intermediate changes

ref:cde9a383711a11544ce7e107a78147fb96cc4029

1 files changed, 84 insertions, 0 deletions

diff --git a/util/system/compat.h b/util/system/compat.h
new file mode 100644
index 0000000000..c53dbcca17
--- /dev/null
+++ b/util/system/compat.h
@@ -0,0 +1,84 @@
+#pragma once
+
+#include "defaults.h"
+
+#include <cstdarg>
+
+#include <csignal>
+
+#if defined(_unix_)
+    #include <unistd.h>
+#endif
+
+#if defined(_win_)
+    #include <process.h>
+#endif
+
+extern "C" {
+#if defined(_win_)
+    using pid_t = int;
+
+    inline unsigned int alarm(unsigned int /*seconds*/) {
+        return 0; // no alarm is currently set :)
+    }
+
+    #define SIGQUIT SIGBREAK // instead of 3
+    #define SIGKILL SIGTERM  // instead of 9
+    #define SIGPIPE 13       //will not receive under win?
+    #define SIGALRM 14       //will not receive under win?
+#endif
+
+#if defined(__FreeBSD__) || defined(_darwin_)
+    #define HAVE_NATIVE_GETPROGNAME
+#endif
+
+#ifndef HAVE_NATIVE_GETPROGNAME
+    const char* getprogname();
+#endif
+
+#if defined(_MSC_VER)
+    void err(int e, const char* m, ...);
+    void errx(int e, const char* m, ...);
+    void warn(const char* m, ...);
+    void warnx(const char* m, ...);
+    void vwarnx(const char* format, va_list ap);
+    void vwarn(const char* format, va_list ap);
+    void verrx(int status, const char* format, va_list ap);
+#else
+    #include <err.h>
+#endif
+}
+
+#ifdef _MSC_VER
+    #define popen _popen
+    #define pclose _pclose
+#endif
+
+#ifdef _win_
+    #define NAME_MAX FILENAME_MAX
+#endif
+#ifdef _sun_
+    #define NAME_MAX PATH_MAX
+#endif
+
+#ifdef _win_
+
+    #ifdef sleep // may be defined by perl
+        #undef sleep
+    #endif
+
+void sleep(i64 len);
+void usleep(i64 len);
+
+#endif
+
+#ifdef _win_
+int ftruncate(int fd, i64 length);
+int truncate(const char* name, i64 length);
+#endif
+
+#if defined(GNUC)
+    #ifndef va_copy
+        #define va_copy __va_copy
+    #endif
+#endif