- Robert Elz
- Mike Frysinger
- Peter Ivanov
+ - Jouk Jansen
- Per Øyvind Karlsen
- Thomas Klausner
- Richard Koch
[AC_MSG_ERROR([Required header file(s) are missing.])])
# If any of these headers are missing, things should still work correctly:
-AC_CHECK_HEADERS([sys/param.h sys/sysctl.h byteswap.h],
- [], [], [
-#ifdef HAVE_SYS_PARAM_H
-# include <sys/param.h>
-#endif
-])
+AC_CHECK_HEADERS([byteswap.h])
# Even if we have byteswap.h, we may lack the specific macros/functions.
if test x$ac_cv_header_byteswap_h = xyes ; then
# Find the best function to set timestamps.
AC_CHECK_FUNCS([futimens futimes futimesat utimes utime], [break])
-lc_PHYSMEM
-lc_CPUCORES
+TUKLIB_PROGNAME
+TUKLIB_PHYSMEM
+TUKLIB_CPUCORES
###############################################################################
+++ /dev/null
-dnl ###########################################################################
-dnl
-dnl lc_PHYSMEM - Check how to find out the amount of physical memory
-dnl
-dnl - sysconf() gives all the needed info on GNU+Linux and Solaris.
-dnl - BSDs use sysctl().
-dnl - sysinfo() works on Linux/dietlibc and probably on other Linux systems
-dnl whose libc may lack sysconf().
-dnl
-dnl ###########################################################################
-dnl
-dnl Author: Lasse Collin
-dnl
-dnl This file has been put into the public domain.
-dnl You can do whatever you want with this file.
-dnl
-dnl ###########################################################################
-AC_DEFUN([lc_PHYSMEM], [
-AC_MSG_CHECKING([how to detect the amount of physical memory])
-AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
-#include <unistd.h>
-int
-main(void)
-{
- long i;
- i = sysconf(_SC_PAGESIZE);
- i = sysconf(_SC_PHYS_PAGES);
- return 0;
-}
-]])], [
- AC_DEFINE([HAVE_PHYSMEM_SYSCONF], [1],
- [Define to 1 if the amount of physical memory can be detected
- with sysconf(_SC_PAGESIZE) and sysconf(_SC_PHYS_PAGES).])
- AC_MSG_RESULT([sysconf])
-], [
-AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
-#include <sys/types.h>
-#ifdef HAVE_SYS_PARAM_H
-# include <sys/param.h>
-#endif
-#include <sys/sysctl.h>
-int
-main(void)
-{
- int name[2] = { CTL_HW, HW_PHYSMEM };
- unsigned long mem;
- size_t mem_ptr_size = sizeof(mem);
- sysctl(name, 2, &mem, &mem_ptr_size, NULL, 0);
- return 0;
-}
-]])], [
- AC_DEFINE([HAVE_PHYSMEM_SYSCTL], [1],
- [Define to 1 if the amount of physical memory can be detected
- with sysctl().])
- AC_MSG_RESULT([sysctl])
-], [
-dnl sysinfo() is Linux-specific. Some non-Linux systems have
-dnl incompatible sysinfo() so we must check $host_os.
-case $host_os in
- linux*)
- AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
-#include <sys/sysinfo.h>
-int
-main(void)
-{
- struct sysinfo si;
- sysinfo(&si);
- return 0;
-}
- ]])], [
- AC_DEFINE([HAVE_PHYSMEM_SYSINFO], [1],
- [Define to 1 if the amount of physical memory
- can be detected with Linux sysinfo().])
- AC_MSG_RESULT([sysinfo])
- ], [
- AC_MSG_RESULT([unknown])
- ])
- ;;
- *)
- AC_MSG_RESULT([unknown])
- ;;
-esac
-])])
-])dnl lc_PHYSMEM
--- /dev/null
+#
+# SYNOPSIS
+#
+# TUKLIB_COMMON
+#
+# DESCRIPTION
+#
+# Common checks for tuklib.
+#
+# COPYING
+#
+# Author: Lasse Collin
+#
+# This file has been put into the public domain.
+# You can do whatever you want with this file.
+#
+
+AC_DEFUN_ONCE([TUKLIB_COMMON], [
+AC_REQUIRE([AC_CANONICAL_HOST])
+AC_REQUIRE([AC_PROG_CC_C99])
+AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
+])dnl
-dnl ###########################################################################
-dnl
-dnl lc_CPUCORES - Check how to find out the number of online CPU cores
-dnl
-dnl Check how to find out the number of available CPU cores in the system.
-dnl sysconf(_SC_NPROCESSORS_ONLN) works on most systems, except that BSDs
-dnl use sysctl().
-dnl
-dnl ###########################################################################
-dnl
-dnl Author: Lasse Collin
-dnl
-dnl This file has been put into the public domain.
-dnl You can do whatever you want with this file.
-dnl
-dnl ###########################################################################
-AC_DEFUN([lc_CPUCORES], [
+#
+# SYNOPSIS
+#
+# TUKLIB_CPUCORES
+#
+# DESCRIPTION
+#
+# Check how to find out the number of available CPU cores in the system.
+# This information is used by tuklib_cpucores.c.
+#
+# Currently this supports sysctl() (BSDs, OS/2) and sysconf() (GNU/Linux,
+# Solaris, Cygwin).
+#
+# COPYING
+#
+# Author: Lasse Collin
+#
+# This file has been put into the public domain.
+# You can do whatever you want with this file.
+#
+
+AC_DEFUN_ONCE([TUKLIB_CPUCORES], [
+AC_REQUIRE([TUKLIB_COMMON])
+
+# sys/param.h might be needed by sys/sysctl.h.
+AC_CHECK_HEADERS([sys/param.h])
+
AC_MSG_CHECKING([how to detect the number of available CPU cores])
-AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
-#include <unistd.h>
-int
-main(void)
-{
- long i;
- i = sysconf(_SC_NPROCESSORS_ONLN);
- return 0;
-}
-]])], [
- AC_DEFINE([HAVE_CPUCORES_SYSCONF], [1],
- [Define to 1 if the number of available CPU cores can be
- detected with sysconf(_SC_NPROCESSORS_ONLN).])
- AC_MSG_RESULT([sysconf])
-], [
+
+# Look for sysctl() solution first, because on OS/2, both sysconf()
+# and sysctl() pass the tests in this file, but only sysctl()
+# actually works.
AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
#include <sys/types.h>
#ifdef HAVE_SYS_PARAM_H
return 0;
}
]])], [
- AC_DEFINE([HAVE_CPUCORES_SYSCTL], [1],
+ AC_DEFINE([TUKLIB_CPUCORES_SYSCTL], [1],
[Define to 1 if the number of available CPU cores can be
detected with sysctl().])
AC_MSG_RESULT([sysctl])
], [
+
+AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
+#include <unistd.h>
+int
+main(void)
+{
+ long i;
+ i = sysconf(_SC_NPROCESSORS_ONLN);
+ return 0;
+}
+]])], [
+ AC_DEFINE([TUKLIB_CPUCORES_SYSCONF], [1],
+ [Define to 1 if the number of available CPU cores can be
+ detected with sysconf(_SC_NPROCESSORS_ONLN).])
+ AC_MSG_RESULT([sysconf])
+], [
AC_MSG_RESULT([unknown])
])])
-])dnl lc_CPUCORES
+])dnl
--- /dev/null
+#
+# SYNOPSIS
+#
+# TUKLIB_PHYSMEM
+#
+# DESCRIPTION
+#
+# Check how to get the amount of physical memory.
+# This information is used in tuklib_physmem.c.
+#
+# Supported methods:
+#
+# - Windows (including Cygwin), OS/2, DJGPP (DOS), and OpenVMS have
+# operating-system specific functions.
+#
+# - sysconf() works on GNU/Linux and Solaris, and possibly on
+# some BSDs.
+#
+# - BSDs use sysctl().
+#
+# - sysinfo() works on Linux/dietlibc and probably on other Linux
+# systems whose libc may lack sysconf().
+#
+# COPYING
+#
+# Author: Lasse Collin
+#
+# This file has been put into the public domain.
+# You can do whatever you want with this file.
+#
+
+AC_DEFUN_ONCE([TUKLIB_PHYSMEM], [
+AC_REQUIRE([TUKLIB_COMMON])
+
+# sys/param.h might be needed by sys/sysctl.h.
+AC_CHECK_HEADERS([sys/param.h])
+
+AC_MSG_CHECKING([how to detect the amount of physical memory])
+
+# Maybe checking $host_os would be enough but this matches what
+# tuklib_physmem.c does.
+AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
+#if defined(_WIN32) || defined(__CYGWIN__) || defined(__OS2__) \
+ || defined(__DJGPP__) || defined(__VMS)
+int main(void) { return 0; }
+#else
+#error
+#endif
+]])], [
+ AC_MSG_RESULT([special])
+], [
+
+AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
+#include <unistd.h>
+int
+main(void)
+{
+ long i;
+ i = sysconf(_SC_PAGESIZE);
+ i = sysconf(_SC_PHYS_PAGES);
+ return 0;
+}
+]])], [
+ AC_DEFINE([TUKLIB_PHYSMEM_SYSCONF], [1],
+ [Define to 1 if the amount of physical memory can be detected
+ with sysconf(_SC_PAGESIZE) and sysconf(_SC_PHYS_PAGES).])
+ AC_MSG_RESULT([sysconf])
+], [
+
+AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
+#include <sys/types.h>
+#ifdef HAVE_SYS_PARAM_H
+# include <sys/param.h>
+#endif
+#include <sys/sysctl.h>
+int
+main(void)
+{
+ int name[2] = { CTL_HW, HW_PHYSMEM };
+ unsigned long mem;
+ size_t mem_ptr_size = sizeof(mem);
+ sysctl(name, 2, &mem, &mem_ptr_size, NULL, 0);
+ return 0;
+}
+]])], [
+ AC_DEFINE([TUKLIB_PHYSMEM_SYSCTL], [1],
+ [Define to 1 if the amount of physical memory can be detected
+ with sysctl().])
+ AC_MSG_RESULT([sysctl])
+], [
+
+# This version of sysinfo() is Linux-specific. Some non-Linux systems have
+# different sysinfo() so we must check $host_os.
+case $host_os in
+ linux*)
+ AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
+#include <sys/sysinfo.h>
+int
+main(void)
+{
+ struct sysinfo si;
+ sysinfo(&si);
+ return 0;
+}
+ ]])], [
+ AC_DEFINE([TUKLIB_PHYSMEM_SYSINFO], [1],
+ [Define to 1 if the amount of physical memory
+ can be detected with Linux sysinfo().])
+ AC_MSG_RESULT([sysinfo])
+ ], [
+ AC_MSG_RESULT([unknown])
+ ])
+ ;;
+ *)
+ AC_MSG_RESULT([unknown])
+ ;;
+esac
+])])])
+])dnl
--- /dev/null
+#
+# SYNOPSIS
+#
+# TUKLIB_PROGNAME
+#
+# DESCRIPTION
+#
+# Put argv[0] into a global variable progname. On DOS-like systems,
+# modify it so that it looks nice (no full path or .exe suffix).
+#
+# This .m4 file is needed allow this module to use glibc's
+# program_invocation_name.
+#
+# COPYING
+#
+# Author: Lasse Collin
+#
+# This file has been put into the public domain.
+# You can do whatever you want with this file.
+#
+
+AC_DEFUN_ONCE([TUKLIB_PROGNAME], [
+AC_REQUIRE([TUKLIB_COMMON])
+AC_CHECK_DECLS([program_invocation_name], [], [], [#include <errno.h>])
+])dnl
// Macros //
////////////
-#if defined(_WIN32) || defined(__MSDOS__) || defined(__OS2__)
-# define DOSLIKE 1
-#endif
-
#undef memzero
#define memzero(s, n) memset(s, 0, n)
--- /dev/null
+///////////////////////////////////////////////////////////////////////////////
+//
+/// \file tuklib_common.h
+/// \brief Common definitions for tuklib modules
+//
+// Author: Lasse Collin
+//
+// This file has been put into the public domain.
+// You can do whatever you want with this file.
+//
+///////////////////////////////////////////////////////////////////////////////
+
+#ifndef TUKLIB_COMMON_H
+#define TUKLIB_COMMON_H
+
+// The config file may be replaced by a package-specific file.
+// It should include at least stddef.h, inttypes.h, and limits.h.
+#include "tuklib_config.h"
+
+// TUKLIB_SYMBOL_PREFIX is prefixed to all symbols exported by
+// the tuklib modules. If you use a tuklib module in a library,
+// you should use TUKLIB_SYMBOL_PREFIX to make sure that there
+// are no symbol conflicts in case someone links your library
+// into application that also uses the same tuklib module.
+#ifndef TUKLIB_SYMBOL_PREFIX
+# define TUKLIB_SYMBOL_PREFIX
+#endif
+
+#define TUKLIB_CAT_X(a, b) a ## b
+#define TUKLIB_CAT(a, b) TUKLIB_CAT_X(a, b)
+
+#ifndef TUKLIB_SYMBOL
+# define TUKLIB_SYMBOL(sym) TUKLIB_CAT(TUKLIB_SYMBOL_PREFIX, sym)
+#endif
+
+#ifndef TUKLIB_DECLS_BEGIN
+# ifdef __cplusplus
+# define TUKLIB_DECLS_BEGIN extern "C" {
+# else
+# define TUKLIB_DECLS_BEGIN
+# endif
+#endif
+
+#ifndef TUKLIB_DECLS_END
+# ifdef __cplusplus
+# define TUKLIB_DECLS_END }
+# else
+# define TUKLIB_DECLS_END
+# endif
+#endif
+
+#define TUKLIB_GNUC_REQ(major, minor) \
+ (defined(__GNUC__) && defined(__GNUC_MINOR__) \
+ && ((__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)) \
+ || __GNUC__ > (major)))
+
+#if TUKLIB_GNUC_REQ(2, 5)
+# define tuklib_attr_noreturn __attribute__((__noreturn__))
+#else
+# define tuklib_attr_noreturn
+#endif
+
+#if defined(_WIN32) || defined(__OS2__) || defined(__MSDOS__)
+# define TUKLIB_DOSLIKE 1
+#endif
+
+#endif
--- /dev/null
+#include "sysdefs.h"
///////////////////////////////////////////////////////////////////////////////
//
-/// \file cpucores.h
-/// \brief Get the number of online CPU cores
+/// \file tuklib_cpucores.c
+/// \brief Get the number of CPU cores online
//
// Author: Lasse Collin
//
//
///////////////////////////////////////////////////////////////////////////////
-#ifndef CPUCORES_H
-#define CPUCORES_H
+#include "tuklib_cpucores.h"
-#if defined(HAVE_CPUCORES_SYSCONF)
-# include <unistd.h>
-
-#elif defined(HAVE_CPUCORES_SYSCTL)
+#if defined(TUKLIB_CPUCORES_SYSCTL)
# ifdef HAVE_SYS_PARAM_H
# include <sys/param.h>
# endif
-# ifdef HAVE_SYS_SYSCTL_H
-# include <sys/sysctl.h>
-# endif
+# include <sys/sysctl.h>
+
+#elif defined(TUKLIB_CPUCORES_SYSCONF)
+# include <unistd.h>
#endif
-static inline uint32_t
-cpucores(void)
+extern uint32_t
+tuklib_cpucores(void)
{
uint32_t ret = 0;
-#if defined(HAVE_CPUCORES_SYSCONF)
- const long cpus = sysconf(_SC_NPROCESSORS_ONLN);
- if (cpus > 0)
- ret = (uint32_t)(cpus);
-
-#elif defined(HAVE_CPUCORES_SYSCTL)
+#if defined(TUKLIB_CPUCORES_SYSCTL)
int name[2] = { CTL_HW, HW_NCPU };
int cpus;
size_t cpus_size = sizeof(cpus);
if (sysctl(name, 2, &cpus, &cpus_size, NULL, 0) != -1
&& cpus_size == sizeof(cpus) && cpus > 0)
- ret = (uint32_t)(cpus);
+ ret = (uint32_t)cpus;
+
+#elif defined(TUKLIB_CPUCORES_SYSCONF)
+ const long cpus = sysconf(_SC_NPROCESSORS_ONLN);
+ if (cpus > 0)
+ ret = (uint32_t)cpus;
#endif
return ret;
}
-
-#endif
--- /dev/null
+///////////////////////////////////////////////////////////////////////////////
+//
+/// \file tuklib_cpucores.h
+/// \brief Get the number of CPU cores online
+//
+// Author: Lasse Collin
+//
+// This file has been put into the public domain.
+// You can do whatever you want with this file.
+//
+///////////////////////////////////////////////////////////////////////////////
+
+#ifndef TUKLIB_CPUCORES_H
+#define TUKLIB_CPUCORES_H
+
+#include "tuklib_common.h"
+TUKLIB_DECLS_BEGIN
+
+#define tuklib_cpucores TUKLIB_SYMBOL(tuklib_cpucores)
+extern uint32_t tuklib_cpucores(void);
+
+TUKLIB_DECLS_END
+#endif
--- /dev/null
+///////////////////////////////////////////////////////////////////////////////
+//
+/// \file tuklib_exit.c
+/// \brief Close stdout and stderr, and exit
+//
+// Author: Lasse Collin
+//
+// This file has been put into the public domain.
+// You can do whatever you want with this file.
+//
+///////////////////////////////////////////////////////////////////////////////
+
+#include "tuklib_common.h"
+
+#include <stdlib.h>
+#include <stdio.h>
+
+#include "tuklib_gettext.h"
+#include "tuklib_progname.h"
+#include "tuklib_exit.h"
+
+
+extern void
+tuklib_exit(int status, int err_status, int show_error)
+{
+ if (status != err_status) {
+ // Close stdout. If something goes wrong,
+ // print an error message to stderr.
+ const int ferror_err = ferror(stdout);
+ const int fclose_err = fclose(stdout);
+ if (ferror_err || fclose_err) {
+ status = err_status;
+
+ // If it was fclose() that failed, we have the reason
+ // in errno. If only ferror() indicated an error,
+ // we have no idea what the reason was.
+ if (show_error)
+ fprintf(stderr, "%s: %s: %s\n", progname,
+ _("Writing to standard "
+ "output failed"),
+ fclose_err ? strerror(errno)
+ : _("Unknown error"));
+ }
+ }
+
+ if (status != err_status) {
+ // Close stderr. If something goes wrong, there's
+ // nothing where we could print an error message.
+ // Just set the exit status.
+ const int ferror_err = ferror(stderr);
+ const int fclose_err = fclose(stderr);
+ if (fclose_err || ferror_err)
+ status = err_status;
+ }
+
+ exit(status);
+}
--- /dev/null
+///////////////////////////////////////////////////////////////////////////////
+//
+/// \file tuklib_exit.h
+/// \brief Close stdout and stderr, and exit
+/// \note Requires tuklib_progname and tuklib_gettext modules
+//
+// Author: Lasse Collin
+//
+// This file has been put into the public domain.
+// You can do whatever you want with this file.
+//
+///////////////////////////////////////////////////////////////////////////////
+
+#ifndef TUKLIB_EXIT_H
+#define TUKLIB_EXIT_H
+
+#include "tuklib_common.h"
+TUKLIB_DECLS_BEGIN
+
+#define tuklib_exit TUKLIB_SYMBOL(tuklib_exit)
+extern void tuklib_exit(int status, int err_status, int show_error)
+ tuklib_attr_noreturn;
+
+TUKLIB_DECLS_END
+#endif
--- /dev/null
+///////////////////////////////////////////////////////////////////////////////
+//
+/// \file tuklib_gettext.h
+/// \brief Wrapper for gettext and friends
+//
+// Author: Lasse Collin
+//
+// This file has been put into the public domain.
+// You can do whatever you want with this file.
+//
+///////////////////////////////////////////////////////////////////////////////
+
+#ifndef TUKLIB_GETTEXT_H
+#define TUKLIB_GETTEXT_H
+
+#include "tuklib_common.h"
+#include <locale.h>
+
+#ifndef TUKLIB_GETTEXT
+# ifdef ENABLE_NLS
+# define TUKLIB_GETTEXT 1
+# else
+# define TUKLIB_GETTEXT 0
+# endif
+#endif
+
+#if TUKLIB_GETTEXT
+# include <libintl.h>
+# define tuklib_gettext_init(package, localedir) \
+ do { \
+ setlocale(LC_ALL, ""); \
+ bindtextdomain(package, localedir); \
+ textdomain(package); \
+ } while (0)
+# define _(msgid) gettext(msgid)
+# define N_(msgid1, msgid2, n) ngettext(msgid1, msgid2, n)
+#else
+# define tuklib_gettext_init(package, localedir) \
+ setlocale(LC_ALL, "")
+# define _(msgid) (msgid)
+# define N_(msgid1, msgid2, n) ((n) == 1 ? (msgid1) : (msgid2))
+#endif
+
+#endif
///////////////////////////////////////////////////////////////////////////////
//
-/// \file open_stdxxx.h
+/// \file tuklib_open_stdxxx.c
/// \brief Make sure that file descriptors 0, 1, and 2 are open
//
// Author: Lasse Collin
//
///////////////////////////////////////////////////////////////////////////////
-#ifndef OPEN_STDXXX_H
-#define OPEN_STDXXX_H
+#include "tuklib_open_stdxxx.h"
-#include <stdlib.h>
-#include <fcntl.h>
-#include <unistd.h>
+#ifndef TUKLIB_DOSLIKE
+# include <stdlib.h>
+# include <errno.h>
+# include <fcntl.h>
+# include <unistd.h>
+#endif
-static void
-open_stdxxx(int status)
+extern void
+tuklib_open_stdxxx(int err_status)
{
+#ifndef TUKLIB_DOSLIKE
for (int i = 0; i <= 2; ++i) {
// We use fcntl() to check if the file descriptor is open.
if (fcntl(i, F_GETFD) == -1 && errno == EBADF) {
// may very well be non-existent. This
// error should be extremely rare.
(void)close(fd);
- exit(status);
+ exit(err_status);
}
}
}
+#endif
return;
}
-
-#endif
--- /dev/null
+///////////////////////////////////////////////////////////////////////////////
+//
+/// \file tuklib_open_stdxxx.h
+/// \brief Make sure that file descriptors 0, 1, and 2 are open
+//
+// Author: Lasse Collin
+//
+// This file has been put into the public domain.
+// You can do whatever you want with this file.
+//
+///////////////////////////////////////////////////////////////////////////////
+
+#ifndef TUKLIB_OPEN_STDXXX_H
+#define TUKLIB_OPEN_STDXXX_H
+
+#include "tuklib_common.h"
+TUKLIB_DECLS_BEGIN
+
+#define tuklib_open_stdxx TUKLIB_SYMBOL(tuklib_open_stdxxx)
+extern void tuklib_open_stdxxx(int err_status);
+
+TUKLIB_DECLS_END
+#endif
///////////////////////////////////////////////////////////////////////////////
//
-/// \file physmem.h
+/// \file tuklib_physmem.c
/// \brief Get the amount of physical memory
//
// Author: Lasse Collin
//
///////////////////////////////////////////////////////////////////////////////
-#ifndef PHYSMEM_H
-#define PHYSMEM_H
+#include "tuklib_physmem.h"
-// Test for Windows first, because we want to use Windows-specific code
-// on Cygwin, which also has memory information available via sysconf(), but
-// on Cygwin 1.5 and older it gives wrong results (from our point of view).
+// We want to use Windows-specific code on Cygwin, which also has memory
+// information available via sysconf(), but on Cygwin 1.5 and older it
+// gives wrong results (from our point of view).
#if defined(_WIN32) || defined(__CYGWIN__)
# ifndef _WIN32_WINNT
# define _WIN32_WINNT 0x0500
#elif defined(__DJGPP__)
# include <dpmi.h>
-#elif defined(HAVE_PHYSMEM_SYSCONF)
+#elif defined(__VMS)
+# include <lib$routines.h>
+# include <syidef.h>
+# include <ssdef.h>
+
+#elif defined(TUKLIB_PHYSMEM_SYSCONF)
# include <unistd.h>
-#elif defined(HAVE_PHYSMEM_SYSCTL)
+#elif defined(TUKLIB_PHYSMEM_SYSCTL)
# ifdef HAVE_SYS_PARAM_H
# include <sys/param.h>
# endif
-# ifdef HAVE_SYS_SYSCTL_H
-# include <sys/sysctl.h>
-# endif
+# include <sys/sysctl.h>
-#elif defined(HAVE_PHYSMEM_SYSINFO)
+// This sysinfo() is Linux-specific.
+#elif defined(TUKLIB_PHYSMEM_SYSINFO)
# include <sys/sysinfo.h>
#endif
-/// \brief Get the amount of physical memory in bytes
-///
-/// \return Amount of physical memory in bytes. On error, zero is
-/// returned.
-static inline uint64_t
-physmem(void)
+extern uint64_t
+tuklib_physmem(void)
{
uint64_t ret = 0;
__dpmi_free_mem_info meminfo;
if (__dpmi_get_free_memory_information(&meminfo) == 0
&& meminfo.total_number_of_physical_pages
- != (unsigned long)(-1))
- ret = (uint64_t)(meminfo.total_number_of_physical_pages)
- * 4096;
+ != (unsigned long)-1)
+ ret = (uint64_t)meminfo.total_number_of_physical_pages * 4096;
+
+#elif defined(__VMS)
+ int vms_mem;
+ int val = SYI$_MEMSIZE;
+ if (LIB$GETSYI(&val, &vms_mem, 0, 0, 0, 0) == SS$_NORMAL)
+ ret = (uint64_t)vms_mem * 8192;
-#elif defined(HAVE_PHYSMEM_SYSCONF)
+#elif defined(TUKLIB_PHYSMEM_SYSCONF)
const long pagesize = sysconf(_SC_PAGESIZE);
const long pages = sysconf(_SC_PHYS_PAGES);
if (pagesize != -1 || pages != -1)
// which may report exactly 4 GiB of RAM, and "long"
// being 32-bit will overflow. Casting to uint64_t
// hopefully avoids overflows in the near future.
- ret = (uint64_t)(pagesize) * (uint64_t)(pages);
+ ret = (uint64_t)pagesize * (uint64_t)pages;
-#elif defined(HAVE_PHYSMEM_SYSCTL)
+#elif defined(TUKLIB_PHYSMEM_SYSCTL)
int name[2] = {
CTL_HW,
#ifdef HW_PHYSMEM64
ret = mem.u32;
}
-#elif defined(HAVE_PHYSMEM_SYSINFO)
+#elif defined(TUKLIB_PHYSMEM_SYSINFO)
struct sysinfo si;
if (sysinfo(&si) == 0)
- ret = (uint64_t)(si.totalram) * si.mem_unit;
+ ret = (uint64_t)si.totalram * si.mem_unit;
#endif
return ret;
}
-
-#endif
--- /dev/null
+///////////////////////////////////////////////////////////////////////////////
+//
+/// \file tuklib_physmem.h
+/// \brief Get the amount of physical memory
+//
+// Author: Lasse Collin
+//
+// This file has been put into the public domain.
+// You can do whatever you want with this file.
+//
+///////////////////////////////////////////////////////////////////////////////
+
+#ifndef TUKLIB_PHYSMEM_H
+#define TUKLIB_PHYSMEM_H
+
+#include "tuklib_common.h"
+TUKLIB_DECLS_BEGIN
+
+#define tuklib_physmem TUKLIB_SYMBOL(tuklib_physmem)
+extern uint64_t tuklib_physmem(void);
+///<
+/// \brief Get the amount of physical memory in bytes
+///
+/// \return Amount of physical memory in bytes. On error, zero is
+/// returned.
+
+TUKLIB_DECLS_END
+#endif
--- /dev/null
+///////////////////////////////////////////////////////////////////////////////
+//
+/// \file tuklib_progname.c
+/// \brief Program name to be displayd in messages
+//
+// Author: Lasse Collin
+//
+// This file has been put into the public domain.
+// You can do whatever you want with this file.
+//
+///////////////////////////////////////////////////////////////////////////////
+
+#include "tuklib_progname.h"
+#include <string.h>
+
+
+#if !HAVE_DECL_PROGRAM_INVOCATION_NAME
+char *progname = NULL;
+#endif
+
+
+extern void
+tuklib_progname_init(char **argv)
+{
+#ifdef TUKLIB_DOSLIKE
+ // On these systems, argv[0] always has the full path and .exe
+ // suffix even if the user just types the plain program name.
+ // We modify argv[0] to make it nicer to read.
+
+ // Strip the leading path.
+ char *p = argv[0] + strlen(argv[0]);
+ while (argv[0] < p && p[-1] != '/' && p[-1] != '\\')
+ --p;
+
+ argv[0] = p;
+
+ // Strip the .exe suffix.
+ p = strrchr(p, '.');
+ if (p != NULL)
+ *p = '\0';
+
+ // Make it lowercase.
+ for (p = argv[0]; *p != '\0'; ++p)
+ if (*p >= 'A' && *p <= 'Z')
+ *p = *p - 'A' + 'a';
+#endif
+
+ progname = argv[0];
+ return;
+}
--- /dev/null
+///////////////////////////////////////////////////////////////////////////////
+//
+/// \file tuklib_progname.h
+/// \brief Program name to be displayd in messages
+//
+// Author: Lasse Collin
+//
+// This file has been put into the public domain.
+// You can do whatever you want with this file.
+//
+///////////////////////////////////////////////////////////////////////////////
+
+#ifndef TUKLIB_PROGNAME_H
+#define TUKLIB_PROGNAME_H
+
+#include "tuklib_common.h"
+#include <errno.h>
+
+TUKLIB_DECLS_BEGIN
+
+#if HAVE_DECL_PROGRAM_INVOCATION_NAME
+# define progname program_invocation_name
+#else
+# define progname TUKLIB_SYMBOL(tuklib_progname)
+ extern char *progname;
+#endif
+
+#define tuklib_progname_init TUKLIB_SYMBOL(tuklib_progname_init)
+extern void tuklib_progname_init(char **argv);
+
+TUKLIB_DECLS_END
+#endif
bin_PROGRAMS = lzmainfo
-lzmainfo_SOURCES = lzmainfo.c
+lzmainfo_SOURCES = \
+ lzmainfo.c \
+ $(top_srcdir)/src/common/tuklib_progname.c \
+ $(top_srcdir)/src/common/tuklib_exit.c
lzmainfo_CPPFLAGS = \
-DLOCALEDIR=\"$(localedir)\" \
#include "lzma.h"
#include "getopt.h"
-
-
-/// Name of the program from argv[0]
-static const char *argv0;
-
-
-/// Close stdout unless we are already going to exit with EXIT_FAILURE.
-/// If closing stdout fails, set exit status to EXIT_FAILURE and print
-/// an error message to stderr. We don't care about closing stderr,
-/// because we don't print anything to stderr unless we are going to
-/// use EXIT_FAILURE anyway.
-static void lzma_attribute((noreturn))
-my_exit(int status)
-{
- if (status != EXIT_FAILURE) {
- const int ferror_err = ferror(stdout);
- const int fclose_err = fclose(stdout);
-
- if (ferror_err || fclose_err) {
- // If it was fclose() that failed, we have the reason
- // in errno. If only ferror() indicated an error,
- // we have no idea what the reason was.
- fprintf(stderr, "%s: %s: %s\n", argv0,
- _("Writing to standard output "
- "failed"),
- fclose_err ? strerror(errno)
- : _("Unknown error"));
- status = EXIT_FAILURE;
- }
- }
-
- exit(status);
-}
+#include "tuklib_gettext.h"
+#include "tuklib_progname.h"
+#include "tuklib_exit.h"
static void lzma_attribute((noreturn))
{
printf(
_("Usage: %s [--help] [--version] [FILE]...\n"
-"Show information stored in the .lzma file header"), argv0);
+"Show information stored in the .lzma file header"), progname);
printf(_(
"\nWith no FILE, or when FILE is -, read standard input.\n"));
PACKAGE_BUGREPORT);
printf(_("%s home page: <%s>\n"), PACKAGE_NAME, PACKAGE_HOMEPAGE);
- my_exit(EXIT_SUCCESS);
+ tuklib_exit(EXIT_SUCCESS, EXIT_FAILURE, true);
}
version(void)
{
puts("lzmainfo (" PACKAGE_NAME ") " PACKAGE_VERSION);
- my_exit(EXIT_SUCCESS);
+ tuklib_exit(EXIT_SUCCESS, EXIT_FAILURE, true);
}
uint8_t buf[13];
const size_t size = fread(buf, 1, sizeof(buf), f);
if (size != 13) {
- fprintf(stderr, "%s: %s: %s\n", argv0, name,
+ fprintf(stderr, "%s: %s: %s\n", progname, name,
ferror(f) ? strerror(errno)
: _("File is too small to be a .lzma file"));
return true;
break;
case LZMA_OPTIONS_ERROR:
- fprintf(stderr, "%s: %s: %s\n", argv0, name,
+ fprintf(stderr, "%s: %s: %s\n", progname, name,
_("Not a .lzma file"));
return true;
case LZMA_MEM_ERROR:
- fprintf(stderr, "%s: %s\n", argv0, strerror(ENOMEM));
+ fprintf(stderr, "%s: %s\n", progname, strerror(ENOMEM));
exit(EXIT_FAILURE);
default:
- fprintf(stderr, "%s: %s\n", argv0, _("Internal error (bug)"));
+ fprintf(stderr, "%s: %s\n", progname,
+ _("Internal error (bug)"));
exit(EXIT_FAILURE);
}
extern int
main(int argc, char **argv)
{
- int ret = EXIT_SUCCESS;
- argv0 = argv[0];
+ tuklib_progname_init(argv);
+ tuklib_gettext_init(PACKAGE, LOCALEDIR);
parse_args(argc, argv);
+ int ret = EXIT_SUCCESS;
+
// We print empty lines around the output only when reading from
// files specified on the command line. This is due to how
// LZMA Utils did it.
if (optind == argc) {
- lzmainfo("(stdin)", stdin);
+ if (lzmainfo("(stdin)", stdin))
+ ret = EXIT_FAILURE;
} else {
printf("\n");
if (f == NULL) {
ret = EXIT_FAILURE;
fprintf(stderr, "%s: %s: %s\n",
- argv0, argv[optind],
+ progname,
+ argv[optind],
strerror(errno));
continue;
}
} while (++optind < argc);
}
- my_exit(ret);
+ tuklib_exit(ret, EXIT_FAILURE, true);
}
suffix.c \
suffix.h \
util.c \
- util.h
+ util.h \
+ $(top_srcdir)/src/common/tuklib_open_stdxxx.c \
+ $(top_srcdir)/src/common/tuklib_progname.c \
+ $(top_srcdir)/src/common/tuklib_exit.c \
+ $(top_srcdir)/src/common/tuklib_physmem.c \
+ $(top_srcdir)/src/common/tuklib_cpucores.c
if COND_W32
xz_SOURCES += xz_w32res.rc
default:
message_try_help();
- my_exit(E_ERROR);
+ tuklib_exit(E_ERROR, E_ERROR, false);
}
}
// Check how we were called.
{
-#ifdef DOSLIKE
- // We adjusted argv[0] in the beginning of main() so we don't
- // need to do anything here.
- const char *name = argv[0];
-#else
// Remove the leading path name, if any.
const char *name = strrchr(argv[0], '/');
if (name == NULL)
name = argv[0];
else
++name;
-#endif
// NOTE: It's possible that name[0] is now '\0' if argv[0]
// is weird, but it doesn't matter here.
#include <fcntl.h>
-#ifdef DOSLIKE
+#ifdef TUKLIB_DOSLIKE
# include <io.h>
+#else
+static bool warn_fchown;
#endif
#if defined(HAVE_FUTIMES) || defined(HAVE_FUTIMESAT) || defined(HAVE_UTIMES)
# include <utime.h>
#endif
+#include "tuklib_open_stdxxx.h"
+
#ifndef O_BINARY
# define O_BINARY 0
#endif
# define O_NOCTTY 0
#endif
-#ifndef DOSLIKE
-# include "open_stdxxx.h"
-static bool warn_fchown;
-#endif
-
extern void
io_init(void)
{
-#ifndef DOSLIKE
// Make sure that stdin, stdout, and and stderr are connected to
// a valid file descriptor. Exit immediatelly with exit code ERROR
// if we cannot make the file descriptors valid. Maybe we should
// print an error message, but our stderr could be screwed anyway.
- open_stdxxx(E_ERROR);
+ tuklib_open_stdxxx(E_ERROR);
+#ifndef TUKLIB_DOSLIKE
// If fchown() fails setting the owner, we warn about it only if
// we are root.
warn_fchown = geteuid() == 0;
}
-/// \brief Unlinks a file
+/// \brief Unlink a file
///
/// This tries to verify that the file being unlinked really is the file that
/// we want to unlink by verifying device and inode numbers. There's still
static void
io_unlink(const char *name, const struct stat *known_st)
{
-#ifdef DOSLIKE
- // On Windows, st_ino is meaningless, so don't bother testing it.
- // Just silence a compiler warning.
+#if defined(TUKLIB_DOSLIKE) || defined(__VMS)
+ // On DOS-like systems, st_ino is meaningless, so don't bother
+ // testing it. Just silence a compiler warning.
(void)known_st;
#else
struct stat new_st;
io_copy_attrs(const file_pair *pair)
{
// Skip chown and chmod on Windows.
-#ifndef DOSLIKE
+#ifndef TUKLIB_DOSLIKE
// This function is more tricky than you may think at first.
// Blindly copying permissions may permit users to access the
// destination file who didn't have permission to access the
// There's nothing to open when reading from stdin.
if (pair->src_name == stdin_filename) {
pair->src_fd = STDIN_FILENO;
-#ifdef DOSLIKE
+#ifdef TUKLIB_DOSLIKE
setmode(STDIN_FILENO, O_BINARY);
#endif
return false;
// Flags for open()
int flags = O_RDONLY | O_BINARY | O_NOCTTY;
-#ifndef DOSLIKE
+#ifndef TUKLIB_DOSLIKE
// If we accept only regular files, we need to be careful to avoid
// problems with special files like devices and FIFOs. O_NONBLOCK
// prevents blocking when opening such files. When we want to accept
#if defined(O_NOFOLLOW)
if (reg_files_only)
flags |= O_NOFOLLOW;
-#elif !defined(DOSLIKE)
+#elif !defined(TUKLIB_DOSLIKE)
// Some POSIX-like systems lack O_NOFOLLOW (it's not required
// by POSIX). Check for symlinks with a separate lstat() on
// these systems.
return true;
}
-#ifndef DOSLIKE
+#ifndef TUKLIB_DOSLIKE
// Drop O_NONBLOCK, which is used only when we are accepting only
// regular files. After the open() call, we want things to block
// instead of giving EAGAIN.
}
// These are meaningless on Windows.
-#ifndef DOSLIKE
+#ifndef TUKLIB_DOSLIKE
if (pair->src_st.st_mode & (S_ISUID | S_ISGID)) {
// gzip rejects setuid and setgid files even
// when --force was used. bzip2 doesn't check
io_close_src(file_pair *pair, bool success)
{
if (pair->src_fd != STDIN_FILENO && pair->src_fd != -1) {
-#ifdef DOSLIKE
+#ifdef TUKLIB_DOSLIKE
(void)close(pair->src_fd);
#endif
if (success && !opt_keep_original)
io_unlink(pair->src_name, &pair->src_st);
-#ifndef DOSLIKE
+#ifndef TUKLIB_DOSLIKE
(void)close(pair->src_fd);
#endif
}
// We don't modify or free() this.
pair->dest_name = (char *)"(stdout)";
pair->dest_fd = STDOUT_FILENO;
-#ifdef DOSLIKE
+#ifdef TUKLIB_DOSLIKE
setmode(STDOUT_FILENO, O_BINARY);
#endif
return false;
// If this really fails... well, we have a safe fallback.
if (fstat(pair->dest_fd, &pair->dest_st)) {
pair->dest_st.st_dev = 0;
+#ifndef __VMS
pair->dest_st.st_ino = 0;
+#endif
}
return false;
///////////////////////////////////////////////////////////////////////////////
#include "private.h"
-#include "physmem.h"
-#include "cpucores.h"
+#include "tuklib_physmem.h"
+#include "tuklib_cpucores.h"
/// Maximum number of free *coder* threads. This can be set with
{
if (new_threadlimit == 0) {
// The default is the number of available CPU cores.
- threadlimit = cpucores();
+ threadlimit = tuklib_cpucores();
if (threadlimit == 0)
threadlimit = 1;
} else {
assert(percentage > 0);
assert(percentage <= 100);
- uint64_t mem = physmem();
+ uint64_t mem = tuklib_physmem();
// If we cannot determine the amount of RAM, assume 32 MiB. Maybe
// even that is too much on some systems. But on most systems it's
}
-extern void
-my_exit(enum exit_status_type status)
-{
- // Close stdout. If something goes wrong, print an error message
- // to stderr.
- {
- const int ferror_err = ferror(stdout);
- const int fclose_err = fclose(stdout);
- if (ferror_err || fclose_err) {
- // If it was fclose() that failed, we have the reason
- // in errno. If only ferror() indicated an error,
- // we have no idea what the reason was.
- message(V_ERROR, "%s: %s", _("Writing to standard "
- "output failed"),
- fclose_err ? strerror(errno)
- : _("Unknown error"));
- status = E_ERROR;
- }
- }
-
- // Close stderr. If something goes wrong, there's nothing where we
- // could print an error message. Just set the exit status.
- {
- const int ferror_err = ferror(stderr);
- const int fclose_err = fclose(stderr);
- if (fclose_err || ferror_err)
- status = E_ERROR;
- }
-
- // Suppress the exit status indicating a warning if --no-warn
- // was specified.
- if (status == E_WARNING && no_warn)
- status = E_SUCCESS;
-
- // If we have got a signal, raise it to kill the program.
- // Otherwise we just call exit().
- signals_exit();
- exit(status);
-}
-
-
static const char *
read_name(const args_info *args)
{
int
main(int argc, char **argv)
{
- // Initialize the file I/O as the very first step. This makes sure
- // that stdin, stdout, and stderr are something valid.
- io_init();
+ // Set up the progname variable.
+ tuklib_progname_init(argv);
-#ifdef DOSLIKE
- // Adjust argv[0] to make it look nicer in messages, and also to
- // help the code in args.c.
- {
- // Strip the leading path.
- char *p = argv[0] + strlen(argv[0]);
- while (argv[0] < p && p[-1] != '/' && p[-1] != '\\')
- --p;
-
- argv[0] = p;
-
- // Strip the .exe suffix.
- p = strrchr(p, '.');
- if (p != NULL)
- *p = '\0';
-
- // Make it lowercase.
- for (p = argv[0]; *p != '\0'; ++p)
- if (*p >= 'A' && *p <= 'Z')
- *p = *p - 'A' + 'a';
- }
-#endif
-
- // Set up the locale.
- setlocale(LC_ALL, "");
+ // Initialize the file I/O. This makes sure that
+ // stdin, stdout, and stderr are something valid.
+ io_init();
-#ifdef ENABLE_NLS
- // Set up the message translations too.
- bindtextdomain(PACKAGE, LOCALEDIR);
- textdomain(PACKAGE);
-#endif
+ // Set up the locale and message translations.
+ tuklib_gettext_init(PACKAGE, LOCALEDIR);
- // Set the program invocation name used in various messages, and
- // do other message handling related initializations.
- message_init(argv[0]);
+ // Initialize handling of error/warning/other messages.
+ message_init();
// Set hardware-dependent default values. These can be overriden
// on the command line, thus this must be done before parse_args().
&& strcmp(args.arg_names[0], "-") == 0)) {
if (is_tty_stdout()) {
message_try_help();
- my_exit(E_ERROR);
+ tuklib_exit(E_ERROR, E_ERROR, false);
}
}
}
(void)fclose(args.files_file);
}
- my_exit(exit_status);
+ // If we have got a signal, raise it to kill the program instead
+ // of calling tuklib_exit().
+ signals_exit();
+
+ // Suppress the exit status indicating a warning if --no-warn
+ // was specified.
+ if (exit_status == E_WARNING && no_warn)
+ exit_status = E_SUCCESS;
+
+ tuklib_exit(exit_status, E_ERROR,
+ message_verbosity_get() != V_SILENT);
}
/// but nothing worth an error has occurred. This is called when --no-warn
/// is specified.
extern void set_exit_no_warn(void);
-
-
-/// Exits the program using the given status. This takes care of closing
-/// stdin, stdout, and stderr and catches possible errors. If we had got
-/// a signal, this function will raise it so that to the parent process it
-/// appears that we were killed by the signal sent by the user.
-extern void my_exit(enum exit_status_type status) lzma_attribute((noreturn));
#include <stdarg.h>
-/// Name of the program which is prefixed to the error messages.
-static const char *argv0;
-
/// Number of the current file
static unsigned int files_pos = 0;
extern void
-message_init(const char *given_argv0)
+message_init(void)
{
- // Name of the program
- argv0 = given_argv0;
-
// If --verbose is used, we use a progress indicator if and only
// if stderr is a terminal. If stderr is not a terminal, we print
// verbose information only after finishing the file. As a special
}
+extern enum message_verbosity
+message_verbosity_get(void)
+{
+ return verbosity;
+}
+
+
extern void
message_set_files(unsigned int files)
{
progress_flush(false);
- fprintf(stderr, "%s: ", argv0);
+ fprintf(stderr, "%s: ", progname);
vfprintf(stderr, fmt, ap);
fputc('\n', stderr);
vmessage(V_ERROR, fmt, ap);
va_end(ap);
- my_exit(E_ERROR);
+ tuklib_exit(E_ERROR, E_ERROR, false);
}
if (v > verbosity)
return;
- fprintf(stderr, _("%s: Filter chain:"), argv0);
+ fprintf(stderr, _("%s: Filter chain:"), progname);
for (size_t i = 0; filters[i].id != LZMA_VLI_UNKNOWN; ++i) {
fprintf(stderr, " --");
{
// Print this with V_WARNING instead of V_ERROR to prevent it from
// showing up when --quiet has been specified.
- message(V_WARNING, _("Try `%s --help' for more information."), argv0);
+ message(V_WARNING, _("Try `%s --help' for more information."),
+ progname);
return;
}
// line tool version, so print both.
printf("xz (" PACKAGE_NAME ") " LZMA_VERSION_STRING "\n");
printf("liblzma %s\n", lzma_version_string());
- my_exit(E_SUCCESS);
+ tuklib_exit(E_SUCCESS, E_ERROR, verbosity != V_SILENT);
}
{
printf(_("Usage: %s [OPTION]... [FILE]...\n"
"Compress or decompress FILEs in the .xz format.\n\n"),
- argv0);
+ progname);
puts(_("Mandatory arguments to long options are mandatory for "
"short options too.\n"));
PACKAGE_BUGREPORT);
printf(_("%s home page: <%s>\n"), PACKAGE_NAME, PACKAGE_HOMEPAGE);
- my_exit(E_SUCCESS);
+ tuklib_exit(E_SUCCESS, E_ERROR, verbosity != V_SILENT);
}
/// \brief Initializes the message functions
///
-/// \param argv0 Name of the program i.e. argv[0] from main()
-/// \param verbosity Verbosity level
-///
/// If an error occurs, this function doesn't return.
///
-extern void message_init(const char *argv0);
+extern void message_init(void);
/// Increase verbosity level by one step unless it was at maximum.
/// Decrease verbosity level by one step unless it was at minimum.
extern void message_verbosity_decrease(void);
+/// Get the current verbosity level.
+extern enum message_verbosity message_verbosity_get(void);
+
/// Set the total number of files to be processed (stdin is counted as a file
/// here). The default is one.
#include <stdio.h>
#include <unistd.h>
-#ifdef ENABLE_NLS
-# include <libintl.h>
-# define _(msgid) gettext(msgid)
-# define N_(msgid1, msgid2, n) ngettext(msgid1, msgid2, n)
-#else
-# define _(msgid) (msgid)
-# define N_(msgid1, msgid2, n) ((n) == 1 ? (msgid1) : (msgid2))
-#endif
+#include "tuklib_gettext.h"
+#include "tuklib_progname.h"
+#include "tuklib_exit.h"
#ifndef STDIN_FILENO
# define STDIN_FILENO (fileno(stdin))
}
+#ifndef __VMS
extern void
signals_block(void)
{
return;
}
+#endif
extern void
extern void signals_init(void);
-#ifndef _WIN32
-
+#if defined(_WIN32) || defined(__VMS)
+# define signals_block() do { } while (0)
+# define signals_unblock() do { } while (0)
+#else
/// Block the signals which don't have SA_RESTART and which would just set
/// user_abort to true. This is handy when we don't want to handle EINTR
/// and don't want SA_RESTART either.
/// Unblock the signals blocked by signals_block().
extern void signals_unblock(void);
+#endif
+#ifdef _WIN32
+# define signals_exit() do { } while (0)
+#else
/// If user has sent us a signal earlier to terminate the process,
/// re-raise that signal to actually terminate the process.
extern void signals_exit(void);
-
-#else
-
-#define signals_block() do { } while (0)
-#define signals_unblock() do { } while (0)
-#define signals_exit() do { } while (0)
-
#endif
#include "private.h"
// For case-insensitive filename suffix on case-insensitive systems
-#ifdef DOSLIKE
+#if defined(TUKLIB_DOSLIKE) || defined(__VMS)
# define strcmp strcasecmp
#endif
bin_PROGRAMS = xzdec lzmadec
-xzdec_SOURCES = xzdec.c
+xzdec_SOURCES = \
+ xzdec.c \
+ $(top_srcdir)/src/common/tuklib_progname.c \
+ $(top_srcdir)/src/common/tuklib_exit.c \
+ $(top_srcdir)/src/common/tuklib_physmem.c
if COND_W32
xzdec_SOURCES += xzdec_w32res.rc
endif
xzdec_CPPFLAGS = \
+ -DTUKLIB_GETTEXT=0 \
-I$(top_srcdir)/src/common \
-I$(top_srcdir)/src/liblzma/api \
-I$(top_builddir)/lib \
xzdec_LDADD += $(LTLIBINTL)
-lzmadec_SOURCES = xzdec.c
+lzmadec_SOURCES = \
+ xzdec.c \
+ $(top_srcdir)/src/common/tuklib_progname.c \
+ $(top_srcdir)/src/common/tuklib_exit.c \
+ $(top_srcdir)/src/common/tuklib_physmem.c
if COND_W32
lzmadec_SOURCES += lzmadec_w32res.rc
#include <stdio.h>
#include <unistd.h>
-#ifdef DOSLIKE
+#include "getopt.h"
+#include "tuklib_progname.h"
+#include "tuklib_exit.h"
+#include "tuklib_physmem.h"
+
+#ifdef TUKLIB_DOSLIKE
# include <fcntl.h>
# include <io.h>
#endif
-#include "getopt.h"
-#include "physmem.h"
-
#ifdef LZMADEC
# define TOOL_FORMAT "lzma"
/// --quiet has been given at least twice.
static unsigned int display_errors = 2;
-/// Program name to be shown in error messages
-static const char *argv0;
-
static void lzma_attribute((format(printf, 1, 2)))
my_errorf(const char *fmt, ...)
va_start(ap, fmt);
if (display_errors) {
- fprintf(stderr, "%s: ", argv0);
+ fprintf(stderr, "%s: ", progname);
vfprintf(stderr, fmt, ap);
fprintf(stderr, "\n");
}
}
-static void lzma_attribute((noreturn))
-my_exit(void)
-{
- int status = EXIT_SUCCESS;
-
- // Close stdout. We don't care about stderr, because we write to it
- // only when an error has already occurred.
- const int ferror_err = ferror(stdout);
- const int fclose_err = fclose(stdout);
-
- if (ferror_err || fclose_err) {
- // If it was fclose() that failed, we have the reason
- // in errno. If only ferror() indicated an error,
- // we have no idea what the reason was.
- my_errorf("Writing to standard output failed: %s", fclose_err
- ? strerror(errno) : "Unknown error");
- status = EXIT_FAILURE;
- }
-
- exit(status);
-}
-
-
static void lzma_attribute((noreturn))
help(void)
{
"\n"
"Report bugs to <" PACKAGE_BUGREPORT "> (in English or Finnish).\n"
PACKAGE_NAME " home page: <" PACKAGE_HOMEPAGE ">\n",
- argv0, memlimit / (1024 * 1024));
- my_exit();
+ progname, memlimit / (1024 * 1024));
+ tuklib_exit(EXIT_SUCCESS, EXIT_FAILURE, display_errors);
}
printf(TOOL_FORMAT "dec (" PACKAGE_NAME ") " LZMA_VERSION_STRING "\n"
"liblzma %s\n", lzma_version_string());
- my_exit();
+ tuklib_exit(EXIT_SUCCESS, EXIT_FAILURE, display_errors);
}
static void
memlimit_set_percentage(uint32_t percentage)
{
- uint64_t mem = physmem();
+ uint64_t mem = tuklib_physmem();
// If we cannot determine the amount of RAM, assume 32 MiB.
if (mem == 0)
int
main(int argc, char **argv)
{
- // Set the argv0 global so that we can print the command name in
- // error and help messages.
- argv0 = argv[0];
+ // Initialize progname which we will be used in error messages.
+ tuklib_progname_init(argv);
// Set the default memory usage limit. This is needed before parsing
// the command line arguments.
lzma_stream strm = LZMA_STREAM_INIT;
// Some systems require setting stdin and stdout to binary mode.
-#ifdef DOSLIKE
+#ifdef TUKLIB_DOSLIKE
setmode(fileno(stdin), O_BINARY);
setmode(fileno(stdout), O_BINARY);
#endif
lzma_end(&strm);
#endif
- my_exit();
+ tuklib_exit(EXIT_SUCCESS, EXIT_FAILURE, display_errors);
}
projects / xz / commitdiff