getdate.y: reject an out-of-range timezone value

[gnulib.git] / lib / findprog.c

diff --git a/lib/findprog.c b/lib/findprog.c
index 301f11d..b064245 100644 (file)
--- a/lib/findprog.c
+++ b/lib/findprog.c
@@ -1,11 +1,11 @@
 /* Locating a program in PATH.
-   Copyright (C) 2001-2004, 2006 Free Software Foundation, Inc.
+   Copyright (C) 2001-2004, 2006-2008 Free Software Foundation, Inc.
    Written by Bruno Haible <haible@clisp.cons.org>, 2001.
 
-   This program is free software; you can redistribute it and/or modify
+   This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
-   the Free Software Foundation; either version 2, or (at your option)
-   any later version.
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
 
    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -13,8 +13,7 @@
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
-   along with this program; if not, write to the Free Software Foundation,
-   Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
 
 #include <config.h>
@@ -27,8 +26,13 @@
 #include <string.h>
 #include <unistd.h>
 
-#include "xalloc.h"
-#include "pathname.h"
+/* Avoid collision between findprog.c and findprog-lgpl.c.  */
+#if IN_FINDPROG_LGPL || ! GNULIB_FINDPROG_LGPL
+
+#if !IN_FINDPROG_LGPL
+# include "xalloc.h"
+#endif
+#include "concat-filename.h"
 
 
 const char *
@@ -57,7 +61,14 @@ find_in_path (const char *progname)
     return progname;
 
   /* Make a copy, to prepare for destructive modifications.  */
+# if !IN_FINDPROG_LGPL
   path = xstrdup (path);
+# else
+  path = strdup (path);
+  if (path == NULL)
+    /* Out of memory.  */
+    return progname;
+# endif
   for (path_rest = path; ; path_rest = cp + 1)
     {
       const char *dir;
@@ -76,7 +87,17 @@ find_in_path (const char *progname)
        dir = ".";
 
       /* Concatenate dir and progname.  */
-      progpathname = concatenated_pathname (dir, progname, NULL);
+# if !IN_FINDPROG_LGPL
+      progpathname = xconcatenated_filename (dir, progname, NULL);
+# else
+      progpathname = concatenated_filename (dir, progname, NULL);
+      if (progpathname == NULL)
+       {
+         /* Out of memory.  */
+         free (path);
+         return progname;
+       }
+# endif
 
       /* On systems which have the eaccess() system call, let's use it.
         On other systems, let's hope that this program is not installed
@@ -89,7 +110,7 @@ find_in_path (const char *progname)
            {
              free (progpathname);
 
-             /* Add the "./" prefix for real, that concatenated_pathname()
+             /* Add the "./" prefix for real, that xconcatenated_filename()
                 optimized away.  This avoids a second PATH search when the
                 caller uses execlp/execvp.  */
              progpathname = XNMALLOC (2 + strlen (progname) + 1, char);
@@ -113,3 +134,5 @@ find_in_path (const char *progname)
   return progname;
 #endif
 }
+
+#endif