diff options
Diffstat (limited to 'libgfortran/io/open.c')
| -rw-r--r-- | libgfortran/io/open.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/libgfortran/io/open.c b/libgfortran/io/open.c index 2e7163d..b0f1009 100644 --- a/libgfortran/io/open.c +++ b/libgfortran/io/open.c @@ -52,6 +52,21 @@ static const st_option action_opt[] = { NULL, 0} }; +static const st_option share_opt[] = +{ + { "denyrw", SHARE_DENYRW }, + { "denynone", SHARE_DENYNONE }, + { NULL, 0} +}; + +static const st_option cc_opt[] = +{ + { "list", CC_LIST }, + { "fortran", CC_FORTRAN }, + { "none", CC_NONE }, + { NULL, 0} +}; + static const st_option blank_opt[] = { { "null", BLANK_NULL}, @@ -195,6 +210,14 @@ edit_modes (st_parameter_open *opp, gfc_unit * u, unit_flags * flags) generate_error (&opp->common, LIBERROR_BAD_OPTION, "Cannot change ACTION parameter in OPEN statement"); + if (flags->share != SHARE_UNSPECIFIED && u->flags.share != flags->share) + generate_error (&opp->common, LIBERROR_BAD_OPTION, + "Cannot change SHARE parameter in OPEN statement"); + + if (flags->cc != CC_UNSPECIFIED && u->flags.cc != flags->cc) + generate_error (&opp->common, LIBERROR_BAD_OPTION, + "Cannot change CARRIAGECONTROL parameter in OPEN statement"); + /* Status must be OLD if present. */ if (flags->status != STATUS_UNSPECIFIED && flags->status != STATUS_OLD && @@ -330,6 +353,16 @@ new_unit (st_parameter_open *opp, gfc_unit *u, unit_flags * flags) if (flags->status == STATUS_UNSPECIFIED) flags->status = STATUS_UNKNOWN; + if (flags->cc == CC_UNSPECIFIED) + flags->cc = flags->form == FORM_UNFORMATTED ? CC_NONE : CC_LIST; + else if (flags->form == FORM_UNFORMATTED && flags->cc != CC_NONE) + { + generate_error (&opp->common, LIBERROR_OPTION_CONFLICT, + "CARRIAGECONTROL parameter conflicts with UNFORMATTED form in " + "OPEN statement"); + goto fail; + } + /* Checks. */ if (flags->delim != DELIM_UNSPECIFIED @@ -695,6 +728,7 @@ st_open (st_parameter_open *opp) library_start (&opp->common); /* Decode options. */ + flags.readonly = !(cf & IOPARM_OPEN_HAS_READONLY) ? 0 : opp->readonly; flags.access = !(cf & IOPARM_OPEN_HAS_ACCESS) ? ACCESS_UNSPECIFIED : find_option (&opp->common, opp->access, opp->access_len, @@ -704,6 +738,14 @@ st_open (st_parameter_open *opp) find_option (&opp->common, opp->action, opp->action_len, action_opt, "Bad ACTION parameter in OPEN statement"); + flags.cc = !(cf & IOPARM_OPEN_HAS_CC) ? CC_UNSPECIFIED : + find_option (&opp->common, opp->cc, opp->cc_len, + cc_opt, "Bad CARRIAGECONTROL parameter in OPEN statement"); + + flags.share = !(cf & IOPARM_OPEN_HAS_SHARE) ? SHARE_UNSPECIFIED : + find_option (&opp->common, opp->share, opp->share_len, + share_opt, "Bad SHARE parameter in OPEN statement"); + flags.blank = !(cf & IOPARM_OPEN_HAS_BLANK) ? BLANK_UNSPECIFIED : find_option (&opp->common, opp->blank, opp->blank_len, blank_opt, "Bad BLANK parameter in OPEN statement"); @@ -792,6 +834,11 @@ st_open (st_parameter_open *opp) generate_error (&opp->common, LIBERROR_BAD_OPTION, "Cannot use POSITION with direct access files"); + if (flags.readonly + && flags.action != ACTION_UNSPECIFIED && flags.action != ACTION_READ) + generate_error (&opp->common, LIBERROR_BAD_OPTION, + "ACTION conflicts with READONLY in OPEN statement"); + if (flags.access == ACCESS_APPEND) { if (flags.position != POSITION_UNSPECIFIED |