X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/575619af5e1f61a5f78fb3910bee424ead5fe5a6..026816664ff8283a55f91915843a8ff0ac5cf86c:/src/files.c

diff --git a/src/files.c b/src/files.c
index ba770530..76aa7fe3 100644
--- a/src/files.c
+++ b/src/files.c
@@ -1,6 +1,6 @@
 /* Open and close files for Bison.
 
-   Copyright (C) 1984, 1986, 1989, 1992, 2000-2011 Free Software
+   Copyright (C) 1984, 1986, 1989, 1992, 2000-2013 Free Software
    Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
@@ -25,6 +25,7 @@
 #include <dirname.h>
 #include <get-errno.h>
 #include <quote.h>
+#include <quotearg.h>
 #include <stdio-safer.h>
 #include <xstrndup.h>
 
@@ -33,7 +34,7 @@
 #include "getargs.h"
 #include "gram.h"
 
-/* Initializing some values below (such SPEC_NAME_PREFIX to `yy') is
+/* Initializing some values below (such SPEC_NAME_PREFIX to 'yy') is
    tempting, but don't do that: for the time being our handling of the
    %directive vs --option leaves precedence to the options by deciding
    that if a %directive sets a variable which is really set (i.e., not
@@ -57,20 +58,20 @@ uniqstr grammar_file = NULL;
 uniqstr current_file = NULL;
 
 /* If --output=dir/foo.c was specified,
-   DIR_PREFIX is `dir/' and ALL_BUT_EXT and ALL_BUT_TAB_EXT are `dir/foo'.
+   DIR_PREFIX is 'dir/' and ALL_BUT_EXT and ALL_BUT_TAB_EXT are 'dir/foo'.
 
-   If --output=dir/foo.tab.c was specified, DIR_PREFIX is `dir/',
-   ALL_BUT_EXT is `dir/foo.tab', and ALL_BUT_TAB_EXT is `dir/foo'.
+   If --output=dir/foo.tab.c was specified, DIR_PREFIX is 'dir/',
+   ALL_BUT_EXT is 'dir/foo.tab', and ALL_BUT_TAB_EXT is 'dir/foo'.
 
    If --output was not specified but --file-prefix=dir/foo was specified,
-   ALL_BUT_EXT = `foo.tab' and ALL_BUT_TAB_EXT = `foo'.
+   ALL_BUT_EXT = 'foo.tab' and ALL_BUT_TAB_EXT = 'foo'.
 
    If neither --output nor --file was specified but the input grammar
-   is name dir/foo.y, ALL_BUT_EXT and ALL_BUT_TAB_EXT are `foo'.
+   is name dir/foo.y, ALL_BUT_EXT and ALL_BUT_TAB_EXT are 'foo'.
 
    If neither --output nor --file was specified, DIR_PREFIX is the
    empty string (meaning the current directory); otherwise it is
-   `dir/'.  */
+   'dir/'.  */
 
 char *all_but_ext;
 static char *all_but_tab_ext;
@@ -78,7 +79,7 @@ char *dir_prefix;
 
 /* C source file extension (the parser source).  */
 static char *src_extension = NULL;
-/* Header file extension (if option ``-d'' is specified).  */
+/* Header file extension (if option '`-d'' is specified).  */
 static char *header_extension = NULL;
 
 /*-----------------------------------------------------------------.
@@ -109,7 +110,8 @@ xfopen (const char *name, const char *mode)
 
   ptr = fopen_safer (name, mode);
   if (!ptr)
-    error (EXIT_FAILURE, get_errno (), _("cannot open file `%s'"), name);
+    error (EXIT_FAILURE, get_errno (),
+           _("%s: cannot open"), quotearg_colon (name));
 
   return ptr;
 }
@@ -125,13 +127,25 @@ xfclose (FILE *ptr)
     return;
 
   if (ferror (ptr))
-    error (EXIT_FAILURE, 0, _("I/O error"));
+    error (EXIT_FAILURE, 0, _("input/output error"));
 
   if (fclose (ptr) != 0)
     error (EXIT_FAILURE, get_errno (), _("cannot close file"));
 }
 
 
+FILE *
+xfdopen (int fd, char const *mode)
+{
+  FILE *res = fdopen (fd, mode);
+  if (! res)
+    error (EXIT_FAILURE, get_errno (),
+           /* On a separate line to please the "unmarked_diagnostics"
+              syntax-check. */
+           "fdopen");
+  return res;
+}
+
 /*------------------------------------------------------------------.
 | Compute ALL_BUT_EXT, ALL_BUT_TAB_EXT and output files extensions. |
 `------------------------------------------------------------------*/
@@ -140,7 +154,7 @@ xfclose (FILE *ptr)
 static void
 compute_exts_from_gf (const char *ext)
 {
-  if (strcmp (ext, ".y") == 0)
+  if (STREQ (ext, ".y"))
     {
       src_extension = xstrdup (language->src_extension);
       header_extension = xstrdup (language->header_extension);
@@ -177,7 +191,7 @@ compute_exts_from_src (const char *ext)
    *EXT points to the last period in the basename, or NULL if none.
 
    If there is no *EXT, *TAB is NULL.  Otherwise, *TAB points to
-   `.tab' or `_tab' if present right before *EXT, or is NULL. *TAB
+   '.tab' or '_tab' if present right before *EXT, or is NULL. *TAB
    cannot be equal to *BASE.
 
    None are allocated, they are simply pointers to parts of FILE_NAME.
@@ -200,7 +214,7 @@ compute_exts_from_src (const char *ext)
 
 static void
 file_name_split (const char *file_name,
-		 const char **base, const char **tab, const char **ext)
+                 const char **base, const char **tab, const char **ext)
 {
   *base = last_component (file_name);
 
@@ -208,16 +222,15 @@ file_name_split (const char *file_name,
   *ext = strrchr (*base, '.');
   *tab = NULL;
 
-  /* If there is an extension, check if there is a `.tab' part right
+  /* If there is an extension, check if there is a '.tab' part right
      before.  */
   if (*ext)
     {
       size_t baselen = *ext - *base;
-      size_t dottablen = 4;
+      size_t dottablen = sizeof (TAB_EXT) - 1;
       if (dottablen < baselen
-	  && (strncmp (*ext - dottablen, ".tab", dottablen) == 0
-	      || strncmp (*ext - dottablen, "_tab", dottablen) == 0))
-	*tab = *ext - dottablen;
+          && STRPREFIX_LIT (TAB_EXT, *ext - dottablen))
+        *tab = *ext - dottablen;
     }
 }
 
@@ -239,44 +252,44 @@ compute_file_name_parts (void)
 
       /* ALL_BUT_EXT goes up the EXT, excluding it. */
       all_but_ext =
-	xstrndup (spec_outfile,
-		  (strlen (spec_outfile) - (ext ? strlen (ext) : 0)));
+        xstrndup (spec_outfile,
+                  (strlen (spec_outfile) - (ext ? strlen (ext) : 0)));
 
       /* ALL_BUT_TAB_EXT goes up to TAB, excluding it.  */
       all_but_tab_ext =
-	xstrndup (spec_outfile,
-		  (strlen (spec_outfile)
-		   - (tab ? strlen (tab) : (ext ? strlen (ext) : 0))));
+        xstrndup (spec_outfile,
+                  (strlen (spec_outfile)
+                   - (tab ? strlen (tab) : (ext ? strlen (ext) : 0))));
 
       if (ext)
-	compute_exts_from_src (ext);
+        compute_exts_from_src (ext);
     }
   else
     {
       file_name_split (grammar_file, &base, &tab, &ext);
 
       if (spec_file_prefix)
-	{
-	  /* If --file-prefix=foo was specified, ALL_BUT_TAB_EXT = `foo'.  */
-	  dir_prefix =
+        {
+          /* If --file-prefix=foo was specified, ALL_BUT_TAB_EXT = 'foo'.  */
+          dir_prefix =
             xstrndup (spec_file_prefix,
                       last_component (spec_file_prefix) - spec_file_prefix);
-	  all_but_tab_ext = xstrdup (spec_file_prefix);
-	}
+          all_but_tab_ext = xstrdup (spec_file_prefix);
+        }
       else if (yacc_flag)
-	{
-	  /* If --yacc, then the output is `y.tab.c'.  */
-	  dir_prefix = xstrdup ("");
-	  all_but_tab_ext = xstrdup ("y");
-	}
+        {
+          /* If --yacc, then the output is 'y.tab.c'.  */
+          dir_prefix = xstrdup ("");
+          all_but_tab_ext = xstrdup ("y");
+        }
       else
-	{
-	  /* Otherwise, ALL_BUT_TAB_EXT is computed from the input
-	     grammar: `foo/bar.yy' => `bar'.  */
-	  dir_prefix = xstrdup ("");
-	  all_but_tab_ext =
-	    xstrndup (base, (strlen (base) - (ext ? strlen (ext) : 0)));
-	}
+        {
+          /* Otherwise, ALL_BUT_TAB_EXT is computed from the input
+             grammar: 'foo/bar.yy' => 'bar'.  */
+          dir_prefix = xstrdup ("");
+          all_but_tab_ext =
+            xstrndup (base, (strlen (base) - (ext ? strlen (ext) : 0)));
+        }
 
       if (language->add_tab)
         all_but_ext = concat2 (all_but_tab_ext, TAB_EXT);
@@ -285,7 +298,7 @@ compute_file_name_parts (void)
 
       /* Compute the extensions from the grammar file name.  */
       if (ext && !yacc_flag)
-	compute_exts_from_gf (ext);
+        compute_exts_from_gf (ext);
     }
 }
 
@@ -312,20 +325,20 @@ compute_output_file_names (void)
   if (defines_flag)
     {
       if (! spec_defines_file)
-	spec_defines_file = concat2 (all_but_ext, header_extension);
+        spec_defines_file = concat2 (all_but_ext, header_extension);
     }
 
   if (graph_flag)
     {
       if (! spec_graph_file)
-	spec_graph_file = concat2 (all_but_tab_ext, ".dot");
+        spec_graph_file = concat2 (all_but_tab_ext, ".dot");
       output_file_name_check (&spec_graph_file);
     }
 
   if (xml_flag)
     {
       if (! spec_xml_file)
-	spec_xml_file = concat2 (all_but_tab_ext, ".xml");
+        spec_xml_file = concat2 (all_but_tab_ext, ".xml");
       output_file_name_check (&spec_xml_file);
     }
 
@@ -345,9 +358,9 @@ void
 output_file_name_check (char **file_name)
 {
   bool conflict = false;
-  if (0 == strcmp (*file_name, grammar_file))
+  if (STREQ (*file_name, grammar_file))
     {
-      complain (_("refusing to overwrite the input file %s"),
+      complain (NULL, complaint, _("refusing to overwrite the input file %s"),
                 quote (*file_name));
       conflict = true;
     }
@@ -355,10 +368,10 @@ output_file_name_check (char **file_name)
     {
       int i;
       for (i = 0; i < file_names_count; i++)
-        if (0 == strcmp (file_names[i], *file_name))
+        if (STREQ (file_names[i], *file_name))
           {
-            warn (_("conflicting outputs to file %s"),
-                  quote (*file_name));
+            complain (NULL, Wother, _("conflicting outputs to file %s"),
+                      quote (*file_name));
             conflict = true;
           }
     }