Make adjustment for MS VC and BCC compile of psql, from Dave Page.

src/bin/psql/win32.mak

@@ -60,7 +60,8 @@ CLEAN :
 
 CPP_PROJ=/nologo /MD /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D\
  "_MBCS" /Fp"$(INTDIR)\psql.pch" /YX /Fo"$(INTDIR)\\" /Fd"$(INTDIR)\\" /FD /c \
- /I ..\..\include /I ..\..\interfaces\libpq /D "HAVE_STRDUP" /D "FRONTEND"
+ /I ..\..\include /I ..\..\interfaces\libpq /I ..\..\include\port\win32 \
+ /D "HAVE_STRDUP" /D "FRONTEND"
 
 CPP_OBJS=.\Release/
 CPP_SBRS=.
@@ -71,6 +72,8 @@ LINK32_FLAGS=kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib\
  odbccp32.lib wsock32.lib /nologo /subsystem:console /incremental:no\
  /pdb:"$(OUTDIR)\psql.pdb" /machine:I386 /out:"$(OUTDIR)\psql.exe" 
 LINK32_OBJS= \
+	"$(INTDIR)\pgstrcasecmp.obj" \
+	"$(INTDIR)\exec.obj" \
 	"$(INTDIR)\command.obj" \
 	"$(INTDIR)\common.obj" \
 	"$(INTDIR)\help.obj" \
@@ -118,6 +121,16 @@ LINK32_OBJS= \
     $(CPP_PROJ) ..\..\port\path.c
 <<
 
+"$(INTDIR)\pgstrcasecmp.obj" : ..\..\port\pgstrcasecmp.c
+    $(CPP) @<<
+    $(CPP_PROJ) ..\..\port\pgstrcasecmp.c
+<<
+
+"$(INTDIR)\exec.obj" : ..\..\port\exec.c
+    $(CPP) @<<
+    $(CPP_PROJ) ..\..\port\exec.c
+<<
+
 .c{$(CPP_OBJS)}.obj::
    $(CPP) @<<
    $(CPP_PROJ) $< 

src/port/exec.c

@@ -7,7 +7,7 @@
  *
  *
  * IDENTIFICATION
- *	  $PostgreSQL: pgsql/src/port/exec.c,v 1.25 2004/08/29 05:07:02 momjian Exp $
+ *	  $PostgreSQL: pgsql/src/port/exec.c,v 1.26 2004/09/27 22:06:41 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -22,7 +22,11 @@
 #include <pwd.h>
 #include <sys/stat.h>
 #include <sys/wait.h>
+#if !defined(_MSC_VER) && !defined(__BORLANDC__)
 #include <unistd.h>
+#else
+#include "port/win32.h"
+#endif
 
 #include "miscadmin.h"
 
@@ -71,7 +75,7 @@ validate_exec(const char *path)
 	int			in_grp = 0;
 
 #else
-	char		path_exe[MAXPGPATH + 2 + strlen(".exe")];
+	char		path_exe[MAXPGPATH + sizeof(".exe") - 1];
 #endif
 	int			is_r = 0;
 	int			is_x = 0;
@@ -176,7 +180,11 @@ find_my_exec(const char *argv0, char *retpath)
 				test_path[MAXPGPATH];
 	char	   *path;
 
+#if !defined(_MSC_VER) && !defined(__BORLANDC__)
 	if (!getcwd(cwd, MAXPGPATH))
+#else
+	if (!GetCurrentDirectory(MAXPGPATH, cwd))
+#endif
 		cwd[0] = '\0';
 
 	/*
@@ -387,8 +395,8 @@ pipe_read_line(char *cmd, char *line, int maxsize)
 			bytesread > 0)
 		{
 			/* So we read some data */
-			retval = line;
 			int			len = strlen(line);
+			retval = line;
 
 			/*
 			 * If EOL is \r\n, convert to just \n. Because stdout is a