Rename sys_linux.c to sys_unix.c, which is more accurate.

[xonotic/darkplaces.git] / sys_unix.c

diff --git a/sys_unix.c b/sys_unix.c
new file mode 100644 (file)
index 0000000..24ea648
--- /dev/null
+++ b/sys_unix.c
@@ -0,0 +1,175 @@
+
+#ifdef WIN32
+#include <windows.h>
+#include <mmsystem.h>
+#include <io.h>
+#include "conio.h"
+#else
+#include <sys/time.h>
+#include <unistd.h>
+#include <fcntl.h>
+#endif
+
+#include <signal.h>
+
+#include "quakedef.h"
+
+sys_t sys;
+
+// =======================================================================
+// General routines
+// =======================================================================
+void Sys_Shutdown (void)
+{
+       fcntl (0, F_SETFL, fcntl (0, F_GETFL, 0) & ~O_NDELAY);
+       fflush(stdout);
+}
+
+void Sys_Error (const char *error, ...)
+{
+       va_list argptr;
+       char string[MAX_INPUTLINE];
+
+// change stdin to non blocking
+       fcntl (0, F_SETFL, fcntl (0, F_GETFL, 0) & ~O_NDELAY);
+
+       va_start (argptr,error);
+       dpvsnprintf (string, sizeof (string), error, argptr);
+       va_end (argptr);
+
+       Con_Printf(CON_ERROR "Engine Error: %s\n", string);
+
+       Host_Shutdown ();
+       exit (1);
+}
+
+void Sys_PrintToTerminal(const char *text)
+{
+       if(sys.outfd < 0)
+               return;
+       // BUG: for some reason, NDELAY also affects stdout (1) when used on stdin (0).
+       // this is because both go to /dev/tty by default!
+       {
+               int origflags = fcntl (sys.outfd, F_GETFL, 0);
+               fcntl (sys.outfd, F_SETFL, origflags & ~O_NDELAY);
+#ifdef WIN32
+#define write _write
+#endif
+               while(*text)
+               {
+                       fs_offset_t written = (fs_offset_t)write(sys.outfd, text, (int)strlen(text));
+                       if(written <= 0)
+                               break; // sorry, I cannot do anything about this error - without an output
+                       text += written;
+               }
+               fcntl (sys.outfd, F_SETFL, origflags);
+       }
+       //fprintf(stdout, "%s", text);
+}
+
+char *Sys_ConsoleInput(void)
+{
+       //if (cls.state == ca_dedicated)
+       {
+               static char text[MAX_INPUTLINE];
+               static unsigned int len = 0;
+#ifdef WIN32
+               int c;
+
+               // read a line out
+               while (_kbhit ())
+               {
+                       c = _getch ();
+                       if (c == '\r')
+                       {
+                               text[len] = '\0';
+                               _putch ('\n');
+                               len = 0;
+                               return text;
+                       }
+                       if (c == '\b')
+                       {
+                               if (len)
+                               {
+                                       _putch (c);
+                                       _putch (' ');
+                                       _putch (c);
+                                       len--;
+                               }
+                               continue;
+                       }
+                       if (len < sizeof (text) - 1)
+                       {
+                               _putch (c);
+                               text[len] = c;
+                               len++;
+                       }
+               }
+#else
+               fd_set fdset;
+               struct timeval timeout;
+               FD_ZERO(&fdset);
+               FD_SET(0, &fdset); // stdin
+               timeout.tv_sec = 0;
+               timeout.tv_usec = 0;
+               if (select (1, &fdset, NULL, NULL, &timeout) != -1 && FD_ISSET(0, &fdset))
+               {
+                       len = read (0, text, sizeof(text) - 1);
+                       if (len >= 1)
+                       {
+                               // rip off the \n and terminate
+                               // div0: WHY? console code can deal with \n just fine
+                               // this caused problems with pasting stuff into a terminal window
+                               // so, not ripping off the \n, but STILL keeping a NUL terminator
+                               text[len] = 0;
+                               return text;
+                       }
+               }
+#endif
+       }
+       return NULL;
+}
+
+char *Sys_GetClipboardData (void)
+{
+       return NULL;
+}
+
+void Sys_InitConsole (void)
+{
+}
+
+int main (int argc, char **argv)
+{
+       signal(SIGFPE, SIG_IGN);
+       sys.selffd = -1;
+       sys.argc = argc;
+       sys.argv = (const char **)argv;
+       Sys_ProvideSelfFD();
+
+       // COMMANDLINEOPTION: sdl: -noterminal disables console output on stdout
+       if(COM_CheckParm("-noterminal"))
+               sys.outfd = -1;
+       // COMMANDLINEOPTION: sdl: -stderr moves console output to stderr
+       else if(COM_CheckParm("-stderr"))
+               sys.outfd = 2;
+       else
+               sys.outfd = 1;
+
+       fcntl(0, F_SETFL, fcntl (0, F_GETFL, 0) | O_NDELAY);
+
+       Host_Main();
+
+       return 0;
+}
+
+qboolean sys_supportsdlgetticks = false;
+unsigned int Sys_SDL_GetTicks (void)
+{
+       Sys_Error("Called Sys_SDL_GetTicks on non-SDL target");
+       return 0;
+}
+void Sys_SDL_Delay (unsigned int milliseconds)
+{
+       Sys_Error("Called Sys_SDL_Delay on non-SDL target");
+}