The AX_CXX_COMPILE_STDCXX* macros that were embedded in aclocal.m4
have been replaced with the versions found in the autoconf-archive
package from Debian 9.
Flags like -a, -d and -s have many overlap effects. This patch restricts
the effect of flags to a simple action.
New -u (user) flag replaces -a optional argument for running saned as a different user.
The code that retrieve the user info and drop privileges migrated to runas_user().
As a side effect, PID file can be created even if getting user info fails.
New -l (listen) flag sets run_mode to standalone.
New -D (daemonize) flag daemonizes saned after bind.
New -o (once) make saned exit after the first client disconnects.
Flag -s (syslog) is gone. Previous behavior can be reproduced with '-a -d level -o -f'.
New -e (stderr) flag for redirecting output to stderr, instead of syslog.
Flag -d (debug) now only sets the debug level and argument is required. Previous behavior
can be reproduced with '-a -d level -o -f -e'.
The run_mode SANED_RUN_DEBUG and SANED_RUN_ALONE shared most of its code
path. With the new flags dealing with their difference, SANED_RUN_DEBUG is gone.
Flag '-a' still works as before but it can be replaced by '-l -D -u user'.
Current uses of -d (debug) or -s (syslog) will break.
Signed-off-by: Luiz Angelo Daros de Luca <luizluca@gmail.com>
The fileno() is only available if its feature test macro passes. The
various symbols are defined appropriately in ../include/sane/config.h
during configuration of the build.
If the ICC profile added does not match the colour format of the
image, libpng will abort. This can leave the scanner motors in an
incorrect state and possibly cause permanent damage.
This cuts out some duplicate code, and enables us to reuse this
logic for PNG, JPEG, and any other future output format.
sanei_load_icc_profile also allows us to know that an ICC profile
file is not long enough before we start to write it to the output;
this should prevent poorly-written software from overflowing into
image data when they read the bad profile based on its length.
This ought to get rid of the last empty compilation unit warnings. This
merges libfelib.la with liblib.la. The former was always used together
with the latter. The latter was only ever used without the former when
linking backends and tools.
Tools might want to use the getopt functions, backends might just want
to use MD5.
The distclean target should only remove files that make creates. If
there are any that need taking care of, they should be added in on a
per file basis in the Makefile.am that creates it.
This gets rid of a number of obsoleted macros and replaces RETSIGTYPE
with a void literal which can be assumed for C89 and later.
This changeset was prepared using autoupdate and modified to get rid of
whitespace and doubled [] changes. Changes to acinclude.m4 were added
by hand.
Several variables are considered "user variables" by the GNU Standards.
This means that the user can pass these to their ./configure and make
invocations as they see fit. These variables include CPPFLAGS, CFLAGS
and LDFLAGS.
This changeset pushes our use of these variables to the automake shadow
variables, AM_CPPFLAGS, AM_CFLAGS and AM_LDFLAGS, so that user variables
will no longer clobber flags required in order to build.
The AC_SUBST and PKG_CHECK_MODULE invocations in configure.ac as well as
acinclude.m4 are sufficient to trigger automake to insert initialization
logic for the variables these introduce. There is no need to do this by
hand. Wherever these values are needed, it is better to use a variable.
This allows for one-off overrides on the make command-line (without the
need to run ./configure) for one thing.
This should fix [-Wstrict-aliasing] compiler warnings on those systems
where the IN6_IS_ADDR_LOOPBACK and IN6_IS_ADDR_V4MAPPED macros exist.
POSIX.1-2001 states that they shall be defined in netinit/in.h so most
systems will probably have them.
- in some cases atexit() doesn't work with libusb-compat
- all exit() functions are replaced by scanimage_exit()
- scanimage_exit() has a new parameter (exit status)
In the process, simplify processing the device list format: don't copy
the format string for writing \0 into it, just iterate over chunks in
the original string.
Improving here means do not set LIBS/CFLAGS if library is not detected.
This prevents some unknown options based to ld when host is Linux and
target is mingw32/64. Further improvements are needed if one wants this
snmp support when cross compiling to really work.
Also, to make commit bisectable, updated all autofoo files using
'autoreconf -i -f' and repatching ltmain.sh.
Also, test-driver was missing from git repo but the Makefile.in
checked in expected it to exist.
using backend debugging using SANE_DEBUG_xxx to be used for saned controlled
scanning when using socket activation. When only the socket is received we
use the existing code path.
Options were in README but removed at some point. They
are useful so add them back.
Document BACKENDS and PRELOADABLE_BACKENDS variables in
README as well as in configure --help output.
Add check for winsock2.h for socket.h replancement. Also, use this
check to add ws2_32 library. Also, switch all winsock.h references
to winsock2.h.
Add check for getuid and getpass; which are not on mingw.
Add a syslog() replacement that is basically a print(). This
is also used by vsyslog() replacement.
Comment out parts of replacement sigprocmask.c on mingw.
To support these configure.in changes, I need to rebuild all
related files with autoconf 2.68 and libtool 2.4. Hand ported
our sane-backend specific changes to newer ltmain.sh.
The following updates were made to all directories but backends.
That still needs work. There are also still some pthread issues
and syslog is missing.
Windows doesn't support SIGHUP or SIGPIPE so make that optional.
Only include socket header files when sys/socket.h is detected.
Use winsock.h on windows.
Only include syslog.h when vsyslog() was detect by configure.
Skip FD_CLOEXEC when not supported by OS (not defined).
Only include sys/ioctl.h on platforms that define it.
Olaf Meeuwissen