X-Git-Url: https://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=ncurses%2Ftinfo%2Faccess.c;h=6c4df591784a074575d71c1727edd5fde7cd0354;hp=ce8ccdac53f68cbbd2533733d9006441d85c7d1f;hb=af4c589f0c605e1a1dd3825678a0b1a97df02d37;hpb=40df80d8d3f96c991f55569bce475e71cc38be12

diff --git a/ncurses/tinfo/access.c b/ncurses/tinfo/access.c
index ce8ccdac..6c4df591 100644
--- a/ncurses/tinfo/access.c
+++ b/ncurses/tinfo/access.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2006,2007 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2010,2011 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -33,12 +33,18 @@
 #include <curses.priv.h>
 
 #include <ctype.h>
-#include <sys/stat.h>
 
 #include <tic.h>
-#include <nc_alloc.h>
 
-MODULE_ID("$Id: access.c,v 1.14 2007/11/18 00:57:53 tom Exp $")
+MODULE_ID("$Id: access.c,v 1.20 2011/06/05 00:48:00 tom Exp $")
+
+#ifdef __TANDEM
+#define ROOT_UID 65535
+#endif
+
+#ifndef ROOT_UID
+#define ROOT_UID 0
+#endif
 
 #define LOWERCASE(c) ((isalpha(UChar(c)) && isupper(UChar(c))) ? tolower(UChar(c)) : (c))
 
@@ -97,7 +103,7 @@ _nc_pathlast(const char *path)
 	test = path;
     else
 	test++;
-    return (test - path);
+    return (unsigned) (test - path);
 }
 
 NCURSES_EXPORT(char *)
@@ -109,7 +115,11 @@ _nc_basename(char *path)
 NCURSES_EXPORT(int)
 _nc_access(const char *path, int mode)
 {
-    if (access(path, mode) < 0) {
+    int result;
+
+    if (path == 0) {
+	result = -1;
+    } else if (access(path, mode) < 0) {
 	if ((mode & W_OK) != 0
 	    && errno == ENOENT
 	    && strlen(path) < PATH_MAX) {
@@ -122,11 +132,14 @@ _nc_access(const char *path, int mode)
 	    if (head == leaf)
 		(void) strcpy(head, ".");
 
-	    return access(head, R_OK | W_OK | X_OK);
+	    result = access(head, R_OK | W_OK | X_OK);
+	} else {
+	    result = -1;
 	}
-	return -1;
+    } else {
+	result = 0;
     }
-    return 0;
+    return result;
 }
 
 NCURSES_EXPORT(bool)
@@ -136,7 +149,7 @@ _nc_is_dir_path(const char *path)
     struct stat sb;
 
     if (stat(path, &sb) == 0
-	&& (sb.st_mode & S_IFMT) == S_IFDIR) {
+	&& S_ISDIR(sb.st_mode)) {
 	result = TRUE;
     }
     return result;
@@ -149,7 +162,7 @@ _nc_is_file_path(const char *path)
     struct stat sb;
 
     if (stat(path, &sb) == 0
-	&& (sb.st_mode & S_IFMT) == S_IFREG) {
+	&& S_ISREG(sb.st_mode)) {
 	result = TRUE;
     }
     return result;
@@ -171,6 +184,7 @@ _nc_env_access(void)
 	|| getgid() != getegid())
 	return FALSE;
 #endif
-    return getuid() != 0 && geteuid() != 0;	/* ...finally, disallow root */
+    /* ...finally, disallow root */
+    return (getuid() != ROOT_UID) && (geteuid() != ROOT_UID);
 }
 #endif