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lookup_unique_name: Handle NULL from msg_box

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If msg_box() runs out of memory, it returns NULL.  In this case,
the done_handler_T callbacks of the buttons will not be called.  So
lookup_unique_name() must instead free the struct lun_hop on its own.
This commit is contained in:
Kalle Olavi Niemitalo 2009-07-21 01:06:36 +03:00 committed by Kalle Olavi Niemitalo
parent b80c0e8a0d
commit 4067e54727
1 changed files with 6 additions and 2 deletions
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8
src/session/download.c
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@ -666,8 +666,9 @@ lookup_unique_name(struct terminal *term, unsigned char *ofile,
lun_callback_T *callback, void *data)
{
/* [gettext_accelerator_context(.lookup_unique_name)] */
struct lun_hop *lun_hop;
struct lun_hop *lun_hop = NULL;
unsigned char *file = NULL;
struct dialog_data *dialog_data;
int overwrite;
ofile = expand_tilde(ofile);
@ -721,7 +722,8 @@ lookup_unique_name(struct terminal *term, unsigned char *ofile,
lun_hop->data = data;
lun_hop->resume = resume;
msg_box(term, NULL, MSGBOX_FREE_TEXT,
dialog_data = msg_box(
term, NULL, MSGBOX_FREE_TEXT,
N_("File exists"), ALIGN_CENTER,
msg_text(term, N_("This file already exists:\n"
"%s\n\n"
@ -737,9 +739,11 @@ lookup_unique_name(struct terminal *term, unsigned char *ofile,
: NULL),
lun_resume, 0),
MSG_BOX_BUTTON(N_("~Cancel"), lun_cancel, B_ESC));
if (!dialog_data) goto error;
return;
error:
mem_free_if(lun_hop);
if (file != ofile) mem_free_if(file);
mem_free_if(ofile);
callback(term, NULL, data, resume & ~DOWNLOAD_RESUME_SELECTED);