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author | fxcoudert <fxcoudert@138bc75d-0d04-0410-961f-82ee72b054a4> | 2007-01-17 19:44:00 +0000 |
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committer | fxcoudert <fxcoudert@138bc75d-0d04-0410-961f-82ee72b054a4> | 2007-01-17 19:44:00 +0000 |
commit | 76c0a846a59a1fc05aa6a2a975287e9ce9b16476 (patch) | |
tree | acb8b6ff735e7961042f7c90dac13e2947fc3c83 /libgfortran/io/intrinsics.c | |
parent | be815e575a75c26a21ab72edf1e2975af266e4d2 (diff) | |
download | gcc-76c0a846a59a1fc05aa6a2a975287e9ce9b16476.tar.gz |
PR libfortran/27107
* runtime/environ.c: Don't include io/io.h.
* runtime/string.c: Don't include io/io.h.
(compare0): Add cast to avoid warning.
* runtime/error.c: Don't include io/io.h.
(st_printf): Move to io/unix.c.
* intrinsics/flush.c: Delete, contents moved to io/intrinsics.c.
* intrinsics/fget.c: Likewise.
* intrinsics/ftell.c: Likewise.
* intrinsics/tty.c: Likewise.
* libgfortran.h (DEFAULT_RECL, notification_std,
get_unformatted_convert, IOPARM_*, st_parameter_common, unit_convert,
DEFAULT_TEMPDIR): New declarations.
* io/io.h (DEFAULT_RECL, notification_std, get_unformatted_convert,
IOPARM_*, st_parameter_common, unit_convert, DEFAULT_TEMPDIR):
Move to libgfortran.h.
* io/unix.c: Add io/unix.h content.
(st_printf): New function.
* io/intrinsics.c: New file.
* io/unix.h: Remove, contents moved into unix.c.
* libtool-version: Update library version to 3.0.0.
* configure.ac: Update library version to 0.3.
* Makefile.am (intrinsics/fget.c, intrinsics/flush.c,
intrinsics/ftell.c, intrinsics/tty.c, libgfortran.h): Remove targets.
* Makefile.in: Regenerate.
* configure: Regenerate.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@120869 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'libgfortran/io/intrinsics.c')
-rw-r--r-- | libgfortran/io/intrinsics.c | 367 |
1 files changed, 367 insertions, 0 deletions
diff --git a/libgfortran/io/intrinsics.c b/libgfortran/io/intrinsics.c new file mode 100644 index 00000000000..ab99b25e5a5 --- /dev/null +++ b/libgfortran/io/intrinsics.c @@ -0,0 +1,367 @@ +/* Implementation of the FGET, FGETC, FPUT, FPUTC, FLUSH + FTELL, TTYNAM and ISATTY intrinsics. + Copyright (C) 2005, 2007 Free Software Foundation, Inc. + +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., 51 Franklin Street, Fifth Floor, +Boston, MA 02110-1301, USA. */ + +#include "config.h" +#include "libgfortran.h" + +#ifdef HAVE_STDLIB_H +#include <stdlib.h> +#endif + +#include <string.h> + +#include "io.h" + +static const int five = 5; +static const int six = 6; + +extern int PREFIX(fgetc) (const int *, char *, gfc_charlen_type); +export_proto_np(PREFIX(fgetc)); + +int +PREFIX(fgetc) (const int * unit, char * c, gfc_charlen_type c_len) +{ + int ret; + size_t s; + gfc_unit * u = find_unit (*unit); + + if (u == NULL) + return -1; + + s = 1; + memset (c, ' ', c_len); + ret = sread (u->s, c, &s); + unlock_unit (u); + + if (ret != 0) + return ret; + + if (s != 1) + return -1; + else + return 0; +} + + +#define FGETC_SUB(kind) \ + extern void fgetc_i ## kind ## _sub \ + (const int *, char *, GFC_INTEGER_ ## kind *, gfc_charlen_type); \ + export_proto(fgetc_i ## kind ## _sub); \ + void fgetc_i ## kind ## _sub \ + (const int * unit, char * c, GFC_INTEGER_ ## kind * st, gfc_charlen_type c_len) \ + { if (st != NULL) \ + *st = PREFIX(fgetc) (unit, c, c_len); \ + else \ + PREFIX(fgetc) (unit, c, c_len); } + +FGETC_SUB(1) +FGETC_SUB(2) +FGETC_SUB(4) +FGETC_SUB(8) + + +extern int PREFIX(fget) (char *, gfc_charlen_type); +export_proto_np(PREFIX(fget)); + +int +PREFIX(fget) (char * c, gfc_charlen_type c_len) +{ + return PREFIX(fgetc) (&five, c, c_len); +} + + +#define FGET_SUB(kind) \ + extern void fget_i ## kind ## _sub \ + (char *, GFC_INTEGER_ ## kind *, gfc_charlen_type); \ + export_proto(fget_i ## kind ## _sub); \ + void fget_i ## kind ## _sub \ + (char * c, GFC_INTEGER_ ## kind * st, gfc_charlen_type c_len) \ + { if (st != NULL) \ + *st = PREFIX(fgetc) (&five, c, c_len); \ + else \ + PREFIX(fgetc) (&five, c, c_len); } + +FGET_SUB(1) +FGET_SUB(2) +FGET_SUB(4) +FGET_SUB(8) + + + +extern int PREFIX(fputc) (const int *, char *, gfc_charlen_type); +export_proto_np(PREFIX(fputc)); + +int +PREFIX(fputc) (const int * unit, char * c, + gfc_charlen_type c_len __attribute__((unused))) +{ + size_t s; + int ret; + gfc_unit * u = find_unit (*unit); + + if (u == NULL) + return -1; + + s = 1; + ret = swrite (u->s, c, &s); + unlock_unit (u); + return ret; +} + + +#define FPUTC_SUB(kind) \ + extern void fputc_i ## kind ## _sub \ + (const int *, char *, GFC_INTEGER_ ## kind *, gfc_charlen_type); \ + export_proto(fputc_i ## kind ## _sub); \ + void fputc_i ## kind ## _sub \ + (const int * unit, char * c, GFC_INTEGER_ ## kind * st, gfc_charlen_type c_len) \ + { if (st != NULL) \ + *st = PREFIX(fputc) (unit, c, c_len); \ + else \ + PREFIX(fputc) (unit, c, c_len); } + +FPUTC_SUB(1) +FPUTC_SUB(2) +FPUTC_SUB(4) +FPUTC_SUB(8) + + +extern int PREFIX(fput) (char *, gfc_charlen_type); +export_proto_np(PREFIX(fput)); + +int +PREFIX(fput) (char * c, gfc_charlen_type c_len) +{ + return PREFIX(fputc) (&six, c, c_len); +} + + +#define FPUT_SUB(kind) \ + extern void fput_i ## kind ## _sub \ + (char *, GFC_INTEGER_ ## kind *, gfc_charlen_type); \ + export_proto(fput_i ## kind ## _sub); \ + void fput_i ## kind ## _sub \ + (char * c, GFC_INTEGER_ ## kind * st, gfc_charlen_type c_len) \ + { if (st != NULL) \ + *st = PREFIX(fputc) (&six, c, c_len); \ + else \ + PREFIX(fputc) (&six, c, c_len); } + +FPUT_SUB(1) +FPUT_SUB(2) +FPUT_SUB(4) +FPUT_SUB(8) + + +/* SUBROUTINE FLUSH(UNIT) + INTEGER, INTENT(IN), OPTIONAL :: UNIT */ + +extern void flush_i4 (GFC_INTEGER_4 *); +export_proto(flush_i4); + +void +flush_i4 (GFC_INTEGER_4 *unit) +{ + gfc_unit *us; + + /* flush all streams */ + if (unit == NULL) + flush_all_units (); + else + { + us = find_unit (*unit); + if (us != NULL) + { + flush (us->s); + unlock_unit (us); + } + } +} + + +extern void flush_i8 (GFC_INTEGER_8 *); +export_proto(flush_i8); + +void +flush_i8 (GFC_INTEGER_8 *unit) +{ + gfc_unit *us; + + /* flush all streams */ + if (unit == NULL) + flush_all_units (); + else + { + us = find_unit (*unit); + if (us != NULL) + { + flush (us->s); + unlock_unit (us); + } + } +} + + +/* FTELL intrinsic */ + +extern size_t PREFIX(ftell) (int *); +export_proto_np(PREFIX(ftell)); + +size_t +PREFIX(ftell) (int * unit) +{ + gfc_unit * u = find_unit (*unit); + size_t ret; + if (u == NULL) + return ((size_t) -1); + ret = (size_t) stream_offset (u->s); + unlock_unit (u); + return ret; +} + +#define FTELL_SUB(kind) \ + extern void ftell_i ## kind ## _sub (int *, GFC_INTEGER_ ## kind *); \ + export_proto(ftell_i ## kind ## _sub); \ + void \ + ftell_i ## kind ## _sub (int * unit, GFC_INTEGER_ ## kind * offset) \ + { \ + gfc_unit * u = find_unit (*unit); \ + if (u == NULL) \ + *offset = -1; \ + else \ + { \ + *offset = stream_offset (u->s); \ + unlock_unit (u); \ + } \ + } + +FTELL_SUB(1) +FTELL_SUB(2) +FTELL_SUB(4) +FTELL_SUB(8) + + + +/* LOGICAL FUNCTION ISATTY(UNIT) + INTEGER, INTENT(IN) :: UNIT */ + +extern GFC_LOGICAL_4 isatty_l4 (int *); +export_proto(isatty_l4); + +GFC_LOGICAL_4 +isatty_l4 (int *unit) +{ + gfc_unit *u; + GFC_LOGICAL_4 ret = 0; + + u = find_unit (*unit); + if (u != NULL) + { + ret = (GFC_LOGICAL_4) stream_isatty (u->s); + unlock_unit (u); + } + return ret; +} + + +extern GFC_LOGICAL_8 isatty_l8 (int *); +export_proto(isatty_l8); + +GFC_LOGICAL_8 +isatty_l8 (int *unit) +{ + gfc_unit *u; + GFC_LOGICAL_8 ret = 0; + + u = find_unit (*unit); + if (u != NULL) + { + ret = (GFC_LOGICAL_8) stream_isatty (u->s); + unlock_unit (u); + } + return ret; +} + + +/* SUBROUTINE TTYNAM(UNIT,NAME) + INTEGER,SCALAR,INTENT(IN) :: UNIT + CHARACTER,SCALAR,INTENT(OUT) :: NAME */ + +extern void ttynam_sub (int *, char *, gfc_charlen_type); +export_proto(ttynam_sub); + +void +ttynam_sub (int *unit, char * name, gfc_charlen_type name_len) +{ + gfc_unit *u; + char * n; + int i; + + memset (name, ' ', name_len); + u = find_unit (*unit); + if (u != NULL) + { + n = stream_ttyname (u->s); + if (n != NULL) + { + i = 0; + while (*n && i < name_len) + name[i++] = *(n++); + } + unlock_unit (u); + } +} + + +extern void ttynam (char **, gfc_charlen_type *, int); +export_proto(ttynam); + +void +ttynam (char ** name, gfc_charlen_type * name_len, int unit) +{ + gfc_unit *u; + + u = find_unit (unit); + if (u != NULL) + { + *name = stream_ttyname (u->s); + if (*name != NULL) + { + *name_len = strlen (*name); + *name = strdup (*name); + unlock_unit (u); + return; + } + unlock_unit (u); + } + + *name_len = 0; + *name = NULL; +} |