1 files changed, 57 insertions, 0 deletions
diff --git a/util.h b/util.h
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+++ b/util.h
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+/**
+ * Copyright (C) 2020  Evgeny Zinoviev
+ * This file is part of isv <https://github.com/gch1p/isv>.
+ *
+ * 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/>.
+ */
+
+#ifndef ISV_UTIL_H
+#define ISV_UTIL_H
+
+#include <stdbool.h>
+#include <stdio.h>
+
+#include "util.h"
+
+extern bool g_verbose;
+
+#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
+#define UNUSED(x)     (void)(x)
+#define MIN(x, y)     ((x) < (y) ? (x) : (y))
+
+#define LOG(f_, ...) \
+    if (g_verbose) fprintf(stderr, (f_), ##__VA_ARGS__)
+
+#define ERROR(f_, ...) \
+    fprintf(stderr, (f_), ##__VA_ARGS__)
+
+#define HEXDUMP(mem, len) \
+    if (g_verbose) hexdump((mem), (len))
+
+#define FOREACH_OFSIZE(item, array, len) \
+    for (int loop_keep = 1, loop_count = 0; \
+        loop_keep && loop_count != (int)(len); \
+        loop_keep = !loop_keep, loop_count++) \
+        for (item = (array) + loop_count; loop_keep; loop_keep = !loop_keep)
+
+#define FOREACH(item, array) \
+    FOREACH_OFSIZE(item, array, ARRAY_SIZE(array))
+
+void hexdump(void *mem, unsigned int len);
+void substr_copy(char *dst, const char *src, int len);
+bool isnumeric(const char *s);
+bool isdatevalid(int y, int m, int d);
+bool instrarray(const char *needle, const char **list, size_t list_size, int *index);
+
+#endif //ISV_UTIL_H