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-rw-r--r--strbuf.c28
1 files changed, 28 insertions, 0 deletions
diff --git a/strbuf.c b/strbuf.c
index aa48d179a9..f19da55b07 100644
--- a/strbuf.c
+++ b/strbuf.c
@@ -1125,3 +1125,31 @@ int strbuf_normalize_path(struct strbuf *src)
strbuf_release(&dst);
return 0;
}
+
+int strbuf_edit_interactively(struct strbuf *buffer, const char *path,
+ const char *const *env)
+{
+ char *path2 = NULL;
+ int fd, res = 0;
+
+ if (!is_absolute_path(path))
+ path = path2 = xstrdup(git_path("%s", path));
+
+ fd = open(path, O_WRONLY | O_CREAT | O_TRUNC, 0666);
+ if (fd < 0)
+ res = error_errno(_("could not open '%s' for writing"), path);
+ else if (write_in_full(fd, buffer->buf, buffer->len) < 0) {
+ res = error_errno(_("could not write to '%s'"), path);
+ close(fd);
+ } else if (close(fd) < 0)
+ res = error_errno(_("could not close '%s'"), path);
+ else {
+ strbuf_reset(buffer);
+ if (launch_editor(path, buffer, env) < 0)
+ res = error_errno(_("could not edit '%s'"), path);
+ unlink(path);
+ }
+
+ free(path2);
+ return res;
+}