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keyval: Use GString to accumulate value strings

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QString supports modifying its string, but it's quite limited: you can
only append.  The remaining callers use it for building an initial
string, never for modifying it later.

Change keyval_parse_one() to do build the initial string with GString.
This is another step towards making QString immutable.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20201211171152.146877-19-armbru@redhat.com>
This commit is contained in:
Markus Armbruster 2020-12-11 18:11:50 +01:00
parent 68af4cc121
commit 7ece42110d
1 changed files with 6 additions and 5 deletions
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11
util/keyval.c
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@ -189,7 +189,7 @@ static const char *keyval_parse_one(QDict *qdict, const char *params,
QDict *cur;
int ret;
QObject *next;
QString *val;
GString *val;
key = params;
val_end = NULL;
@ -263,7 +263,7 @@ static const char *keyval_parse_one(QDict *qdict, const char *params,
if (key == implied_key) {
assert(!*s);
val = qstring_from_substr(params, 0, val_end - params);
val = g_string_new_len(params, val_end - params);
s = val_end;
if (*s == ',') {
s++;
@ -276,7 +276,7 @@ static const char *keyval_parse_one(QDict *qdict, const char *params,
}
s++;
val = qstring_new();
val = g_string_new(NULL);
for (;;) {
if (!*s) {
break;
@ -286,11 +286,12 @@ static const char *keyval_parse_one(QDict *qdict, const char *params,
break;
}
}
qstring_append_chr(val, *s++);
g_string_append_c(val, *s++);
}
}
if (!keyval_parse_put(cur, key_in_cur, val, key, key_end, errp)) {
if (!keyval_parse_put(cur, key_in_cur, qstring_from_gstring(val),
key, key_end, errp)) {
return NULL;
}
return s;