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guri: Move IP-literal parsing out into a separate function

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This introduces no functional changes, but will make future changes to
the code a little cleaner.

Signed-off-by: Philip Withnall <pwithnall@endlessos.org>
This commit is contained in:
Philip Withnall 2020-09-30 17:45:19 +01:00
parent aa6aa0de42
commit 58fce4b92b
1 changed files with 65 additions and 33 deletions
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42
glib/guri.c
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@ -442,18 +442,29 @@ _uri_encoder (GString *out,
} }
} }
/* Parse the IP-literal construction from RFC 6874 (which extends RFC 3986 to
* support IPv6 zone identifiers.
*
* Rules:
*
* IP-literal = "[" ( IPv6address / IPvFuture ) "]"
*
* IP-literal = "[" ( IPv6address / IPv6addrz / IPvFuture ) "]"
*
* ZoneID = 1*( unreserved / pct-encoded )
*
* IPv6addrz = IPv6address "%25" ZoneID
*/
static gboolean static gboolean
parse_host (const gchar *start, parse_ip_literal (const gchar *start,
gsize length, gsize length,
GUriFlags flags, GUriFlags flags,
gchar **out, gchar **out,
GError **error) GError **error)
{ {
gchar *decoded, *host, *pct; gchar *pct;
gchar *addr = NULL; gchar *addr = NULL;
if (*start == '[')
{
if (start[length - 1] != ']') if (start[length - 1] != ']')
{ {
bad_ipv6_literal: bad_ipv6_literal:
@ -485,7 +496,28 @@ parse_host (const gchar *start,
memmove (pct + 1, pct + 3, strlen (pct + 3) + 1); memmove (pct + 1, pct + 3, strlen (pct + 3) + 1);
} }
host = addr; /* Success */
if (out != NULL)
*out = g_steal_pointer (&addr);
g_free (addr);
return TRUE;
}
static gboolean
parse_host (const gchar *start,
gsize length,
GUriFlags flags,
gchar **out,
GError **error)
{
gchar *decoded, *host;
gchar *addr = NULL;
if (*start == '[')
{
if (!parse_ip_literal (start, length, flags, &host, error))
return FALSE;
goto ok; goto ok;
} }