at work

clib/cdynarr.c

@@ -0,0 +1,93 @@
+
+/*
+ *
+ * Copyright 2023 Oleg Borodin  <borodin@unix7.org>
+ *
+ */
+
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+
+#include <cdynarr.h>
+
+
+#define INIT_CAPA 64
+
+/* Integer array */
+cintarr_t* new_cintarr(void) {
+        cintarr_t* arr = malloc(sizeof(cintarr_t));
+        if (arr == NULL) return NULL;
+        if (cintarr_init(arr) == NULL) {
+            cintarr_free(arr);
+            return NULL;
+        }
+        return arr;
+}
+
+void* cintarr_init(cintarr_t* array) {
+    array->data = malloc(INIT_CAPA * sizeof(int64_t));
+    if (array->data == NULL) return NULL;
+    memset(array->data, 0, INIT_CAPA);
+    array->capa = INIT_CAPA;
+    array->size = 0;
+    return array->data;
+}
+
+void* cintarr_append(cintarr_t* array, int64_t add) {
+    if (array->size + 1 > array->capa) {
+        size_t newcapa = (array->capa * 10) / 6 ;
+        int64_t* newarray = realloc(array->data, newcapa);
+        if (newarray == NULL) return NULL;
+        array->capa = newcapa;
+        array->data = newarray;
+    }
+    array->data[array->size++] = add;
+    return array->data;
+}
+
+int64_t* cintarr_getref(cintarr_t* array) {
+    return array->data;
+}
+
+void cintarr_destroy(cintarr_t* array) {
+    if (array == NULL) return;
+    free(array->data);
+}
+
+void cintarr_free(cintarr_t* array) {
+    cintarr_destroy(array);
+    free(array->data);
+}
+
+
+/* Float array */
+void* cfltarr_init(cfltarr_t* array) {
+    array->data = malloc(INIT_CAPA * sizeof(double));
+    if (array->data == NULL) return NULL;
+    memset(array->data, 0, INIT_CAPA);
+    array->capa = INIT_CAPA;
+    array->size = 0;
+    return array->data;
+}
+
+void* cfltarr_append(cfltarr_t* array, double add) {
+    if (array->size + 1 > array->capa) {
+        size_t newcapa = (array->capa * 10) / 6 ;
+        double* newarray = realloc(array->data, newcapa);
+        if (newarray == NULL) return NULL;
+        array->capa = newcapa;
+        array->data = newarray;
+    }
+    array->data[array->size++] = add;
+    return array->data;
+}
+
+double* cfltarr_getref(cfltarr_t* array) {
+    return array->data;
+}
+
+void cfltarr_destroy(cfltarr_t* array) {
+    if (array == NULL) return;
+    free(array->data);
+}