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authorTobias Burnus <burnus@net-b.de>2014-02-21 08:37:06 +0100
committerTobias Burnus <burnus@gcc.gnu.org>2014-02-21 08:37:06 +0100
commit76a4b7ad2d7d071458a4cb4d8515c14b9abf0d19 (patch)
tree641b00450c44790770bc3d2e905d558f2b42ee74 /libgfortran/io
parent91d6f071fbbd5bc53d43902bb2259788b121ebfa (diff)
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re PR fortran/60286 (INQUIRE reports STDOUT as not writable)
2014-02-21 Tobias Burnus <burnus@net-b.de> PR fortran/60286 * libgfortran/io/inquire.c (yes, no): New static const char * vars. (inquire_via_unit): Use them. Use OPEN mode instead of using POSIX's access to query about write=, read= and readwrite=. 2014-02-21 Tobias Burnus <burnus@net-b.de> PR fortran/60286 * gfortran.dg/inquire_16.f90: New. From-SVN: r207979
Diffstat (limited to 'libgfortran/io')
-rw-r--r--libgfortran/io/inquire.c46
1 files changed, 20 insertions, 26 deletions
diff --git a/libgfortran/io/inquire.c b/libgfortran/io/inquire.c
index b12ee51..6801d01 100644
--- a/libgfortran/io/inquire.c
+++ b/libgfortran/io/inquire.c
@@ -30,7 +30,7 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
#include <string.h>
-static const char undefined[] = "UNDEFINED";
+static const char yes[] = "YES", no[] = "NO", undefined[] = "UNDEFINED";
/* inquire_via_unit()-- Inquiry via unit number. The unit might not exist. */
@@ -130,10 +130,10 @@ inquire_via_unit (st_parameter_inquire *iqp, gfc_unit * u)
{
case ACCESS_DIRECT:
case ACCESS_STREAM:
- p = "NO";
+ p = no;
break;
case ACCESS_SEQUENTIAL:
- p = "YES";
+ p = yes;
break;
default:
internal_error (&iqp->common, "inquire_via_unit(): Bad access");
@@ -151,10 +151,10 @@ inquire_via_unit (st_parameter_inquire *iqp, gfc_unit * u)
{
case ACCESS_SEQUENTIAL:
case ACCESS_STREAM:
- p = "NO";
+ p = no;
break;
case ACCESS_DIRECT:
- p = "YES";
+ p = yes;
break;
default:
internal_error (&iqp->common, "inquire_via_unit(): Bad access");
@@ -191,10 +191,10 @@ inquire_via_unit (st_parameter_inquire *iqp, gfc_unit * u)
switch (u->flags.form)
{
case FORM_FORMATTED:
- p = "YES";
+ p = yes;
break;
case FORM_UNFORMATTED:
- p = "NO";
+ p = no;
break;
default:
internal_error (&iqp->common, "inquire_via_unit(): Bad form");
@@ -211,10 +211,10 @@ inquire_via_unit (st_parameter_inquire *iqp, gfc_unit * u)
switch (u->flags.form)
{
case FORM_FORMATTED:
- p = "NO";
+ p = no;
break;
case FORM_UNFORMATTED:
- p = "YES";
+ p = yes;
break;
default:
internal_error (&iqp->common, "inquire_via_unit(): Bad form");
@@ -266,10 +266,10 @@ inquire_via_unit (st_parameter_inquire *iqp, gfc_unit * u)
switch (u->flags.pad)
{
case PAD_YES:
- p = "YES";
+ p = yes;
break;
case PAD_NO:
- p = "NO";
+ p = no;
break;
default:
internal_error (&iqp->common, "inquire_via_unit(): Bad pad");
@@ -336,10 +336,10 @@ inquire_via_unit (st_parameter_inquire *iqp, gfc_unit * u)
switch (u->flags.async)
{
case ASYNC_YES:
- p = "YES";
+ p = yes;
break;
case ASYNC_NO:
- p = "NO";
+ p = no;
break;
default:
internal_error (&iqp->common, "inquire_via_unit(): Bad async");
@@ -423,10 +423,10 @@ inquire_via_unit (st_parameter_inquire *iqp, gfc_unit * u)
{
case ACCESS_SEQUENTIAL:
case ACCESS_DIRECT:
- p = "NO";
+ p = no;
break;
case ACCESS_STREAM:
- p = "YES";
+ p = yes;
break;
default:
internal_error (&iqp->common, "inquire_via_unit(): Bad pad");
@@ -499,25 +499,19 @@ inquire_via_unit (st_parameter_inquire *iqp, gfc_unit * u)
if ((cf & IOPARM_INQUIRE_HAS_READ) != 0)
{
- p = (u == NULL) ? inquire_read (NULL, 0) :
- inquire_read (u->file, u->file_len);
-
+ p = (!u || u->flags.action == ACTION_WRITE) ? no : yes;
cf_strcpy (iqp->read, iqp->read_len, p);
}
if ((cf & IOPARM_INQUIRE_HAS_WRITE) != 0)
{
- p = (u == NULL) ? inquire_write (NULL, 0) :
- inquire_write (u->file, u->file_len);
-
+ p = (!u || u->flags.action == ACTION_READ) ? no : yes;
cf_strcpy (iqp->write, iqp->write_len, p);
}
if ((cf & IOPARM_INQUIRE_HAS_READWRITE) != 0)
{
- p = (u == NULL) ? inquire_readwrite (NULL, 0) :
- inquire_readwrite (u->file, u->file_len);
-
+ p = (!u || u->flags.action != ACTION_READWRITE) ? no : yes;
cf_strcpy (iqp->readwrite, iqp->readwrite_len, p);
}
@@ -552,10 +546,10 @@ inquire_via_unit (st_parameter_inquire *iqp, gfc_unit * u)
switch (u->flags.pad)
{
case PAD_NO:
- p = "NO";
+ p = no;
break;
case PAD_YES:
- p = "YES";
+ p = yes;
break;
default:
internal_error (&iqp->common, "inquire_via_unit(): Bad pad");