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device_mapper: slight reorder for _get_token

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For most common part check for '#' when it's known it's not a space.
And also when we checked for '\n' we dont need to check again isspace().
This commit is contained in:
Zdenek Kabelac 2024-10-09 14:59:25 +02:00
parent 9b913bf950
commit 65ee09d840
1 changed files with 8 additions and 5 deletions
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13
device_mapper/libdm-config.c
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@ -899,16 +899,19 @@ static void _get_token(struct parser *p, int tok_prev)
static void _eat_space(struct parser *p)
{
while (p->tb != p->fe) {
if (*p->te == '#')
if (!isspace(*p->te)) {
if (*p->te != '#')
break;
while ((p->te != p->fe) && (*p->te != '\n') && (*p->te))
++p->te;
}
else if (!isspace(*p->te))
break;
while ((p->te != p->fe) && isspace(*p->te)) {
while (p->te != p->fe) {
if (*p->te == '\n')
++p->line;
else if (!isspace(*p->te))
break;
++p->te;
}