advertising or otherwise to promote the sale, use or other
- * dealings in this Software without prior written authorization from him.
- *
- * daniel@veillard.com
- *
- **
- *
- * Copyright (C) 2007, 2009-2010 Red Hat, Inc.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library 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
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307  USA
- *
- * Authors:
- *    Richard W.M. Jones <rjones@redhat.com>
- *
- */
-
-#include "qemu/osdep.h"
-#include <glib.h>
-
-#include "qemu/uri.h"
-
-static void uri_clean(URI *uri);
-
-/*
- * Old rule from 2396 used in legacy handling code
- * alpha    = lowalpha | upalpha
- */
-#define IS_ALPHA(x) (IS_LOWALPHA(x) || IS_UPALPHA(x))
-
-
-/*
- * lowalpha = "a" | "b" | "c" | "d" | "e" | "f" | "g" | "h" | "i" | "j" |
- *            "k" | "l" | "m" | "n" | "o" | "p" | "q" | "r" | "s" | "t" |
- *            "u" | "v" | "w" | "x" | "y" | "z"
- */
-
-#define IS_LOWALPHA(x) (((x) >= 'a') && ((x) <= 'z'))
-
-/*
- * upalpha = "A" | "B" | "C" | "D" | "E" | "F" | "G" | "H" | "I" | "J" |
- *           "K" | "L" | "M" | "N" | "O" | "P" | "Q" | "R" | "S" | "T" |
- *           "U" | "V" | "W" | "X" | "Y" | "Z"
- */
-#define IS_UPALPHA(x) (((x) >= 'A') && ((x) <= 'Z'))
-
-#ifdef IS_DIGIT
-#undef IS_DIGIT
-#endif
-/*
- * digit = "0" | "1" | "2" | "3" | "4" | "5" | "6" | "7" | "8" | "9"
- */
-#define IS_DIGIT(x) (((x) >= '0') && ((x) <= '9'))
-
-/*
- * alphanum = alpha | digit
- */
-
-#define IS_ALPHANUM(x) (IS_ALPHA(x) || IS_DIGIT(x))
-
-/*
- * mark = "-" | "_" | "." | "!" | "~" | "*" | "'" | "(" | ")"
- */
-
-#define IS_MARK(x) (((x) == '-') || ((x) == '_') || ((x) == '.') ||     \
-    ((x) == '!') || ((x) == '~') || ((x) == '*') || ((x) == '\'') ||    \
-    ((x) == '(') || ((x) == ')'))
-
-/*
- * unwise = "{" | "}" | "|" | "\" | "^" | "`"
- */
-
-#define IS_UNWISE(p)                                                    \
-      (((*(p) == '{')) || ((*(p) == '}')) || ((*(p) == '|')) ||         \
-       ((*(p) == '\\')) || ((*(p) == '^')) || ((*(p) == '[')) ||        \
-       ((*(p) == ']')) || ((*(p) == '`')))
-/*
- * reserved = ";" | "/" | "?" | ":" | "@" | "&" | "=" | "+" | "$" | "," |
- *            "[" | "]"
- */
-
-#define IS_RESERVED(x) (((x) == ';') || ((x) == '/') || ((x) == '?') || \
-        ((x) == ':') || ((x) == '@') || ((x) == '&') || ((x) == '=') || \
-        ((x) == '+') || ((x) == '$') || ((x) == ',') || ((x) == '[') || \
-        ((x) == ']'))
-
-/*
- * unreserved = alphanum | mark
- */
-
-#define IS_UNRESERVED(x) (IS_ALPHANUM(x) || IS_MARK(x))
-
-/*
- * Skip to next pointer char, handle escaped sequences
- */
-
-#define NEXT(p) ((*p == '%')? p += 3 : p++)
-
-/*
- * Productions from the spec.
- *
- *    authority     = server | reg_name
- *    reg_name      = 1*( unreserved | escaped | "$" | "," |
- *                        ";" | ":" | "@" | "&" | "=" | "+" )
- *
- * path          = [ abs_path | opaque_part ]
- */
-
-
-/************************************************************************
- *									*
- *                         RFC 3986 parser				*
- *									*
- ************************************************************************/
-
-#define ISA_DIGIT(p) ((*(p) >= '0') && (*(p) <= '9'))
-#define ISA_ALPHA(p) (((*(p) >= 'a') && (*(p) <= 'z')) ||		\
-                      ((*(p) >= 'A') && (*(p) <= 'Z')))
-#define ISA_HEXDIG(p)							\
-       (ISA_DIGIT(p) || ((*(p) >= 'a') && (*(p) <= 'f')) ||		\
-        ((*(p) >= 'A') && (*(p) <= 'F')))
-
-/*
- *    sub-delims    = "!" / "$" / "&" / "'" / "(" / ")"
- *                     / "*" / "+" / "," / ";" / "="
- */
-#define ISA_SUB_DELIM(p)						\
-      (((*(p) == '!')) || ((*(p) == '$')) || ((*(p) == '&')) ||		\
-       ((*(p) == '(')) || ((*(p) == ')')) || ((*(p) == '*')) ||		\
-       ((*(p) == '+')) || ((*(p) == ',')) || ((*(p) == ';')) ||		\
-       ((*(p) == '=')) || ((*(p) == '\'')))
-
-/*
- *    gen-delims    = ":" / "/" / "?" / "#" / "[" / "]" / "@"
- */
-#define ISA_GEN_DELIM(p)						\
-      (((*(p) == ':')) || ((*(p) == '/')) || ((*(p) == '?')) ||         \
-       ((*(p) == '#')) || ((*(p) == '[')) || ((*(p) == ']')) ||         \
-       ((*(p) == '@')))
-
-/*
- *    reserved      = gen-delims / sub-delims
- */
-#define ISA_RESERVED(p) (ISA_GEN_DELIM(p) || (ISA_SUB_DELIM(p)))
-
-/*
- *    unreserved    = ALPHA / DIGIT / "-" / "." / "_" / "~"
- */
-#define ISA_UNRESERVED(p)						\
-      ((ISA_ALPHA(p)) || (ISA_DIGIT(p)) || ((*(p) == '-')) ||		\
-       ((*(p) == '.')) || ((*(p) == '_')) || ((*(p) == '~')))
-
-/*
- *    pct-encoded   = "%" HEXDIG HEXDIG
- */
-#define ISA_PCT_ENCODED(p)						\
-     ((*(p) == '%') && (ISA_HEXDIG(p + 1)) && (ISA_HEXDIG(p + 2)))
-
-/*
- *    pchar         = unreserved / pct-encoded / sub-delims / ":" / "@"
- */
-#define ISA_PCHAR(p)							\
-     (ISA_UNRESERVED(p) || ISA_PCT_ENCODED(p) || ISA_SUB_DELIM(p) ||	\
-      ((*(p) == ':')) || ((*(p) == '@')))
-
-/**
- * rfc3986_parse_scheme:
- * @uri:  pointer to an URI structure
- * @str:  pointer to the string to analyze
- *
- * Parse an URI scheme
- *
- * ALPHA *( ALPHA / DIGIT / "+" / "-" / "." )
- *
- * Returns 0 or the error code
- */
-static int
-rfc3986_parse_scheme(URI *uri, const char **str) {
-    const char *cur;
-
-    if (str == NULL)
-	return(-1);
-
-    cur = *str;
-    if (!ISA_ALPHA(cur))
-	return(2);
-    cur++;
-    while (ISA_ALPHA(cur) || ISA_DIGIT(cur) ||
-           (*cur == '+') || (*cur == '-') || (*cur == '.')) cur++;
-    if (uri != NULL) {
-        g_free(uri->scheme);
-	uri->scheme = g_strndup(*str, cur - *str);
-    }
-    *str = cur;
-    return(0);
-}
-
-/**
- * rfc3986_parse_fragment:
- * @uri:  pointer to an URI structure
- * @str:  pointer to the string to analyze
- *
- * Parse the query part of an URI
- *
- * fragment      = *( pchar / "/" / "?" )
- * NOTE: the strict syntax as defined by 3986 does not allow '[' and ']'
- *       in the fragment identifier but this is used very broadly for
- *       xpointer scheme selection, so we are allowing it here to not break
- *       for example all the DocBook processing chains.
- *
- * Returns 0 or the error code
- */
-static int
-rfc3986_parse_fragment(URI *uri, const char **str)
-{
-    const char *cur;
-
-    if (str == NULL)
-        return (-1);
-
-    cur = *str;
-
-    while ((ISA_PCHAR(cur)) || (*cur == '/') || (*cur == '?') ||
-           (*cur == '[') || (*cur == ']') ||
-           ((uri != NULL) && (uri->cleanup & 1) && (IS_UNWISE(cur))))
-        NEXT(cur);
-    if (uri != NULL) {
-        g_free(uri->fragment);
-	if (uri->cleanup & 2)
-	    uri->fragment = g_strndup(*str, cur - *str);
-	else
-	    uri->fragment = uri_string_unescape(*str, cur - *str, NULL);
-    }
-    *str = cur;
-    return (0);
-}
-
-/**
- * rfc3986_parse_query:
- * @uri:  pointer to an URI structure
- * @str:  pointer to the string to analyze
- *
- * Parse the query part of an URI
- *
- * query = *uric
- *
- * Returns 0 or the error code
- */
-static int
-rfc3986_parse_query(URI *uri, const char **str)
-{
-    const char *cur;
-
-    if (str == NULL)
-        return (-1);
-
-    cur = *str;
-
-    while ((ISA_PCHAR(cur)) || (*cur == '/') || (*cur == '?') ||
-           ((uri != NULL) && (uri->cleanup & 1) && (IS_UNWISE(cur))))
-        NEXT(cur);
-    if (uri != NULL) {
-        g_free(uri->query);
-	uri->query = g_strndup (*str, cur - *str);
-    }
-    *str = cur;
-    return (0);
-}
-
-/**
- * rfc3986_parse_port:
- * @uri:  pointer to an URI structure
- * @str:  the string to analyze
- *
- * Parse a port  part and fills in the appropriate fields
- * of the @uri structure
- *
- * port          = *DIGIT
- *
- * Returns 0 or the error code
- */
-static int
-rfc3986_parse_port(URI *uri, const char **str)
-{
-    const char *cur = *str;
-    int port = 0;
-
-    if (ISA_DIGIT(cur)) {
-        while (ISA_DIGIT(cur)) {
-            port = port * 10 + (*cur - '0');
-            if (port > 65535) {
-                return 1;
-            }
-            cur++;
-        }
-        if (uri) {
-            uri->port = port;
-        }
-        *str = cur;
-        return 0;
-    }
-    return 1;
-}
-
-/**
- * rfc3986_parse_user_info:
- * @uri:  pointer to an URI structure
- * @str:  the string to analyze
- *
- * Parse an user informations part and fills in the appropriate fields
- * of the @uri structure
- *
- * userinfo      = *( unreserved / pct-encoded / sub-delims / ":" )
- *
- * Returns 0 or the error code
- */
-static int
-rfc3986_parse_user_info(URI *uri, const char **str)
-{
-    const char *cur;
-
-    cur = *str;
-    while (ISA_UNRESERVED(cur) || ISA_PCT_ENCODED(cur) ||
-           ISA_SUB_DELIM(cur) || (*cur == ':'))
-	NEXT(cur);
-    if (*cur == '@') {
-	if (uri != NULL) {
-            g_free(uri->user);
-	    if (uri->cleanup & 2)
-		uri->user = g_strndup(*str, cur - *str);
-	    else
-		uri->user = uri_string_unescape(*str, cur - *str, NULL);
-	}
-	*str = cur;
-	return(0);
-    }
-    return(1);
-}
-
-/**
- * rfc3986_parse_dec_octet:
- * @str:  the string to analyze
- *
- *    dec-octet     = DIGIT                 ; 0-9
- *                  / %x31-39 DIGIT         ; 10-99
- *                  / "1" 2DIGIT            ; 100-199
- *                  / "2" %x30-34 DIGIT     ; 200-249
- *                  / "25" %x30-35          ; 250-255
- *
- * Skip a dec-octet.
- *
- * Returns 0 if found and skipped, 1 otherwise
- */
-static int
-rfc3986_parse_dec_octet(const char **str) {
-    const char *cur = *str;
-
-    if (!(ISA_DIGIT(cur)))
-        return(1);
-    if (!ISA_DIGIT(cur+1))
-	cur++;
-    else if ((*cur != '0') && (ISA_DIGIT(cur + 1)) && (!ISA_DIGIT(cur+2)))
-	cur += 2;
-    else if ((*cur == '1') && (ISA_DIGIT(cur + 1)) && (ISA_DIGIT(cur + 2)))
-	cur += 3;
-    else if ((*cur == '2') && (*(cur + 1) >= '0') &&
-	     (*(cur + 1) <= '4') && (ISA_DIGIT(cur + 2)))
-	cur += 3;
-    else if ((*cur == '2') && (*(cur + 1) == '5') &&
-	     (*(cur + 2) >= '0') && (*(cur + 1) <= '5'))
-	cur += 3;
-    else
-        return(1);
-    *str = cur;
-    return(0);
-}
-/**
- * rfc3986_parse_host:
- * @uri:  pointer to an URI structure
- * @str:  the string to analyze
- *
- * Parse an host part and fills in the appropriate fields
- * of the @uri structure
- *
- * host          = IP-literal / IPv4address / reg-name
- * IP-literal    = "[" ( IPv6address / IPvFuture  ) "]"
- * IPv4address   = dec-octet "." dec-octet "." dec-octet "." dec-octet
- * reg-name      = *( unreserved / pct-encoded / sub-delims )
- *
- * Returns 0 or the error code
- */
-static int
-rfc3986_parse_host(URI *uri, const char **str)
-{
-    const char *cur = *str;
-    const char *host;
-
-    host = cur;
-    /*
-     * IPv6 and future addressing scheme are enclosed between brackets
-     */
-    if (*cur == '[') {
-        cur++;
-	while ((*cur != ']') && (*cur != 0))
-	    cur++;
-	if (*cur != ']')
-	    return(1);
-	cur++;
-	goto found;
-    }
-    /*
-     * try to parse an IPv4
-     */
-    if (ISA_DIGIT(cur)) {
-        if (rfc3986_parse_dec_octet(&cur) != 0)
-	    goto not_ipv4;
-	if (*cur != '.')
-	    goto not_ipv4;
-	cur++;
-        if (rfc3986_parse_dec_octet(&cur) != 0)
-	    goto not_ipv4;
-	if (*cur != '.')
-	    goto not_ipv4;
-        if (rfc3986_parse_dec_octet(&cur) != 0)
-	    goto not_ipv4;
-	if (*cur != '.')
-	    goto not_ipv4;
-        if (rfc3986_parse_dec_octet(&cur) != 0)
-	    goto not_ipv4;
-	goto found;
-not_ipv4:
-        cur = *str;
-    }
-    /*
-     * then this should be a hostname which can be empty
-     */
-    while (ISA_UNRESERVED(cur) || ISA_PCT_ENCODED(cur) || ISA_SUB_DELIM(cur))
-        NEXT(cur);
-found:
-    if (uri != NULL) {
-        g_free(uri->authority);
-	uri->authority = NULL;
-        g_free(uri->server);
-	if (cur != host) {
-	    if (uri->cleanup & 2)
-		uri->server = g_strndup(host, cur - host);
-	    else
-		uri->server = uri_string_unescape(host, cur - host, NULL);
-	} else
-	    uri->server = NULL;
-    }
-    *str = cur;
-    return(0);
-}
-
-/**
- * rfc3986_parse_authority:
- * @uri:  pointer to an URI structure
- * @str:  the string to analyze
- *
- * Parse an authority part and fills in the appropriate fields
- * of the @uri structure
- *
- * authority     = [ userinfo "@" ] host [ ":" port ]
- *
- * Returns 0 or the error code
- */
-static int
-rfc3986_parse_authority(URI *uri, const char **str)
-{
-    const char *cur;
-    int ret;
-
-    cur = *str;
-    /*
-     * try to parse an userinfo and check for the trailing @
-     */
-    ret = rfc3986_parse_user_info(uri, &cur);
-    if ((ret != 0) || (*cur != '@'))
-        cur = *str;
-    else
-        cur++;
-    ret = rfc3986_parse_host(uri, &cur);
-    if (ret != 0) return(ret);
-    if (*cur == ':') {
-        cur++;
-        ret = rfc3986_parse_port(uri, &cur);
-	if (ret != 0) return(ret);
-    }
-    *str = cur;
-    return(0);
-}
-
-/**
- * rfc3986_parse_segment:
- * @str:  the string to analyze
- * @forbid: an optional forbidden character
- * @empty: allow an empty segment
- *
- * Parse a segment and fills in the appropriate fields
- * of the @uri structure
- *
- * segment       = *pchar
- * segment-nz    = 1*pchar
- * segment-nz-nc = 1*( unreserved / pct-encoded / sub-delims / "@" )
- *               ; non-zero-length segment without any colon ":"
- *
- * Returns 0 or the error code
- */
-static int
-rfc3986_parse_segment(const char **str, char forbid, int empty)
-{
-    const char *cur;
-
-    cur = *str;
-    if (!ISA_PCHAR(cur)) {
-        if (empty)
-	    return(0);
-	return(1);
-    }
-    while (ISA_PCHAR(cur) && (*cur != forbid))
-        NEXT(cur);
-    *str = cur;
-    return (0);
-}
-
-/**
- * rfc3986_parse_path_ab_empty:
- * @uri:  pointer to an URI structure
- * @str:  the string to analyze
- *
- * Parse an path absolute or empty and fills in the appropriate fields
- * of the @uri structure
- *
- * path-abempty  = *( "/" segment )
- *
- * Returns 0 or the error code
- */
-static int
-rfc3986_parse_path_ab_empty(URI *uri, const char **str)
-{
-    const char *cur;
-    int ret;
-
-    cur = *str;
-
-    while (*cur == '/') {
-        cur++;
-	ret = rfc3986_parse_segment(&cur, 0, 1);
-	if (ret != 0) return(ret);
-    }
-    if (uri != NULL) {
-        g_free(uri->path);
-        if (*str != cur) {
-            if (uri->cleanup & 2)
-                uri->path = g_strndup(*str, cur - *str);
-            else
-                uri->path = uri_string_unescape(*str, cur - *str, NULL);
-        } else {
-            uri->path = NULL;
-        }
-    }
-    *str = cur;
-    return (0);
-}
-
-/**
- * rfc3986_parse_path_absolute:
- * @uri:  pointer to an URI structure
- * @str:  the string to analyze
- *
- * Parse an path absolute and fills in the appropriate fields
- * of the @uri structure
- *
- * path-absolute = "/" [ segment-nz *( "/" segment ) ]
- *
- * Returns 0 or the error code
- */
-static int
-rfc3986_parse_path_absolute(URI *uri, const char **str)
-{
-    const char *cur;
-    int ret;
-
-    cur = *str;
-
-    if (*cur != '/')
-        return(1);
-    cur++;
-    ret = rfc3986_parse_segment(&cur, 0, 0);
-    if (ret == 0) {
-	while (*cur == '/') {
-	    cur++;
-	    ret = rfc3986_parse_segment(&cur, 0, 1);
-	    if (ret != 0) return(ret);
-	}
-    }
-    if (uri != NULL) {
-        g_free(uri->path);
-        if (cur != *str) {
-            if (uri->cleanup & 2)
-                uri->path = g_strndup(*str, cur - *str);
-            else
-                uri->path = uri_string_unescape(*str, cur - *str, NULL);
-        } else {
-            uri->path = NULL;
-        }
-    }
-    *str = cur;
-    return (0);
-}
-
-/**
- * rfc3986_parse_path_rootless:
- * @uri:  pointer to an URI structure
- * @str:  the string to analyze
- *
- * Parse an path without root and fills in the appropriate fields
- * of the @uri structure
- *
- * path-rootless = segment-nz *( "/" segment )
- *
- * Returns 0 or the error code
- */
-static int
-rfc3986_parse_path_rootless(URI *uri, const char **str)
-{
-    const char *cur;
-    int ret;
-
-    cur = *str;
-
-    ret = rfc3986_parse_segment(&cur, 0, 0);
-    if (ret != 0) return(ret);
-    while (*cur == '/') {
-        cur++;
-	ret = rfc3986_parse_segment(&cur, 0, 1);
-	if (ret != 0) return(ret);
-    }
-    if (uri != NULL) {
-        g_free(uri->path);
-        if (cur != *str) {
-            if (uri->cleanup & 2)
-                uri->path = g_strndup(*str, cur - *str);
-            else
-                uri->path = uri_string_unescape(*str, cur - *str, NULL);
-        } else {
-            uri->path = NULL;
-        }
-    }
-    *str = cur;
-    return (0);
-}
-
-/**
- * rfc3986_parse_path_no_scheme:
- * @uri:  pointer to an URI structure
- * @str:  the string to analyze
- *
- * Parse an path which is not a scheme and fills in the appropriate fields
- * of the @uri structure
- *
- * path-noscheme = segment-nz-nc *( "/" segment )
- *
- * Returns 0 or the error code
- */
-static int
-rfc3986_parse_path_no_scheme(URI *uri, const char **str)
-{
-    const char *cur;
-    int ret;
-
-    cur = *str;
-
-    ret = rfc3986_parse_segment(&cur, ':', 0);
-    if (ret != 0) return(ret);
-    while (*cur == '/') {
-        cur++;
-	ret = rfc3986_parse_segment(&cur, 0, 1);
-	if (ret != 0) return(ret);
-    }
-    if (uri != NULL) {
-        g_free(uri->path);
-        if (cur != *str) {
-            if (uri->cleanup & 2)
-                uri->path = g_strndup(*str, cur - *str);
-            else
-                uri->path = uri_string_unescape(*str, cur - *str, NULL);
-        } else {
-            uri->path = NULL;
-        }
-    }
-    *str = cur;
-    return (0);
-}
-
-/**
- * rfc3986_parse_hier_part:
- * @uri:  pointer to an URI structure
- * @str:  the string to analyze
- *
- * Parse an hierarchical part and fills in the appropriate fields
- * of the @uri structure
- *
- * hier-part     = "//" authority path-abempty
- *                / path-absolute
- *                / path-rootless
- *                / path-empty
- *
- * Returns 0 or the error code
- */
-static int
-rfc3986_parse_hier_part(URI *uri, const char **str)
-{
-    const char *cur;
-    int ret;
-
-    cur = *str;
-
-    if ((*cur == '/') && (*(cur + 1) == '/')) {
-        cur += 2;
-	ret = rfc3986_parse_authority(uri, &cur);
-	if (ret != 0) return(ret);
-	ret = rfc3986_parse_path_ab_empty(uri, &cur);
-	if (ret != 0) return(ret);
-	*str = cur;
-	return(0);
-    } else if (*cur == '/') {
-        ret = rfc3986_parse_path_absolute(uri, &cur);
-	if (ret != 0) return(ret);
-    } else if (ISA_PCHAR(cur)) {
-        ret = rfc3986_parse_path_rootless(uri, &cur);
-	if (ret != 0) return(ret);
-    } else {
-	/* path-empty is effectively empty */
-	if (uri != NULL) {
-            g_free(uri->path);
-	    uri->path = NULL;
-	}
-    }
-    *str = cur;
-    return (0);
-}
-
-/**
- * rfc3986_parse_relative_ref:
- * @uri:  pointer to an URI structure
- * @str:  the string to analyze
- *
- * Parse an URI string and fills in the appropriate fields
- * of the @uri structure
- *
- * relative-ref  = relative-part [ "?" query ] [ "#" fragment ]
- * relative-part = "//" authority path-abempty
- *               / path-absolute
- *               / path-noscheme
- *               / path-empty
- *
- * Returns 0 or the error code
- */
-static int
-rfc3986_parse_relative_ref(URI *uri, const char *str) {
-    int ret;
-
-    if ((*str == '/') && (*(str + 1) == '/')) {
-        str += 2;
-	ret = rfc3986_parse_authority(uri, &str);
-	if (ret != 0) return(ret);
-	ret = rfc3986_parse_path_ab_empty(uri, &str);
-	if (ret != 0) return(ret);
-    } else if (*str == '/') {
-	ret = rfc3986_parse_path_absolute(uri, &str);
-	if (ret != 0) return(ret);
-    } else if (ISA_PCHAR(str)) {
-        ret = rfc3986_parse_path_no_scheme(uri, &str);
-	if (ret != 0) return(ret);
-    } else {
-	/* path-empty is effectively empty */
-	if (uri != NULL) {
-            g_free(uri->path);
-	    uri->path = NULL;
-	}
-    }
-
-    if (*str == '?') {
-	str++;
-	ret = rfc3986_parse_query(uri, &str);
-	if (ret != 0) return(ret);
-    }
-    if (*str == '#') {
-	str++;
-	ret = rfc3986_parse_fragment(uri, &str);
-	if (ret != 0) return(ret);
-    }
-    if (*str != 0) {
-	uri_clean(uri);
-	return(1);
-    }
-    return(0);
-}
-
-
-/**
- * rfc3986_parse:
- * @uri:  pointer to an URI structure
- * @str:  the string to analyze
- *
- * Parse an URI string and fills in the appropriate fields
- * of the @uri structure
- *
- * scheme ":" hier-part [ "?" query ] [ "#" fragment ]
- *
- * Returns 0 or the error code
- */
-static int
-rfc3986_parse(URI *uri, const char *str) {
-    int ret;
-
-    ret = rfc3986_parse_scheme(uri, &str);
-    if (ret != 0) return(ret);
-    if (*str != ':') {
-	return(1);
-    }
-    str++;
-    ret = rfc3986_parse_hier_part(uri, &str);
-    if (ret != 0) return(ret);
-    if (*str == '?') {
-	str++;
-	ret = rfc3986_parse_query(uri, &str);
-	if (ret != 0) return(ret);
-    }
-    if (*str == '#') {
-	str++;
-	ret = rfc3986_parse_fragment(uri, &str);
-	if (ret != 0) return(ret);
-    }
-    if (*str != 0) {
-	uri_clean(uri);
-	return(1);
-    }
-    return(0);
-}
-
-/**
- * rfc3986_parse_uri_reference:
- * @uri:  pointer to an URI structure
- * @str:  the string to analyze
- *
- * Parse an URI reference string and fills in the appropriate fields
- * of the @uri structure
- *
- * URI-reference = URI / relative-ref
- *
- * Returns 0 or the error code
- */
-static int
-rfc3986_parse_uri_reference(URI *uri, const char *str) {
-    int ret;
-
-    if (str == NULL)
-	return(-1);
-    uri_clean(uri);
-
-    /*
-     * Try first to parse absolute refs, then fallback to relative if
-     * it fails.
-     */
-    ret = rfc3986_parse(uri, str);
-    if (ret != 0) {
-	uri_clean(uri);
-        ret = rfc3986_parse_relative_ref(uri, str);
-	if (ret != 0) {
-	    uri_clean(uri);
-	    return(ret);
-	}
-    }
-    return(0);
-}
-
-/**
- * uri_parse:
- * @str:  the URI string to analyze
- *
- * Parse an URI based on RFC 3986
- *
- * URI-reference = [ absoluteURI | relativeURI ] [ "#" fragment ]
- *
- * Returns a newly built URI or NULL in case of error
- */
-URI *
-uri_parse(const char *str) {
-    URI *uri;
-    int ret;
-
-    if (str == NULL)
-	return(NULL);
-    uri = uri_new();
-    ret = rfc3986_parse_uri_reference(uri, str);
-    if (ret) {
-        uri_free(uri);
-        return(NULL);
-    }
-    return(uri);
-}
-
-/**
- * uri_parse_into:
- * @uri:  pointer to an URI structure
- * @str:  the string to analyze
- *
- * Parse an URI reference string based on RFC 3986 and fills in the
- * appropriate fields of the @uri structure
- *
- * URI-reference = URI / relative-ref
- *
- * Returns 0 or the error code
- */
-int
-uri_parse_into(URI *uri, const char *str) {
-    return(rfc3986_parse_uri_reference(uri, str));
-}
-
-/**
- * uri_parse_raw:
- * @str:  the URI string to analyze
- * @raw:  if 1 unescaping of URI pieces are disabled
- *
- * Parse an URI but allows to keep intact the original fragments.
- *
- * URI-reference = URI / relative-ref
- *
- * Returns a newly built URI or NULL in case of error
- */
-URI *
-uri_parse_raw(const char *str, int raw) {
-    URI *uri;
-    int ret;
-
-    if (str == NULL)
-	return(NULL);
-    uri = uri_new();
-    if (raw) {
-        uri->cleanup |= 2;
-    }
-    ret = uri_parse_into(uri, str);
-    if (ret) {
-        uri_free(uri);
-        return(NULL);
-    }
-    return(uri);
-}
-
-/************************************************************************
- *									*
- *			Generic URI structure functions			*
- *									*
- ************************************************************************/
-
-/**
- * uri_new:
- *
- * Simply creates an empty URI
- *
- * Returns the new structure or NULL in case of error
- */
-URI *
-uri_new(void) {
-    URI *ret;
-
-    ret = g_new0(URI, 1);
-    return(ret);
-}
-
-/**
- * realloc2n:
- *
- * Function to handle properly a reallocation when saving an URI
- * Also imposes some limit on the length of an URI string output
- */
-static char *
-realloc2n(char *ret, int *max) {
-    char *temp;
-    int tmp;
-
-    tmp = *max * 2;
-    temp = g_realloc(ret, (tmp + 1));
-    *max = tmp;
-    return(temp);
-}
-
-/**
- * uri_to_string:
- * @uri:  pointer to an URI
- *
- * Save the URI as an escaped string
- *
- * Returns a new string (to be deallocated by caller)
- */
-char *
-uri_to_string(URI *uri) {
-    char *ret = NULL;
-    char *temp;
-    const char *p;
-    int len;
-    int max;
-
-    if (uri == NULL) return(NULL);
-
-
-    max = 80;
-    ret = g_malloc(max + 1);
-    len = 0;
-
-    if (uri->scheme != NULL) {
-	p = uri->scheme;
-	while (*p != 0) {
-	    if (len >= max) {
-                temp = realloc2n(ret, &max);
-		ret = temp;
-	    }
-	    ret[len++] = *p++;
-	}
-	if (len >= max) {
-            temp = realloc2n(ret, &max);
-            ret = temp;
-	}
-	ret[len++] = ':';
-    }
-    if (uri->opaque != NULL) {
-	p = uri->opaque;
-	while (*p != 0) {
-	    if (len + 3 >= max) {
-                temp = realloc2n(ret, &max);
-                ret = temp;
-	    }
-	    if (IS_RESERVED(*(p)) || IS_UNRESERVED(*(p)))
-		ret[len++] = *p++;
-	    else {
-		int val = *(unsigned char *)p++;
-		int hi = val / 0x10, lo = val % 0x10;
-		ret[len++] = '%';
-		ret[len++] = hi + (hi > 9? 'A'-10 : '0');
-		ret[len++] = lo + (lo > 9? 'A'-10 : '0');
-	    }
-	}
-    } else {
-	if (uri->server != NULL) {
-	    if (len + 3 >= max) {
-                temp = realloc2n(ret, &max);
-                ret = temp;
-	    }
-	    ret[len++] = '/';
-	    ret[len++] = '/';
-	    if (uri->user != NULL) {
-		p = uri->user;
-		while (*p != 0) {
-		    if (len + 3 >= max) {
-                        temp = realloc2n(ret, &max);
-                        ret = temp;
-		    }
-		    if ((IS_UNRESERVED(*(p))) ||
-			((*(p) == ';')) || ((*(p) == ':')) ||
-			((*(p) == '&')) || ((*(p) == '=')) ||
-			((*(p) == '+')) || ((*(p) == '$')) ||
-			((*(p) == ',')))
-			ret[len++] = *p++;
-		    else {
-			int val = *(unsigned char *)p++;
-			int hi = val / 0x10, lo = val % 0x10;
-			ret[len++] = '%';
-			ret[len++] = hi + (hi > 9? 'A'-10 : '0');
-			ret[len++] = lo + (lo > 9? 'A'-10 : '0');
-		    }
-		}
-		if (len + 3 >= max) {
-                    temp = realloc2n(ret, &max);
-                    ret = temp;
-		}
-		ret[len++] = '@';
-	    }
-	    p = uri->server;
-	    while (*p != 0) {
-		if (len >= max) {
-                    temp = realloc2n(ret, &max);
-                    ret = temp;
-		}
-		ret[len++] = *p++;
-	    }
-	    if (uri->port > 0) {
-		if (len + 10 >= max) {
-                    temp = realloc2n(ret, &max);
-                    ret = temp;
-		}
-		len += snprintf(&ret[len], max - len, ":%d", uri->port);
-	    }
-	} else if (uri->authority != NULL) {
-	    if (len + 3 >= max) {
-                temp = realloc2n(ret, &max);
-                ret = temp;
-	    }
-	    ret[len++] = '/';
-	    ret[len++] = '/';
-	    p = uri->authority;
-	    while (*p != 0) {
-		if (len + 3 >= max) {
-                    temp = realloc2n(ret, &max);
-                    ret = temp;
-		}
-		if ((IS_UNRESERVED(*(p))) ||
-                    ((*(p) == '$')) || ((*(p) == ',')) || ((*(p) == ';')) ||
-                    ((*(p) == ':')) || ((*(p) == '@')) || ((*(p) == '&')) ||
-                    ((*(p) == '=')) || ((*(p) == '+')))
-		    ret[len++] = *p++;
-		else {
-		    int val = *(unsigned char *)p++;
-		    int hi = val / 0x10, lo = val % 0x10;
-		    ret[len++] = '%';
-		    ret[len++] = hi + (hi > 9? 'A'-10 : '0');
-		    ret[len++] = lo + (lo > 9? 'A'-10 : '0');
-		}
-	    }
-	} else if (uri->scheme != NULL) {
-	    if (len + 3 >= max) {
-                temp = realloc2n(ret, &max);
-                ret = temp;
-	    }
-	    ret[len++] = '/';
-	    ret[len++] = '/';
-	}
-	if (uri->path != NULL) {
-	    p = uri->path;
-	    /*
-	     * the colon in file:///d: should not be escaped or
-	     * Windows accesses fail later.
-	     */
-	    if ((uri->scheme != NULL) &&
-		(p[0] == '/') &&
-		(((p[1] >= 'a') && (p[1] <= 'z')) ||
-		 ((p[1] >= 'A') && (p[1] <= 'Z'))) &&
-		(p[2] == ':') &&
-	        (!strcmp(uri->scheme, "file"))) {
-		if (len + 3 >= max) {
-                    temp = realloc2n(ret, &max);
-                    ret = temp;
-		}
-		ret[len++] = *p++;
-		ret[len++] = *p++;
-		ret[len++] = *p++;
-	    }
-	    while (*p != 0) {
-		if (len + 3 >= max) {
-                    temp = realloc2n(ret, &max);
-                    ret = temp;
-		}
-		if ((IS_UNRESERVED(*(p))) || ((*(p) == '/')) ||
-                    ((*(p) == ';')) || ((*(p) == '@')) || ((*(p) == '&')) ||
-	            ((*(p) == '=')) || ((*(p) == '+')) || ((*(p) == '$')) ||
-	            ((*(p) == ',')))
-		    ret[len++] = *p++;
-		else {
-		    int val = *(unsigned char *)p++;
-		    int hi = val / 0x10, lo = val % 0x10;
-		    ret[len++] = '%';
-		    ret[len++] = hi + (hi > 9? 'A'-10 : '0');
-		    ret[len++] = lo + (lo > 9? 'A'-10 : '0');
-		}
-	    }
-	}
-	if (uri->query != NULL) {
-	    if (len + 1 >= max) {
-                temp = realloc2n(ret, &max);
-                ret = temp;
-	    }
-	    ret[len++] = '?';
-	    p = uri->query;
-	    while (*p != 0) {
-		if (len + 1 >= max) {
-                    temp = realloc2n(ret, &max);
-                    ret = temp;
-		}
-		ret[len++] = *p++;
-	    }
-	}
-    }
-    if (uri->fragment != NULL) {
-	if (len + 3 >= max) {
-            temp = realloc2n(ret, &max);
-            ret = temp;
-	}
-	ret[len++] = '#';
-	p = uri->fragment;
-	while (*p != 0) {
-	    if (len + 3 >= max) {
-                temp = realloc2n(ret, &max);
-                ret = temp;
-	    }
-	    if ((IS_UNRESERVED(*(p))) || (IS_RESERVED(*(p))))
-		ret[len++] = *p++;
-	    else {
-		int val = *(unsigned char *)p++;
-		int hi = val / 0x10, lo = val % 0x10;
-		ret[len++] = '%';
-		ret[len++] = hi + (hi > 9? 'A'-10 : '0');
-		ret[len++] = lo + (lo > 9? 'A'-10 : '0');
-	    }
-	}
-    }
-    if (len >= max) {
-        temp = realloc2n(ret, &max);
-        ret = temp;
-    }
-    ret[len] = 0;
-    return(ret);
-}
-
-/**
- * uri_clean:
- * @uri:  pointer to an URI
- *
- * Make sure the URI struct is free of content
- */
-static void
-uri_clean(URI *uri) {
-    if (uri == NULL) return;
-
-    g_free(uri->scheme);
-    uri->scheme = NULL;
-    g_free(uri->server);
-    uri->server = NULL;
-    g_free(uri->user);
-    uri->user = NULL;
-    g_free(uri->path);
-    uri->path = NULL;
-    g_free(uri->fragment);
-    uri->fragment = NULL;
-    g_free(uri->opaque);
-    uri->opaque = NULL;
-    g_free(uri->authority);
-    uri->authority = NULL;
-    g_free(uri->query);
-    uri->query = NULL;
-}
-
-/**
- * uri_free:
- * @uri:  pointer to an URI
- *
- * Free up the URI struct
- */
-void
-uri_free(URI *uri) {
-    uri_clean(uri);
-    g_free(uri);
-}
-
-/************************************************************************
- *									*
- *			Helper functions				*
- *									*
- ************************************************************************/
-
-/**
- * normalize_uri_path:
- * @path:  pointer to the path string
- *
- * Applies the 5 normalization steps to a path string--that is, RFC 2396
- * Section 5.2, steps 6.c through 6.g.
- *
- * Normalization occurs directly on the string, no new allocation is done
- *
- * Returns 0 or an error code
- */
-static int
-normalize_uri_path(char *path) {
-    char *cur, *out;
-
-    if (path == NULL)
-	return(-1);
-
-    /* Skip all initial "/" chars.  We want to get to the beginning of the
-     * first non-empty segment.
-     */
-    cur = path;
-    while (cur[0] == '/')
-      ++cur;
-    if (cur[0] == '\0')
-      return(0);
-
-    /* Keep everything we've seen so far.  */
-    out = cur;
-
-    /*
-     * Analyze each segment in sequence for cases (c) and (d).
-     */
-    while (cur[0] != '\0') {
-	/*
-	 * c) All occurrences of "./", where "." is a complete path segment,
-	 *    are removed from the buffer string.
-	 */
-	if ((cur[0] == '.') && (cur[1] == '/')) {
-	    cur += 2;
-	    /* '//' normalization should be done at this point too */
-	    while (cur[0] == '/')
-		cur++;
-	    continue;
-	}
-
-	/*
-	 * d) If the buffer string ends with "." as a complete path segment,
-	 *    that "." is removed.
-	 */
-	if ((cur[0] == '.') && (cur[1] == '\0'))
-	    break;
-
-	/* Otherwise keep the segment.  */
-	while (cur[0] != '/') {
-            if (cur[0] == '\0')
-              goto done_cd;
-	    (out++)[0] = (cur++)[0];
-	}
-	/* nomalize // */
-	while ((cur[0] == '/') && (cur[1] == '/'))
-	    cur++;
-
-        (out++)[0] = (cur++)[0];
-    }
- done_cd:
-    out[0] = '\0';
-
-    /* Reset to the beginning of the first segment for the next sequence.  */
-    cur = path;
-    while (cur[0] == '/')
-      ++cur;
-    if (cur[0] == '\0')
-	return(0);
-
-    /*
-     * Analyze each segment in sequence for cases (e) and (f).
-     *
-     * e) All occurrences of "<segment>/../", where <segment> is a
-     *    complete path segment not equal to "..", are removed from the
-     *    buffer string.  Removal of these path segments is performed
-     *    iteratively, removing the leftmost matching pattern on each
-     *    iteration, until no matching pattern remains.
-     *
-     * f) If the buffer string ends with "<segment>/..", where <segment>
-     *    is a complete path segment not equal to "..", that
-     *    "<segment>/.." is removed.
-     *
-     * To satisfy the "iterative" clause in (e), we need to collapse the
-     * string every time we find something that needs to be removed.  Thus,
-     * we don't need to keep two pointers into the string: we only need a
-     * "current position" pointer.
-     */
-    while (1) {
-        char *segp, *tmp;
-
-        /* At the beginning of each iteration of this loop, "cur" points to
-         * the first character of the segment we want to examine.
-         */
-
-        /* Find the end of the current segment.  */
-        segp = cur;
-        while ((segp[0] != '/') && (segp[0] != '\0'))
-          ++segp;
-
-        /* If this is the last segment, we're done (we need at least two
-         * segments to meet the criteria for the (e) and (f) cases).
-         */
-        if (segp[0] == '\0')
-          break;
-
-        /* If the first segment is "..", or if the next segment _isn't_ "..",
-         * keep this segment and try the next one.
-         */
-        ++segp;
-        if (((cur[0] == '.') && (cur[1] == '.') && (segp == cur+3))
-            || ((segp[0] != '.') || (segp[1] != '.')
-                || ((segp[2] != '/') && (segp[2] != '\0')))) {
-          cur = segp;
-          continue;
-        }
-
-        /* If we get here, remove this segment and the next one and back up
-         * to the previous segment (if there is one), to implement the
-         * "iteratively" clause.  It's pretty much impossible to back up
-         * while maintaining two pointers into the buffer, so just compact
-         * the whole buffer now.
-         */
-
-        /* If this is the end of the buffer, we're done.  */
-        if (segp[2] == '\0') {
-          cur[0] = '\0';
-          break;
-        }
-        /* Valgrind complained, strcpy(cur, segp + 3); */
-        /* string will overlap, do not use strcpy */
-        tmp = cur;
-        segp += 3;
-        while ((*tmp++ = *segp++) != 0)
-          ;
-
-        /* If there are no previous segments, then keep going from here.  */
-        segp = cur;
-        while ((segp > path) && ((--segp)[0] == '/'))
-          ;
-        if (segp == path)
-          continue;
-
-        /* "segp" is pointing to the end of a previous segment; find it's
-         * start.  We need to back up to the previous segment and start
-         * over with that to handle things like "foo/bar/../..".  If we
-         * don't do this, then on the first pass we'll remove the "bar/..",
-         * but be pointing at the second ".." so we won't realize we can also
-         * remove the "foo/..".
-         */
-        cur = segp;
-        while ((cur > path) && (cur[-1] != '/'))
-          --cur;
-    }
-    out[0] = '\0';
-
-    /*
-     * g) If the resulting buffer string still begins with one or more
-     *    complete path segments of "..", then the reference is
-     *    considered to be in error. Implementations may handle this
-     *    error by retaining these components in the resolved path (i.e.,
-     *    treating them as part of the final URI), by removing them from
-     *    the resolved path (i.e., discarding relative levels above the
-     *    root), or by avoiding traversal of the reference.
-     *
-     * We discard them from the final path.
-     */
-    if (path[0] == '/') {
-      cur = path;
-      while ((cur[0] == '/') && (cur[1] == '.') && (cur[2] == '.')
-             && ((cur[3] == '/') || (cur[3] == '\0')))
-	cur += 3;
-
-      if (cur != path) {
-	out = path;
-	while (cur[0] != '\0')
-          (out++)[0] = (cur++)[0];
-	out[0] = 0;
-      }
-    }
-
-    return(0);
-}
-
-static int is_hex(char c) {
-    if (((c >= '0') && (c <= '9')) ||
-        ((c >= 'a') && (c <= 'f')) ||
-        ((c >= 'A') && (c <= 'F')))
-	return(1);
-    return(0);
-}
-
-
-/**
- * uri_string_unescape:
- * @str:  the string to unescape
- * @len:   the length in bytes to unescape (or <= 0 to indicate full string)
- * @target:  optional destination buffer
- *
- * Unescaping routine, but does not check that the string is an URI. The
- * output is a direct unsigned char translation of %XX values (no encoding)
- * Note that the length of the result can only be smaller or same size as
- * the input string.
- *
- * Returns a copy of the string, but unescaped, will return NULL only in case
- * of error
- */
-char *
-uri_string_unescape(const char *str, int len, char *target) {
-    char *ret, *out;
-    const char *in;
-
-    if (str == NULL)
-	return(NULL);
-    if (len <= 0) len = strlen(str);
-    if (len < 0) return(NULL);
-
-    if (target == NULL) {
-	ret = g_malloc(len + 1);
-    } else
-	ret = target;
-    in = str;
-    out = ret;
-    while(len > 0) {
-	if ((len > 2) && (*in == '%') && (is_hex(in[1])) && (is_hex(in[2]))) {
-	    in++;
-	    if ((*in >= '0') && (*in <= '9'))
-	        *out = (*in - '0');
-	    else if ((*in >= 'a') && (*in <= 'f'))
-	        *out = (*in - 'a') + 10;
-	    else if ((*in >= 'A') && (*in <= 'F'))
-	        *out = (*in - 'A') + 10;
-	    in++;
-	    if ((*in >= '0') && (*in <= '9'))
-	        *out = *out * 16 + (*in - '0');
-	    else if ((*in >= 'a') && (*in <= 'f'))
-	        *out = *out * 16 + (*in - 'a') + 10;
-	    else if ((*in >= 'A') && (*in <= 'F'))
-	        *out = *out * 16 + (*in - 'A') + 10;
-	    in++;
-	    len -= 3;
-	    out++;
-	} else {
-	    *out++ = *in++;
-	    len--;
-	}
-    }
-    *out = 0;
-    return(ret);
-}
-
-/**
- * uri_string_escape:
- * @str:  string to escape
- * @list: exception list string of chars not to escape
- *
- * This routine escapes a string to hex, ignoring reserved characters (a-z)
- * and the characters in the exception list.
- *
- * Returns a new escaped string or NULL in case of error.
- */
-char *
-uri_string_escape(const char *str, const char *list) {
-    char *ret, ch;
-    char *temp;
-    const char *in;
-    int len, out;
-
-    if (str == NULL)
-	return(NULL);
-    if (str[0] == 0)
-	return(g_strdup(str));
-    len = strlen(str);
-    if (!(len > 0)) return(NULL);
-
-    len += 20;
-    ret = g_malloc(len);
-    in = str;
-    out = 0;
-    while(*in != 0) {
-	if (len - out <= 3) {
-            temp = realloc2n(ret, &len);
-	    ret = temp;
-	}
-
-	ch = *in;
-
-	if ((ch != '@') && (!IS_UNRESERVED(ch)) && (!strchr(list, ch))) {
-	    unsigned char val;
-	    ret[out++] = '%';
-	    val = ch >> 4;
-	    if (val <= 9)
-		ret[out++] = '0' + val;
-	    else
-		ret[out++] = 'A' + val - 0xA;
-	    val = ch & 0xF;
-	    if (val <= 9)
-		ret[out++] = '0' + val;
-	    else
-		ret[out++] = 'A' + val - 0xA;
-	    in++;
-	} else {
-	    ret[out++] = *in++;
-	}
-
-    }
-    ret[out] = 0;
-    return(ret);
-}
-
-/************************************************************************
- *									*
- *			Public functions				*
- *									*
- ************************************************************************/
-
-/**
- * uri_resolve:
- * @URI:  the URI instance found in the document
- * @base:  the base value
- *
- * Computes he final URI of the reference done by checking that
- * the given URI is valid, and building the final URI using the
- * base URI. This is processed according to section 5.2 of the
- * RFC 2396
- *
- * 5.2. Resolving Relative References to Absolute Form
- *
- * Returns a new URI string (to be freed by the caller) or NULL in case
- *         of error.
- */
-char *
-uri_resolve(const char *uri, const char *base) {
-    char *val = NULL;
-    int ret, len, indx, cur, out;
-    URI *ref = NULL;
-    URI *bas = NULL;
-    URI *res = NULL;
-
-    /*
-     * 1) The URI reference is parsed into the potential four components and
-     *    fragment identifier, as described in Section 4.3.
-     *
-     *    NOTE that a completely empty URI is treated by modern browsers
-     *    as a reference to "." rather than as a synonym for the current
-     *    URI.  Should we do that here?
-     */
-    if (uri == NULL)
-	ret = -1;
-    else {
-	if (*uri) {
-	    ref = uri_new();
-	    ret = uri_parse_into(ref, uri);
-	}
-	else
-	    ret = 0;
-    }
-    if (ret != 0)
-	goto done;
-    if ((ref != NULL) && (ref->scheme != NULL)) {
-	/*
-	 * The URI is absolute don't modify.
-	 */
-	val = g_strdup(uri);
-	goto done;
-    }
-    if (base == NULL)
-	ret = -1;
-    else {
-	bas = uri_new();
-	ret = uri_parse_into(bas, base);
-    }
-    if (ret != 0) {
-	if (ref)
-	    val = uri_to_string(ref);
-	goto done;
-    }
-    if (ref == NULL) {
-	/*
-	 * the base fragment must be ignored
-	 */
-        g_free(bas->fragment);
-        bas->fragment = NULL;
-	val = uri_to_string(bas);
-	goto done;
-    }
-
-    /*
-     * 2) If the path component is empty and the scheme, authority, and
-     *    query components are undefined, then it is a reference to the
-     *    current document and we are done.  Otherwise, the reference URI's
-     *    query and fragment components are defined as found (or not found)
-     *    within the URI reference and not inherited from the base URI.
-     *
-     *    NOTE that in modern browsers, the parsing differs from the above
-     *    in the following aspect:  the query component is allowed to be
-     *    defined while still treating this as a reference to the current
-     *    document.
-     */
-    res = uri_new();
-    if ((ref->scheme == NULL) && (ref->path == NULL) &&
-	((ref->authority == NULL) && (ref->server == NULL))) {
-        res->scheme = g_strdup(bas->scheme);
-	if (bas->authority != NULL)
-	    res->authority = g_strdup(bas->authority);
-	else if (bas->server != NULL) {
-            res->server = g_strdup(bas->server);
-            res->user = g_strdup(bas->user);
-            res->port = bas->port;
-	}
-        res->path = g_strdup(bas->path);
-        if (ref->query != NULL) {
-	    res->query = g_strdup (ref->query);
-        } else {
-            res->query = g_strdup(bas->query);
-        }
-        res->fragment = g_strdup(ref->fragment);
-	goto step_7;
-    }
-
-    /*
-     * 3) If the scheme component is defined, indicating that the reference
-     *    starts with a scheme name, then the reference is interpreted as an
-     *    absolute URI and we are done.  Otherwise, the reference URI's
-     *    scheme is inherited from the base URI's scheme component.
-     */
-    if (ref->scheme != NULL) {
-	val = uri_to_string(ref);
-	goto done;
-    }
-    res->scheme = g_strdup(bas->scheme);
-
-    res->query = g_strdup(ref->query);
-    res->fragment = g_strdup(ref->fragment);
-
-    /*
-     * 4) If the authority component is defined, then the reference is a
-     *    network-path and we skip to step 7.  Otherwise, the reference
-     *    URI's authority is inherited from the base URI's authority
-     *    component, which will also be undefined if the URI scheme does not
-     *    use an authority component.
-     */
-    if ((ref->authority != NULL) || (ref->server != NULL)) {
-	if (ref->authority != NULL)
-	    res->authority = g_strdup(ref->authority);
-	else {
-	    res->server = g_strdup(ref->server);
-            res->user = g_strdup(ref->user);
-            res->port = ref->port;
-	}
-        res->path = g_strdup(ref->path);
-	goto step_7;
-    }
-    if (bas->authority != NULL)
-	res->authority = g_strdup(bas->authority);
-    else if (bas->server != NULL) {
-        res->server = g_strdup(bas->server);
-        res->user = g_strdup(bas->user);
-	res->port = bas->port;
-    }
-
-    /*
-     * 5) If the path component begins with a slash character ("/"), then
-     *    the reference is an absolute-path and we skip to step 7.
-     */
-    if ((ref->path != NULL) && (ref->path[0] == '/')) {
-	res->path = g_strdup(ref->path);
-	goto step_7;
-    }
-
-
-    /*
-     * 6) If this step is reached, then we are resolving a relative-path
-     *    reference.  The relative path needs to be merged with the base
-     *    URI's path.  Although there are many ways to do this, we will
-     *    describe a simple method using a separate string buffer.
-     *
-     * Allocate a buffer large enough for the result string.
-     */
-    len = 2; /* extra / and 0 */
-    if (ref->path != NULL)
-	len += strlen(ref->path);
-    if (bas->path != NULL)
-	len += strlen(bas->path);
-    res->path = g_malloc(len);
-    res->path[0] = 0;
-
-    /*
-     * a) All but the last segment of the base URI's path component is
-     *    copied to the buffer.  In other words, any characters after the
-     *    last (right-most) slash character, if any, are excluded.
-     */
-    cur = 0;
-    out = 0;
-    if (bas->path != NULL) {
-	while (bas->path[cur] != 0) {
-	    while ((bas->path[cur] != 0) && (bas->path[cur] != '/'))
-		cur++;
-	    if (bas->path[cur] == 0)
-		break;
-
-	    cur++;
-	    while (out < cur) {
-		res->path[out] = bas->path[out];
-		out++;
-	    }
-	}
-    }
-    res->path[out] = 0;
-
-    /*
-     * b) The reference's path component is appended to the buffer
-     *    string.
-     */
-    if (ref->path != NULL && ref->path[0] != 0) {
-	indx = 0;
-	/*
-	 * Ensure the path includes a '/'
-	 */
-	if ((out == 0) && (bas->server != NULL))
-	    res->path[out++] = '/';
-	while (ref->path[indx] != 0) {
-	    res->path[out++] = ref->path[indx++];
-	}
-    }
-    res->path[out] = 0;
-
-    /*
-     * Steps c) to h) are really path normalization steps
-     */
-    normalize_uri_path(res->path);
-
-step_7:
-
-    /*
-     * 7) The resulting URI components, including any inherited from the
-     *    base URI, are recombined to give the absolute form of the URI
-     *    reference.
-     */
-    val = uri_to_string(res);
-
-done:
-    if (ref != NULL)
-	uri_free(ref);
-    if (bas != NULL)
-	uri_free(bas);
-    if (res != NULL)
-	uri_free(res);
-    return(val);
-}
-
-/**
- * uri_resolve_relative:
- * @URI:  the URI reference under consideration
- * @base:  the base value
- *
- * Expresses the URI of the reference in terms relative to the
- * base.  Some examples of this operation include:
- *     base = "http://site1.com/docs/book1.html"
- *        URI input                        URI returned
- *     docs/pic1.gif                    pic1.gif
- *     docs/img/pic1.gif                img/pic1.gif
- *     img/pic1.gif                     ../img/pic1.gif
- *     http://site1.com/docs/pic1.gif   pic1.gif
- *     http://site2.com/docs/pic1.gif   http://site2.com/docs/pic1.gif
- *
- *     base = "docs/book1.html"
- *        URI input                        URI returned
- *     docs/pic1.gif                    pic1.gif
- *     docs/img/pic1.gif                img/pic1.gif
- *     img/pic1.gif                     ../img/pic1.gif
- *     http://site1.com/docs/pic1.gif   http://site1.com/docs/pic1.gif
- *
- *
- * Note: if the URI reference is really weird or complicated, it may be
- *       worthwhile to first convert it into a "nice" one by calling
- *       uri_resolve (using 'base') before calling this routine,
- *       since this routine (for reasonable efficiency) assumes URI has
- *       already been through some validation.
- *
- * Returns a new URI string (to be freed by the caller) or NULL in case
- * error.
- */
-char *
-uri_resolve_relative (const char *uri, const char * base)
-{
-    char *val = NULL;
-    int ret;
-    int ix;
-    int pos = 0;
-    int nbslash = 0;
-    int len;
-    URI *ref = NULL;
-    URI *bas = NULL;
-    char *bptr, *uptr, *vptr;
-    int remove_path = 0;
-
-    if ((uri == NULL) || (*uri == 0))
-	return NULL;
-
-    /*
-     * First parse URI into a standard form
-     */
-    ref = uri_new ();
-    /* If URI not already in "relative" form */
-    if (uri[0] != '.') {
-	ret = uri_parse_into (ref, uri);
-	if (ret != 0)
-	    goto done;		/* Error in URI, return NULL */
-    } else
-	ref->path = g_strdup(uri);
-
-    /*
-     * Next parse base into the same standard form
-     */
-    if ((base == NULL) || (*base == 0)) {
-	val = g_strdup (uri);
-	goto done;
-    }
-    bas = uri_new ();
-    if (base[0] != '.') {
-	ret = uri_parse_into (bas, base);
-	if (ret != 0)
-	    goto done;		/* Error in base, return NULL */
-    } else
-	bas->path = g_strdup(base);
-
-    /*
-     * If the scheme / server on the URI differs from the base,
-     * just return the URI
-     */
-    if ((ref->scheme != NULL) &&
-	((bas->scheme == NULL) ||
-	 (strcmp (bas->scheme, ref->scheme)) ||
-	 (strcmp (bas->server, ref->server)))) {
-	val = g_strdup (uri);
-	goto done;
-    }
-    if (bas->path == ref->path ||
-        (bas->path && ref->path && !strcmp(bas->path, ref->path))) {
-	val = g_strdup("");
-	goto done;
-    }
-    if (bas->path == NULL) {
-	val = g_strdup(ref->path);
-	goto done;
-    }
-    if (ref->path == NULL) {
-        ref->path = (char *) "/";
-	remove_path = 1;
-    }
-
-    /*
-     * At this point (at last!) we can compare the two paths
-     *
-     * First we take care of the special case where either of the
-     * two path components may be missing (bug 316224)
-     */
-    if (bas->path == NULL) {
-	if (ref->path != NULL) {
-	    uptr = ref->path;
-	    if (*uptr == '/')
-		uptr++;
-	    /* exception characters from uri_to_string */
-	    val = uri_string_escape(uptr, "/;&=+$,");
-	}
-	goto done;
-    }
-    bptr = bas->path;
-    if (ref->path == NULL) {
-	for (ix = 0; bptr[ix] != 0; ix++) {
-	    if (bptr[ix] == '/')
-		nbslash++;
-	}
-	uptr = NULL;
-	len = 1;	/* this is for a string terminator only */
-    } else {
-    /*
-     * Next we compare the two strings and find where they first differ
-     */
-	if ((ref->path[pos] == '.') && (ref->path[pos+1] == '/'))
-            pos += 2;
-	if ((*bptr == '.') && (bptr[1] == '/'))
-            bptr += 2;
-	else if ((*bptr == '/') && (ref->path[pos] != '/'))
-	    bptr++;
-	while ((bptr[pos] == ref->path[pos]) && (bptr[pos] != 0))
-	    pos++;
-
-	if (bptr[pos] == ref->path[pos]) {
-	    val = g_strdup("");
-	    goto done;		/* (I can't imagine why anyone would do this) */
-	}
-
-	/*
-	 * In URI, "back up" to the last '/' encountered.  This will be the
-	 * beginning of the "unique" suffix of URI
-	 */
-	ix = pos;
-	if ((ref->path[ix] == '/') && (ix > 0))
-	    ix--;
-	else if ((ref->path[ix] == 0) && (ix > 1) && (ref->path[ix - 1] == '/'))
-	    ix -= 2;
-	for (; ix > 0; ix--) {
-	    if (ref->path[ix] == '/')
-		break;
-	}
-	if (ix == 0) {
-	    uptr = ref->path;
-	} else {
-	    ix++;
-	    uptr = &ref->path[ix];
-	}
-
-	/*
-	 * In base, count the number of '/' from the differing point
-	 */
-	if (bptr[pos] != ref->path[pos]) {/* check for trivial URI == base */
-	    for (; bptr[ix] != 0; ix++) {
-		if (bptr[ix] == '/')
-		    nbslash++;
-	    }
-	}
-	len = strlen (uptr) + 1;
-    }
-
-    if (nbslash == 0) {
-	if (uptr != NULL)
-	    /* exception characters from uri_to_string */
-	    val = uri_string_escape(uptr, "/;&=+$,");
-	goto done;
-    }
-
-    /*
-     * Allocate just enough space for the returned string -
-     * length of the remainder of the URI, plus enough space
-     * for the "../" groups, plus one for the terminator
-     */
-    val = g_malloc (len + 3 * nbslash);
-    vptr = val;
-    /*
-     * Put in as many "../" as needed
-     */
-    for (; nbslash>0; nbslash--) {
-	*vptr++ = '.';
-	*vptr++ = '.';
-	*vptr++ = '/';
-    }
-    /*
-     * Finish up with the end of the URI
-     */
-    if (uptr != NULL) {
-        if ((vptr > val) && (len > 0) &&
-	    (uptr[0] == '/') && (vptr[-1] == '/')) {
-	    memcpy (vptr, uptr + 1, len - 1);
-	    vptr[len - 2] = 0;
-	} else {
-	    memcpy (vptr, uptr, len);
-	    vptr[len - 1] = 0;
-	}
-    } else {
-	vptr[len - 1] = 0;
-    }
-
-    /* escape the freshly-built path */
-    vptr = val;
-	/* exception characters from uri_to_string */
-    val = uri_string_escape(vptr, "/;&=+$,");
-    g_free(vptr);
-
-done:
-    /*
-     * Free the working variables
-     */
-    if (remove_path != 0)
-        ref->path = NULL;
-    if (ref != NULL)
-	uri_free (ref);
-    if (bas != NULL)
-	uri_free (bas);
-
-    return val;
-}
-
-/*
- * Utility functions to help parse and assemble query strings.
- */
-
-struct QueryParams *
-query_params_new (int init_alloc)
-{
-    struct QueryParams *ps;
-
-    if (init_alloc <= 0) init_alloc = 1;
-
-    ps = g_new(QueryParams, 1);
-    ps->n = 0;
-    ps->alloc = init_alloc;
-    ps->p = g_new(QueryParam, ps->alloc);
-
-    return ps;
-}
-
-/* Ensure there is space to store at least one more parameter
- * at the end of the set.
- */
-static int
-query_params_append (struct QueryParams *ps,
-               const char *name, const char *value)
-{
-    if (ps->n >= ps->alloc) {
-        ps->p = g_renew(QueryParam, ps->p, ps->alloc * 2);
-        ps->alloc *= 2;
-    }
-
-    ps->p[ps->n].name = g_strdup(name);
-    ps->p[ps->n].value = g_strdup(value);
-    ps->p[ps->n].ignore = 0;
-    ps->n++;
-
-    return 0;
-}
-
-void
-query_params_free (struct QueryParams *ps)
-{
-    int i;
-
-    for (i = 0; i < ps->n; ++i) {
-        g_free (ps->p[i].name);
-        g_free (ps->p[i].value);
-    }
-    g_free (ps->p);
-    g_free (ps);
-}
-
-struct QueryParams *
-query_params_parse (const char *query)
-{
-    struct QueryParams *ps;
-    const char *end, *eq;
-
-    ps = query_params_new (0);
-    if (!query || query[0] == '\0') return ps;
-
-    while (*query) {
-        char *name = NULL, *value = NULL;
-
-        /* Find the next separator, or end of the string. */
-        end = strchr (query, '&');
-        if (!end)
-            end = strchr (query, ';');
-        if (!end)
-            end = query + strlen (query);
-
-        /* Find the first '=' character between here and end. */
-        eq = strchr (query, '=');
-        if (eq && eq >= end) eq = NULL;
-
-        /* Empty section (eg. "&&"). */
-        if (end == query)
-            goto next;
-
-        /* If there is no '=' character, then we have just "name"
-         * and consistent with CGI.pm we assume value is "".
-         */
-        else if (!eq) {
-            name = uri_string_unescape (query, end - query, NULL);
-            value = NULL;
-        }
-        /* Or if we have "name=" here (works around annoying
-         * problem when calling uri_string_unescape with len = 0).
-         */
-        else if (eq+1 == end) {
-            name = uri_string_unescape (query, eq - query, NULL);
-            value = g_new0(char, 1);
-        }
-        /* If the '=' character is at the beginning then we have
-         * "=value" and consistent with CGI.pm we _ignore_ this.
-         */
-        else if (query == eq)
-            goto next;
-
-        /* Otherwise it's "name=value". */
-        else {
-            name = uri_string_unescape (query, eq - query, NULL);
-            value = uri_string_unescape (eq+1, end - (eq+1), NULL);
-        }
-
-        /* Append to the parameter set. */
-        query_params_append (ps, name, value);
-        g_free(name);
-        g_free(value);
-
-    next:
-        query = end;
-        if (*query) query ++; /* skip '&' separator */
-    }
-
-    return ps;
-}