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author | fxcoudert <fxcoudert@138bc75d-0d04-0410-961f-82ee72b054a4> | 2005-03-22 22:08:22 +0000 |
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committer | fxcoudert <fxcoudert@138bc75d-0d04-0410-961f-82ee72b054a4> | 2005-03-22 22:08:22 +0000 |
commit | 4dd3972ff66dfc20923ded41554dbb74b609637d (patch) | |
tree | c943a952cc8f85047adedcf7ede1cb9c387f3412 /libgfortran/intrinsics/hostnm.c | |
parent | bc7a14a684649da880a222a5e6ba61606a9d1a40 (diff) | |
download | ppe42-gcc-4dd3972ff66dfc20923ded41554dbb74b609637d.tar.gz ppe42-gcc-4dd3972ff66dfc20923ded41554dbb74b609637d.zip |
* Makefile.am: Added new files.
* Makefile.in: Regenerate.
* aclocal.m4: Regenerate.
* configure.ac: add checks for signal.h headers file, as well as
following functions: chdir, strerror, getlogin, gethostname, kill,
link, symlink, perror, sleep, time.
* configure: Regenerate.
* intrinsics/chdir.c, intrinsics/gerror.c, intrinsics/getlog.c,
intrinsics/hostnm.c, intrinsics/ierrno.c, intrinsics/kill.c,
intrinsics/link.c, intrinsics/perror.c, intrinsics/rename.c,
intrinsics/sleep.c, intrinsics/symlnk.c, intrinsics/time.c: Newly
implementend g77 intrinsics.
* check.c (gfc_check_chdir, gfc_check_chdir_sub, gfc_check_kill,
gfc_check_kill_sub, gfc_check_link, gfc_check_link_sub,
gfc_check_symlnk, gfc_check_symlnk_sub, gfc_check_rename,
gfc_check_rename_sub, gfc_check_sleep_sub, gfc_check_gerror,
gfc_check_getlog, gfc_check_hostnm, gfc_check_hostnm_sub,
gfc_check_perror): new functions to check newly implemented
g77 intrinsics.
* gfortran.h: adding symbols for new intrinsics.
* intrinsic.c (add_functions): adding new intrinsics.
(add_subroutines): adding new intrinsics.
* intrinsic.h: prototype for all checking and resolving
functions.
* iresolve.c (gfc_resolve_chdir, gfc_resolve_chdir_sub,
gfc_resolve_hostnm, gfc_resolve_ierrno, gfc_resolve_kill,
gfc_resolve_link, gfc_resolve_rename, gfc_resolve_symlnk,
gfc_resolve_time, gfc_resolve_time8, gfc_resolve_rename_sub,
gfc_resolve_kill_sub, gfc_resolve_link_sub,
gfc_resolve_symlnk_sub, gfc_resolve_sleep_sub,
gfc_resolve_gerror, gfc_resolve_getlog, gfc_resolve_hostnm_sub,
gfc_resolve_perror): new functions to resolve intrinsics.
* trans-intrinsic.c (gfc_conv_intrinsic_function): add case
for new symbols.
* g77_intrinsics_funcs.f: New test.
* g77_intrinsics_sub.f: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@96893 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'libgfortran/intrinsics/hostnm.c')
-rw-r--r-- | libgfortran/intrinsics/hostnm.c | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/libgfortran/intrinsics/hostnm.c b/libgfortran/intrinsics/hostnm.c new file mode 100644 index 00000000000..856fccf1c8d --- /dev/null +++ b/libgfortran/intrinsics/hostnm.c @@ -0,0 +1,110 @@ +/* Implementation of the HOSTNM intrinsic. + Copyright (C) 2005 Free Software Foundation, Inc. + Contributed by François-Xavier Coudert <coudert@clipper.ens.fr> + +This file is part of the GNU Fortran 95 runtime library (libgfortran). + +Libgfortran 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. + +In addition to the permissions in the GNU General Public License, the +Free Software Foundation gives you unlimited permission to link the +compiled version of this file into combinations with other programs, +and to distribute those combinations without any restriction coming +from the use of this file. (The General Public License restrictions +do apply in other respects; for example, they cover modification of +the file, and distribution when not linked into a combine +executable.) + +Libgfortran 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 libgfortran; see the file COPYING. If not, +write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, +Boston, MA 02111-1307, USA. */ + +#include "config.h" +#include "libgfortran.h" + +#include <errno.h> +#include <string.h> + +#ifdef HAVE_UNISTD_H +#include <unistd.h> +#endif + +#include "../io/io.h" + +/* SUBROUTINE HOSTNM(NAME, STATUS) + CHARACTER(len=*), INTENT(OUT) :: NAME + INTEGER, INTENT(OUT), OPTIONAL :: STATUS */ + +#ifdef HAVE_GETHOSTNAME +extern void hostnm_i4_sub (char *, GFC_INTEGER_4 *, gfc_charlen_type); +iexport_proto(hostnm_i4_sub); + +void +hostnm_i4_sub (char *name, GFC_INTEGER_4 *status, gfc_charlen_type name_len) +{ + int val, i; + char *p; + + memset (name, ' ', name_len); + p = gfc_alloca (name_len + 1); + + val = gethostname (p, name_len); + + if (val == 0) + { + i = -1; + while (i < name_len && p[++i] != '\0') + name[i] = p[i]; + } + + if (status != NULL) + *status = (val == 0) ? 0 : errno; +} +iexport(hostnm_i4_sub); + +extern void hostnm_i8_sub (char *, GFC_INTEGER_8 *, gfc_charlen_type); +iexport_proto(hostnm_i8_sub); + +void +hostnm_i8_sub (char *name, GFC_INTEGER_8 *status, gfc_charlen_type name_len) +{ + int val, i; + char *p; + + memset (name, ' ', name_len); + p = gfc_alloca (name_len + 1); + + val = gethostname (p, name_len); + + if (val == 0) + { + i = -1; + while (i < name_len && p[++i] != '\0') + name[i] = p[i]; + } + + if (status != NULL) + *status = (val == 0) ? 0 : errno; +} +iexport(hostnm_i8_sub); + +extern GFC_INTEGER_4 hostnm (char *, gfc_charlen_type); +export_proto(hostnm); + +GFC_INTEGER_4 +hostnm (char *name, gfc_charlen_type name_len) +{ + GFC_INTEGER_4 val; + hostnm_i4_sub (name, &val, name_len); + return val; +} +#endif |