add fifo/lifo

examples/fifo.c

@@ -0,0 +1,57 @@
+/*
+ * This file is part of the usefull_macros project.
+ * Copyright 2018 Edward V. Emelianov <edward.emelianoff@gmail.com>, <eddy@sao.ru>.
+ *
+ * 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 3 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, see <http://www.gnu.org/licenses/>.
+ */
+#include <usefull_macros.h>
+#include <stdio.h>
+
+int main(int argc, char *argv[argc]) {
+    List *f = NULL;
+    printf("Available memory: %luMB\n", get_available_mem()/1024/1024);
+    //initial_setup(); - there's no need for this function if you don't use locale & don't want to have
+    // specific output in non-tty
+    if(argc == 1){
+        green("Usage:\n\t%s args - fill fifo with arguments\n", __progname);
+        return 1;
+    }
+    red("\n\nLIFO example\n");
+    for(int i = 1; i < argc; ++i){
+        if(!list_push(&f, argv[i])) ERR("Allocation error!");
+        green("push to list ");
+        printf("%s\n", argv[i]);
+    }
+    char *d;
+    printf("\n");
+    while(f){
+        d = list_pop(&f);
+        green("pull: ");
+        printf("%s\n", d);
+    }
+    red("\n\nFIFO example\n");
+    for(int i = 1; i < argc; ++i){
+        if(!list_push_tail(&f, argv[i])) ERR("Allocation error!");
+        green("push to list ");
+        printf("%s\n", argv[i]);
+    }
+    printf("\n");
+    while(f){
+        d = list_pop(&f);
+        green("pull: ");
+        printf("%s\n", d);
+        // after last usage we should FREE data, but here it is parameter of main()
+    }
+    return 0;
+}