From: Junio C Hamano <gitster@pobox.com>
To: Kevin Daudt <me@ikke.info>
Cc: git@vger.kernel.org, Swift Geek <swiftgeek@gmail.com>,
Jeff King <peff@peff.net>
Subject: Re: [PATCH v2 2/2] mailinfo: unescape quoted-pair in header fields
Date: Mon, 19 Sep 2016 14:24:18 -0700 [thread overview]
Message-ID: <xmqqvaxrd1ml.fsf@gitster.mtv.corp.google.com> (raw)
In-Reply-To: <20160919185440.18234-3-me@ikke.info> (Kevin Daudt's message of "Mon, 19 Sep 2016 20:54:40 +0200")
Kevin Daudt <me@ikke.info> writes:
> +static void unquote_quoted_string(struct strbuf *line)
> +{
> + const char *in = strbuf_detach(line, NULL);
> + int c, take_next_literally = 0;
> + int found_error = 0;
> +
> + /*
> + * Stores the character that started the escape mode so that we know what
> + * character will stop it
> + */
> + char escape_context = 0;
> +
> + while ((c = *in++) != 0) {
> + if (take_next_literally) {
> + take_next_literally = 0;
> + } else {
> + switch (c) {
> + case '"':
> + if (!escape_context)
> + escape_context = '"';
> + else if (escape_context == '"')
> + escape_context = 0;
> + continue;
> + case '\\':
> + if (escape_context) {
> + take_next_literally = 1;
> + continue;
> + }
> + break;
> + case '(':
> + if (!escape_context)
> + escape_context = '(';
> + break;
> + case ')':
> + if (escape_context == '(')
> + escape_context = 0;
> + break;
> + }
> + }
> +
> + strbuf_addch(line, c);
> + }
> +}
The additional comment makes it very clear what is going on.
Is it an event unusual enough that is worth warning() about if we
have either take_next_literally or escape_context set to non-NUL
upon leaving the loop, I wonder?
Will queue. Thanks.
next prev parent reply other threads:[~2016-09-19 21:24 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-16 21:02 [PATCH] mailinfo: unescape quoted-pair in header fields Kevin Daudt
2016-09-16 22:22 ` Jeff King
2016-09-19 10:51 ` Kevin Daudt
2016-09-20 3:57 ` Jeff King
2016-09-21 16:07 ` Junio C Hamano
2016-09-19 18:54 ` [PATCH v2 0/2] Handle escape characters in From field Kevin Daudt
2016-09-25 21:08 ` [PATCH v3 1/2] t5100-mailinfo: replace common path prefix with variable Kevin Daudt
2016-09-25 21:08 ` [PATCH v3 2/2] mailinfo: unescape quoted-pair in header fields Kevin Daudt
2016-09-26 19:11 ` Junio C Hamano
2016-09-26 19:26 ` Junio C Hamano
2016-09-26 19:44 ` Kevin Daudt
2016-09-26 22:23 ` Junio C Hamano
2016-09-27 10:26 ` Kevin Daudt
2016-09-26 19:06 ` [PATCH v3 1/2] t5100-mailinfo: replace common path prefix with variable Junio C Hamano
2016-09-28 19:49 ` [PATCH v4 0/2] Handle RFC2822 quoted-pairs in From header Kevin Daudt
2016-09-28 19:52 ` [PATCH v4 1/2] t5100-mailinfo: replace common path prefix with variable Kevin Daudt
2016-09-28 20:21 ` Junio C Hamano
2016-09-28 20:27 ` Kevin Daudt
2016-09-28 19:52 ` [PATCH v4 2/2] mailinfo: unescape quoted-pair in header fields Kevin Daudt
2016-09-19 18:54 ` [PATCH v2 1/2] t5100-mailinfo: replace common path prefix with variable Kevin Daudt
2016-09-19 21:16 ` Junio C Hamano
2016-09-20 3:59 ` Jeff King
2016-09-19 18:54 ` [PATCH v2 2/2] mailinfo: unescape quoted-pair in header fields Kevin Daudt
2016-09-19 21:24 ` Junio C Hamano [this message]
2016-09-19 22:04 ` Junio C Hamano
2016-09-20 4:28 ` Jeff King
2016-09-21 11:09 ` Jeff King
2016-09-22 22:17 ` Junio C Hamano
2016-09-23 4:15 ` Jeff King
2016-09-25 20:17 ` Kevin Daudt
2016-09-25 22:38 ` Jakub Narębski
2016-09-26 5:02 ` Kevin Daudt
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