[PATCH 5/7] Add strbuf_read_file().
Signed-off-by: Kristian Høgsberg <krh@redhat.com>
---
builtin-tag.c | 10 +++-------
strbuf.c | 15 +++++++++++++++
strbuf.h | 1 +
3 files changed, 19 insertions(+), 7 deletions(-)
diff --git a/builtin-tag.c b/builtin-tag.c
index 68c9a20..c97673f 100644
--- a/builtin-tag.c
+++ b/builtin-tag.c
@@ -53,13 +53,9 @@ static void launch_editor(const char *path, struct strbuf *buffer)
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(buffer, fd, 0) < 0) {
- die("could not read message file '%s': %s", path, strerror(errno));
- }
- close(fd);
+ if (strbuf_read_file(buffer, path) < 0)
+ die("could not read message file '%s': %s",
+ path, strerror(errno));
}
struct tag_filter {
diff --git a/strbuf.c b/strbuf.c
index d919047..438606d 100644
--- a/strbuf.c
+++ b/strbuf.c
@@ -110,6 +110,21 @@ ssize_t strbuf_read(struct strbuf *sb, int fd, size_t hint)
return sb->len - oldlen;
}
+int strbuf_read_file(struct strbuf *sb, const char *path)
+{
+ int fd, len;
+
+ fd = open(path, O_RDONLY);
+ if (fd < 0)
+ return -1;
+ len = strbuf_read(sb, fd, 0);
+ close(fd);
+ if (len < 0)
+ return -1;
+
+ return len;
+}
+
void read_line(struct strbuf *sb, FILE *fp, int term) {
int ch;
if (feof(fp)) {
diff --git a/strbuf.h b/strbuf.h
index 5960637..3a523ab 100644
--- a/strbuf.h
+++ b/strbuf.h
@@ -95,6 +95,7 @@ extern void strbuf_addf(struct strbuf *sb, const char *fmt, ...);
extern size_t strbuf_fread(struct strbuf *, size_t, FILE *);
/* XXX: if read fails, any partial read is undone */
extern ssize_t strbuf_read(struct strbuf *, int fd, size_t hint);
+extern int strbuf_read_file(struct strbuf *sb, const char *path);
extern void read_line(struct strbuf *, FILE *, int);
--
1.5.3.1.993.gbf388-dirty
Kristian Høgsberg <krh@redhat.com>