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Clean free on malloc failure

This commit is contained in:
Julien Palard 2011-09-23 21:47:34 +02:00
parent aae695fca3
commit 47426ae181
1 changed files with 14 additions and 1 deletions
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15
terminal_vt100.c
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@ -905,12 +905,18 @@ struct terminal_vt100 *vt100_init(void (*unimplemented)(struct terminal* term_em
vt100->height = 24;
vt100->width = 80;
vt100->screen = malloc(132 * SCROLLBACK * vt100->height);
if (vt100->screen == NULL)
goto free_vt100;
memset(vt100->screen, ' ', 132 * SCROLLBACK * vt100->height);
vt100->frozen_screen = malloc(132 * vt100->height);
if (vt100->frozen_screen == NULL)
goto free_screen;
memset(vt100->frozen_screen, ' ', 132 * vt100->height);
vt100->tabulations = malloc(132);
if (vt100->tabulations == NULL)
return NULL; /*TODO: Need to free before returning ... */
goto free_frozen_screen;
if (vt100->tabulations == NULL)
return NULL;
vt100->margin_top = 0;
vt100->margin_bottom = vt100->height - 1;
vt100->selected_charset = 0;
@ -944,4 +950,11 @@ struct terminal_vt100 *vt100_init(void (*unimplemented)(struct terminal* term_em
vt100->terminal->callbacks.hash.n8 = DECALN;
vt100->terminal->unimplemented = unimplemented;
return vt100;
free_frozen_screen:
free(vt100->frozen_screen);
free_screen:
free(vt100->screen);
free_vt100:
free(vt100);
return NULL;
}