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Configuration: improved declaration of short strings.

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This commit is contained in:
Valentin Bartenev
2017-07-18 18:00:19 +03:00
parent a6c4ef7a10
commit ee5b018cc2
1 changed files with 14 additions and 10 deletions
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24
src/nxt_conf.c
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@@ -46,7 +46,11 @@ struct nxt_aligned(8) nxt_conf_value_s {
uint8_t boolean; /* 1 bit. */
int64_t integer;
double number;
u_char str[1 + NXT_CONF_MAX_SHORT_STRING];
struct {
uint8_t length;
u_char start[NXT_CONF_MAX_SHORT_STRING];
} str;
struct nxt_packed {
u_char *start;
@@ -147,8 +151,8 @@ void
nxt_conf_get_string(nxt_conf_value_t *value, nxt_str_t *str)
{
if (value->type == NXT_CONF_VALUE_SHORT_STRING) {
str->length = value->u.str[0];
str->start = &value->u.str[1];
str->length = value->u.str.length;
str->start = value->u.str.start;
} else {
str->length = value->u.string.length;
@@ -205,9 +209,9 @@ nxt_conf_set_object_member(nxt_conf_value_t *object, nxt_str_t *name,
} else {
name_value->type = NXT_CONF_VALUE_SHORT_STRING;
name_value->u.str[0] = name->length;
name_value->u.str.length = name->length;
nxt_memcpy(&name_value->u.str[1], name->start, name->length);
nxt_memcpy(name_value->u.str.start, name->start, name->length);
}
member->value = *value;
@@ -560,8 +564,8 @@ nxt_conf_op_compile(nxt_mp_t *mp, nxt_conf_op_t **ops, nxt_conf_value_t *root,
member->name.type = NXT_CONF_VALUE_STRING;
} else {
member->name.u.str[0] = token.length;
nxt_memcpy(&member->name.u.str[1], token.start, token.length);
member->name.u.str.length = token.length;
nxt_memcpy(member->name.u.str.start, token.start, token.length);
member->name.type = NXT_CONF_VALUE_SHORT_STRING;
}
@@ -1309,9 +1313,9 @@ nxt_conf_json_parse_string(nxt_mp_t *mp, nxt_conf_value_t *value, u_char *start,
} else {
value->type = NXT_CONF_VALUE_SHORT_STRING;
value->u.str[0] = size;
value->u.str.length = size;
s = &value->u.str[1];
s = value->u.str.start;
}
if (surplus == 0) {
@@ -1404,7 +1408,7 @@ nxt_conf_json_parse_string(nxt_mp_t *mp, nxt_conf_value_t *value, u_char *start,
value->u.string.length = s - value->u.string.start;
} else {
value->u.str[0] = s - &value->u.str[1];
value->u.str.length = s - value->u.str.start;
}
return last + 1;