Add a vector implementation

Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>

4 files changed, 207 insertions, 0 deletions

diff --git a/src/Makefile.am b/src/Makefile.am
index d17da42..ddf0847 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -38,6 +38,7 @@ calcurse_SOURCES = \
 	utf8.c \
 	utils.c \
 	vars.c \
+	vector.c \
 	wins.c \
 	mem.c \
 	dmon.c
diff --git a/src/calcurse.h b/src/calcurse.h
index 2fc97c8..421a02a 100644
--- a/src/calcurse.h
+++ b/src/calcurse.h
@@ -56,6 +56,7 @@
 #include <regex.h>
 
 #include "llist.h"
+#include "vector.h"
 #include "htable.h"
 #include "llist_ts.h"
 
diff --git a/src/vector.c b/src/vector.c
new file mode 100644
index 0000000..c1bab96
--- /dev/null
+++ b/src/vector.c
@@ -0,0 +1,128 @@
+/*
+ * Calcurse - text-based organizer
+ *
+ * Copyright (c) 2004-2013 calcurse Development Team <misc@calcurse.org>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ *      - Redistributions of source code must retain the above
+ *        copyright notice, this list of conditions and the
+ *        following disclaimer.
+ *
+ *      - Redistributions in binary form must reproduce the above
+ *        copyright notice, this list of conditions and the
+ *        following disclaimer in the documentation and/or other
+ *        materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * Send your feedback or comments to : misc@calcurse.org
+ * Calcurse home page : http://calcurse.org
+ *
+ */
+
+#include "calcurse.h"
+
+/*
+ * Initialize a vector.
+ */
+void vector_init(vector_t *v, unsigned size)
+{
+	v->count = 0;
+	v->size = size;
+	v->data = malloc(size * sizeof(void *));
+}
+
+/*
+ * Free a vector, but not the contained data.
+ */
+void vector_free(vector_t *v)
+{
+	v->count = 0;
+	v->size = 0;
+	free(v->data);
+	v->data = NULL;
+}
+
+/*
+ * Free the data contained in a vector.
+ */
+void vector_free_inner(vector_t *v, vector_fn_free_t fn_free)
+{
+	unsigned i;
+
+	for (i = 0; i < v->count; i++) {
+		fn_free(v->data[i]);
+	}
+}
+
+/*
+ * Get the first item of a vector.
+ */
+void *vector_first(vector_t *v)
+{
+	return v->data[0];
+}
+
+/*
+ * Get the nth item of a vector.
+ */
+void *vector_nth(vector_t *v, int n)
+{
+	return v->data[n];
+}
+
+/*
+ * Get the number of items in a vector.
+ */
+unsigned vector_count(vector_t *v)
+{
+	return v->count;
+}
+
+/*
+ * Add an item at the end of a vector.
+ */
+void vector_add(vector_t *v, void *data)
+{
+	if (v->count >= v->size) {
+		v->size *= 2;
+		v->data = realloc(v->data, v->size * sizeof(void *));
+	}
+
+	v->data[v->count] = data;
+	v->count++;
+}
+
+/*
+ * Sort a vector.
+ */
+void vector_sort(vector_t *v, vector_fn_cmp_t fn_cmp)
+{
+	qsort(v->data, v->count, sizeof(void *), fn_cmp);
+}
+
+/*
+ * Remove an item from a vector.
+ */
+void vector_remove(vector_t *v, unsigned n)
+{
+	unsigned i;
+
+	v->count--;
+	for (i = n; i < v->count; i++)
+		v->data[i + 1] = v->data[i];
+}
diff --git a/src/vector.h b/src/vector.h
new file mode 100644
index 0000000..a903e79
--- /dev/null
+++ b/src/vector.h
@@ -0,0 +1,77 @@
+/*
+ * Calcurse - text-based organizer
+ *
+ * Copyright (c) 2004-2013 calcurse Development Team <misc@calcurse.org>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ *      - Redistributions of source code must retain the above
+ *        copyright notice, this list of conditions and the
+ *        following disclaimer.
+ *
+ *      - Redistributions in binary form must reproduce the above
+ *        copyright notice, this list of conditions and the
+ *        following disclaimer in the documentation and/or other
+ *        materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * Send your feedback or comments to : misc@calcurse.org
+ * Calcurse home page : http://calcurse.org
+ *
+ */
+
+#include "calcurse.h"
+
+typedef struct vector vector_t;
+struct vector {
+	unsigned count;
+	unsigned size;
+	void **data;
+};
+
+typedef int (*vector_fn_cmp_t) (const void *, const void *);
+typedef void (*vector_fn_free_t) (void *);
+
+/* Initialization and deallocation. */
+void vector_init(vector_t *, unsigned);
+void vector_free(vector_t *);
+void vector_free_inner(vector_t *, vector_fn_free_t);
+
+#define VECTOR_INIT(v, n) vector_init(v, n)
+#define VECTOR_FREE(v) vector_free(v)
+#define VECTOR_FREE_INNER(v, fn_free) \
+	vector_free_inner(v, (vector_fn_free_t)fn_free)
+
+/* Retrieving vector items. */
+void *vector_first(vector_t *);
+void *vector_nth(vector_t *, int);
+unsigned vector_count(vector_t *);
+
+#define VECTOR_FIRST(v) vector_first(v)
+#define VECTOR_NTH(v, n) vector_nth(v, n)
+#define VECTOR_COUNT(v) vector_count(v)
+
+#define VECTOR_FOREACH(v, i) for (i = 0; i < VECTOR_COUNT(v); i++)
+
+/* Vector manipulation. */
+void vector_add(vector_t *, void *);
+void vector_sort(vector_t *, vector_fn_cmp_t);
+void vector_remove(vector_t *, unsigned);
+
+#define VECTOR_ADD(v, data) vector_add(v, data)
+#define VECTOR_SORT(v, fn_cmp) vector_sort(v, (vector_fn_cmp_t)fn_cmp)
+#define VECTOR_REMOVE(v, i) vector_remove(v, i)