initial commit from asl-1.41r8.tar.gzHEADmaster

1 files changed, 110 insertions, 0 deletions

diff --git a/stdhandl.c b/stdhandl.c
new file mode 100644
index 0000000..d47c7dd
--- /dev/null
+++ b/stdhandl.c
@@ -0,0 +1,110 @@
+/* stdhandl.c */
+/*****************************************************************************/
+/* AS-Portierung                                                             */
+/*                                                                           */
+/* Bereitstellung von fuer AS benoetigten Handle-Funktionen                  */
+/*                                                                           */
+/* Historie:  5. 4.1996 Grundsteinlegung                                     */
+/*                                                                           */
+/*****************************************************************************/
+
+#include "stdinc.h"
+#include <string.h>
+#include <sys/stat.h>
+#include "stdhandl.h"
+
+#if defined ( __EMX__ ) || defined ( __IBMC__ )
+#include <os2.h>
+#endif
+
+#ifdef __TURBOC__
+#include <io.h>
+#endif
+
+#ifndef S_ISCHR
+#ifdef __IBMC__
+#define S_ISCHR(m)    ((m) & S_IFCHR)
+#else
+#define S_ISCHR(m)    (((m) & S_IFMT) == S_IFCHR)
+#endif
+#endif
+#ifndef S_ISREG
+#ifdef __IBMC__
+#define S_ISREG(m)    ((m) & S_IFREG)
+#else
+#define S_ISREG(m)    (((m) & S_IFMT) == S_IFREG)
+#endif
+#endif
+
+TRedirected Redirected;
+
+/* eine Textvariable auf einen der Standardkanaele umbiegen.  Die Reduzierung
+   der Puffergroesse auf fast Null verhindert, dass durch Pufferung evtl. Ausgaben
+   durcheinandergehen. */
+
+        static void AssignHandle(FILE **T, Word Num)
+BEGIN
+#ifdef NODUP
+   switch (Num)
+    BEGIN
+     case 0: *T=stdin; break;
+     case 1: *T=stdout; break;
+     case 2: *T=stderr; break;
+     default: *T=Nil;
+    END
+#else
+   *T=fdopen(dup(Num),"w");
+#ifndef _WIN32t
+   setbuf(*T,Nil);
+#endif
+#endif
+END
+
+/* Eine Datei unter Beruecksichtigung der Standardkanaele oeffnen */
+
+        void RewriteStandard(FILE **T, String Path)
+BEGIN
+   if ((strlen(Path)==2) AND (Path[0]=='!') AND (Path[1]>='0') AND (Path[1]<='2'))
+    AssignHandle(T,Path[1]-'0');
+   else *T=fopen(Path,"w");
+END
+
+	void stdhandl_init(void)
+BEGIN
+#ifdef __EMX__
+   ULONG HandType,DevAttr;
+
+#else
+#ifdef __TURBOC__
+   int HandErg;
+
+#else
+   struct stat stdout_stat;
+
+#endif
+#endif   
+
+   /* wohin zeigt die Standardausgabe ? */
+
+#ifdef __EMX__
+   DosQueryHType(1,&HandType,&DevAttr);
+   if ((HandType & 0xff)==FHT_DISKFILE) Redirected=RedirToFile;
+   else if ((DevAttr & 2)==0) Redirected=RedirToDevice;
+   else Redirected=NoRedir;
+
+#else
+#ifdef __TURBOC__
+   HandErg=ioctl(1,0x00);
+   if ((HandErg & 2)==2) Redirected=NoRedir;
+   else if ((HandErg & 0x8000)==0) Redirected=RedirToFile;
+   else Redirected=RedirToDevice;
+
+#else
+   fstat(fileno(stdout),&stdout_stat);
+   if (S_ISREG(stdout_stat.st_mode)) Redirected=RedirToFile;
+   else if (S_ISCHR(stdout_stat.st_mode)) Redirected=RedirToDevice;
+   else Redirected=NoRedir;
+
+#endif
+#endif   
+END