[PATCH 7/9] Add strbuf_read_path().

["Kristian Høgsberg" <krh@redhat.com>]

Signed-off-by: Kristian Høgsberg <krh@redhat.com>
---
 builtin-tag.c |    7 +------
 strbuf.c      |   15 +++++++++++++++
 strbuf.h      |    1 +
 3 files changed, 17 insertions(+), 6 deletions(-)

diff --git a/builtin-tag.c b/builtin-tag.c
index 1aff952..8724d49 100644
--- a/builtin-tag.c
+++ b/builtin-tag.c
@@ -53,14 +53,9 @@ static void launch_editor(const char *path, struct strbuf *sb)
 	if (run_command(&child))
 		die("There was a problem with the editor %s.", editor);
 
-	fd = open(path, O_RDONLY);
-	if (fd < 0)
-		die("could not open '%s': %s", path, strerror(errno));
-	if (strbuf_read_fd(sb, fd) < 0) {
+	if (strbuf_read_path(sb, path) < 0)
 		die("could not read message file '%s': %s",
 		    path, strerror(errno));
-	}
-	close(fd);
 }
 
 struct tag_filter {
diff --git a/strbuf.c b/strbuf.c
index ed2afea..1951a5b 100644
--- a/strbuf.c
+++ b/strbuf.c
@@ -70,6 +70,21 @@ int strbuf_read_fd(struct strbuf *sb, int fd)
 	return total;
 }
 
+int strbuf_read_path(struct strbuf *sb, const char *path)
+{
+	int fd, len;
+
+	fd = open(path, O_RDONLY);
+	if (fd < 0)
+		return -1;
+	len = strbuf_read_fd(sb, fd);
+	if (len < 0)
+		return -1;
+	close(fd);
+
+	return len;
+}
+
 void strbuf_printf(struct strbuf *sb, const char *fmt, ...)
 {
 	char buffer[2048];
diff --git a/strbuf.h b/strbuf.h
index a93b9e1..e852070 100644
--- a/strbuf.h
+++ b/strbuf.h
@@ -14,6 +14,7 @@ extern void strbuf_add(struct strbuf *sb, const char *data, size_t len);
 extern void strbuf_add_char(struct strbuf *sb, int ch);
 extern void strbuf_printf(struct strbuf *sb, const char *fmt, ...);
 extern int strbuf_read_fd(struct strbuf *sb, int fd);
+extern int strbuf_read_path(struct strbuf *sb, const char *path);
 extern size_t stripspace(struct strbuf *sb, int skip_comments);
 
 #endif /* STRBUF_H */
-- 
1.5.2.GIT