From: Pierre Habouzit <madcoder@madism.org>
Date: Sat, 18 Nov 2006 17:19:58 +0000 (+0100)
Subject: *oops* I forgot to add those.
X-Git-Url: http://git.madism.org/?p=apps%2Fmadmutt.git;a=commitdiff_plain;h=e176d53ddc6abf804824cad054a424f45c0a945e

*oops* I forgot to add those.

Signed-off-by: Pierre Habouzit <madcoder@madism.org>
---

diff --git a/lib-lib/array.c b/lib-lib/array.c
new file mode 100644
index 0000000..c497462
--- /dev/null
+++ b/lib-lib/array.c
@@ -0,0 +1,50 @@
+/*
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or (at
+ *  your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful, but
+ *  WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ *  MA 02110-1301, USA.
+ *
+ *  Copyright © 2006 Pierre Habouzit
+ */
+
+#include "lib-lib.h"
+
+void *__array_take(__array *a, ssize_t pos)
+{
+    void *ptr;
+
+    if (pos >= a->len || pos < 0) {
+        return NULL;
+    }
+
+    ptr = a->arr[pos];
+    a->len--;
+    memmove(a->arr + pos, a->arr + pos + 1, (a->len - pos) * sizeof(void*));
+    return ptr;
+}
+
+#define SIZE_AUGMENT  32
+
+void __array_insert(__array *a, ssize_t pos, void *item)
+{
+    pos = MAX(0, MIN(a->len, pos));
+
+    if (a->len >= a->size) {
+        p_realloc(&a->arr, a->size + SIZE_AUGMENT);
+        a->size += SIZE_AUGMENT;
+    }
+
+    memmove(a->arr + pos + 1, a->arr + pos, (a->len - pos) * sizeof(void *));
+    a->arr[pos] = item;
+    a->len++;
+}
diff --git a/lib-lib/array.h b/lib-lib/array.h
new file mode 100644
index 0000000..f0f6c9c
--- /dev/null
+++ b/lib-lib/array.h
@@ -0,0 +1,60 @@
+/*
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or (at
+ *  your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful, but
+ *  WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ *  MA 02110-1301, USA.
+ *
+ *  Copyright © 2006 Pierre Habouzit
+ */
+
+#ifndef MUTT_LIB_LIB_ARRAY_H
+#define MUTT_LIB_LIB_ARRAY_H
+
+#define DO_ARRAY_TYPE(type, prefix)            \
+    typedef struct prefix##_array {            \
+        type **arr;                            \
+        ssize_t len;                           \
+        ssize_t size;                          \
+    } prefix##_array
+
+#define DO_ARRAY_FUNCS(type, prefix, dtor)                                    \
+                                                                              \
+    static inline void prefix##_array_init(prefix##_array *array) {           \
+        p_clear(array, 1);                                                    \
+    }                                                                         \
+    static inline void                                                        \
+    prefix##_array_wipe(prefix##_array *array) {                              \
+        while (array->len) {                                                  \
+            (dtor)(&array->arr[--array->len]);                                \
+        }                                                                     \
+        p_delete(&array->arr);                                                \
+    }                                                                         \
+                                                                              \
+    static inline void                                                        \
+    prefix##_array_insert(prefix##_array *array, ssize_t pos, type *item) {   \
+        __array_insert((__array *)array, pos, (void*)item);                   \
+    }                                                                         \
+    static inline void                                                        \
+    prefix##_array_append(prefix##_array *array, type *item) {                \
+        __array_insert((__array *)array, array->len, (void*)item);            \
+    }                                                                         \
+    static inline type *                                                      \
+    prefix##_array_take(prefix##_array *array, ssize_t pos) {                 \
+        return (type *)__array_take((__array *)array, pos);                   \
+    }
+
+DO_ARRAY_TYPE(void, _);
+void __array_insert(__array *array, ssize_t pos, void *item);
+void *__array_take(__array *array, ssize_t pos);
+
+#endif /* MUTT_LIB_LIB_ARRAY_H */