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Support 64bit integers in GKeyFile

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This commit is contained in:
Simon McVittie 2010-05-08 21:30:27 -04:00 committed by Matthias Clasen
parent 08b5f86697
commit 6bea235c8b
5 changed files with 222 additions and 0 deletions
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4
docs/reference/glib/glib-sections.txt
View File

@ -1609,6 +1609,8 @@ g_key_file_get_string
g_key_file_get_locale_string
g_key_file_get_boolean
g_key_file_get_integer
g_key_file_get_int64
g_key_file_get_uint64
g_key_file_get_double
g_key_file_get_string_list
g_key_file_get_locale_string_list
@ -1623,6 +1625,8 @@ g_key_file_set_string
g_key_file_set_locale_string
g_key_file_set_boolean
g_key_file_set_integer
g_key_file_set_int64
g_key_file_set_uint64
g_key_file_set_double
g_key_file_set_string_list
g_key_file_set_locale_string_list

152
glib/gkeyfile.c
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@ -1,6 +1,8 @@
/* gkeyfile.c - key file parser
*
* Copyright 2004 Red Hat, Inc.
* Copyright 2009-2010 Collabora Ltd.
* Copyright 2009 Nokia Corporation
*
* Written by Ray Strode <rstrode@redhat.com>
* Matthias Clasen <mclasen@redhat.com>
@ -2160,6 +2162,156 @@ g_key_file_set_integer (GKeyFile *key_file,
g_free (result);
}
/**
* g_key_file_get_int64:
* @key_file: a non-%NULL #GKeyFile
* @group_name: a non-%NULL group name
* @key: a non-%NULL key
* @error: return location for a #GError
*
* Returns the value associated with @key under @group_name as a signed
* 64-bit integer. This is similar to g_key_file_get_integer() but can return
* 64-bit results without truncation.
*
* Returns: the value associated with the key as a signed 64-bit integer, or
* 0 if the key was not found or could not be parsed.
*
* Since: 2.26
*/
gint64
g_key_file_get_int64 (GKeyFile *key_file,
const gchar *group_name,
const gchar *key,
GError **error)
{
gchar *s, *end;
gint64 v;
g_return_val_if_fail (key_file != NULL, -1);
g_return_val_if_fail (group_name != NULL, -1);
g_return_val_if_fail (key != NULL, -1);
s = g_key_file_get_value (key_file, group_name, key, error);
if (s == NULL)
return 0;
v = g_ascii_strtoll (s, &end, 10);
if (*s == '\0' || *end != '\0')
{
g_set_error (error, G_KEY_FILE_ERROR, G_KEY_FILE_ERROR_INVALID_VALUE,
"Key '%s' in group '%s' has value '%s' where int64 was expected",
key, group_name, s);
return 0;
}
g_free (s);
return v;
}
/**
* g_key_file_set_int64:
* @key_file: a #GKeyFile
* @group_name: a group name
* @key: a key
* @value: an integer value
*
* Associates a new integer value with @key under @group_name.
* If @key cannot be found then it is created.
*
* Since: 2.26
**/
void
g_key_file_set_int64 (GKeyFile *key_file,
const gchar *group_name,
const gchar *key,
gint64 value)
{
gchar *result;
g_return_if_fail (key_file != NULL);
result = g_strdup_printf ("%" G_GINT64_FORMAT, value);
g_key_file_set_value (key_file, group_name, key, result);
g_free (result);
}
/**
* g_key_file_get_uint64:
* @key_file: a non-%NULL #GKeyFile
* @group_name: a non-%NULL group name
* @key: a non-%NULL key
* @error: return location for a #GError
*
* Returns the value associated with @key under @group_name as an unsigned
* 64-bit integer. This is similar to g_key_file_get_integer() but can return
* large positive results without truncation.
*
* Returns: the value associated with the key as an unsigned 64-bit integer,
* or 0 if the key was not found or could not be parsed.
*
* Since: 2.26
*/
guint64
g_key_file_get_uint64 (GKeyFile *key_file,
const gchar *group_name,
const gchar *key,
GError **error)
{
gchar *s, *end;
guint64 v;
g_return_val_if_fail (key_file != NULL, -1);
g_return_val_if_fail (group_name != NULL, -1);
g_return_val_if_fail (key != NULL, -1);
s = g_key_file_get_value (key_file, group_name, key, error);
if (s == NULL)
return 0;
v = g_ascii_strtoull (s, &end, 10);
if (*s == '\0' || *end != '\0')
{
g_set_error (error, G_KEY_FILE_ERROR, G_KEY_FILE_ERROR_INVALID_VALUE,
"Key '%s' in group '%s' has value '%s' where uint64 was expected",
key, group_name, s);
return 0;
}
g_free (s);
return v;
}
/**
* g_key_file_set_uint64:
* @key_file: a #GKeyFile
* @group_name: a group name
* @key: a key
* @value: an integer value
*
* Associates a new integer value with @key under @group_name.
* If @key cannot be found then it is created.
*
* Since: 2.26
**/
void
g_key_file_set_uint64 (GKeyFile *key_file,
const gchar *group_name,
const gchar *key,
guint64 value)
{
gchar *result;
g_return_if_fail (key_file != NULL);
result = g_strdup_printf ("%" G_GUINT64_FORMAT, value);
g_key_file_set_value (key_file, group_name, key, result);
g_free (result);
}
/**
* g_key_file_get_integer_list:
* @key_file: a #GKeyFile

16
glib/gkeyfile.h
View File

@ -136,6 +136,22 @@ void g_key_file_set_integer (GKeyFile *key_file,
const gchar *group_name,
const gchar *key,
gint value);
gint64 g_key_file_get_int64 (GKeyFile *key_file,
const gchar *group_name,
const gchar *key,
GError **error);
void g_key_file_set_int64 (GKeyFile *key_file,
const gchar *group_name,
const gchar *key,
gint64 value);
guint64 g_key_file_get_uint64 (GKeyFile *key_file,
const gchar *group_name,
const gchar *key,
GError **error);
void g_key_file_set_uint64 (GKeyFile *key_file,
const gchar *group_name,
const gchar *key,
guint64 value);
gdouble g_key_file_get_double (GKeyFile *key_file,
const gchar *group_name,
const gchar *key,

4
glib/glib.symbols
View File

@ -533,6 +533,8 @@ g_key_file_get_groups G_GNUC_MALLOC
g_key_file_get_double
g_key_file_get_double_list G_GNUC_MALLOC
g_key_file_get_integer
g_key_file_get_int64
g_key_file_get_uint64
g_key_file_get_integer_list G_GNUC_MALLOC
g_key_file_get_keys G_GNUC_MALLOC
g_key_file_get_locale_string G_GNUC_MALLOC
@ -557,6 +559,8 @@ g_key_file_set_comment
g_key_file_set_double
g_key_file_set_double_list
g_key_file_set_integer
g_key_file_set_int64
g_key_file_set_uint64
g_key_file_set_integer_list
g_key_file_set_list_separator
g_key_file_set_locale_string

46
glib/tests/keyfile.c
View File

@ -1233,6 +1233,51 @@ test_reload_idempotency (void)
g_free (data1);
}
static const char int64_data[] =
"[bees]\n"
"a=1\n"
"b=2\n"
"c=123456789123456789\n"
"d=-123456789123456789\n";
static void
test_int64 (void)
{
GKeyFile *file;
gboolean ok;
guint64 c;
gint64 d;
gchar *value;
g_test_bug ("614864");
file = g_key_file_new ();
ok = g_key_file_load_from_data (file, int64_data, strlen (int64_data),
0, NULL);
g_assert (ok);
c = g_key_file_get_uint64 (file, "bees", "c", NULL);
g_assert (c == G_GUINT64_CONSTANT (123456789123456789));
d = g_key_file_get_int64 (file, "bees", "d", NULL);
g_assert (d == G_GINT64_CONSTANT (-123456789123456789));
g_key_file_set_uint64 (file, "bees", "c",
G_GUINT64_CONSTANT (987654321987654321));
value = g_key_file_get_value (file, "bees", "c", NULL);
g_assert_cmpstr (value, ==, "987654321987654321");
g_free (value);
g_key_file_set_int64 (file, "bees", "d",
G_GINT64_CONSTANT (-987654321987654321));
value = g_key_file_get_value (file, "bees", "d", NULL);
g_assert_cmpstr (value, ==, "-987654321987654321");
g_free (value);
g_key_file_free (file);
}
int
main (int argc, char *argv[])
{
@ -1258,6 +1303,7 @@ main (int argc, char *argv[])
g_test_add_func ("/keyfile/group-names", test_group_names);
g_test_add_func ("/keyfile/key-names", test_key_names);
g_test_add_func ("/keyfile/reload", test_reload_idempotency);
g_test_add_func ("/keyfile/int64", test_int64);
return g_test_run ();
}