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-rw-r--r--lib/fdbuf/ChangeLog161
-rw-r--r--lib/fdbuf/Makefile.am29
-rw-r--r--lib/fdbuf/Makefile.in587
-rw-r--r--lib/fdbuf/fdbuf.cc107
-rw-r--r--lib/fdbuf/fdbuf.h83
-rw-r--r--lib/fdbuf/fdbuf_copy.cc38
-rw-r--r--lib/fdbuf/fdibuf.cc197
-rw-r--r--lib/fdbuf/fdibuf.h53
-rw-r--r--lib/fdbuf/fdibuf_mystring.cc52
-rw-r--r--lib/fdbuf/fdibuf_netstring.cc41
-rw-r--r--lib/fdbuf/fdobuf.cc214
-rw-r--r--lib/fdbuf/fdobuf.h92
-rw-r--r--lib/fdbuf/fdobuf_chownmod.cc34
-rw-r--r--lib/fdbuf/fdobuf_seek.cc48
-rw-r--r--lib/fdbuf/fdobuf_signed.cc38
-rw-r--r--lib/fdbuf/fdobuf_unsigned.cc34
-rw-r--r--lib/fdbuf/tlsibuf.cc31
-rw-r--r--lib/fdbuf/tlsibuf.h32
-rw-r--r--lib/fdbuf/tlsobuf.cc31
-rw-r--r--lib/fdbuf/tlsobuf.h32
20 files changed, 1934 insertions, 0 deletions
diff --git a/lib/fdbuf/ChangeLog b/lib/fdbuf/ChangeLog
new file mode 100644
index 0000000..ba96ad5
--- /dev/null
+++ b/lib/fdbuf/ChangeLog
@@ -0,0 +1,161 @@
+2000-08-22 Bruce Guenter <bruce@bruce-guenter.dyndns.org>
+
+ * Added the missing accessor for the internal "errnum" data member
+ to the fdibuf and fdobuf classes.
+
+2000-08-10 Bruce Guenter <bruce@bruce-guenter.dyndns.org>
+
+ * fdibuf.cc (read_large): Fixed a bug in the increment of data.
+
+ * fdibuf_mystring.cc (getline): Reduced some of the expressions
+ into variables.
+
+2000-04-08 Bruce Guenter <bguenter@bguenter.pointsnorth.com>
+
+ * fdibuf.cc (read_large): Fixed bug: count needed to be
+ incremented after reading data in.
+
+2000-04-07 Bruce Guenter <bguenter@bguenter.pointsnorth.com>
+
+ * fdobuf_signed.cc (operator<<): Immediately output a '-' for
+ negative numbers rather than storing a negative flag for later.
+
+ * fdobuf_unsigned.cc (operator<<): Moved the integer versions of
+ this operator into their own modules.
+
+ * fdobuf_seek.cc (seek): Moved this routine out of fdobuf.cc
+
+ * fdibuf.cc (read_large): Added this routine to read in a chunk of
+ data larger than the size of the buffer.
+
+2000-04-06 Bruce Guenter <bguenter@bguenter.pointsnorth.com>
+
+ * fdibuf_netstring.cc (getnetstring): Moved this routine into its
+ own source file.
+
+ * fdobuf.cc (write_large): Added this routine to write out a chunk
+ of data larger than the size of the buffer, to avoid doing extra
+ copies.
+ (write): Removed an extraneous code segment.
+
+ * fdobuf.h: Moved the fdobuf declarations here.
+
+ * fdibuf.h: Moved the fdibuf declarations here.
+
+ * fdbuf.h: Removed extraneous fdobuf declaration.
+
+1999-07-08 Bruce Guenter <bguenter@mikhail.qcc.sk.ca>
+
+ * fdobuf.cc (write): Optimized this routine better for the case
+ where the amount of data to be written will fit inside the buffer.
+
+1999-07-05 Bruce Guenter <bguenter@mikhail.qcc.sk.ca>
+
+ * fdbuf.h (fdobuf,fdibuf): Made some of the routines here virtual
+ in order to extend it properly.
+ Added "tell()" operations to both fdibuf and fdobuf to indicate
+ the current logical read/write point.
+
+1999-07-04 Bruce Guenter <bguenter@mikhail.qcc.sk.ca>
+
+ * fdobuf_chownmod.cc: Added two new routines chown and chmod,
+ which operate directly on the open fd.
+
+1999-06-30 Bruce Guenter <bguenter@mikhail.qcc.sk.ca>
+
+ * fdibuf_mystring.cc (getline): Make this routine return the
+ number of bytes actually read, including the delimiter, even
+ though the delimiter is not added to the returned string.
+
+1999-06-29 Bruce Guenter <bguenter@mikhail.qcc.sk.ca>
+
+ * fdibuf.cc (fdibuf): Added a 'seekfwd' function to seek forwards
+ "o" bytes.
+
+ * fdibuf_mystring.cc (getline): Added locking and set the count
+ properly.
+
+1999-06-28 Bruce Guenter <bguenter@mikhail.qcc.sk.ca>
+
+ * fdibuf.cc (get): Make sure count is set for get.
+
+1999-06-06 Bruce Guenter <bguenter@mikhail.qcc.sk.ca>
+
+ * fdbuf.cc (fdbuf): Fixed long-standing bug -- I forgot to delete
+ the buffer in the destructor.
+ (close): Modified the code to ensure that the fd is not closed
+ twice (as would happen when destructing the fdbuf).
+
+1999-05-31 Bruce Guenter <bguenter@mikhail.qcc.sk.ca>
+
+ * fdobuf.cc: Redefined flush as nflush; added sync code to nflush;
+ made flush and sync call nflush; added mutex lock calls to all
+ public methods.
+
+ * fdibuf.cc: Added mutex lock calls to all public methods.
+
+ * fdbuf.cc: Added debugging implementations of lock() and unlock()
+ mutex operators (to be removed before real use).
+
+1999-05-28 Bruce Guenter <bguenter@mikhail.qcc.sk.ca>
+
+ * fdobuf.cc (fdobuf): Fixed missing initialization of bufpos in
+ one of the two constructors.
+
+1999-05-01 Bruce Guenter <bguenter@mikhail.qcc.sk.ca>
+
+ * fdobuf.cc (fdobuf): Added an optional "mode" parameter which
+ defaults to 0666, which is the permissions for the new file.
+ (sync): Wrote this function to fsync the file descriptor.
+
+1999-04-27 Bruce Guenter <bguenter@mikhail.qcc.sk.ca>
+
+ * fdbuf.h (fdobuf): Removed definition for sync and nonblock mode,
+ as they won't be handled correctly in the writing code.
+
+1999-04-03 Bruce Guenter <bguenter@mikhail.qcc.sk.ca>
+
+ * fdobuf.cc (operator<<): Wrote an operator for signed and
+ unsigned longs, with overloaded functions for ints and shorts that
+ promote the parameters to longs.
+ (write): Wrote a write routine specifically for a single
+ character.
+
+1999-04-01 Bruce Guenter <bguenter@mikhail.qcc.sk.ca>
+
+ * fdobuf.cc: Fixed handling of seek by adding a "bufpos" indicator
+ that points to the current position in the buffer at which writes
+ should go. buflength is effectively the maximum value of bufpos
+ between flushes.
+
+ * fdibuf.cc (get): Renamed getchar to get (to be potentially
+ overloaded with other types).
+
+ * fdbuf.h (fdbuf): Removed a bunch of write methods and replaced
+ them with "operator<<", with similar capability to iostreams
+ methods of the same names.
+
+ * fdobuf.cc (endl): Wrote this manipulator to write an end-of-line
+ and flush the buffer.
+
+1999-03-31 Bruce Guenter <bguenter@mikhail.qcc.sk.ca>
+
+ * fdobuf_mystring.cc: Moved all the mystring-specific code from
+ fdobuf.cc into this module to lessen link problems.
+
+ * fdibuf_mystring.cc: Moved all the mystring-specific code from
+ fdibuf.cc into this module to lessen link problems.
+
+ * fdobuf.cc (seek): Wrote this seek routine to allow movement in
+ an output file buffer.
+
+ * fdibuf.cc (seek): Generalized the rewind routine to allow
+ arbitrary seeks. It also checks to see if the seek point is
+ within the current buffer and if so just repositions its
+ pointers.
+
+ * fdbuf.h: If BUFSIZE is not defined, set it here to 4096.
+ (class fdbuf ): Rename length, start, and size to buflength,
+ bufstart, and bufsize. Add a new field "offset" to indicate the
+ current file seek offset.
+
diff --git a/lib/fdbuf/Makefile.am b/lib/fdbuf/Makefile.am
new file mode 100644
index 0000000..152d634
--- /dev/null
+++ b/lib/fdbuf/Makefile.am
@@ -0,0 +1,29 @@
+noinst_LIBRARIES = libfdbuf.a
+AM_CPPFLAGS = -I$(top_srcdir)/lib
+
+if FDBUF_NO_MYSTRING
+mystring_sources =
+else
+mystring_sources = fdibuf_mystring.cc fdibuf_netstring.cc
+endif
+
+if TLS
+tls_sources = tlsibuf.h tlsibuf.cc tlsobuf.h tlsobuf.cc
+else
+tls_sources =
+endif
+
+libfdbuf_a_SOURCES = \
+ fdbuf.h \
+ fdbuf.cc \
+ fdbuf_copy.cc \
+ fdibuf.h \
+ fdibuf.cc \
+ fdobuf.h \
+ fdobuf.cc \
+ fdobuf_chownmod.cc \
+ fdobuf_seek.cc \
+ fdobuf_signed.cc \
+ fdobuf_unsigned.cc \
+ $(tls_sources) \
+ $(mystring_sources)
diff --git a/lib/fdbuf/Makefile.in b/lib/fdbuf/Makefile.in
new file mode 100644
index 0000000..8c84ce0
--- /dev/null
+++ b/lib/fdbuf/Makefile.in
@@ -0,0 +1,587 @@
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+# @configure_input@
+
+# Copyright (C) 1994-2014 Free Software Foundation, Inc.
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+
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+ -test -z "$(noinst_LIBRARIES)" || rm -f $(noinst_LIBRARIES)
+
+libfdbuf.a: $(libfdbuf_a_OBJECTS) $(libfdbuf_a_DEPENDENCIES) $(EXTRA_libfdbuf_a_DEPENDENCIES)
+ $(AM_V_at)-rm -f libfdbuf.a
+ $(AM_V_AR)$(libfdbuf_a_AR) libfdbuf.a $(libfdbuf_a_OBJECTS) $(libfdbuf_a_LIBADD)
+ $(AM_V_at)$(RANLIB) libfdbuf.a
+
+mostlyclean-compile:
+ -rm -f *.$(OBJEXT)
+
+distclean-compile:
+ -rm -f *.tab.c
+
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/fdbuf.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/fdbuf_copy.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/fdibuf.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/fdibuf_mystring.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/fdibuf_netstring.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/fdobuf.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/fdobuf_chownmod.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/fdobuf_seek.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/fdobuf_signed.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/fdobuf_unsigned.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/tlsibuf.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/tlsobuf.Po@am__quote@
+
+.cc.o:
+@am__fastdepCXX_TRUE@ $(AM_V_CXX)$(CXXCOMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ $<
+@am__fastdepCXX_TRUE@ $(AM_V_at)$(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Po
+@AMDEP_TRUE@@am__fastdepCXX_FALSE@ $(AM_V_CXX)source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCXX_FALSE@ DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCXX_FALSE@ $(AM_V_CXX@am__nodep@)$(CXXCOMPILE) -c -o $@ $<
+
+.cc.obj:
+@am__fastdepCXX_TRUE@ $(AM_V_CXX)$(CXXCOMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ `$(CYGPATH_W) '$<'`
+@am__fastdepCXX_TRUE@ $(AM_V_at)$(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Po
+@AMDEP_TRUE@@am__fastdepCXX_FALSE@ $(AM_V_CXX)source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCXX_FALSE@ DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCXX_FALSE@ $(AM_V_CXX@am__nodep@)$(CXXCOMPILE) -c -o $@ `$(CYGPATH_W) '$<'`
+
+ID: $(am__tagged_files)
+ $(am__define_uniq_tagged_files); mkid -fID $$unique
+tags: tags-am
+TAGS: tags
+
+tags-am: $(TAGS_DEPENDENCIES) $(am__tagged_files)
+ set x; \
+ here=`pwd`; \
+ $(am__define_uniq_tagged_files); \
+ shift; \
+ if test -z "$(ETAGS_ARGS)$$*$$unique"; then :; else \
+ test -n "$$unique" || unique=$$empty_fix; \
+ if test $$# -gt 0; then \
+ $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+ "$$@" $$unique; \
+ else \
+ $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+ $$unique; \
+ fi; \
+ fi
+ctags: ctags-am
+
+CTAGS: ctags
+ctags-am: $(TAGS_DEPENDENCIES) $(am__tagged_files)
+ $(am__define_uniq_tagged_files); \
+ test -z "$(CTAGS_ARGS)$$unique" \
+ || $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \
+ $$unique
+
+GTAGS:
+ here=`$(am__cd) $(top_builddir) && pwd` \
+ && $(am__cd) $(top_srcdir) \
+ && gtags -i $(GTAGS_ARGS) "$$here"
+cscopelist: cscopelist-am
+
+cscopelist-am: $(am__tagged_files)
+ list='$(am__tagged_files)'; \
+ case "$(srcdir)" in \
+ [\\/]* | ?:[\\/]*) sdir="$(srcdir)" ;; \
+ *) sdir=$(subdir)/$(srcdir) ;; \
+ esac; \
+ for i in $$list; do \
+ if test -f "$$i"; then \
+ echo "$(subdir)/$$i"; \
+ else \
+ echo "$$sdir/$$i"; \
+ fi; \
+ done >> $(top_builddir)/cscope.files
+
+distclean-tags:
+ -rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
+
+distdir: $(DISTFILES)
+ @srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+ topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+ list='$(DISTFILES)'; \
+ dist_files=`for file in $$list; do echo $$file; done | \
+ sed -e "s|^$$srcdirstrip/||;t" \
+ -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+ case $$dist_files in \
+ */*) $(MKDIR_P) `echo "$$dist_files" | \
+ sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+ sort -u` ;; \
+ esac; \
+ for file in $$dist_files; do \
+ if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+ if test -d $$d/$$file; then \
+ dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+ if test -d "$(distdir)/$$file"; then \
+ find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+ fi; \
+ if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+ cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
+ find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+ fi; \
+ cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+ else \
+ test -f "$(distdir)/$$file" \
+ || cp -p $$d/$$file "$(distdir)/$$file" \
+ || exit 1; \
+ fi; \
+ done
+check-am: all-am
+check: check-am
+all-am: Makefile $(LIBRARIES)
+installdirs:
+install: install-am
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+install-am: all-am
+ @$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-am
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+ if test -z '$(STRIP)'; then \
+ $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+ install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+ install; \
+ else \
+ $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+ install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+ "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+ fi
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+ -test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+ -test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+ @echo "This command is intended for maintainers to use"
+ @echo "it deletes files that may require special tools to rebuild."
+clean: clean-am
+
+clean-am: clean-generic clean-noinstLIBRARIES mostlyclean-am
+
+distclean: distclean-am
+ -rm -rf ./$(DEPDIR)
+ -rm -f Makefile
+distclean-am: clean-am distclean-compile distclean-generic \
+ distclean-tags
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
+
+html-am:
+
+info: info-am
+
+info-am:
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+install-data-am:
+
+install-dvi: install-dvi-am
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+
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+install-man:
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+install-ps: install-ps-am
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+install-ps-am:
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+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+ -rm -rf ./$(DEPDIR)
+ -rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-compile mostlyclean-generic
+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
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+uninstall-am:
+
+.MAKE: install-am install-strip
+
+.PHONY: CTAGS GTAGS TAGS all all-am check check-am clean clean-generic \
+ clean-noinstLIBRARIES cscopelist-am ctags ctags-am distclean \
+ distclean-compile distclean-generic distclean-tags distdir dvi \
+ dvi-am html html-am info info-am install install-am \
+ install-data install-data-am install-dvi install-dvi-am \
+ install-exec install-exec-am install-html install-html-am \
+ install-info install-info-am install-man install-pdf \
+ install-pdf-am install-ps install-ps-am install-strip \
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+ maintainer-clean-generic mostlyclean mostlyclean-compile \
+ mostlyclean-generic pdf pdf-am ps ps-am tags tags-am uninstall \
+ uninstall-am
+
+.PRECIOUS: Makefile
+
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/lib/fdbuf/fdbuf.cc b/lib/fdbuf/fdbuf.cc
new file mode 100644
index 0000000..2b3d65a
--- /dev/null
+++ b/lib/fdbuf/fdbuf.cc
@@ -0,0 +1,107 @@
+// Copyright (C) 2017 Bruce Guenter <bruce@untroubled.org>
+//
+// 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 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+#include "fdbuf.h"
+#include <errno.h>
+#include <fcntl.h>
+#include <string.h>
+#include <unistd.h>
+
+///////////////////////////////////////////////////////////////////////////////
+// Class fdbuf
+///////////////////////////////////////////////////////////////////////////////
+fdbuf::fdbuf(int fdesc, bool dc, unsigned bufsz)
+ : buf(new char[bufsz]),
+ buflength(0),
+ bufstart(0),
+ offset(0),
+ errnum(0),
+ flags(0),
+ bufsize(bufsz),
+ fd(fdesc),
+ do_close(dc)
+{
+ if(!buf) {
+ flags = flag_error;
+ errnum = errno;
+ }
+ if(fdesc < 0)
+ flags |= flag_closed;
+#ifdef _REENTRANT
+ pthread_mutex_t tmp = PTHREAD_MUTEX_INITIALIZER;
+ mutex = tmp;
+ pthread_mutex_init(&mutex, 0);
+#else
+#ifdef FDBUF_MUTEX_DEBUG
+ mutex_count = 0;
+#endif
+#endif
+}
+
+fdbuf::~fdbuf()
+{
+ close();
+#ifdef _REENTRANT
+ pthread_mutex_destroy(&mutex);
+#endif
+ delete buf;
+}
+
+bool fdbuf::error() const
+{
+ return flags & flag_error;
+}
+
+bool fdbuf::closed() const
+{
+ return flags & flag_closed;
+}
+
+bool fdbuf::close()
+{
+ if(do_close && fd >= 0 && !(flags & flag_closed)) {
+ if(::close(fd) == -1) {
+ errnum = errno;
+ flags |= flag_error;
+ return false;
+ }
+ flags |= flag_closed;
+ }
+ return true;
+}
+
+#if defined(FDBUF_MUTEX_DEBUG) && !defined(_REENTRANT)
+{
+ int* null = 0;
+ (*null)++;
+ kill(getpid(), 9);
+}
+
+// Debugging code
+void fdbuf::lock()
+{
+ if(mutex)
+ abort();
+ ++mutex;
+}
+
+void fdbuf::unlock()
+{
+ if(mutex != 1)
+ abort();
+ --mutex;
+}
+#endif
diff --git a/lib/fdbuf/fdbuf.h b/lib/fdbuf/fdbuf.h
new file mode 100644
index 0000000..d11682f
--- /dev/null
+++ b/lib/fdbuf/fdbuf.h
@@ -0,0 +1,83 @@
+// Copyright (C) 2017 Bruce Guenter <bruce@untroubled.org>
+//
+// 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 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+#ifndef FDBUF__H__
+#define FDBUF__H__
+
+#include "config.h"
+#include <string.h>
+#include <fcntl.h>
+#include <unistd.h>
+
+#ifdef _REENTRANT
+#include <pthread.h>
+#endif
+
+#ifndef FDBUF_SIZE
+#define FDBUF_SIZE 4096
+#endif
+
+class mystring;
+
+class fdbuf
+{
+public:
+ enum flagbits { flag_eof=1, flag_error=2, flag_closed=4 };
+
+ fdbuf(int fdesc, bool dc, unsigned bufsz = FDBUF_SIZE);
+ ~fdbuf();
+ bool error() const;
+ bool closed() const;
+ bool close();
+#ifdef _REENTRANT
+ void lock() { pthread_mutex_lock(&mutex); }
+ void unlock() { pthread_mutex_unlock(&mutex); }
+#else
+#ifdef FDBUF_MUTEX_DEBUG
+ void lock();
+ void unlock();
+#else
+ void lock() { }
+ void unlock() { }
+#endif
+#endif
+protected:
+ char* const buf;
+ unsigned buflength; // Length of the data in the buffer
+ unsigned bufstart; // Start of the data in the buffer
+ unsigned offset; // Current file read/write offset
+ int errnum; // Saved error flag
+ unsigned flags; // Status flags
+
+ const unsigned bufsize; // Total buffer size
+ const int fd;
+ const bool do_close; // True to close on destructor
+
+#ifdef _REENTRANT
+ pthread_mutex_t mutex;
+#else
+#ifdef FDBUF_MUTEX_DEBUG
+ unsigned mutex;
+#endif
+#endif
+};
+
+bool fdbuf_copy(class fdibuf&, class fdobuf&, bool noflush = false);
+
+#include "fdbuf/fdibuf.h"
+#include "fdbuf/fdobuf.h"
+
+#endif // FDBUF__H__
diff --git a/lib/fdbuf/fdbuf_copy.cc b/lib/fdbuf/fdbuf_copy.cc
new file mode 100644
index 0000000..a31ab0b
--- /dev/null
+++ b/lib/fdbuf/fdbuf_copy.cc
@@ -0,0 +1,38 @@
+// Copyright (C) 2017 Bruce Guenter <bruce@untroubled.org>
+//
+// 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 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+#include "fdbuf.h"
+
+///////////////////////////////////////////////////////////////////////////////
+// Other routines
+///////////////////////////////////////////////////////////////////////////////
+bool fdbuf_copy(fdibuf& in, fdobuf& out, bool noflush)
+{
+ if(in.eof())
+ return true;
+ if(!in || !out)
+ return false;
+ do {
+ char buf[FDBUF_SIZE];
+ if(!in.read(buf, FDBUF_SIZE) && in.last_count() == 0)
+ break;
+ if(!out.write(buf, in.last_count()) && out.last_count() < in.last_count())
+ return false;
+ } while(!in.eof());
+ if(!noflush && !out.flush())
+ return false;
+ return in.eof();
+}
diff --git a/lib/fdbuf/fdibuf.cc b/lib/fdbuf/fdibuf.cc
new file mode 100644
index 0000000..205d63c
--- /dev/null
+++ b/lib/fdbuf/fdibuf.cc
@@ -0,0 +1,197 @@
+// Copyright (C) 2017 Bruce Guenter <bruce@untroubled.org>
+//
+// 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 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+#include "fdbuf.h"
+#include <errno.h>
+#include <fcntl.h>
+#include <string.h>
+#include <unistd.h>
+
+///////////////////////////////////////////////////////////////////////////////
+// Class fdibuf
+///////////////////////////////////////////////////////////////////////////////
+fdibuf::fdibuf(int fdesc, bool dc, unsigned bufsz)
+ : fdbuf(fdesc, dc, bufsz)
+{
+}
+
+fdibuf::fdibuf(const char* filename, unsigned bufsz)
+ : fdbuf(open(filename, O_RDONLY), true, bufsz)
+{
+ if(fd == -1) {
+ flags = flag_error;
+ errnum = errno;
+ }
+}
+
+fdibuf::~fdibuf()
+{
+}
+
+bool fdibuf::eof() const
+{
+ return (flags & flag_eof) && (bufstart >= buflength);
+}
+
+bool fdibuf::operator!() const
+{
+ return eof() || error() || closed();
+}
+
+// refill is protected -- no locking
+bool fdibuf::refill()
+{
+ if(flags)
+ return false;
+ if(bufstart != 0) {
+ if(bufstart < buflength) {
+ buflength -= bufstart;
+ memcpy(buf, buf+bufstart, buflength);
+ } else
+ buflength = 0;
+ bufstart = 0;
+ }
+ unsigned oldbuflength = buflength;
+ if(buflength < bufsize) {
+ ssize_t red = _read(buf+buflength, bufsize-buflength);
+ if(red < 0) {
+ errnum = errno;
+ flags |= flag_error;
+ }
+ else if(red == 0)
+ flags |= flag_eof;
+ else {
+ buflength += red;
+ offset += red;
+ }
+ }
+ return buflength > oldbuflength;
+}
+
+bool fdibuf::get(char& ch)
+{
+ lock();
+ count = 0;
+ if(bufstart >= buflength)
+ refill();
+ bool r = true;
+ if(eof() || error())
+ r = false;
+ else {
+ ch = buf[bufstart++];
+ count = 1;
+ }
+ unlock();
+ return r;
+}
+
+bool fdibuf::read_large(char* data, unsigned datalen)
+{
+ lock();
+ count = 0;
+
+ // If there's any content in the buffer, memcpy it out first.
+ unsigned len = buflength - bufstart;
+ if(len > datalen)
+ len = datalen;
+ memcpy(data, buf+bufstart, len);
+ data += len;
+ datalen -= len;
+ bufstart += len;
+ count += len;
+
+ // After the buffer is empty and there's still data to read,
+ // read it straight from the fd instead of copying it through the buffer.
+ while(datalen > 0) {
+ ssize_t red = _read(data, datalen);
+ if(red < 0) {
+ errnum = errno;
+ flags |= flag_error;
+ break;
+ }
+ else if(red == 0) {
+ flags |= flag_eof;
+ break;
+ }
+ data += red;
+ datalen -= red;
+ offset += red;
+ count += red;
+ }
+ unlock();
+ return datalen == 0;
+}
+
+bool fdibuf::read(char* data, unsigned datalen)
+{
+ if(datalen >= bufsize)
+ return read_large(data, datalen);
+ lock();
+ count = 0;
+ char* ptr = data;
+ while(datalen && !eof()) {
+ if(bufstart >= buflength)
+ refill();
+ unsigned len = buflength-bufstart;
+ if(len > datalen)
+ len = datalen;
+ memcpy(ptr, buf+bufstart, len);
+ bufstart += len;
+ datalen -= len;
+ ptr += len;
+ count += len;
+ }
+ unlock();
+ return !datalen;
+}
+
+bool fdibuf::seek(unsigned o)
+{
+ lock();
+ unsigned buf_start = offset - buflength;
+ if(o >= buf_start && o < offset) {
+ bufstart = o - buf_start;
+ }
+ else {
+ if(lseek(fd, o, SEEK_SET) != (off_t)o) {
+ errnum = errno;
+ flags |= flag_error;
+ unlock();
+ return false;
+ }
+ offset = o;
+ buflength = bufstart = 0;
+ }
+ count = 0;
+ flags &= ~flag_eof;
+ unlock();
+ return true;
+}
+
+bool fdibuf::seekfwd(unsigned o)
+{
+ return seek(tell() + o);
+}
+
+ssize_t fdibuf::_read(char* buf, ssize_t len)
+{
+ return ::read(fd, buf, len);
+}
+
+///////////////////////////////////////////////////////////////////////////////
+// Globals
+///////////////////////////////////////////////////////////////////////////////
+fdibuf fin(0);
diff --git a/lib/fdbuf/fdibuf.h b/lib/fdbuf/fdibuf.h
new file mode 100644
index 0000000..8906b8c
--- /dev/null
+++ b/lib/fdbuf/fdibuf.h
@@ -0,0 +1,53 @@
+// Copyright (C) 2017 Bruce Guenter <bruce@untroubled.org>
+//
+// 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 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+#ifndef FDBUF__FDIBUF__H__
+#define FDBUF__FDIBUF__H__
+
+#include "fdbuf.h"
+
+class fdibuf : protected fdbuf
+{
+public:
+ fdibuf(const char* filename, unsigned bufsz = FDBUF_SIZE);
+ fdibuf(int fdesc, bool dc = false, unsigned bufsz = FDBUF_SIZE);
+ virtual ~fdibuf();
+ bool close() { lock(); bool r = fdbuf::close(); unlock(); return r; }
+ bool eof() const;
+ bool operator!() const ;
+ operator bool() const { return !operator!(); }
+ virtual bool get(char& ch);
+ virtual bool getline(mystring& out, char terminator = '\n');
+ virtual bool getnetstring(mystring& out);
+ virtual bool read(char*, unsigned);
+ virtual bool read_large(char*, unsigned);
+ bool read(unsigned char* b, unsigned l) { return read((char*)b, l); }
+ bool read(signed char* b, unsigned l) { return read((char*)b, l); }
+ unsigned last_count() { return count; }
+ bool seek(unsigned o);
+ bool seekfwd(unsigned o);
+ bool rewind() { return seek(0); }
+ unsigned tell() const { return offset-buflength+bufstart; }
+ int error_number() const { return errnum; }
+protected:
+ unsigned count; // Number of bytes read by last operation
+ bool refill();
+ virtual ssize_t _read(char*, ssize_t);
+};
+
+extern fdibuf fin;
+
+#endif // FDBUF__FDIBUF__H__
diff --git a/lib/fdbuf/fdibuf_mystring.cc b/lib/fdbuf/fdibuf_mystring.cc
new file mode 100644
index 0000000..3b40bdc
--- /dev/null
+++ b/lib/fdbuf/fdibuf_mystring.cc
@@ -0,0 +1,52 @@
+// Copyright (C) 2017 Bruce Guenter <bruce@untroubled.org>
+//
+// 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 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+#include <string.h>
+#include "fdbuf.h"
+#include "mystring/mystring.h"
+
+bool fdibuf::getline(mystring& out, char terminator)
+{
+ lock();
+ count = 0;
+ if(bufstart >= buflength)
+ refill();
+ if(eof() || error()) {
+ unlock();
+ return false;
+ }
+ out = "";
+ while(!eof() && !error()) {
+ char* ptr = buf+bufstart;
+ unsigned bufleft = buflength - bufstart;
+ const char* end = (const char*)memchr(ptr, terminator, bufleft);
+ if(!end) {
+ out += mystring(ptr, bufleft);
+ bufstart = buflength;
+ count += bufleft;
+ refill();
+ }
+ else {
+ unsigned copylen = end - ptr;
+ out += mystring(ptr, copylen);
+ bufstart += copylen+1;
+ count += copylen+1;
+ break;
+ }
+ }
+ unlock();
+ return true;
+}
diff --git a/lib/fdbuf/fdibuf_netstring.cc b/lib/fdbuf/fdibuf_netstring.cc
new file mode 100644
index 0000000..5f16004
--- /dev/null
+++ b/lib/fdbuf/fdibuf_netstring.cc
@@ -0,0 +1,41 @@
+// Copyright (C) 2017 Bruce Guenter <bruce@untroubled.org>
+//
+// 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 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+#include <string.h>
+#include "fdbuf.h"
+#include "mystring/mystring.h"
+
+bool fdibuf::getnetstring(mystring& out)
+{
+ // Read in the size
+ char ch;
+ unsigned long size = 0;
+ for(;;) {
+ if(!get(ch))
+ return false;
+ if(ch == ':')
+ break;
+ else if(ch >= '0' && ch <= '9')
+ size = size*10 + (ch-'0');
+ else
+ return false;
+ }
+ char tmp[size];
+ if(!read(tmp, size) || !get(ch) || ch != ',')
+ return false;
+ out = mystring(tmp, size);
+ return true;
+}
diff --git a/lib/fdbuf/fdobuf.cc b/lib/fdbuf/fdobuf.cc
new file mode 100644
index 0000000..e1a6031
--- /dev/null
+++ b/lib/fdbuf/fdobuf.cc
@@ -0,0 +1,214 @@
+// Copyright (C) 2017 Bruce Guenter <bruce@untroubled.org>
+//
+// 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 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+#include "fdbuf.h"
+#include <errno.h>
+#include <fcntl.h>
+#include <string.h>
+#include <unistd.h>
+
+///////////////////////////////////////////////////////////////////////////////
+// Globals
+///////////////////////////////////////////////////////////////////////////////
+fdobuf fout(1);
+fdobuf ferr(2);
+
+///////////////////////////////////////////////////////////////////////////////
+// Class fdobuf
+///////////////////////////////////////////////////////////////////////////////
+fdobuf::fdobuf(int fdesc, bool dc, unsigned bufsz)
+ : fdbuf(fdesc, dc, bufsz),
+ bufpos(0)
+{
+}
+
+fdobuf::fdobuf(const char* filename, int f, int mode, unsigned bufsz)
+ : fdbuf(open(filename, O_WRONLY | f, mode), true, bufsz),
+ bufpos(0)
+{
+ if(fd == -1) {
+ flags = flag_error;
+ errnum = errno;
+ }
+}
+
+fdobuf::~fdobuf()
+{
+ flush();
+}
+
+bool fdobuf::close()
+{
+ if(!flush())
+ return false;
+ lock();
+ bool r = fdbuf::close();
+ unlock();
+ return r;
+}
+
+bool fdobuf::operator!() const
+{
+ return error() || closed();
+}
+
+bool fdobuf::nflush(bool withsync)
+{
+ if(flags)
+ return false;
+ while(bufstart < buflength) {
+ ssize_t written = _write(buf+bufstart, buflength-bufstart);
+ if(written < 0) {
+ flags |= flag_error;
+ errnum = errno;
+ return false;
+ }
+ else {
+ bufstart += written;
+ offset += written;
+ }
+ }
+ buflength = 0;
+ bufstart = 0;
+ bufpos = 0;
+ if(withsync && (fsync(fd) == -1)) {
+ flags |= flag_error;
+ errnum = errno;
+ return false;
+ }
+ return true;
+}
+
+bool fdobuf::flush()
+{
+ lock();
+ bool r = nflush(false);
+ unlock();
+ return r;
+}
+
+bool fdobuf::sync()
+{
+ lock();
+ bool r = nflush(true);
+ unlock();
+ return r;
+}
+
+bool fdobuf::write(char ch)
+{
+ if(flags)
+ return false;
+
+ lock();
+ count = 0;
+ buf[bufpos++] = ch;
+ //if(buflength >= bufsize && !nflush(false)) {
+ // unlock();
+ // return false;
+ //}
+ if(bufpos >= buflength)
+ buflength = bufpos;
+ if(buflength >= bufsize && !nflush(false)) {
+ unlock();
+ return false;
+ }
+ count = 1;
+ unlock();
+ return true;
+}
+
+bool fdobuf::write_large(const char* data, unsigned datalen)
+{
+ if(flags)
+ return false;
+
+ lock();
+ count = 0;
+
+ if(!nflush(false)) {
+ unlock();
+ return false;
+ }
+
+ while(datalen > 0) {
+ ssize_t written = _write(data, datalen);
+ if(written < 0) {
+ flags |= flag_error;
+ errnum = errno;
+ unlock();
+ return false;
+ }
+ datalen -= written;
+ data += written;
+ offset += written;
+ count += written;
+ }
+ unlock();
+ return true;
+}
+
+bool fdobuf::write(const char* data, unsigned datalen)
+{
+ if(datalen >= bufsize)
+ return write_large(data, datalen);
+
+ if(flags)
+ return false;
+
+ lock();
+ const char* ptr = data;
+ count = 0;
+ // Amount is the number of bytes available in the buffer
+ unsigned amount = bufsize-bufpos;
+ while(datalen >= amount) {
+ // If we get here, this copy will completely fill the buffer,
+ // requiring a flush
+ memcpy(buf+bufpos, ptr, amount);
+ bufpos = bufsize;
+ buflength = bufsize;
+ datalen -= amount;
+ ptr += amount;
+ if(!nflush(false)) {
+ unlock();
+ return false;
+ }
+ count += amount;
+ amount = bufsize-bufpos;
+ }
+ // At this point, the remaining data will fit into the buffer
+ memcpy(buf+bufpos, ptr, datalen);
+ count += datalen;
+ bufpos += datalen;
+ if(bufpos > buflength) buflength = bufpos;
+ unlock();
+ return true;
+}
+
+ssize_t fdobuf::_write(const char* buf, ssize_t len)
+{
+ return ::write(fd, buf, len);
+}
+
+///////////////////////////////////////////////////////////////////////////////
+// Manipulators
+///////////////////////////////////////////////////////////////////////////////
+fdobuf& endl(fdobuf& fd)
+{
+ fd.write("\n", 1);
+ fd.flush();
+ return fd;
+}
diff --git a/lib/fdbuf/fdobuf.h b/lib/fdbuf/fdobuf.h
new file mode 100644
index 0000000..f59f815
--- /dev/null
+++ b/lib/fdbuf/fdobuf.h
@@ -0,0 +1,92 @@
+// Copyright (C) 2017 Bruce Guenter <bruce@untroubled.org>
+//
+// 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 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+#ifndef FDBUF__FDOBUF__H__
+#define FDBUF__FDOBUF__H__
+
+#include "fdbuf.h"
+
+class fdobuf : protected fdbuf
+{
+public:
+ enum openflags { create=O_CREAT,
+ excl=O_EXCL,
+ trunc=O_TRUNC,
+ append=O_APPEND };
+
+ fdobuf(const char* filename, int, int mode = 0666,
+ unsigned bufsz = FDBUF_SIZE);
+ fdobuf(int fdesc, bool dc=false, unsigned bufsz = FDBUF_SIZE);
+ virtual ~fdobuf();
+ bool close();
+ bool operator!() const;
+ operator bool() const
+ {
+ return !operator!();
+ }
+ bool flush();
+ bool sync();
+ virtual bool write(char);
+ bool write(unsigned char c) { return write((char)c); }
+ bool write(signed char c) { return write((char)c); }
+ virtual bool write(const char*, unsigned);
+ bool write(const unsigned char* b, unsigned l) { return write((char*)b, l); }
+ bool write(const signed char* b, unsigned l) { return write((char*)b, l); }
+ virtual bool write_large(const char*, unsigned);
+ unsigned last_count() { return count; }
+ bool seek(unsigned o);
+ bool rewind() { return seek(0); }
+ unsigned tell() const { return offset + bufpos; }
+
+ bool chown(uid_t, gid_t) const;
+ bool chmod(mode_t) const;
+
+ fdobuf& operator<<(const char* str)
+ {
+ write(str, strlen(str));
+ return *this;
+ }
+ fdobuf& operator<<(char ch)
+ {
+ write(ch);
+ return *this;
+ }
+ fdobuf& operator<<(fdobuf& (*manip)(fdobuf&))
+ {
+ return manip(*this);
+ }
+ fdobuf& operator<<(unsigned long);
+ fdobuf& operator<<(signed long);
+ fdobuf& operator<<(unsigned i) { return operator<<((unsigned long)i); }
+ fdobuf& operator<<(signed i) { return operator<<((signed long)i); }
+ fdobuf& operator<<(unsigned short i) { return operator<<((unsigned long)i); }
+ fdobuf& operator<<(signed short i) { return operator<<((signed long)i); }
+
+ int error_number() const { return errnum; }
+protected:
+ virtual bool nflush(bool withsync);
+ virtual ssize_t _write(const char* buf, ssize_t len);
+
+ unsigned bufpos; // Current write position in the buffer
+ unsigned count; // Number of bytes written by last operation
+};
+
+fdobuf& endl(fdobuf& fd);
+
+extern fdobuf fout;
+extern fdobuf ferr;
+
+#endif // FDBUF__FDOBUF__H__
diff --git a/lib/fdbuf/fdobuf_chownmod.cc b/lib/fdbuf/fdobuf_chownmod.cc
new file mode 100644
index 0000000..61bc34a
--- /dev/null
+++ b/lib/fdbuf/fdobuf_chownmod.cc
@@ -0,0 +1,34 @@
+// Copyright (C) 2017 Bruce Guenter <bruce@untroubled.org>
+//
+// 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 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+#include <string.h>
+#include "fdbuf.h"
+#include <sys/stat.h>
+#include <unistd.h>
+
+bool fdobuf::chown(uid_t uid, gid_t gid) const
+{
+ if(error())
+ return false;
+ return fchown(fd, uid, gid) != -1;
+}
+
+bool fdobuf::chmod(mode_t mode) const
+{
+ if(error())
+ return false;
+ return fchmod(fd, mode) != -1;
+}
diff --git a/lib/fdbuf/fdobuf_seek.cc b/lib/fdbuf/fdobuf_seek.cc
new file mode 100644
index 0000000..ab376ea
--- /dev/null
+++ b/lib/fdbuf/fdobuf_seek.cc
@@ -0,0 +1,48 @@
+// Copyright (C) 2017 Bruce Guenter <bruce@untroubled.org>
+//
+// 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 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+#include "fdbuf.h"
+#include <errno.h>
+#include <unistd.h>
+
+bool fdobuf::seek(unsigned o)
+{
+ if(flags)
+ return false;
+
+ lock();
+ unsigned buf_start = offset;
+ unsigned buf_end = offset + buflength;
+ if(o >= buf_start && o < buf_end) {
+ bufpos = o - buf_start;
+ }
+ else {
+ if(!nflush(false)) {
+ unlock();
+ return false;
+ }
+ if(lseek(fd, o, SEEK_SET) != (off_t)o) {
+ errnum = errno;
+ flags |= flag_error;
+ unlock();
+ return false;
+ }
+ offset = o;
+ }
+ count = 0;
+ unlock();
+ return true;
+}
diff --git a/lib/fdbuf/fdobuf_signed.cc b/lib/fdbuf/fdobuf_signed.cc
new file mode 100644
index 0000000..4282ace
--- /dev/null
+++ b/lib/fdbuf/fdobuf_signed.cc
@@ -0,0 +1,38 @@
+// Copyright (C) 2017 Bruce Guenter <bruce@untroubled.org>
+//
+// 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 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+#include "fdbuf.h"
+#include <limits.h>
+
+#define MAXSTRLEN ((sizeof(signed long)*CHAR_BIT)/3)
+
+fdobuf& fdobuf::operator<<(signed long i)
+{
+ if(i == 0)
+ return operator<<('0');
+ if(i < 0) {
+ operator<<('-');
+ i = -i;
+ }
+ char buf[MAXSTRLEN+1];
+ char* ptr = buf+MAXSTRLEN;
+ *ptr-- = 0;
+ while(i) {
+ *ptr-- = i % 10 + '0';
+ i /= 10;
+ }
+ return operator<<(ptr+1);
+}
diff --git a/lib/fdbuf/fdobuf_unsigned.cc b/lib/fdbuf/fdobuf_unsigned.cc
new file mode 100644
index 0000000..61fc098
--- /dev/null
+++ b/lib/fdbuf/fdobuf_unsigned.cc
@@ -0,0 +1,34 @@
+// Copyright (C) 2017 Bruce Guenter <bruce@untroubled.org>
+//
+// 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 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+#include "fdbuf.h"
+#include <limits.h>
+
+#define MAXSTRLEN ((sizeof(signed long)*CHAR_BIT)/3)
+
+fdobuf& fdobuf::operator<<(unsigned long i)
+{
+ if(i == 0)
+ return operator<<('0');
+ char buf[MAXSTRLEN+1];
+ char* ptr = buf+MAXSTRLEN;
+ *ptr-- = 0;
+ while(i) {
+ *ptr-- = i % 10 + '0';
+ i /= 10;
+ }
+ return operator<<(ptr+1);
+}
diff --git a/lib/fdbuf/tlsibuf.cc b/lib/fdbuf/tlsibuf.cc
new file mode 100644
index 0000000..787c323
--- /dev/null
+++ b/lib/fdbuf/tlsibuf.cc
@@ -0,0 +1,31 @@
+// Copyright (C) 2017 Bruce Guenter <bruce@untroubled.org>
+//
+// 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 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+#include "tlsibuf.h"
+
+///////////////////////////////////////////////////////////////////////////////
+// Class tlsibuf
+///////////////////////////////////////////////////////////////////////////////
+tlsibuf::tlsibuf(gnutls_session_t s, unsigned bufsz)
+ : fdibuf(-1, false, bufsz), session(s)
+{
+ flags &= ~flag_closed;
+}
+
+ssize_t tlsibuf::_read(char* buf, ssize_t len)
+{
+ return gnutls_record_recv(session, buf, len);
+}
diff --git a/lib/fdbuf/tlsibuf.h b/lib/fdbuf/tlsibuf.h
new file mode 100644
index 0000000..3c74365
--- /dev/null
+++ b/lib/fdbuf/tlsibuf.h
@@ -0,0 +1,32 @@
+// Copyright (C) 2017 Bruce Guenter <bruce@untroubled.org>
+//
+// 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 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+#ifndef FDBUF__TLSIBUF__H__
+#define FDBUF__TLSIBUF__H__
+
+#include "fdibuf.h"
+#include <gnutls/gnutls.h>
+
+class tlsibuf : public fdibuf
+{
+public:
+ tlsibuf(gnutls_session_t, unsigned bufsz = FDBUF_SIZE);
+protected:
+ gnutls_session_t session;
+ virtual ssize_t _read(char* buf, ssize_t len);
+};
+
+#endif // FDBUF__TLSIBUF__H__
diff --git a/lib/fdbuf/tlsobuf.cc b/lib/fdbuf/tlsobuf.cc
new file mode 100644
index 0000000..83d68f8
--- /dev/null
+++ b/lib/fdbuf/tlsobuf.cc
@@ -0,0 +1,31 @@
+// Copyright (C) 2017 Bruce Guenter <bruce@untroubled.org>
+//
+// 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 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+#include "tlsobuf.h"
+
+///////////////////////////////////////////////////////////////////////////////
+// Class tlsobuf
+///////////////////////////////////////////////////////////////////////////////
+tlsobuf::tlsobuf(gnutls_session_t s, unsigned bufsz)
+ : fdobuf(-1, false, bufsz), session(s)
+{
+ flags &= ~flag_closed;
+}
+
+ssize_t tlsobuf::_write(const char* buf, ssize_t len)
+{
+ return gnutls_record_send(session, buf, len);
+}
diff --git a/lib/fdbuf/tlsobuf.h b/lib/fdbuf/tlsobuf.h
new file mode 100644
index 0000000..43f68ec
--- /dev/null
+++ b/lib/fdbuf/tlsobuf.h
@@ -0,0 +1,32 @@
+// Copyright (C) 2017 Bruce Guenter <bruce@untroubled.org>
+//
+// 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 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+#ifndef FDBUF__TLSOBUF__H__
+#define FDBUF__TLSOBUF__H__
+
+#include "fdobuf.h"
+#include <gnutls/gnutls.h>
+
+class tlsobuf : public fdobuf
+{
+public:
+ tlsobuf(gnutls_session_t, unsigned bufsz = FDBUF_SIZE);
+protected:
+ gnutls_session_t session;
+ virtual ssize_t _write(const char* buf, ssize_t len);
+};
+
+#endif // FDBUF__TLSOBUF__H__
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