--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/libmlk-util/mlk/util/util.h	Sat Oct 15 20:28:59 2022 +0200
@@ -0,0 +1,96 @@
+/*
+ * util.h -- miscellaneous utilities
+ *
+ * Copyright (c) 2020-2022 David Demelier <markand@malikania.fr>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef MLK_PORT_H
+#define MLK_PORT_H
+
+#include <limits.h>
+#include <stdio.h>
+
+/*
+ * This file helps finding what are the available features accross the various
+ * operating system in the landscape.
+ *
+ * The following macros are automatically set depending on the operating
+ * system:
+ *
+ * - MLK_OS_WINDOWS: running on any Windows machine
+ * - MLK_OS_POSIX: every mostly POSIX systems
+ *
+ * The following macro will be automatically defined unless the user override
+ * them:
+ *
+ * - MLK_HAS_FMEMOPEN: defined if fmemopen function is available.
+ * - MLK_HAS_SSIZE_T: defined if ssize_t typedef is available.
+ */
+
+#if defined(_WIN32)
+#       define MLK_OS_WINDOWS
+#elif defined(__FreeBSD__)
+#       define MLK_OS_POSIX
+#elif defined(__OpenBSD__)
+#       define MLK_OS_POSIX
+#elif defined(__NetBSD__)
+#       define MLK_OS_POSIX
+#elif defined(__linux__)
+#       define MLK_OS_POSIX
+#elif defined(__APPLE__)
+#       define MLK_OS_POSIX
+#       define MLK_OS_APPLE
+#endif
+
+#if !defined(PATH_MAX)
+#       define PATH_MAX 2048
+#endif
+
+#if defined(MLK_OS_POSIX) && !defined(MLK_HAS_SSIZE_T)
+#       define MLK_HAS_SSIZE_T
+#endif
+
+#if !defined(MLK_HAS_SSIZE_T)
+typedef long long int ssize_t;
+#endif
+
+#if defined(MLK_OS_POSIX) && !defined(MLK_HAS_FMEMOPEN)
+#       define MLK_HAS_FMEMOPEN
+#endif
+
+size_t
+util_strlcpy(char *, const char *, size_t);
+
+size_t
+util_strlcat(char *, const char *, size_t);
+
+FILE *
+util_fmemopen(void *, size_t, const char *);
+
+char *
+util_basename(char *);
+
+char *
+util_dirname(char *);
+
+extern int util_opterr;
+extern int util_optind;
+extern int util_optopt;
+extern char *util_optarg;
+
+int
+util_getopt(int, char **, const char *);
+
+#endif /* !MLK_PORT_H */