build fix for TurboC, fix findfirst (broken by previous truename changes)

Author: PerditionC

kernel/dosfns.c

@@ -28,11 +28,6 @@
 
 #include "portab.h"
 
-#ifdef VERSION_STRINGS
-static BYTE *dosfnsRcsId =
-    "$Id: dosfns.c 1564 2011-04-08 18:27:48Z bartoldeman $";
-#endif
-
 #include "globals.h"
 #include "debug.h"
 
@@ -975,7 +970,6 @@ COUNT DosGetExtFree(BYTE FAR * DriveString, struct xfreespace FAR * xfsp)
 COUNT DosGetCuDir(UBYTE drive, BYTE FAR * s)
 {
   char path[3];
-  short result;
 
   if (drive-- == 0) /* get default drive or convert to 0 = A:, 1 = B:, ... */
     drive = default_drive;
@@ -984,11 +978,8 @@ COUNT DosGetCuDir(UBYTE drive, BYTE FAR * s)
   path[2] = '\0';
 
   DebugPrintf(("CWD [%s]\n", path));
-  if ((result = truename(path, PriPathName, CDS_MODE_SKIP_PHYSICAL)) < SUCCESS)
-  {
-    DebugPrintf(("CWD failed 0x%0x\n", result));
+  if (truename(path, PriPathName, CDS_MODE_SKIP_PHYSICAL) < SUCCESS)
     return DE_INVLDDRV;
-  }
 
   /* skip d:\ */
   fstrcpy(s, PriPathName + 3);
@@ -1476,7 +1467,7 @@ COUNT DosTruename(const char FAR *src, char FAR *dest)
      Therefore, the name is created in an internal buffer
      and copied into the user buffer only on success.
   */  
-  COUNT rc = truename(src, PriPathName, CDS_MODE_ALLOW_WILDCARDS|CDS_MODE_CHECK_DEV_PATH);
+  COUNT rc = truename(src, PriPathName, CDS_MODE_ALLOW_WILDCARDS);
   if (rc >= SUCCESS)
   {
     fstrcpy(dest, PriPathName);

kernel/inthndlr.c

@@ -170,6 +170,7 @@ VOID ASMCFUNC int21_syscall(iregs FAR * irp)
 #ifdef DEBUG
         case 0xfe:
           bDumpRegs = !bDumpRegs;
+          irp->AX = bDumpRegs;
           break;
 #endif
 

kernel/newstuff.c

@@ -326,7 +326,7 @@ COUNT truename(const char FAR * src, char * dest, COUNT mode)
      When given a character device, Truename or Open allows device name to be prefixed by invalid
      drive letter and\or optional \DEV\ directory prefix, however any other directory including
      root path (\) will always return error. However, if drive is valid, then for character 
-     devices any path may be provided.
+     devices any path may be provided for truename but not findfirst [which path must be valid].
      For example:
        CON will use default drive and assuming default is X: then same as X:CON
        X:CON and X:\DEV\CON will succeed regardless if X: is valid or not
@@ -346,11 +346,12 @@ COUNT truename(const char FAR * src, char * dest, COUNT mode)
   /* is this a character device (dhp != NULL)? if so check special cases 
      if cdsEntry is not NULL then valid drive, so any path acceptable for character device
   */
-  if (dhp && (mode & CDS_MODE_CHECK_DEV_PATH) && (cdsEntry == NULL))
+  if (dhp && (cdsEntry == NULL))
   {
     /* determine if drive letter provided (we know at least 1 character long) */
     const char FAR *s = src+1;
     const char FAR *hasSlash;
+    
     if (*s == ':') s++; else s--; /* skip drive (X:) if provided */    
     /* s points to start of device name or path, just past optional drive letter */
 
@@ -679,6 +680,10 @@ COUNT truename(const char FAR * src, char * dest, COUNT mode)
     }
     /* nothing found => continue normally */
   }
+  if ((mode & CDS_MODE_CHECK_DEV_PATH) &&
+      ((result & (IS_DEVICE|IS_NETWORK)) == IS_DEVICE) &&
+      dest[2] != '/' && !dir_exists(dest))
+    return DE_PATHNOTFND;
 
   /* Note: Not reached on error or if JOIN or QRemote_Fn (2f.1123) matched */
   if (mode==CDS_MODE_ALLOW_WILDCARDS) /* DosTruename mode */