diff options
| -rw-r--r-- | gdb/testsuite/gdb.fortran/empty-string.exp | 33 | ||||
| -rw-r--r-- | gdb/testsuite/gdb.fortran/empty-string.f90 | 30 | ||||
| -rw-r--r-- | gdb/valprint.c | 2 |
3 files changed, 64 insertions, 1 deletions
diff --git a/gdb/testsuite/gdb.fortran/empty-string.exp b/gdb/testsuite/gdb.fortran/empty-string.exp new file mode 100644 index 0000000..892f189 --- /dev/null +++ b/gdb/testsuite/gdb.fortran/empty-string.exp @@ -0,0 +1,33 @@ +# Copyright 2022 Free Software Foundation, Inc. + +# This program 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 3 of the License, or +# (at your option) any later version. +# +# This program 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 this program. If not, see <http://www.gnu.org/licenses/> . + +# Test printing of an empty Fortran string. + +if {[skip_fortran_tests]} { return -1 } + +standard_testfile ".f90" +load_lib fortran.exp + +if {[prepare_for_testing "failed to prepare" $testfile $srcfile {debug f90}]} { + return -1 +} + +if ![fortran_runto_main] { + return -1 +} + +gdb_breakpoint [gdb_get_line_number "Break here"] +gdb_continue_to_breakpoint "run to test location" +gdb_test "print string" " = ''" diff --git a/gdb/testsuite/gdb.fortran/empty-string.f90 b/gdb/testsuite/gdb.fortran/empty-string.f90 new file mode 100644 index 0000000..574ed7f --- /dev/null +++ b/gdb/testsuite/gdb.fortran/empty-string.f90 @@ -0,0 +1,30 @@ +! Copyright 2022 Free Software Foundation, Inc. +! +! This program 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 3 of the License, or +! (at your option) any later version. +! +! This program 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 this program. If not, see <http://www.gnu.org/licenses/>. + +program empty_string + implicit none + + integer :: ret + + ret = string_length('') + +contains + + integer(kind=4) function string_length(string) + character*(*) :: string + string_length = len(string) ! Break here. + end function string_length + +end program empty_string diff --git a/gdb/valprint.c b/gdb/valprint.c index 91a5941..395c6e9 100644 --- a/gdb/valprint.c +++ b/gdb/valprint.c @@ -2516,7 +2516,7 @@ generic_printstr (struct ui_file *stream, struct type *type, if (length == 0) { - gdb_puts ("\"\"", stream); + gdb_printf (stream, "%c%c", quote_char, quote_char); return; } |