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use strchrnul() in place of strchr() and strlen()

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Avoid scanning strings twice, once with strchr() and then with
strlen(), by using strchrnul().

Helped-by: Junio C Hamano <gitster@pobox.com>
Signed-off-by: Rohit Mani <rohit.mani@outlook.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Rohit Mani
2014-03-07 22:48:31 -08:00
committed by Junio C Hamano
parent 5f95c9f850
commit 2c5495f7b6
9 changed files with 34 additions and 59 deletions
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5
parse-options.c
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@ -223,13 +223,10 @@ static int parse_long_opt(struct parse_opt_ctx_t *p, const char *arg,
const struct option *options)
{
const struct option *all_opts = options;
const char *arg_end = strchr(arg, '=');
const char *arg_end = strchrnul(arg, '=');
const struct option *abbrev_option = NULL, *ambiguous_option = NULL;
int abbrev_flags = 0, ambiguous_flags = 0;
if (!arg_end)
arg_end = arg + strlen(arg);
for (; options->type != OPTION_END; options++) {
const char *rest, *long_name = options->long_name;
int flags = 0, opt_flags = 0;