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run-command: introduce CHILD_PROCESS_INIT

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Most struct child_process variables are cleared using memset first after
declaration.  Provide a macro, CHILD_PROCESS_INIT, that can be used to
initialize them statically instead.  That's shorter, doesn't require a
function call and is slightly more readable (especially given that we
already have STRBUF_INIT, ARGV_ARRAY_INIT etc.).

Helped-by: Johannes Sixt <j6t@kdbg.org>
Signed-off-by: Rene Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
René Scharfe
2014-08-19 21:09:35 +02:00
committed by Junio C Hamano
parent 6c4ab27f23
commit d318027932
40 changed files with 60 additions and 107 deletions
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diff.c
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@ -4931,7 +4931,7 @@ static char *run_textconv(const char *pgm, struct diff_filespec *spec,
struct diff_tempfile *temp;
const char *argv[3];
const char **arg = argv;
struct child_process child;
struct child_process child = CHILD_PROCESS_INIT;
struct strbuf buf = STRBUF_INIT;
int err = 0;
@ -4940,7 +4940,6 @@ static char *run_textconv(const char *pgm, struct diff_filespec *spec,
*arg++ = temp->name;
*arg = NULL;
memset(&child, 0, sizeof(child));
child.use_shell = 1;
child.argv = argv;
child.out = -1;