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glib-aux: add nm_strv_is_same_unordered() helper

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Thomas Haller 2021-07-23 15:21:43 +02:00
parent 4012c68365
commit e2c5634ecd
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GPG key ID: 29C2366E4DFC5728
2 changed files with 51 additions and 0 deletions
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46
src/libnm-glib-aux/nm-shared-utils.c
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@ -2336,6 +2336,52 @@ nm_strv_has_duplicate(const char *const *strv, gssize len, gboolean is_sorted)
return FALSE;
}
gboolean
nm_strv_is_same_unordered(const char *const *strv1,
gssize len1,
const char *const *strv2,
gssize len2)
{
gs_free const char **ss1_free = NULL;
gs_free const char **ss2_free = NULL;
gsize l2;
gsize l;
gsize i;
if (len1 < 0)
l = NM_PTRARRAY_LEN(strv1);
else
l = (gsize) len1;
if (len2 < 0)
l2 = NM_PTRARRAY_LEN(strv2);
else
l2 = (gsize) len2;
if (l != l2)
return FALSE;
if (l == 0) {
/* An empty array. We treat (NULL, -1), (NULL, 0) and ([...], 0)
* all the same. */
return TRUE;
}
if (l > 1) {
strv1 = nm_memdup_maybe_a(300, strv1, sizeof(char *) * l, &ss1_free);
strv2 = nm_memdup_maybe_a(300, strv2, sizeof(char *) * l2, &ss2_free);
_nm_utils_strv_sort((const char **) strv1, l);
_nm_utils_strv_sort((const char **) strv2, l);
}
for (i = 0; i < l; i++) {
if (!nm_streq0(strv1[i], strv2[i]))
return FALSE;
}
return TRUE;
}
char **
_nm_utils_strv_cleanup(char ** strv,
gboolean strip_whitespace,

5
src/libnm-glib-aux/nm-shared-utils.h
View file

@ -746,6 +746,11 @@ char **_nm_utils_strv_cleanup(char ** strv,
gboolean skip_empty,
gboolean skip_repeated);
gboolean nm_strv_is_same_unordered(const char *const *strv1,
gssize len1,
const char *const *strv2,
gssize len2);
/*****************************************************************************/
static inline gpointer