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authorMarkus Armbruster <armbru@redhat.com>2020-12-11 18:11:52 +0100
committerMarkus Armbruster <armbru@redhat.com>2020-12-19 10:39:41 +0100
commit4ac76ba414ecb94f086d73621775d8b38b6f0a43 (patch)
tree14a3da0ae64a62bcbe23d122e34b750902284b27 /qobject/qstring.c
parent18cf67c5e1d6e23042b752831aa6f9e4e478787b (diff)
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qobject: Make QString immutable
The functions to modify a QString's string are all unused now. Drop them, and make the string immutable. Saves 16 bytes per QString on my system. Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20201211171152.146877-21-armbru@redhat.com>
Diffstat (limited to 'qobject/qstring.c')
-rw-r--r--qobject/qstring.c65
1 files changed, 2 insertions, 63 deletions
diff --git a/qobject/qstring.c b/qobject/qstring.c
index ea86d80..b461389 100644
--- a/qobject/qstring.c
+++ b/qobject/qstring.c
@@ -25,14 +25,6 @@ QString *qstring_new(void)
}
/**
- * qstring_get_length(): Get the length of a QString
- */
-size_t qstring_get_length(const QString *qstring)
-{
- return qstring->length;
-}
-
-/**
* qstring_from_substr(): Create a new QString from a C string substring
*
* Return string reference
@@ -42,18 +34,9 @@ QString *qstring_from_substr(const char *str, size_t start, size_t end)
QString *qstring;
assert(start <= end);
-
qstring = g_malloc(sizeof(*qstring));
qobject_init(QOBJECT(qstring), QTYPE_QSTRING);
-
- qstring->length = end - start;
- qstring->capacity = qstring->length;
-
- assert(qstring->capacity < SIZE_MAX);
- qstring->string = g_malloc(qstring->capacity + 1);
- memcpy(qstring->string, str + start, qstring->length);
- qstring->string[qstring->length] = 0;
-
+ qstring->string = g_strndup(str + start, end - start);
return qstring;
}
@@ -79,55 +62,11 @@ QString *qstring_from_gstring(GString *gstr)
qstring = g_malloc(sizeof(*qstring));
qobject_init(QOBJECT(qstring), QTYPE_QSTRING);
- qstring->length = gstr->len;
- qstring->capacity = gstr->allocated_len;
qstring->string = g_string_free(gstr, false);
return qstring;
}
-static void capacity_increase(QString *qstring, size_t len)
-{
- if (qstring->capacity < (qstring->length + len)) {
- assert(len <= SIZE_MAX - qstring->capacity);
- qstring->capacity += len;
- assert(qstring->capacity <= SIZE_MAX / 2);
- qstring->capacity *= 2; /* use exponential growth */
-
- qstring->string = g_realloc(qstring->string, qstring->capacity + 1);
- }
-}
-
-/* qstring_append(): Append a C string to a QString
- */
-void qstring_append(QString *qstring, const char *str)
-{
- size_t len = strlen(str);
-
- capacity_increase(qstring, len);
- memcpy(qstring->string + qstring->length, str, len);
- qstring->length += len;
- qstring->string[qstring->length] = 0;
-}
-
-void qstring_append_int(QString *qstring, int64_t value)
-{
- char num[32];
-
- snprintf(num, sizeof(num), "%" PRId64, value);
- qstring_append(qstring, num);
-}
-
-/**
- * qstring_append_chr(): Append a C char to a QString
- */
-void qstring_append_chr(QString *qstring, int c)
-{
- capacity_increase(qstring, 1);
- qstring->string[qstring->length++] = c;
- qstring->string[qstring->length] = 0;
-}
-
/**
* qstring_get_str(): Return a pointer to the stored string
*
@@ -158,6 +97,6 @@ void qstring_destroy_obj(QObject *obj)
assert(obj != NULL);
qs = qobject_to(QString, obj);
- g_free(qs->string);
+ g_free((char *)qs->string);
g_free(qs);
}