`data_dir` would have been leaked if directory creation failed.
`editor_argv` was leaked at some point, no idea why.
```
==1244734== 118 (32 direct, 86 indirect) bytes in 1 blocks are definitely lost in loss record 6,299 of 7,824
==1244734== at 0x4846CC3: realloc (vg_replace_malloc.c:1451)
==1244734== by 0x5E85AD0: g_realloc (in /usr/lib/libglib-2.0.so.0.7600.1)
==1244734== by 0x5E4A004: ??? (in /usr/lib/libglib-2.0.so.0.7600.1)
==1244734== by 0x5E4A7B1: g_ptr_array_add (in /usr/lib/libglib-2.0.so.0.7600.1)
==1244734== by 0x5EA4235: g_strsplit (in /usr/lib/libglib-2.0.so.0.7600.1)
==1244734== by 0x1F143C: get_message_from_editor (editor.c:92)
==1244734== by 0x193F6B: _inp_rl_send_to_editor (inputwin.c:950)
==1244734== by 0x614642F: _rl_dispatch_subseq (readline.c:916)
==1244734== by 0x6146C85: _rl_dispatch_callback (readline.c:823)
==1244734== by 0x616739F: rl_callback_read_char (callback.c:241)
==1244734== by 0x1923DB: inp_readline (inputwin.c:188)
==1244734== by 0x149860: prof_run (profanity.c:117)
==1244734== by 0x2283E8: main (main.c:186)
```
Signed-off-by: Steffen Jaeckel <jaeckel-floss@eyet-services.de>
* Make editor executable into a string to be able to support
(multiple) flags.
* Change /help executable to suit this new feature
Signed-off-by: Daniel Santos <dacs.git@brilhante.top>
* use GLib functions to write&read compose file
* trim trailing new-line characters from compose file
Signed-off-by: Steffen Jaeckel <jaeckel-floss@eyet-services.de>
In case we're not connected yet and press Alt+c a segfault occurred
since `conn.xmpp_conn` is dereferenced while it's still `NULL`.
Signed-off-by: Steffen Jaeckel <jaeckel-floss@eyet-services.de>
