Change license from GPLv2+ to GPLv3+.

[pspp-builds.git] / src / data / file-name.c

diff --git a/src/data/file-name.c b/src/data/file-name.c
index 2e8dd76239922edce1d9e2fa49ef6a76df7fecd5..2ad3311a2dfb3c2824df8009d18b16f843540bd6 100644 (file)
--- a/src/data/file-name.c
+++ b/src/data/file-name.c
@@ -1,20 +1,18 @@
-/* PSPP - computes sample statistics.
+/* PSPP - a program for statistical analysis.
    Copyright (C) 1997-9, 2000, 2006, 2007 Free Software Foundation, Inc.
 
-   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 of the
-   License, or (at your option) any later version.
+   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 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
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   General Public License for more details.
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   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>
 
@@ -64,7 +62,7 @@ fn_init (void)
    properly handling the case where SRC is a substring of DST.
    Variables are as defined by GETENV. Supports $var and ${var}
    syntaxes; $$ substitutes as $. */
-void 
+void
 fn_interp_vars (struct substring src, const char *(*getenv) (const char *),
                 struct string *dst_)
 {
@@ -72,7 +70,7 @@ fn_interp_vars (struct substring src, const char *(*getenv) (const char *),
   int c;
 
   while ((c = ss_get_char (&src)) != EOF)
-    if (c != '$') 
+    if (c != '$')
       ds_put_char (&dst, c);
     else
       {
@@ -98,7 +96,7 @@ fn_interp_vars (struct substring src, const char *(*getenv) (const char *),
             ds_truncate (&dst, start);
 
             ds_put_cstr (&dst, value);
-          } 
+          }
       }
 
   ds_swap (&dst, dst_);
@@ -164,7 +162,7 @@ fn_dir_name (const char *file_name)
    If FILE_NAME does not have an extension, returns an empty
    string. */
 char *
-fn_extension (const char *file_name) 
+fn_extension (const char *file_name)
 {
   const char *extension = strrchr (file_name, '.');
   if (extension == NULL)
@@ -256,13 +254,13 @@ fn_open (const char *fn, const char *mode)
 {
   assert (mode[0] == 'r' || mode[0] == 'w');
 
-  if (mode[0] == 'r' && (!strcmp (fn, "stdin") || !strcmp (fn, "-"))) 
+  if (mode[0] == 'r' && (!strcmp (fn, "stdin") || !strcmp (fn, "-")))
     return stdin;
   else if (mode[0] == 'w' && (!strcmp (fn, "stdout") || !strcmp (fn, "-")))
     return stdout;
   else if (mode[0] == 'w' && !strcmp (fn, "stderr"))
     return stderr;
-  
+
 #if HAVE_POPEN
   if (fn[0] == '|')
     {
@@ -278,11 +276,11 @@ fn_open (const char *fn, const char *mode)
 
       if (get_safer_mode ())
        return safety_violation (fn);
-      
+
       s = local_alloc (strlen (fn));
       memcpy (s, fn, strlen (fn) - 1);
       s[strlen (fn) - 1] = 0;
-      
+
       f = popen (s, mode);
 
       local_free (s);
@@ -322,7 +320,7 @@ fn_close (const char *fn, FILE *f)
 
 #if !(defined _WIN32 || defined __WIN32__)
 /* A file's identity. */
-struct file_identity 
+struct file_identity
 {
   dev_t device;               /* Device number. */
   ino_t inode;                /* Inode number. */
@@ -333,13 +331,13 @@ struct file_identity
    same file.  Returns a null pointer if no information about the
    file is available, perhaps because it does not exist.  The
    caller is responsible for freeing the structure with
-   fn_free_identity() when finished. */  
+   fn_free_identity() when finished. */
 struct file_identity *
-fn_get_identity (const char *file_name) 
+fn_get_identity (const char *file_name)
 {
   struct stat s;
 
-  if (stat (file_name, &s) == 0) 
+  if (stat (file_name, &s) == 0)
     {
       struct file_identity *identity = xmalloc (sizeof *identity);
       identity->device = s.st_dev;
@@ -352,7 +350,7 @@ fn_get_identity (const char *file_name)
 
 /* Frees IDENTITY obtained from fn_get_identity(). */
 void
-fn_free_identity (struct file_identity *identity) 
+fn_free_identity (struct file_identity *identity)
 {
   free (identity);
 }
@@ -360,7 +358,7 @@ fn_free_identity (struct file_identity *identity)
 /* Compares A and B, returning a strcmp()-type result. */
 int
 fn_compare_file_identities (const struct file_identity *a,
-                            const struct file_identity *b) 
+                            const struct file_identity *b)
 {
   assert (a != NULL);
   assert (b != NULL);
@@ -371,7 +369,7 @@ fn_compare_file_identities (const struct file_identity *a,
 }
 #else /* Windows */
 /* A file's identity. */
-struct file_identity 
+struct file_identity
 {
   char *normalized_file_name;  /* File's normalized name. */
 };
@@ -381,9 +379,9 @@ struct file_identity
    same file.  Returns a null pointer if no information about the
    file is available, perhaps because it does not exist.  The
    caller is responsible for freeing the structure with
-   fn_free_identity() when finished. */  
+   fn_free_identity() when finished. */
 struct file_identity *
-fn_get_identity (const char *file_name) 
+fn_get_identity (const char *file_name)
 {
   struct file_identity *identity = xmalloc (sizeof *identity);
   char cname[PATH_MAX];
@@ -398,9 +396,9 @@ fn_get_identity (const char *file_name)
 
 /* Frees IDENTITY obtained from fn_get_identity(). */
 void
-fn_free_identity (struct file_identity *identity) 
+fn_free_identity (struct file_identity *identity)
 {
-  if (identity != NULL) 
+  if (identity != NULL)
     {
       free (identity->normalized_file_name);
       free (identity);
@@ -410,7 +408,7 @@ fn_free_identity (struct file_identity *identity)
 /* Compares A and B, returning a strcmp()-type result. */
 int
 fn_compare_file_identities (const struct file_identity *a,
-                            const struct file_identity *b) 
+                            const struct file_identity *b)
 {
   return strcasecmp (a->normalized_file_name, b->normalized_file_name);
 }