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List:       git
Subject:    [PATCH 05/19] ls-files: buffer full item in strbuf before printing
From:       Nguyễn Thái Ngọc Duy  <pclouds () gmail ! com>
Date:       2014-11-30 8:55:53
Message-ID: 1417337767-4505-6-git-send-email-pclouds () gmail ! com
[Download RAW message or body]

Buffering so that we can manipulate the strings (e.g. coloring)
further before finally printing them.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
---
 builtin/ls-files.c | 48 +++++++++++++++++++++++++++++++++++-------------
 1 file changed, 35 insertions(+), 13 deletions(-)

diff --git a/builtin/ls-files.c b/builtin/ls-files.c
index 99cee20..f20c0fd 100644
--- a/builtin/ls-files.c
+++ b/builtin/ls-files.c
@@ -47,18 +47,30 @@ static const char *tag_modified = "";
 static const char *tag_skip_worktree = "";
 static const char *tag_resolve_undo = "";
 
-static void write_name(const char *name)
+static void write_name(struct strbuf *sb, const char *name)
 {
 	/*
 	 * With "--full-name", prefix_len=0; this caller needs to pass
 	 * an empty string in that case (a NULL is good for "").
 	 */
-	write_name_quoted_relative(name, prefix_len ? prefix : NULL,
-				   stdout, line_terminator);
+	const char *real_prefix = prefix_len ? prefix : NULL;
+	if (!line_terminator) {
+		struct strbuf sb2 = STRBUF_INIT;
+		strbuf_addstr(sb, relative_path(name, real_prefix, &sb2));
+		strbuf_release(&sb2);
+	} else
+		quote_path_relative(name, real_prefix, sb);
+	strbuf_addch(sb, line_terminator);
+}
+
+static void strbuf_fputs(struct strbuf *sb, FILE *fp)
+{
+	fwrite(sb->buf, sb->len, 1, fp);
 }
 
 static void show_dir_entry(const char *tag, struct dir_entry *ent)
 {
+	static struct strbuf sb = STRBUF_INIT;
 	int len = max_prefix_len;
 
 	if (len >= ent->len)
@@ -67,8 +79,10 @@ static void show_dir_entry(const char *tag, struct dir_entry *ent)
 	if (!dir_path_match(ent, &pathspec, len, ps_matched))
 		return;
 
-	fputs(tag, stdout);
-	write_name(ent->name);
+	strbuf_reset(&sb);
+	strbuf_addstr(&sb, tag);
+	write_name(&sb, ent->name);
+	strbuf_fputs(&sb, stdout);
 }
 
 static void show_other_files(struct dir_struct *dir)
@@ -134,6 +148,7 @@ static void show_killed_files(struct dir_struct *dir)
 
 static void show_ce_entry(const char *tag, const struct cache_entry *ce)
 {
+	static struct strbuf sb = STRBUF_INIT;
 	int len = max_prefix_len;
 
 	if (len >= ce_namelen(ce))
@@ -161,16 +176,18 @@ static void show_ce_entry(const char *tag, const struct cache_entry *ce)
 		tag = alttag;
 	}
 
+	strbuf_reset(&sb);
 	if (!show_stage) {
-		fputs(tag, stdout);
+		strbuf_addstr(&sb, tag);
 	} else {
-		printf("%s%06o %s %d\t",
-		       tag,
-		       ce->ce_mode,
-		       find_unique_abbrev(ce->sha1,abbrev),
-		       ce_stage(ce));
+		strbuf_addf(&sb, "%s%06o %s %d\t",
+			    tag,
+			    ce->ce_mode,
+			    find_unique_abbrev(ce->sha1,abbrev),
+			    ce_stage(ce));
 	}
-	write_name(ce->name);
+	write_name(&sb, ce->name);
+	strbuf_fputs(&sb, stdout);
 	if (debug_mode) {
 		const struct stat_data *sd = &ce->ce_stat_data;
 
@@ -206,7 +223,12 @@ static void show_ru_info(void)
 			printf("%s%06o %s %d\t", tag_resolve_undo, ui->mode[i],
 			       find_unique_abbrev(ui->sha1[i], abbrev),
 			       i + 1);
-			write_name(path);
+			/*
+			 * With "--full-name", prefix_len=0; this caller needs to pass
+			 * an empty string in that case (a NULL is good for "").
+			 */
+			write_name_quoted_relative(path, prefix_len ? prefix : NULL,
+						   stdout, line_terminator);
 		}
 	}
 }
-- 
2.2.0.60.gb7b3c64

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