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Sergio Durigan Junior 2f91880f3a Fix possible bug when no args have been provided to the executable 
Hi,

This bug is related to:

  <https://sourceware.org/ml/gdb-patches/2017-06/msg00216.html>

On stringify_argv, we have to check if args[0] is not NULL before
stringifying anything, otherwise we might do the wrong thing when
trimming the "ret" string in the end.  args[0] will be NULL when no
arguments are passed to the inferior that will be started.

Checked in as obvious.

gdb/ChangeLog:
2017-06-08  Sergio Durigan Junior  <sergiodj@redhat.com>

	* common/common-utils.c (stringify_argv): Check for "arg[0] !=
	NULL".
 		2017-06-08 16:58:25 -04:00
..
agent.c update copyright year range in GDB files 2017-01-01 10:52:34 +04:00
agent.h update copyright year range in GDB files 2017-01-01 10:52:34 +04:00
ax.def update copyright year range in GDB files 2017-01-01 10:52:34 +04:00
break-common.h update copyright year range in GDB files 2017-01-01 10:52:34 +04:00
btrace-common.c update copyright year range in GDB files 2017-01-01 10:52:34 +04:00
btrace-common.h update copyright year range in GDB files 2017-01-01 10:52:34 +04:00
buffer.c update copyright year range in GDB files 2017-01-01 10:52:34 +04:00
buffer.h update copyright year range in GDB files 2017-01-01 10:52:34 +04:00
cleanups.c update copyright year range in GDB files 2017-01-01 10:52:34 +04:00
cleanups.h update copyright year range in GDB files 2017-01-01 10:52:34 +04:00
common-debug.c update copyright year range in GDB files 2017-01-01 10:52:34 +04:00
common-debug.h update copyright year range in GDB files 2017-01-01 10:52:34 +04:00
common-defs.h Poison non-POD memset & non-trivially-copyable memcpy/memmove 2017-04-25 01:46:19 +01:00
common-exceptions.c update copyright year range in GDB files 2017-01-01 10:52:34 +04:00
common-exceptions.h DWARF-5: call sites 2017-02-20 21:00:55 +01:00
common-gdbthread.h Share parts of gdb/gdbthread.h with gdbserver 2017-06-07 19:56:01 -04:00
common-inferior.h Share fork_inferior et al with gdbserver 2017-06-07 19:56:09 -04:00
common-regcache.c update copyright year range in GDB files 2017-01-01 10:52:34 +04:00
common-regcache.h update copyright year range in GDB files 2017-01-01 10:52:34 +04:00
common-types.h update copyright year range in GDB files 2017-01-01 10:52:34 +04:00
common-utils.c Fix possible bug when no args have been provided to the executable 2017-06-08 16:58:25 -04:00
common-utils.h Share fork_inferior et al with gdbserver 2017-06-07 19:56:09 -04:00
common.host update copyright year range in GDB files 2017-01-01 10:52:34 +04:00
common.m4 Create gdb_termios.h (and cleanup gdb/{,gdbserver/}terminal.h) 2017-04-12 17:59:45 -04:00
create-version.sh update copyright year range in GDB files 2017-01-01 10:52:34 +04:00
enum-flags.h Don't memcpy non-trivially-copyable types: Make enum_flags triv. copyable 2017-04-25 01:42:03 +01:00
environ.c Share gdb/environ.[ch] with gdbserver 2017-03-07 15:39:35 -05:00
environ.h Share gdb/environ.[ch] with gdbserver 2017-03-07 15:39:35 -05:00
errors.c update copyright year range in GDB files 2017-01-01 10:52:34 +04:00
errors.h update copyright year range in GDB files 2017-01-01 10:52:34 +04:00
fileio.c update copyright year range in GDB files 2017-01-01 10:52:34 +04:00
fileio.h update copyright year range in GDB files 2017-01-01 10:52:34 +04:00
filestuff.c update copyright year range in GDB files 2017-01-01 10:52:34 +04:00
filestuff.h update copyright year range in GDB files 2017-01-01 10:52:34 +04:00
format.c update copyright year range in GDB files 2017-01-01 10:52:34 +04:00
format.h update copyright year range in GDB files 2017-01-01 10:52:34 +04:00
function-view.h Poison non-POD memset & non-trivially-copyable memcpy/memmove 2017-04-25 01:46:19 +01:00
gdb_assert.h update copyright year range in GDB files 2017-01-01 10:52:34 +04:00
gdb_locale.h update copyright year range in GDB files 2017-01-01 10:52:34 +04:00
gdb_optional.h More gdb::optional features 2017-04-18 23:48:41 +01:00
gdb_ref_ptr.h Use class to manage BFD reference counts 2017-01-10 19:14:10 -07:00
gdb_setjmp.h update copyright year range in GDB files 2017-01-01 10:52:34 +04:00
gdb_signals.h update copyright year range in GDB files 2017-01-01 10:52:34 +04:00
gdb_sys_time.h update copyright year range in GDB files 2017-01-01 10:52:34 +04:00
gdb_termios.h Create gdb_termios.h (and cleanup gdb/{,gdbserver/}terminal.h) 2017-04-12 17:59:45 -04:00
gdb_unique_ptr.h update copyright year range in GDB files 2017-01-01 10:52:34 +04:00
gdb_unlinker.h gdb: Fix ATTRIBUTE_NONNULL usage 2017-03-08 15:52:16 +00:00
gdb_vecs.c update copyright year range in GDB files 2017-01-01 10:52:34 +04:00
gdb_vecs.h Remove definition of VEC (CORE_ADDR) 2017-05-02 13:30:09 -04:00
gdb_wait.h update copyright year range in GDB files 2017-01-01 10:52:34 +04:00
host-defs.h update copyright year range in GDB files 2017-01-01 10:52:34 +04:00
job-control.c Move parts of inferior job control to common/ 2017-06-07 19:52:56 -04:00
job-control.h Move parts of inferior job control to common/ 2017-06-07 19:52:56 -04:00
mingw-strerror.c update copyright year range in GDB files 2017-01-01 10:52:34 +04:00
new-op.c update copyright year range in GDB files 2017-01-01 10:52:34 +04:00
offset-type.h Make sect_offset and cu_offset strong typedefs instead of structs 2017-04-04 20:03:26 +01:00
poison.h Fix build on gcc < 5 (std::is_trivially_copyable missing) 2017-04-25 10:58:57 +01:00
posix-strerror.c update copyright year range in GDB files 2017-01-01 10:52:34 +04:00
preprocessor.h Make sect_offset and cu_offset strong typedefs instead of structs 2017-04-04 20:03:26 +01:00
print-utils.c -Wwrite-strings: The Rest 2017-04-05 19:21:37 +01:00
print-utils.h update copyright year range in GDB files 2017-01-01 10:52:34 +04:00
ptid.c Class-ify ptid_t 2017-04-06 23:29:53 -04:00
ptid.h Class-ify ptid_t 2017-04-06 23:29:53 -04:00
queue.h update copyright year range in GDB files 2017-01-01 10:52:34 +04:00
refcounted-object.h Fix removing inferiors from within "thread apply" commands 2017-04-19 13:12:23 +01:00
rsp-low.c update copyright year range in GDB files 2017-01-01 10:52:34 +04:00
rsp-low.h update copyright year range in GDB files 2017-01-01 10:52:34 +04:00
run-time-clock.c update copyright year range in GDB files 2017-01-01 10:52:34 +04:00
run-time-clock.h update copyright year range in GDB files 2017-01-01 10:52:34 +04:00
scoped_restore.h Make inferior::detaching a bool, and introduce scoped_restore::release() 2017-04-19 13:12:23 +01:00
signals-state-save-restore.c update copyright year range in GDB files 2017-01-01 10:52:34 +04:00
signals-state-save-restore.h update copyright year range in GDB files 2017-01-01 10:52:34 +04:00
signals.c update copyright year range in GDB files 2017-01-01 10:52:34 +04:00
symbol.h update copyright year range in GDB files 2017-01-01 10:52:34 +04:00
traits.h Fix build on gcc < 5 (std::is_trivially_copyable missing) 2017-04-25 10:58:57 +01:00
underlying.h dwarf2read.c: Make dir_index and file_name_index strong typedefs 2017-04-04 20:03:25 +01:00
valid-expr.h Make sect_offset and cu_offset strong typedefs instead of structs 2017-04-04 20:03:26 +01:00
vec.c update copyright year range in GDB files 2017-01-01 10:52:34 +04:00
vec.h update copyright year range in GDB files 2017-01-01 10:52:34 +04:00
version.h update copyright year range in GDB files 2017-01-01 10:52:34 +04:00
x86-xstate.h Add support for Intel PKRU register to GDB and GDBserver. 2017-02-17 11:44:48 +01:00
xml-utils.c update copyright year range in GDB files 2017-01-01 10:52:34 +04:00
xml-utils.h update copyright year range in GDB files 2017-01-01 10:52:34 +04:00