From deda2c0fd8689349fea2a900199a76ff7ecb319e Mon Sep 17 00:00:00 2001
From: Bryan Newbold <bnewbold@robocracy.org>
Date: Mon, 20 Feb 2017 00:05:26 -0800
Subject: Import Upstream version 5d6

---
 findexec.c | 125 ++++++++++++++++++++++++++++++++++++-------------------------
 1 file changed, 74 insertions(+), 51 deletions(-)

(limited to 'findexec.c')

diff --git a/findexec.c b/findexec.c
index b6d648b..4992775 100644
--- a/findexec.c
+++ b/findexec.c
@@ -37,54 +37,72 @@ Wed Feb 21 23:06:35 1996  Aubrey Jaffer  <jaffer@jacal.bertronics>
    filename.  A new copy of the complete path name of that file is
    returned.  This new string may be disposed by free() later on.  */
 
-#include <sys/file.h>
-#include <sys/param.h>
-#ifdef linux
-# include <stdlib.h>
-# include <sys/stat.h>
-# include <unistd.h>     /* for X_OK define */
-#endif
-#ifdef __svr4__
-# include <string.h>
-# include <stdlib.h>
-# include <sys/stat.h>
-# include <unistd.h>     /* for X_OK define */
-#else
-# ifdef __sgi__
+#ifndef __MINGW32__
+# ifndef PLAN9
+#  include <sys/file.h>
+#  include <sys/param.h>
+# endif
+# ifdef linux
+#  include <stdlib.h>
+#  include <sys/stat.h>
+#  include <unistd.h>     /* for X_OK define */
+# endif
+# ifdef __SVR4
 #  include <string.h>
 #  include <stdlib.h>
 #  include <sys/stat.h>
 #  include <unistd.h>     /* for X_OK define */
 # else
-#  include <strings.h>
+#  ifdef __sgi__
+#   include <string.h>
+#   include <stdlib.h>
+#   include <sys/stat.h>
+#   include <unistd.h>     /* for X_OK define */
+#  else
+#   ifdef PLAN9
+#    include <u.h>
+#    include <libc.h>
+#    define getcwd getwd
+#    define MAXPATHLEN 256 	/* arbitrary? */
+#    define X_OK AEXEC
+#   else
+#    include <strings.h>
+#   endif
+#  endif
+# endif
+# ifdef __amigaos__
+#  include <stdlib.h>
+#  include <sys/stat.h>
+#  include <unistd.h>
+# endif
+# ifndef __STDC__
+#  define const /**/
+# endif
+# ifdef __FreeBSD__
+/* This might be same for 44bsd derived system. */
+#  include <sys/types.h>
+#  include <sys/stat.h>
 # endif
-#endif
-#ifdef __amigados__
-# include <stdlib.h>
-# include <sys/stat.h>
-# include <unistd.h>
-#endif
-#ifndef __STDC__
-# define const /**/
-#endif
-#ifdef __FreeBSD__
+# ifdef __OpenBSD__
 /* This might be same for 44bsd derived system. */
-# include <sys/types.h>
-# include <sys/stat.h>
-#endif
-#ifdef __alpha
-# include <string.h>
-# include <stdlib.h>
-# include <sys/types.h>
-# include <sys/stat.h>
-#endif
-#ifdef GO32
-# include <sys/stat.h>
-#endif
-
-#ifndef DEFAULT_PATH
-# define DEFAULT_PATH ".:~/bin::/usr/local/bin:/usr/new:/usr/ucb:/usr/bin:/bin:/usr/hosts"
-#endif
+#  include <stdlib.h>
+#  include <unistd.h>
+#  include <sys/types.h>
+#  include <sys/stat.h>
+# endif
+# ifdef __alpha
+#  include <string.h>
+#  include <stdlib.h>
+#  include <sys/types.h>
+#  include <sys/stat.h>
+# endif
+# ifdef GO32
+#  include <sys/stat.h>
+# endif
+
+# ifndef DEFAULT_PATH
+#  define DEFAULT_PATH ".:~/bin::/usr/local/bin:/usr/new:/usr/ucb:/usr/bin:/bin:/usr/hosts"
+# endif
 
 static char *copy_of(s)
      register const char *s;
@@ -97,12 +115,12 @@ static char *copy_of(s)
 }
 
 /* ABSOLUTE_FILENAME_P(fname): True if fname is an absolute filename */
-#ifdef atarist
-# define ABSOLUTE_FILENAME_P(fname)	((fname[0] == '/') || \
+# ifdef atarist
+#  define ABSOLUTE_FILENAME_P(fname)	((fname[0] == '/') || \
 	(fname[0] && (fname[1] == ':')))
-#else
-# define ABSOLUTE_FILENAME_P(fname)	(fname[0] == '/')
-#endif /* atarist */
+# else
+#  define ABSOLUTE_FILENAME_P(fname)	(fname[0] == '/')
+# endif /* atarist */
 
 char *dld_find_executable(name)
      const char *name;
@@ -155,16 +173,21 @@ char *dld_find_executable(name)
     strcat(tbuf, name);
 
     if (access(tbuf, X_OK) == 0) {
-#ifndef hpux
-# ifndef ultrix
+# ifndef hpux
+#  ifndef ultrix
+#   ifndef __MACH__
+#    ifndef PLAN9
       struct stat stat_temp;
-      if (stat(tbuf,&stat_temp)) continue;
+      if (stat(tbuf, &stat_temp)) continue;
       if (S_IFREG != (S_IFMT & stat_temp.st_mode)) continue;
-# endif/* ultrix */
-#endif /* hpux */
+#    endif /* PLAN9 */
+#   endif /* __MACH__ */
+#  endif/* ultrix */
+# endif /* hpux */
       return copy_of(tbuf);
     }
   }
 
   return 0;
 }
+#endif /* ndef MSDOS */
-- 
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