Add gqueue.c

Fri Jan 22 11:58:13 EST 1999  Jeff Garzik  <jgarzik@pobox.com>

        * Makefile.am:
        Add gqueue.c

        * glib.h:
        Add GQueue struct and prototypes.
        Remove g_stack_free macro.

        * gqueue.c
        New file.  Implementation of a queue ADT.

        * gstack.c:
        Rename _g_stack_free back to g_stack_free.

        * tests/Makefile.am, tests/stack-test.c:
        New test for GStack objects.

ChangeLog

@@ -1,3 +1,21 @@
+Fri Jan 22 11:58:13 EST 1999  Jeff Garzik  <jgarzik@pobox.com>
+
+	* Makefile.am:
+	Add gqueue.c
+
+	* glib.h:
+	Add GQueue struct and prototypes.
+	Remove g_stack_free macro.
+
+	* gqueue.c
+	New file.  Implementation of a queue ADT.
+
+	* gstack.c:
+	Rename _g_stack_free back to g_stack_free.
+
+	* tests/Makefile.am, tests/stack-test.c:
+	New test for GStack objects.
+
 Fri Jan 22 02:06:10 EST 1999  Jeff Garzik  <jgarzik@pobox.com>
 
 	* gstack.c:

ChangeLog.pre-2-0

@@ -1,3 +1,21 @@
+Fri Jan 22 11:58:13 EST 1999  Jeff Garzik  <jgarzik@pobox.com>
+
+	* Makefile.am:
+	Add gqueue.c
+
+	* glib.h:
+	Add GQueue struct and prototypes.
+	Remove g_stack_free macro.
+
+	* gqueue.c
+	New file.  Implementation of a queue ADT.
+
+	* gstack.c:
+	Rename _g_stack_free back to g_stack_free.
+
+	* tests/Makefile.am, tests/stack-test.c:
+	New test for GStack objects.
+
 Fri Jan 22 02:06:10 EST 1999  Jeff Garzik  <jgarzik@pobox.com>
 
 	* gstack.c:

ChangeLog.pre-2-10

@@ -1,3 +1,21 @@
+Fri Jan 22 11:58:13 EST 1999  Jeff Garzik  <jgarzik@pobox.com>
+
+	* Makefile.am:
+	Add gqueue.c
+
+	* glib.h:
+	Add GQueue struct and prototypes.
+	Remove g_stack_free macro.
+
+	* gqueue.c
+	New file.  Implementation of a queue ADT.
+
+	* gstack.c:
+	Rename _g_stack_free back to g_stack_free.
+
+	* tests/Makefile.am, tests/stack-test.c:
+	New test for GStack objects.
+
 Fri Jan 22 02:06:10 EST 1999  Jeff Garzik  <jgarzik@pobox.com>
 
 	* gstack.c:

ChangeLog.pre-2-12

@@ -1,3 +1,21 @@
+Fri Jan 22 11:58:13 EST 1999  Jeff Garzik  <jgarzik@pobox.com>
+
+	* Makefile.am:
+	Add gqueue.c
+
+	* glib.h:
+	Add GQueue struct and prototypes.
+	Remove g_stack_free macro.
+
+	* gqueue.c
+	New file.  Implementation of a queue ADT.
+
+	* gstack.c:
+	Rename _g_stack_free back to g_stack_free.
+
+	* tests/Makefile.am, tests/stack-test.c:
+	New test for GStack objects.
+
 Fri Jan 22 02:06:10 EST 1999  Jeff Garzik  <jgarzik@pobox.com>
 
 	* gstack.c:

ChangeLog.pre-2-2

@@ -1,3 +1,21 @@
+Fri Jan 22 11:58:13 EST 1999  Jeff Garzik  <jgarzik@pobox.com>
+
+	* Makefile.am:
+	Add gqueue.c
+
+	* glib.h:
+	Add GQueue struct and prototypes.
+	Remove g_stack_free macro.
+
+	* gqueue.c
+	New file.  Implementation of a queue ADT.
+
+	* gstack.c:
+	Rename _g_stack_free back to g_stack_free.
+
+	* tests/Makefile.am, tests/stack-test.c:
+	New test for GStack objects.
+
 Fri Jan 22 02:06:10 EST 1999  Jeff Garzik  <jgarzik@pobox.com>
 
 	* gstack.c:

ChangeLog.pre-2-4

@@ -1,3 +1,21 @@
+Fri Jan 22 11:58:13 EST 1999  Jeff Garzik  <jgarzik@pobox.com>
+
+	* Makefile.am:
+	Add gqueue.c
+
+	* glib.h:
+	Add GQueue struct and prototypes.
+	Remove g_stack_free macro.
+
+	* gqueue.c
+	New file.  Implementation of a queue ADT.
+
+	* gstack.c:
+	Rename _g_stack_free back to g_stack_free.
+
+	* tests/Makefile.am, tests/stack-test.c:
+	New test for GStack objects.
+
 Fri Jan 22 02:06:10 EST 1999  Jeff Garzik  <jgarzik@pobox.com>
 
 	* gstack.c:

ChangeLog.pre-2-6

@@ -1,3 +1,21 @@
+Fri Jan 22 11:58:13 EST 1999  Jeff Garzik  <jgarzik@pobox.com>
+
+	* Makefile.am:
+	Add gqueue.c
+
+	* glib.h:
+	Add GQueue struct and prototypes.
+	Remove g_stack_free macro.
+
+	* gqueue.c
+	New file.  Implementation of a queue ADT.
+
+	* gstack.c:
+	Rename _g_stack_free back to g_stack_free.
+
+	* tests/Makefile.am, tests/stack-test.c:
+	New test for GStack objects.
+
 Fri Jan 22 02:06:10 EST 1999  Jeff Garzik  <jgarzik@pobox.com>
 
 	* gstack.c:

ChangeLog.pre-2-8

@@ -1,3 +1,21 @@
+Fri Jan 22 11:58:13 EST 1999  Jeff Garzik  <jgarzik@pobox.com>
+
+	* Makefile.am:
+	Add gqueue.c
+
+	* glib.h:
+	Add GQueue struct and prototypes.
+	Remove g_stack_free macro.
+
+	* gqueue.c
+	New file.  Implementation of a queue ADT.
+
+	* gstack.c:
+	Rename _g_stack_free back to g_stack_free.
+
+	* tests/Makefile.am, tests/stack-test.c:
+	New test for GStack objects.
+
 Fri Jan 22 02:06:10 EST 1999  Jeff Garzik  <jgarzik@pobox.com>
 
 	* gstack.c:

Makefile.am

@@ -44,9 +44,11 @@ libglib_la_SOURCES = \
 	gmutex.c	\
 	gnode.c		\
 	gprimes.c	\
+	gqueue.c	\
 	grel.c		\
 	gscanner.c	\
 	gslist.c	\
+	gstack.c	\
 	gstrfuncs.c	\
 	gstring.c	\
 	gtimer.c	\

glib.h

@@ -677,6 +677,7 @@ typedef struct _GList		GList;
 typedef struct _GMemChunk	GMemChunk;
 typedef struct _GNode		GNode;
 typedef struct _GPtrArray	GPtrArray;
+typedef struct _GQueue		GQueue;
 typedef struct _GRelation	GRelation;
 typedef struct _GScanner	GScanner;
 typedef struct _GScannerConfig	GScannerConfig;
@@ -803,6 +804,13 @@ struct _GStack
   GList *list;
 };
 
+struct _GQueue
+{
+  GList *list;
+  GList *list_end;
+  guint list_size;
+};
+
 struct _GString
 {
   gchar *str;
@@ -942,31 +950,42 @@ gpointer g_slist_nth_data	(GSList		*list,
 /* Stacks
  */
 GStack * g_stack_new	(void);
-#ifndef G_STACK_MACROIZE
 void	 g_stack_free	(GStack *stack);
-void	 g_stack_push	(GStack *stack, gpointer data);
-#endif
+void	 _g_stack_push	(GStack *stack, gpointer data);
 gpointer g_stack_pop	(GStack *stack);
 
 #if G_STACK_MACROIZE
-#define g_stack_free(stack) G_STMT_START {		\
-	  if ((GStack *)(stack)) {			\
-	    if ((GStack *)(stack)->list)		\
-	      g_list_free ((GStack *)(stack)->list);	\
-	    g_free (stack);				\
-	  }						\
-	} G_STMT_END
-
 #  define g_stack_push(stack) G_STMT_START {				\
 	    if ((GStack *)(stack))					\
-	    (GStack *)(stack)->list =				\
-	    	g_list_prepend ((GStack *)(stack)->list, data);	\
+	      ((GStack *)(stack))->list =				\
+	    	  g_list_prepend (((GStack *)(stack))->list, data);	\
 	  } G_STMT_END
-
+#else
+#  define  g_stack_push _g_stack_push
 #endif
 
 
 
+/* Queues
+ */
+
+GQueue *	g_queue_new		(void);
+void		g_queue_free		(GQueue *q);
+guint		g_queue_get_size	(GQueue *q);
+void		g_queue_push_front	(GQueue *q, gpointer data);
+void		g_queue_push_back	(GQueue *q, gpointer data);
+gpointer	g_queue_pop_front	(GQueue *q);
+gpointer	g_queue_pop_back	(GQueue *q);
+
+#define		q_queue_push		q_queue_push_back
+#define		q_queue_pop		q_queue_pop_front
+
+
+
+
+
+
+
 /* Hash tables
  */
 GHashTable* g_hash_table_new		(GHashFunc	 hash_func,

glib/Makefile.am

@@ -44,9 +44,11 @@ libglib_la_SOURCES = \
 	gmutex.c	\
 	gnode.c		\
 	gprimes.c	\
+	gqueue.c	\
 	grel.c		\
 	gscanner.c	\
 	gslist.c	\
+	gstack.c	\
 	gstrfuncs.c	\
 	gstring.c	\
 	gtimer.c	\

glib/glib.h

@@ -677,6 +677,7 @@ typedef struct _GList		GList;
 typedef struct _GMemChunk	GMemChunk;
 typedef struct _GNode		GNode;
 typedef struct _GPtrArray	GPtrArray;
+typedef struct _GQueue		GQueue;
 typedef struct _GRelation	GRelation;
 typedef struct _GScanner	GScanner;
 typedef struct _GScannerConfig	GScannerConfig;
@@ -803,6 +804,13 @@ struct _GStack
   GList *list;
 };
 
+struct _GQueue
+{
+  GList *list;
+  GList *list_end;
+  guint list_size;
+};
+
 struct _GString
 {
   gchar *str;
@@ -942,31 +950,42 @@ gpointer g_slist_nth_data	(GSList		*list,
 /* Stacks
  */
 GStack * g_stack_new	(void);
-#ifndef G_STACK_MACROIZE
 void	 g_stack_free	(GStack *stack);
-void	 g_stack_push	(GStack *stack, gpointer data);
-#endif
+void	 _g_stack_push	(GStack *stack, gpointer data);
 gpointer g_stack_pop	(GStack *stack);
 
 #if G_STACK_MACROIZE
-#define g_stack_free(stack) G_STMT_START {		\
-	  if ((GStack *)(stack)) {			\
-	    if ((GStack *)(stack)->list)		\
-	      g_list_free ((GStack *)(stack)->list);	\
-	    g_free (stack);				\
-	  }						\
-	} G_STMT_END
-
 #  define g_stack_push(stack) G_STMT_START {				\
 	    if ((GStack *)(stack))					\
-	    (GStack *)(stack)->list =				\
-	    	g_list_prepend ((GStack *)(stack)->list, data);	\
+	      ((GStack *)(stack))->list =				\
+	    	  g_list_prepend (((GStack *)(stack))->list, data);	\
 	  } G_STMT_END
-
+#else
+#  define  g_stack_push _g_stack_push
 #endif
 
 
 
+/* Queues
+ */
+
+GQueue *	g_queue_new		(void);
+void		g_queue_free		(GQueue *q);
+guint		g_queue_get_size	(GQueue *q);
+void		g_queue_push_front	(GQueue *q, gpointer data);
+void		g_queue_push_back	(GQueue *q, gpointer data);
+gpointer	g_queue_pop_front	(GQueue *q);
+gpointer	g_queue_pop_back	(GQueue *q);
+
+#define		q_queue_push		q_queue_push_back
+#define		q_queue_pop		q_queue_pop_front
+
+
+
+
+
+
+
 /* Hash tables
  */
 GHashTable* g_hash_table_new		(GHashFunc	 hash_func,

glib/gqueue.c

@@ -0,0 +1,144 @@
+/*
+* GQueue, opaque ADT with interface:
+
+	q = g_queue_new ();
+	count = g_queue_size (q);
+
+	q_queue_push_front (q, data);
+	q_queue_push_back (q, data);
+	data = q_queue_pop_front (q);
+	data = q_queue_pop_back (q);
+	#define q_queue_push q_queue_push_back
+	#define q_queue_pop q_queue_pop_front
+
+	list = g_queue_get_list (q);
+	#define g_queue_get_front g_queue_get_list
+	list_end = g_queue_get_back (q);
+*/
+
+
+#ifdef HAVE_CONFIG_H
+#  include <config.h>
+#endif
+
+#include <glib.h>
+
+
+
+
+GQueue *
+g_queue_new (void)
+{
+  GQueue *q = g_new (GQueue, 1);
+
+  q->list = q->list_end = NULL;
+  q->list_size = 0;
+
+  return q;
+}
+
+
+void
+g_queue_free (GQueue *q)
+{
+  if (q) {
+    if (q->list)
+      g_list_free (q->list);
+    g_free (q);
+  }
+}
+
+
+guint
+g_queue_get_size (GQueue *q)
+{
+  return (q == NULL) ? 0 : q->list_size;
+}
+
+
+void
+g_queue_push_front (GQueue *q, gpointer data)
+{
+  if (q) {
+    q->list = g_list_prepend (q->list, data);
+
+    if (q->list_end == NULL)
+      q->list_end = q->list;
+
+    q->list_size++;
+  }
+}
+
+
+void
+g_queue_push_back (GQueue *q, gpointer data)
+{
+  if (q) {
+    q->list_end = g_list_append (q->list_end, data);
+
+    if (! q->list)
+      q->list = q->list_end;
+    else
+      q->list_end = q->list_end->next;
+
+    q->list_size++;
+  }
+}
+
+
+gpointer
+g_queue_pop_front (GQueue *q)
+{
+  gpointer data = NULL;
+
+  if ((q) && (q->list)) {
+    GList *node;
+
+    node = q->list;
+    data = node->data;
+
+    if (! node->next) {
+      q->list = q->list_end = NULL;
+      q->list_size = 0;
+    }
+    else {
+      q->list = node->next;
+      q->list->prev = NULL;
+      q->list_size--;
+    }
+
+    g_list_free_1 (node);
+  }
+
+  return data;
+}
+
+
+gpointer
+g_queue_pop_back (GQueue *q)
+{
+  gpointer data = NULL;
+
+  if ((q) && (q->list)) {
+    GList *node;
+
+    node = q->list_end;
+    data = node->data;
+
+    if (! node->prev) {
+      q->list = q->list_end = NULL;
+      q->list_size = 0;
+    }
+    else {
+      q->list_end = node->prev;
+      q->list_end->next = NULL;
+      q->list_size--;
+    }
+
+    g_list_free_1 (node);
+  }
+
+  return data;
+}
+
+

gqueue.c

@@ -0,0 +1,144 @@
+/*
+* GQueue, opaque ADT with interface:
+
+	q = g_queue_new ();
+	count = g_queue_size (q);
+
+	q_queue_push_front (q, data);
+	q_queue_push_back (q, data);
+	data = q_queue_pop_front (q);
+	data = q_queue_pop_back (q);
+	#define q_queue_push q_queue_push_back
+	#define q_queue_pop q_queue_pop_front
+
+	list = g_queue_get_list (q);
+	#define g_queue_get_front g_queue_get_list
+	list_end = g_queue_get_back (q);
+*/
+
+
+#ifdef HAVE_CONFIG_H
+#  include <config.h>
+#endif
+
+#include <glib.h>
+
+
+
+
+GQueue *
+g_queue_new (void)
+{
+  GQueue *q = g_new (GQueue, 1);
+
+  q->list = q->list_end = NULL;
+  q->list_size = 0;
+
+  return q;
+}
+
+
+void
+g_queue_free (GQueue *q)
+{
+  if (q) {
+    if (q->list)
+      g_list_free (q->list);
+    g_free (q);
+  }
+}
+
+
+guint
+g_queue_get_size (GQueue *q)
+{
+  return (q == NULL) ? 0 : q->list_size;
+}
+
+
+void
+g_queue_push_front (GQueue *q, gpointer data)
+{
+  if (q) {
+    q->list = g_list_prepend (q->list, data);
+
+    if (q->list_end == NULL)
+      q->list_end = q->list;
+
+    q->list_size++;
+  }
+}
+
+
+void
+g_queue_push_back (GQueue *q, gpointer data)
+{
+  if (q) {
+    q->list_end = g_list_append (q->list_end, data);
+
+    if (! q->list)
+      q->list = q->list_end;
+    else
+      q->list_end = q->list_end->next;
+
+    q->list_size++;
+  }
+}
+
+
+gpointer
+g_queue_pop_front (GQueue *q)
+{
+  gpointer data = NULL;
+
+  if ((q) && (q->list)) {
+    GList *node;
+
+    node = q->list;
+    data = node->data;
+
+    if (! node->next) {
+      q->list = q->list_end = NULL;
+      q->list_size = 0;
+    }
+    else {
+      q->list = node->next;
+      q->list->prev = NULL;
+      q->list_size--;
+    }
+
+    g_list_free_1 (node);
+  }
+
+  return data;
+}
+
+
+gpointer
+g_queue_pop_back (GQueue *q)
+{
+  gpointer data = NULL;
+
+  if ((q) && (q->list)) {
+    GList *node;
+
+    node = q->list_end;
+    data = node->data;
+
+    if (! node->prev) {
+      q->list = q->list_end = NULL;
+      q->list_size = 0;
+    }
+    else {
+      q->list_end = node->prev;
+      q->list_end->next = NULL;
+      q->list_size--;
+    }
+
+    g_list_free_1 (node);
+  }
+
+  return data;
+}
+
+

gstack.c

@@ -30,9 +30,6 @@ g_stack_new (void)
 }
 
 
-#ifndef G_STACK_MACROIZE
-
-
 void
 g_stack_free (GStack *stack)
 {
@@ -46,14 +43,12 @@ g_stack_free (GStack *stack)
 
 
 void
-g_stack_push (GStack *stack, gpointer data)
+_g_stack_push (GStack *stack, gpointer data)
 {
   if (stack)
     stack->list = g_list_prepend (stack->list, data);
 }
 
-#endif /* G_STACK_MACROIZE */
-
 
 gpointer
 g_stack_pop (GStack *stack)

tests/.cvsignore

@@ -33,3 +33,4 @@ tree-test
 dirname-test
 type-test
 strfunc-test
+stack-test

tests/Makefile.am

@@ -9,6 +9,7 @@ TESTS = \
 	node-test	\
 	relation-test	\
 	slist-test	\
+	stack-test	\
 	string-test	\
 	strfunc-test	\
 	tree-test	\
@@ -23,6 +24,7 @@ list_test_LDADD = $(top_builddir)/libglib.la
 node_test_LDADD = $(top_builddir)/libglib.la
 relation_test_LDADD = $(top_builddir)/libglib.la
 slist_test_LDADD = $(top_builddir)/libglib.la
+stack_test_LDADD = $(top_builddir)/libglib.la
 string_test_LDADD = $(top_builddir)/libglib.la
 strfunc_test_LDADD = $(top_builddir)/libglib.la
 tree_test_LDADD = $(top_builddir)/libglib.la

tests/stack-test.c

@@ -0,0 +1,37 @@
+#include <glib.h>
+
+int main()
+{
+  GStack *s;
+
+  s = g_stack_new ();
+
+  g_stack_push (s, GINT_TO_POINTER (1));
+  g_assert (g_list_length (s->list) == 1);
+  g_stack_push (s, GINT_TO_POINTER (2));
+  g_assert (g_list_length (s->list) == 2);
+  g_stack_push (s, GINT_TO_POINTER (3));
+  g_assert (g_list_length (s->list) == 3);
+  g_stack_push (s, GINT_TO_POINTER (4));
+  g_assert (g_list_length (s->list) == 4);
+  g_stack_push (s, GINT_TO_POINTER (5));
+  g_assert (g_list_length (s->list) == 5);
+
+  g_assert (g_stack_pop (s) == GPOINTER_TO_INT (5));
+  g_assert (g_list_length (s->list) == 4);
+  g_assert (g_stack_pop (s) == GPOINTER_TO_INT (4));
+  g_assert (g_list_length (s->list) == 3);
+  g_assert (g_stack_pop (s) == GPOINTER_TO_INT (3));
+  g_assert (g_list_length (s->list) == 2);
+  g_assert (g_stack_pop (s) == GPOINTER_TO_INT (2));
+  g_assert (g_list_length (s->list) == 1);
+  g_assert (g_stack_pop (s) == GPOINTER_TO_INT (1));
+  g_assert (g_list_length (s->list) == 0);
+  g_assert (g_stack_pop (s) == NULL);
+  g_assert (g_list_length (s->list) == 0);
+  g_assert (g_stack_pop (s) == NULL);
+  g_assert (g_list_length (s->list) == 0);
+
+  return 0;
+}
+