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Diffstat (limited to 'shared/nm-glib-aux/nm-ref-string.c')
-rw-r--r--shared/nm-glib-aux/nm-ref-string.c183
1 files changed, 91 insertions, 92 deletions
diff --git a/shared/nm-glib-aux/nm-ref-string.c b/shared/nm-glib-aux/nm-ref-string.c
index 0a0b0d3a..526185f3 100644
--- a/shared/nm-glib-aux/nm-ref-string.c
+++ b/shared/nm-glib-aux/nm-ref-string.c
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: LGPL-2.1+
+/* SPDX-License-Identifier: LGPL-2.1+ */
 
 #include "nm-default.h"
 
@@ -7,62 +7,61 @@
 /*****************************************************************************/
 
 typedef struct {
-	NMRefString r;
-	volatile int ref_count;
-	char str_data[];
+    NMRefString  r;
+    volatile int ref_count;
+    char         str_data[];
 } RefString;
 
-G_LOCK_DEFINE_STATIC (gl_lock);
+G_LOCK_DEFINE_STATIC(gl_lock);
 static GHashTable *gl_hash;
 
 /* the first field of NMRefString is a pointer to the NUL terminated string.
  * This also allows to compare strings with nm_pstr_equal(), although, pointer
  * equality might be better. */
-G_STATIC_ASSERT (G_STRUCT_OFFSET (NMRefString, str) == 0);
-G_STATIC_ASSERT (G_STRUCT_OFFSET (RefString, r) == 0);
-G_STATIC_ASSERT (G_STRUCT_OFFSET (RefString, r.str) == 0);
+G_STATIC_ASSERT(G_STRUCT_OFFSET(NMRefString, str) == 0);
+G_STATIC_ASSERT(G_STRUCT_OFFSET(RefString, r) == 0);
+G_STATIC_ASSERT(G_STRUCT_OFFSET(RefString, r.str) == 0);
 
 /*****************************************************************************/
 
 static guint
-_ref_string_hash (gconstpointer ptr)
+_ref_string_hash(gconstpointer ptr)
 {
-	const RefString *a = ptr;
-	NMHashState h;
+    const RefString *a = ptr;
+    NMHashState      h;
 
-	nm_hash_init (&h, 1463435489u);
-	nm_hash_update (&h, a->r.str, a->r.len);
-	return nm_hash_complete (&h);
+    nm_hash_init(&h, 1463435489u);
+    nm_hash_update(&h, a->r.str, a->r.len);
+    return nm_hash_complete(&h);
 }
 
 static gboolean
-_ref_string_equal (gconstpointer pa, gconstpointer pb)
+_ref_string_equal(gconstpointer pa, gconstpointer pb)
 {
-	const RefString *a = pa;
-	const RefString *b = pb;
+    const RefString *a = pa;
+    const RefString *b = pb;
 
-	return    a->r.len == b->r.len
-	       && memcmp (a->r.str, b->r.str, a->r.len) == 0;
+    return a->r.len == b->r.len && memcmp(a->r.str, b->r.str, a->r.len) == 0;
 }
 
 /*****************************************************************************/
 
 static void
-_ASSERT (const RefString *rstr0)
+_ASSERT(const RefString *rstr0)
 {
 #if NM_MORE_ASSERTS
-	int r;
+    int r;
 
-	nm_assert (rstr0);
+    nm_assert(rstr0);
 
-	G_LOCK (gl_lock);
-	r = g_atomic_int_get (&rstr0->ref_count);
+    G_LOCK(gl_lock);
+    r = g_atomic_int_get(&rstr0->ref_count);
 
-	nm_assert (r > 0);
-	nm_assert (r < G_MAXINT);
+    nm_assert(r > 0);
+    nm_assert(r < G_MAXINT);
 
-	nm_assert (rstr0 == g_hash_table_lookup (gl_hash, rstr0));
-	G_UNLOCK (gl_lock);
+    nm_assert(rstr0 == g_hash_table_lookup(gl_hash, rstr0));
+    G_UNLOCK(gl_lock);
 #endif
 }
 
@@ -70,7 +69,7 @@ _ASSERT (const RefString *rstr0)
  * nm_ref_string_new_len:
  * @cstr: the string to intern. Must contain @len bytes.
  *   If @len is zero, @cstr may be %NULL. Note that it is
- *   accetable that the string contains a NUL character
+ *   acceptable that the string contains a NUL character
  *   within the first @len bytes. That is, the string is
  *   not treated as a NUL terminated string, but as binary.
  *   Also, contrary to strncpy(), this will read all the
@@ -83,7 +82,7 @@ _ASSERT (const RefString *rstr0)
  * (at position @len).
  *
  * Note that NMRefString are always interned/deduplicated. If such a string
- * already exists, the existing instance will be refered and returned.
+ * already exists, the existing instance will be referred and returned.
  *
  *
  * Since all NMRefString are shared and interned, you may use
@@ -108,88 +107,88 @@ _ASSERT (const RefString *rstr0)
  *   The result must be unrefed with nm_ref_string_unref().
  */
 NMRefString *
-nm_ref_string_new_len (const char *cstr, gsize len)
+nm_ref_string_new_len(const char *cstr, gsize len)
 {
-	RefString *rstr0;
-
-	G_LOCK (gl_lock);
-
-	if (G_UNLIKELY (!gl_hash)) {
-		gl_hash = g_hash_table_new_full (_ref_string_hash, _ref_string_equal, g_free, NULL);
-		rstr0 = NULL;
-	} else {
-		NMRefString rr_lookup = {
-			.len = len,
-			.str = cstr,
-		};
-
-		rstr0 = g_hash_table_lookup (gl_hash, &rr_lookup);
-	}
-
-	if (rstr0) {
-		nm_assert (({
-		               int r = g_atomic_int_get (&rstr0->ref_count);
-
-		               (r >= 0 && r < G_MAXINT);
-		            }));
-		g_atomic_int_inc (&rstr0->ref_count);
-	} else {
-		rstr0 = g_malloc (sizeof (RefString) + 1 + len);
-		rstr0->ref_count = 1;
-		*((gsize *) &rstr0->r.len) = len;
-		*((const char **) &rstr0->r.str) = rstr0->str_data;
-		if (len > 0)
-			memcpy (rstr0->str_data, cstr, len);
-		rstr0->str_data[len] = '\0';
-
-		if (!g_hash_table_add (gl_hash, rstr0))
-			nm_assert_not_reached ();
-	}
-
-	G_UNLOCK (gl_lock);
-
-	return &rstr0->r;
+    RefString *rstr0;
+
+    G_LOCK(gl_lock);
+
+    if (G_UNLIKELY(!gl_hash)) {
+        gl_hash = g_hash_table_new_full(_ref_string_hash, _ref_string_equal, g_free, NULL);
+        rstr0   = NULL;
+    } else {
+        NMRefString rr_lookup = {
+            .len = len,
+            .str = cstr,
+        };
+
+        rstr0 = g_hash_table_lookup(gl_hash, &rr_lookup);
+    }
+
+    if (rstr0) {
+        nm_assert(({
+            int r = g_atomic_int_get(&rstr0->ref_count);
+
+            (r >= 0 && r < G_MAXINT);
+        }));
+        g_atomic_int_inc(&rstr0->ref_count);
+    } else {
+        rstr0                            = g_malloc(sizeof(RefString) + 1 + len);
+        rstr0->ref_count                 = 1;
+        *((gsize *) &rstr0->r.len)       = len;
+        *((const char **) &rstr0->r.str) = rstr0->str_data;
+        if (len > 0)
+            memcpy(rstr0->str_data, cstr, len);
+        rstr0->str_data[len] = '\0';
+
+        if (!g_hash_table_add(gl_hash, rstr0))
+            nm_assert_not_reached();
+    }
+
+    G_UNLOCK(gl_lock);
+
+    return &rstr0->r;
 }
 
 NMRefString *
-nm_ref_string_ref (NMRefString *rstr)
+nm_ref_string_ref(NMRefString *rstr)
 {
-	RefString *const rstr0 = (RefString *) rstr;
+    RefString *const rstr0 = (RefString *) rstr;
 
-	if (!rstr)
-		return NULL;
+    if (!rstr)
+        return NULL;
 
-	_ASSERT (rstr0);
+    _ASSERT(rstr0);
 
-	g_atomic_int_inc (&rstr0->ref_count);
-	return &rstr0->r;
+    g_atomic_int_inc(&rstr0->ref_count);
+    return &rstr0->r;
 }
 
 void
-_nm_ref_string_unref_non_null (NMRefString *rstr)
+_nm_ref_string_unref_non_null(NMRefString *rstr)
 {
-	RefString *const rstr0 = (RefString *) rstr;
+    RefString *const rstr0 = (RefString *) rstr;
 
-	_ASSERT (rstr0);
+    _ASSERT(rstr0);
 
-	if (G_LIKELY (!g_atomic_int_dec_and_test (&rstr0->ref_count)))
-		return;
+    if (G_LIKELY(!g_atomic_int_dec_and_test(&rstr0->ref_count)))
+        return;
 
-	G_LOCK (gl_lock);
+    G_LOCK(gl_lock);
 
-	/* in the fast-path above, we already decremented the ref-count to zero.
-	 * We need recheck that the ref-count is still zero. */
+    /* in the fast-path above, we already decremented the ref-count to zero.
+     * We need recheck that the ref-count is still zero. */
 
-	if (g_atomic_int_get (&rstr0->ref_count) == 0) {
-		if (!g_hash_table_remove (gl_hash, rstr0))
-			nm_assert_not_reached ();
-	} else {
+    if (g_atomic_int_get(&rstr0->ref_count) == 0) {
+        if (!g_hash_table_remove(gl_hash, rstr0))
+            nm_assert_not_reached();
+    } else {
 #if NM_MORE_ASSERTS > 5
-		nm_assert (g_hash_table_lookup (gl_hash, rstr0) == rstr0);
+        nm_assert(g_hash_table_lookup(gl_hash, rstr0) == rstr0);
 #endif
-	}
+    }
 
-	G_UNLOCK (gl_lock);
+    G_UNLOCK(gl_lock);
 }
 
 /*****************************************************************************/
generated by cgit-pink 1.3.0-6-gf8a5 (git 2.35.1) at 2026-08-28 15:53:36 +0000