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shared: add nm_utils_strv_sort() helper

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This commit is contained in:
Thomas Haller 2018-04-11 14:10:22 +02:00
parent 458b422468
commit be9a5ab308
2 changed files with 38 additions and 0 deletions
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35
shared/nm-utils/nm-shared-utils.c
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@ -1274,3 +1274,38 @@ fail:
NM_SET_OUT (out_ppid, 0);
return 0;
}
/*****************************************************************************/
/**
* _nm_utils_strv_sort:
* @strv: pointer containing strings that will be sorted
* in-place, %NULL is allowed, unless @len indicates
* that there are more elements.
* @len: the number of elements in strv. If negative,
* strv must be a NULL terminated array and the length
* will be calculated first. If @len is a positive
* number, all first @len elements in @strv must be
* non-NULL, valid strings.
*
* Ascending sort of the array @strv inplace, using plain strcmp() string
* comparison.
*/
void
_nm_utils_strv_sort (const char **strv, gssize len)
{
gsize l;
l = len < 0 ? (gsize) NM_PTRARRAY_LEN (strv) : (gsize) len;
if (l <= 1)
return;
nm_assert (l <= (gsize) G_MAXINT);
g_qsort_with_data (strv,
l,
sizeof (const char *),
nm_strcmp_p_with_data,
NULL);
}

3
shared/nm-utils/nm-shared-utils.h
View file

@ -484,6 +484,9 @@ nm_utils_strv_make_deep_copied_nonnull (const char **strv)
return nm_utils_strv_make_deep_copied (strv) ?: g_new0 (char *, 1);
}
void _nm_utils_strv_sort (const char **strv, gssize len);
#define nm_utils_strv_sort(strv, len) _nm_utils_strv_sort (NM_CAST_STRV_MC (strv), len)
/*****************************************************************************/
#define NM_UTILS_NS_PER_SECOND ((gint64) 1000000000)