From mboxrd@z Thu Jan 1 00:00:00 1970 From: Junio C Hamano Subject: [PATCH v4 07/21] update-index: there are only two possible line terminations Date: Thu, 14 Jan 2016 15:58:22 -0800 Message-ID: <1452815916-6447-8-git-send-email-gitster@pobox.com> References: <1452740590-16827-1-git-send-email-gitster@pobox.com> <1452815916-6447-1-git-send-email-gitster@pobox.com> Cc: Johannes Schindelin , Jeff King To: git@vger.kernel.org X-From: git-owner@vger.kernel.org Fri Jan 15 00:59:05 2016 Return-path: Envelope-to: gcvg-git-2@plane.gmane.org Received: from vger.kernel.org ([209.132.180.67]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1aJrnE-0003Jp-De for gcvg-git-2@plane.gmane.org; Fri, 15 Jan 2016 00:59:04 +0100 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932123AbcANX7A (ORCPT ); Thu, 14 Jan 2016 18:59:00 -0500 Received: from pb-smtp0.int.icgroup.com ([208.72.237.35]:62839 "EHLO sasl.smtp.pobox.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1755681AbcANX6u (ORCPT ); Thu, 14 Jan 2016 18:58:50 -0500 Received: from sasl.smtp.pobox.com (unknown [127.0.0.1]) by pb-smtp0.pobox.com (Postfix) with ESMTP id DE6FF3CD73; Thu, 14 Jan 2016 18:58:49 -0500 (EST) DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=pobox.com; h=from:to:cc :subject:date:message-id:in-reply-to:references; s=sasl; bh=/Jof pMURNGbfGgNfa74Y7ryR1TM=; b=NII05d7KR2QKQzNia8WCGsx2a7HD2amswGCp Og9PNMqwCQpTdPHiqmlfTR/qU3jXFxav7wkl3qMSZ3ZxBt7A6H0o4RZsmuNWVhn4 yv9JOnVLRlA1tSx1MLd6njBZt8Pii3cgYlZEy1QYDkLb061dZFjSC8jNXBjMbmE7 C+5shZ0= DomainKey-Signature: a=rsa-sha1; c=nofws; d=pobox.com; h=from:to:cc :subject:date:message-id:in-reply-to:references; q=dns; s=sasl; b= ap9W1NnG6/3GoOqXK9OuYDqksFRDNKY+YEKVDVwPWu6LqRqFApS1vti/cU30tA8d eaYtO2F0DFr/HEBhgpBBH2aYAYeCuouG+wTodmTQEcqwcXNQNfOuxqvWy5CyUvBK FQuxEBvIA7IKDq8H6nyfoOXCmjr42bB9UGAuQCjeAvA= Received: from pb-smtp0.int.icgroup.com (unknown [127.0.0.1]) by pb-smtp0.pobox.com (Postfix) with ESMTP id D37CE3CD71; Thu, 14 Jan 2016 18:58:49 -0500 (EST) Received: from pobox.com (unknown [216.239.45.64]) (using TLSv1.2 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) by pb-smtp0.pobox.com (Postfix) with ESMTPSA id 472CD3CD6E; Thu, 14 Jan 2016 18:58:49 -0500 (EST) X-Mailer: git-send-email 2.7.0-250-ge1b5ba3 In-Reply-To: <1452815916-6447-1-git-send-email-gitster@pobox.com> X-Pobox-Relay-ID: C1685D66-BB1A-11E5-AC64-6BD26AB36C07-77302942!pb-smtp0.pobox.com Sender: git-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org Archived-At: The program by default reads LF terminated lines, with an option to use NUL terminated records. Instead of pretending that there can be other useful values for line_termination, use a boolean variable, nul_term_line, to tell if NUL terminated records are used, and switch between strbuf_getline_{lf,nul} based on it. Signed-off-by: Junio C Hamano --- builtin/update-index.c | 27 ++++++++++++++++----------- 1 file changed, 16 insertions(+), 11 deletions(-) diff --git a/builtin/update-index.c b/builtin/update-index.c index 7431938..7c5c143 100644 --- a/builtin/update-index.c +++ b/builtin/update-index.c @@ -468,12 +468,14 @@ static void update_one(const char *path) report("add '%s'", path); } -static void read_index_info(int line_termination) +static void read_index_info(int nul_term_line) { struct strbuf buf = STRBUF_INIT; struct strbuf uq = STRBUF_INIT; + strbuf_getline_fn getline_fn; - while (strbuf_getline(&buf, stdin, line_termination) != EOF) { + getline_fn = nul_term_line ? strbuf_getline_nul : strbuf_getline_lf; + while (getline_fn(&buf, stdin) != EOF) { char *ptr, *tab; char *path_name; unsigned char sha1[20]; @@ -522,7 +524,7 @@ static void read_index_info(int line_termination) goto bad_line; path_name = ptr; - if (line_termination && path_name[0] == '"') { + if (!nul_term_line && path_name[0] == '"') { strbuf_reset(&uq); if (unquote_c_style(&uq, path_name, NULL)) { die("git update-index: bad quoting of path name"); @@ -844,12 +846,12 @@ static int cacheinfo_callback(struct parse_opt_ctx_t *ctx, static int stdin_cacheinfo_callback(struct parse_opt_ctx_t *ctx, const struct option *opt, int unset) { - int *line_termination = opt->value; + int *nul_term_line = opt->value; if (ctx->argc != 1) return error("option '%s' must be the last argument", opt->long_name); allow_add = allow_replace = allow_remove = 1; - read_index_info(*line_termination); + read_index_info(*nul_term_line); return 0; } @@ -901,7 +903,7 @@ static int reupdate_callback(struct parse_opt_ctx_t *ctx, int cmd_update_index(int argc, const char **argv, const char *prefix) { - int newfd, entries, has_errors = 0, line_termination = '\n'; + int newfd, entries, has_errors = 0, nul_term_line = 0; int untracked_cache = -1; int read_from_stdin = 0; int prefix_length = prefix ? strlen(prefix) : 0; @@ -912,6 +914,7 @@ int cmd_update_index(int argc, const char **argv, const char *prefix) int split_index = -1; struct lock_file *lock_file; struct parse_opt_ctx_t ctx; + strbuf_getline_fn getline_fn; int parseopt_state = PARSE_OPT_UNKNOWN; struct option options[] = { OPT_BIT('q', NULL, &refresh_args.flags, @@ -963,13 +966,13 @@ int cmd_update_index(int argc, const char **argv, const char *prefix) N_("add to index only; do not add content to object database"), 1), OPT_SET_INT(0, "force-remove", &force_remove, N_("remove named paths even if present in worktree"), 1), - OPT_SET_INT('z', NULL, &line_termination, - N_("with --stdin: input lines are terminated by null bytes"), '\0'), + OPT_BOOL('z', NULL, &nul_term_line, + N_("with --stdin: input lines are terminated by null bytes")), {OPTION_LOWLEVEL_CALLBACK, 0, "stdin", &read_from_stdin, NULL, N_("read list of paths to be updated from standard input"), PARSE_OPT_NONEG | PARSE_OPT_NOARG, (parse_opt_cb *) stdin_callback}, - {OPTION_LOWLEVEL_CALLBACK, 0, "index-info", &line_termination, NULL, + {OPTION_LOWLEVEL_CALLBACK, 0, "index-info", &nul_term_line, NULL, N_("add entries from standard input to the index"), PARSE_OPT_NONEG | PARSE_OPT_NOARG, (parse_opt_cb *) stdin_cacheinfo_callback}, @@ -1057,6 +1060,8 @@ int cmd_update_index(int argc, const char **argv, const char *prefix) } } argc = parse_options_end(&ctx); + + getline_fn = nul_term_line ? strbuf_getline_nul : strbuf_getline_lf; if (preferred_index_format) { if (preferred_index_format < INDEX_FORMAT_LB || INDEX_FORMAT_UB < preferred_index_format) @@ -1073,9 +1078,9 @@ int cmd_update_index(int argc, const char **argv, const char *prefix) struct strbuf buf = STRBUF_INIT, nbuf = STRBUF_INIT; setup_work_tree(); - while (strbuf_getline(&buf, stdin, line_termination) != EOF) { + while (getline_fn(&buf, stdin) != EOF) { char *p; - if (line_termination && buf.buf[0] == '"') { + if (!nul_term_line && buf.buf[0] == '"') { strbuf_reset(&nbuf); if (unquote_c_style(&nbuf, buf.buf, NULL)) die("line is badly quoted"); -- 2.7.0-250-ge1b5ba3