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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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7
ws.c
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@ -33,11 +33,8 @@ unsigned parse_whitespace_rule(const char *string)
int negated = 0;
string = string + strspn(string, ", \t\n\r");
ep = strchr(string, ',');
if (!ep)
len = strlen(string);
else
len = ep - string;
ep = strchrnul(string, ',');
len = ep - string;
if (*string == '-') {
negated = 1;