[PATCH] Allow fmt_ident to get an arbitrary buffer for the output

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Signed-off-by: Alex Riesen <raa.lkml@xxxxxxxxx>
---
 builtin-blame.c |    5 +++--
 cache.h         |    8 +++++++-
 ident.c         |   47 +++++++++++++++++++++--------------------------
 3 files changed, 31 insertions(+), 29 deletions(-)

On 7/31/07, Alex Riesen <raa.lkml@xxxxxxxxx> wrote:
> Ach, that's why... Junio, how about this then? I'd even suggest adding
> the buffer argument to fmt_ident and use it everywhere (ATM there is
> only one user outside of ident.c: builtin-blame.c).

Something like this (on top of the previous re git_author|committer_info)
From fd728acc96ec35e36b0a8233c9f9c2f0eb78fd1d Mon Sep 17 00:00:00 2001
From: Alex Riesen <raa.lkml@xxxxxxxxx>
Date: Tue, 31 Jul 2007 19:13:06 +0200
Subject: [PATCH] Allow fmt_ident to get an arbitrary buffer for the output


Signed-off-by: Alex Riesen <raa.lkml@xxxxxxxxx>
---
 builtin-blame.c |    5 +++--
 cache.h         |    8 +++++++-
 ident.c         |   47 +++++++++++++++++++++--------------------------
 3 files changed, 31 insertions(+), 29 deletions(-)

diff --git a/builtin-blame.c b/builtin-blame.c
index 0519339..2d5e35d 100644
--- a/builtin-blame.c
+++ b/builtin-blame.c
@@ -1995,7 +1995,7 @@ static struct commit *fake_working_tree_commit(const char *path, const char *con
 	struct origin *origin;
 	unsigned char head_sha1[20];
 	char *buf;
-	const char *ident;
+	char ident[FMT_IDENT_BUFSIZE];
 	int fd;
 	time_t now;
 	unsigned long fin_size;
@@ -2108,7 +2108,8 @@ static struct commit *fake_working_tree_commit(const char *path, const char *con
 	cache_tree_invalidate_path(active_cache_tree, path);
 
 	commit->buffer = xmalloc(400);
-	ident = fmt_ident("Not Committed Yet", "not.committed.yet", NULL, 0);
+	fmt_ident(ident, sizeof(ident),
+		  "Not Committed Yet", "not.committed.yet", NULL, 0);
 	snprintf(commit->buffer, 400,
 		"tree 0000000000000000000000000000000000000000\n"
 		"parent %s\n"
diff --git a/cache.h b/cache.h
index 53801b8..d7b2ef6 100644
--- a/cache.h
+++ b/cache.h
@@ -425,7 +425,13 @@ unsigned long approxidate(const char *);
 
 extern const char *git_author_info(int);
 extern const char *git_committer_info(int);
-extern const char *fmt_ident(const char *name, const char *email, const char *date_str, int);
+#define FMT_IDENT_BUFSIZE 1000
+extern char *fmt_ident(char *buffer,
+		       int bufsize,
+		       const char *name,
+		       const char *email,
+		       const char *date_str,
+		       int error_on_no_name);
 
 struct checkout {
 	const char *base_dir;
diff --git a/ident.c b/ident.c
index 0d59090..a29d217 100644
--- a/ident.c
+++ b/ident.c
@@ -192,9 +192,9 @@ static const char *env_hint =
 "Add --global to set your account\'s default\n"
 "\n";
 
-#define FMT_IDENT_BUFSIZE 1000
-static char *fmt_ident_buf(char *buffer, const char *name, const char *email,
-			   const char *date_str, int error_on_no_name)
+char *fmt_ident(char *buffer, int size,
+		const char *name, const char *email,
+		const char *date_str, int error_on_no_name)
 {
 	char date[50];
 	int i;
@@ -227,34 +227,28 @@ static char *fmt_ident_buf(char *buffer, const char *name, const char *email,
 	if (date_str)
 		parse_date(date_str, date, sizeof(date));
 
-	i = copy(buffer, FMT_IDENT_BUFSIZE, 0, name);
-	i = add_raw(buffer, FMT_IDENT_BUFSIZE, i, " <");
-	i = copy(buffer, FMT_IDENT_BUFSIZE, i, email);
-	i = add_raw(buffer, FMT_IDENT_BUFSIZE, i, "> ");
-	i = copy(buffer, FMT_IDENT_BUFSIZE, i, date);
-	if (i >= FMT_IDENT_BUFSIZE)
+	i = copy(buffer, size, 0, name);
+	i = add_raw(buffer, size, i, " <");
+	i = copy(buffer, size, i, email);
+	i = add_raw(buffer, size, i, "> ");
+	i = copy(buffer, size, i, date);
+	if (i >= size)
 		die("Impossibly long personal identifier");
 	buffer[i] = 0;
 	return buffer;
 }
 
-const char *fmt_ident(const char *name, const char *email,
-		      const char *date_str, int error_on_no_name)
-{
-	static char buffer[FMT_IDENT_BUFSIZE];
-	return fmt_ident_buf(buffer, name, email, date_str, error_on_no_name);
-}
-
 const char *git_author_info(int error_on_no_name)
 {
 	static char *buffer;
 	if (!buffer)
 		buffer = xmalloc(FMT_IDENT_BUFSIZE);
-	return fmt_ident_buf(buffer,
-			     getenv("GIT_AUTHOR_NAME"),
-			     getenv("GIT_AUTHOR_EMAIL"),
-			     getenv("GIT_AUTHOR_DATE"),
-			     error_on_no_name);
+	return fmt_ident(buffer,
+			 FMT_IDENT_BUFSIZE,
+			 getenv("GIT_AUTHOR_NAME"),
+			 getenv("GIT_AUTHOR_EMAIL"),
+			 getenv("GIT_AUTHOR_DATE"),
+			 error_on_no_name);
 }
 
 const char *git_committer_info(int error_on_no_name)
@@ -262,9 +256,10 @@ const char *git_committer_info(int error_on_no_name)
 	static char *buffer;
 	if (!buffer)
 		buffer = xmalloc(FMT_IDENT_BUFSIZE);
-	return fmt_ident_buf(buffer,
-			     getenv("GIT_COMMITTER_NAME"),
-			     getenv("GIT_COMMITTER_EMAIL"),
-			     getenv("GIT_COMMITTER_DATE"),
-			     error_on_no_name);
+	return fmt_ident(buffer,
+			 FMT_IDENT_BUFSIZE,
+			 getenv("GIT_COMMITTER_NAME"),
+			 getenv("GIT_COMMITTER_EMAIL"),
+			 getenv("GIT_COMMITTER_DATE"),
+			 error_on_no_name);
 }
-- 
1.5.3.rc3.132.g39179


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