From: David Barr <davidbarr@xxxxxxxxxx>
Date: Fri, 1 Jun 2012 00:41:26 +1000
Currently the cleanup code looks like this:
free resources
return 0;
error_out:
free resources
return -1;
Avoid duplicating the "free resources" part by keeping the return
value in a variable and sharing code between the success and
exceptional case:
ret = 0;
out:
free resources
return ret;
Noticed in the svn-dump-fast-export project, where using the error()
macro in void context produces a warning.
Signed-off-by: David Barr <davidbarr@xxxxxxxxxx>
Signed-off-by: Jonathan Nieder <jrnieder@xxxxxxxxx>
---
Changes since v2:
- new description
vcs-svn/svndiff.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/vcs-svn/svndiff.c b/vcs-svn/svndiff.c
index c89d9623..e810d0c3 100644
--- a/vcs-svn/svndiff.c
+++ b/vcs-svn/svndiff.c
@@ -258,6 +258,7 @@ static int apply_window_in_core(struct window *ctx)
static int apply_one_window(struct line_buffer *delta, off_t *delta_len,
struct sliding_view *preimage, FILE *out)
{
+ int rv = -1;
struct window ctx = WINDOW_INIT(preimage);
size_t out_len;
size_t instructions_len;
@@ -275,16 +276,15 @@ static int apply_one_window(struct line_buffer *delta, off_t *delta_len,
if (apply_window_in_core(&ctx))
goto error_out;
if (ctx.out.len != out_len) {
- error("invalid delta: incorrect postimage length");
+ rv = error("invalid delta: incorrect postimage length");
goto error_out;
}
if (write_strbuf(&ctx.out, out))
goto error_out;
- window_release(&ctx);
- return 0;
+ rv = 0;
error_out:
window_release(&ctx);
- return -1;
+ return rv;
}
int svndiff0_apply(struct line_buffer *delta, off_t delta_len,
--
1.7.10.4
--
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