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shared: add nm_utils_gbytes_equal_mem() util

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This commit is contained in:
Thomas Haller 2018-08-12 19:53:53 +02:00
parent dc4db093c7
commit f38cbce653
2 changed files with 34 additions and 0 deletions
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30
shared/nm-utils/nm-shared-utils.c
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@ -117,6 +117,36 @@ nm_utils_strbuf_append (char **buf, gsize *len, const char *format, ...)
/*****************************************************************************/
/**
* nm_utils_gbytes_equals:
* @bytes: (allow-none): a #GBytes array to compare. Note that
* %NULL is treated like an #GBytes array of length zero.
* @mem_data: the data pointer with @mem_len bytes
* @mem_len: the length of the data pointer
*
* Returns: %TRUE if @bytes contains the same data as @mem_data. As a
* special case, a %NULL @bytes is treated like an empty array.
*/
gboolean
nm_utils_gbytes_equal_mem (GBytes *bytes,
gconstpointer mem_data,
gsize mem_len)
{
gconstpointer p;
gsize l;
if (!bytes) {
/* as a special case, let %NULL GBytes compare idential
* to an empty array. */
return (mem_len == 0);
}
p = g_bytes_get_data (bytes, &l);
return l == mem_len
&& ( mem_len == 0 /* allow @mem_data to be %NULL */
|| memcmp (p, mem_data, mem_len) == 0);
}
GVariant *
nm_utils_gbytes_to_variant_ay (GBytes *bytes)
{

4
shared/nm-utils/nm-shared-utils.h
View file

@ -202,6 +202,10 @@ nm_utils_is_separator (const char c)
/*****************************************************************************/
gboolean nm_utils_gbytes_equal_mem (GBytes *bytes,
gconstpointer mem_data,
gsize mem_len);
GVariant *nm_utils_gbytes_to_variant_ay (GBytes *bytes);
/*****************************************************************************/