mkstemp.m4

Branch

Show log
Commit

Hash : 19adc7a2
Author :
Date : 2025-09-09T12:50:18

Remove support for OSF/1.

* all-modules: Update comments.
* build-aux/install-reloc: Likewise.
* gnulib-tool: Likewise.
* gnulib-tool.py: Likewise.
* gnulib-tool.sh: Likewise.
* lib/calloc.c: Likewise.
* lib/euidaccess.c: Likewise.
* lib/fbufmode.c: Likewise.
* lib/fflush.c: Likewise.
* lib/fpending.c: Likewise.
* lib/fpurge.c: Likewise.
* lib/freadable.c: Likewise.
* lib/freadahead.c: Likewise.
* lib/freading.c: Likewise.
* lib/freadptr.c: Likewise.
* lib/freadseek.c: Likewise.
* lib/fseeko.c: Likewise.
* lib/fseterr.c: Likewise.
* lib/fwritable.c: Likewise.
* lib/fwriting.c: Likewise.
* lib/get-permissions.c: Likewise.
* lib/get-rusage-as.c: Likewise.
* lib/getdomainname.c: Likewise.
* lib/getpass.c: Likewise.
* lib/glthread/spin.c: Likewise.
* lib/idpriv-drop.c: Likewise.
* lib/idpriv-droptemp.c: Likewise.
* lib/log10l.c: Likewise.
* lib/login_tty.c: Likewise.
* lib/minmax.h: Likewise.
* lib/mountlist.c: Likewise.
* lib/netdb.in.h: Likewise.
* lib/nproc.c: Likewise.
* lib/passfd.c: Likewise.
* lib/posix_openpt.c: Likewise.
* lib/resource-ext.h: Likewise.
* lib/safe-read.h: Likewise.
* lib/safe-write.h: Likewise.
* lib/stdint.in.h: Likewise.
* lib/stdio.in.h: Likewise.
* lib/string.in.h: Likewise.
* lib/sys-limits.h: Likewise.
* lib/termcap.h: Likewise.
* lib/terminfo.h: Likewise.
* lib/ttyname_r.c: Likewise.
* lib/vasnprintf.c: Likewise.
* lib/wait-process.c: Likewise.
* m4/fmal.m4: Likewise.
* m4/getdomainname.m4: Likewise.
* m4/getopt.m4: Likewise.
* m4/hypot.m4: Likewise.
* m4/hypotf.m4: Likewise.
* m4/hypotl.m4: Likewise.
* m4/iconv.m4: Likewise.
* m4/iconv_open-utf.m4: Likewise.
* m4/imaxabs.m4: Likewise.
* m4/imaxdiv.m4: Likewise.
* m4/largefile.m4: Likewise.
* m4/link-follow.m4: Likewise.
* m4/locale-fr.m4: Likewise.
* m4/locale-ja.m4: Likewise.
* m4/locale_h.m4: Likewise.
* m4/lock.m4: Likewise.
* m4/log10l.m4: Likewise.
* m4/mkstemp.m4: Likewise.
* m4/mmap-anon.m4: Likewise.
* m4/modf.m4: Likewise.
* m4/modff.m4: Likewise.
* m4/modfl.m4: Likewise.
* m4/semaphore.m4: Likewise.
* m4/socklen.m4: Likewise.
* m4/strerror_r.m4: Likewise.
* m4/terminfo.m4: Likewise.
* m4/wcwidth.m4: Likewise.
* posix-modules: Likewise.
* tests/havelib/README: Likewise.
* tests/init.sh: Likewise.
* tests/socket-client.h: Likewise.
* tests/socket-server.h: Likewise.
* tests/test-echo.sh: Likewise.
* tests/test-nonblocking-socket.h: Likewise.
* tests/test-strtod.h: Likewise.
* tests/test-strtof.h: Likewise.

Download

m4/mkstemp.m4

# mkstemp.m4
# serial 31
dnl Copyright (C) 2001, 2003-2007, 2009-2025 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
dnl This file is offered as-is, without any warranty.

# On some hosts (e.g., HP-UX 10.20, SunOS 4.1.4, Solaris 2.5.1), mkstemp has a
# silly limit that it can create no more than 26 files from a given template.
# Other systems lack mkstemp altogether.
# On some hosts, mkstemp creates files with mode 0666, which is a security
# problem and a violation of POSIX 2008.
# On systems like the above, arrange to use the replacement function.
AC_DEFUN([gl_FUNC_MKSTEMP],
[
  AC_REQUIRE([gl_STDLIB_H_DEFAULTS])
  AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles

  AC_CHECK_FUNCS_ONCE([mkstemp])
  if test $ac_cv_func_mkstemp = yes; then
    AC_CACHE_CHECK([for working mkstemp],
      [gl_cv_func_working_mkstemp],
      [
        mkdir conftest.mkstemp
        AC_RUN_IFELSE(
          [AC_LANG_PROGRAM(
            [AC_INCLUDES_DEFAULT
             GL_MDA_DEFINES],
            [[int result = 0;
              int i;
              off_t large = (off_t) 4294967295u;
              if (large < 0)
                large = 2147483647;
              umask (0);
              for (i = 0; i < 70; i++)
                {
                  char templ[] = "conftest.mkstemp/coXXXXXX";
                  int (*mkstemp_function) (char *) = mkstemp;
                  int fd = mkstemp_function (templ);
                  if (fd < 0)
                    result |= 1;
                  else
                    {
                      struct stat st;
                      if (lseek (fd, large, SEEK_SET) != large)
                        result |= 2;
                      if (fstat (fd, &st) < 0)
                        result |= 4;
                      else if (st.st_mode & 0077)
                        result |= 8;
                      if (close (fd))
                        result |= 16;
                    }
                }
              return result;]])],
          [gl_cv_func_working_mkstemp=yes],
          [gl_cv_func_working_mkstemp=no],
          [case "$host_os" in
                                 # Guess yes on glibc systems.
             *-gnu* | gnu*)      gl_cv_func_working_mkstemp="guessing yes" ;;
                                 # Guess yes on musl systems.
             *-musl* | midipix*) gl_cv_func_working_mkstemp="guessing yes" ;;
                                 # Guess no on native Windows.
             mingw* | windows*)  gl_cv_func_working_mkstemp="guessing no" ;;
                                 # If we don't know, obey --enable-cross-guesses.
             *)                  gl_cv_func_working_mkstemp="$gl_cross_guess_normal" ;;
           esac
          ])
        rm -rf conftest.mkstemp
      ])
    case "$gl_cv_func_working_mkstemp" in
      *yes) ;;
      *)
        REPLACE_MKSTEMP=1
        ;;
    esac
  else
    HAVE_MKSTEMP=0
  fi
])

# Prerequisites of lib/mkstemp.c.
AC_DEFUN([gl_PREREQ_MKSTEMP],
[
])

Download

kc3-lang/gnulib/m4/mkstemp.m4

Commit

m4/mkstemp.m4