[gawk-diffs] [SCM] gawk branch, extgawk, created. 3d662631342d999b3c80952f2e8eca8b390bdd95

[Andrew J. Schorr]

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        at  3d662631342d999b3c80952f2e8eca8b390bdd95 (commit)

- Log -----------------------------------------------------------------
http://git.sv.gnu.org/cgit/gawk.git/commit/?id=3d662631342d999b3c80952f2e8eca8b390bdd95

commit 3d662631342d999b3c80952f2e8eca8b390bdd95
Author: Andrew J. Schorr <address@hidden>
Date:   Sun May 13 16:25:23 2012 -0400

    Remove extension/xreadlink.[ch] and update TODO.xgawk

diff --git a/ChangeLog b/ChangeLog
index 7c14773..1d89d63 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2012-05-13         Andrew J. Schorr     <address@hidden>
+
+       * TODO.xgawk: Update to reflect recent discussions and deletion of
+       extension/xreadlink.[ch].
+
 2012-05-11         Arnold D. Robbins     <address@hidden>
 
        Sweeping change: Use `bool', `true', and `false' everywhere.
diff --git a/TODO.xgawk b/TODO.xgawk
index 421eae2..cf676c1 100644
--- a/TODO.xgawk
+++ b/TODO.xgawk
@@ -27,15 +27,38 @@ Done:
 
 - Add shared library tests.
 
+- Delete extension/xreadlink.[ch]
+
 
 To do (not necessarily in this order):
 
+- Add a -i (--include) option.
+
+- The -f flag should not eliminate duplicates.
+
+- Add comment about using unref on value returned from assoc_lookup.
+
+- Enable default ".awk" search in io.c:find_source().  The simple change
+  is to add this code inline in io.c:
+      #ifndef DEFAULT_FILETYPE
+      #define DEFAULT_FILETYPE ".awk"
+      #endif
+
+- Implement new interface using gawkapi.h
+
+- Add time extension to the gawk distro. This defines sleep and gettimeofday.
+  Rename existing gettimeofday by adding some underscores.
+
 - Enhance extension/fork.c waitpid to allow the caller to specify the options.
   And add an optional array argument to wait and waitpid in which to return
   exit status information.
 
 - Maybe add more shared library tests.
 
+- Fix extension/rwarray.c.  It does not currently compile due to changes
+  in the NODE structure relating to array support.  The MPFR changes will
+  also make this more complicated.
+
 - Figure out how to support xgawk on platforms such as Cygwin where a DLL
   cannot be linked with unresolved references.  There are currently 3
   possible solutions:
@@ -46,12 +69,6 @@ To do (not necessarily in this order):
        pass a pointer to a structure into dlload that contains the addresses
        of all variables and functions to which the extension may need access.
 
-- Enable default ".awk" search in io.c:find_source().  The simple change
-  is to add this code inline in io.c:
-      #ifndef DEFAULT_FILETYPE
-      #define DEFAULT_FILETYPE ".awk"
-      #endif
-
 - Fix lint complaints about shared library functions being called without
   having been defined.  For example, try:
      gawk --lint -lordchr 'BEGIN {print chr(65)}'
@@ -95,9 +112,6 @@ To do (not necessarily in this order):
 Separate projects for major standalone extensions.  Where should these
 be hosted?
 
-- Time.  This defines sleep and gettimeofday.   This one is quite trivial,
-  and I propose that it be included in the mainline gawk distro.
-
 - XML
 
 - PostgreSQL
@@ -130,5 +144,3 @@ Possible changes requiring (further) discussion:
 - Include a sample rpm spec file in a new packaging subdirectory.
 
 - Patch lexer for @include and @load to make quotes optional.
-
-- Add a -i (--include) option.
diff --git a/extension/ChangeLog b/extension/ChangeLog
index a38ce15..df49322 100644
--- a/extension/ChangeLog
+++ b/extension/ChangeLog
@@ -1,3 +1,7 @@
+2012-05-13         Andrew J. Schorr     <address@hidden>
+
+       * xreadlink.[ch]: Remove unused files.
+
 2012-05-11         Arnold D. Robbins     <address@hidden>
 
        Sweeping change: Use `bool', `true', and `false' everywhere.
diff --git a/extension/xreadlink.c b/extension/xreadlink.c
deleted file mode 100644
index 91e46d9..0000000
--- a/extension/xreadlink.c
+++ /dev/null
@@ -1,95 +0,0 @@
-/* xreadlink.c -- readlink wrapper to return the link name in malloc'd storage
-
-   Copyright (C) 2001, 2003, 2004, 2005, 2011 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, 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.
-
-   You should have received a copy of the GNU General Public License
-   along with this program; see the file COPYING.
-   If not, write to the Free Software Foundation,
-   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
-
-/* Written by Jim Meyering <address@hidden>  */
-
-#if HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#include "xreadlink.h"
-
-#include <stdio.h>
-#include <errno.h>
-#include <limits.h>
-#include <sys/types.h>
-#include <stdlib.h>
-#if HAVE_UNISTD_H
-# include <unistd.h>
-#endif
-
-#ifndef SIZE_MAX
-# define SIZE_MAX ((size_t) -1)
-#endif
-#ifndef SSIZE_MAX
-# define SSIZE_MAX ((ssize_t) (SIZE_MAX / 2))
-#endif
-
-#define MAXSIZE (SIZE_MAX < SSIZE_MAX ? SIZE_MAX : SSIZE_MAX)
-
-#include "xalloc.h"
-
-int plugin_is_GPL_compatible;
-
-/* Call readlink to get the symbolic link value of FILE.
-   SIZE is a hint as to how long the link is expected to be;
-   typically it is taken from st_size.  It need not be correct.
-   Return a pointer to that NUL-terminated string in malloc'd storage.
-   If readlink fails, return NULL (caller may use errno to diagnose).
-   If malloc fails, or if the link value is longer than SSIZE_MAX :-),
-   give a diagnostic and exit.  */
-
-char *
-xreadlink (char const *file, size_t size)
-{
-  /* The initial buffer size for the link value.  A power of 2
-     detects arithmetic overflow earlier, but is not required.  */
-  size_t buf_size = size < MAXSIZE ? size + 1 : MAXSIZE;
-
-  while (1)
-    {
-      char *buffer = xmalloc (buf_size);
-      ssize_t r = readlink (file, buffer, buf_size);
-      size_t link_length = r;
-
-      /* On AIX 5L v5.3 and HP-UX 11i v2 04/09, readlink returns -1
-        with errno == ERANGE if the buffer is too small.  */
-      if (r < 0 && errno != ERANGE)
-       {
-         int saved_errno = errno;
-         free (buffer);
-         errno = saved_errno;
-         return NULL;
-       }
-
-      if (link_length < buf_size)
-       {
-         buffer[link_length] = 0;
-         return buffer;
-       }
-
-      free (buffer);
-      if (buf_size <= MAXSIZE / 2)
-       buf_size *= 2;
-      else if (buf_size < MAXSIZE)
-       buf_size = MAXSIZE;
-      else
-       xalloc_die ();
-    }
-}
diff --git a/extension/xreadlink.h b/extension/xreadlink.h
deleted file mode 100644
index 0c16610..0000000
--- a/extension/xreadlink.h
+++ /dev/null
@@ -1,23 +0,0 @@
-/* readlink wrapper to return the link name in malloc'd storage
-
-   Copyright (C) 2001, 2003, 2004, 2011 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, 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.
-
-   You should have received a copy of the GNU General Public License
-   along with this program; see the file COPYING.
-   If not, write to the Free Software Foundation,
-   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
-
-/* Written by Jim Meyering <address@hidden>  */
-
-#include <stddef.h>
-char *xreadlink (char const *, size_t);

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