From ab5ac95725f7a4f36f72be48f340a84e46996e90 Mon Sep 17 00:00:00 2001 From: Jonathan Nieder Date: Tue, 2 Sep 2014 14:10:52 -0700 Subject: [PATCH] update-ref --stdin: narrow scope of err strbuf Making the strbuf local in each function that needs to print errors saves the reader from having to think about action at a distance, such as * errors piling up and being concatenated with no newline between them * errors unhandled in one function, to be later handled in another * concurrency issues, if this code starts using threads some day No functional change intended. Signed-off-by: Jonathan Nieder Reviewed-by: Michael Haggerty Signed-off-by: Junio C Hamano --- builtin/update-ref.c | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) diff --git a/builtin/update-ref.c b/builtin/update-ref.c index 96a53b92ae..866bbee67e 100644 --- a/builtin/update-ref.c +++ b/builtin/update-ref.c @@ -16,7 +16,6 @@ static struct ref_transaction *transaction; static char line_termination = '\n'; static int update_flags; -static struct strbuf err = STRBUF_INIT; /* * Parse one whitespace- or NUL-terminated, possibly C-quoted argument @@ -179,6 +178,7 @@ static int parse_next_sha1(struct strbuf *input, const char **next, static const char *parse_cmd_update(struct strbuf *input, const char *next) { + struct strbuf err = STRBUF_INIT; char *refname; unsigned char new_sha1[20]; unsigned char old_sha1[20]; @@ -204,12 +204,14 @@ static const char *parse_cmd_update(struct strbuf *input, const char *next) update_flags = 0; free(refname); + strbuf_release(&err); return next; } static const char *parse_cmd_create(struct strbuf *input, const char *next) { + struct strbuf err = STRBUF_INIT; char *refname; unsigned char new_sha1[20]; @@ -232,12 +234,14 @@ static const char *parse_cmd_create(struct strbuf *input, const char *next) update_flags = 0; free(refname); + strbuf_release(&err); return next; } static const char *parse_cmd_delete(struct strbuf *input, const char *next) { + struct strbuf err = STRBUF_INIT; char *refname; unsigned char old_sha1[20]; int have_old; @@ -264,12 +268,14 @@ static const char *parse_cmd_delete(struct strbuf *input, const char *next) update_flags = 0; free(refname); + strbuf_release(&err); return next; } static const char *parse_cmd_verify(struct strbuf *input, const char *next) { + struct strbuf err = STRBUF_INIT; char *refname; unsigned char new_sha1[20]; unsigned char old_sha1[20]; @@ -297,6 +303,7 @@ static const char *parse_cmd_verify(struct strbuf *input, const char *next) update_flags = 0; free(refname); + strbuf_release(&err); return next; } @@ -365,6 +372,8 @@ int cmd_update_ref(int argc, const char **argv, const char *prefix) die("Refusing to perform update with empty message."); if (read_stdin) { + struct strbuf err = STRBUF_INIT; + transaction = ref_transaction_begin(&err); if (!transaction) die("%s", err.buf); -- 2.11.4.GIT