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Check for snprintf truncation in pgtkterm

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* src/pgtkterm.c (pgtk_enumerate_devices):
Abort if snprintf truncated.
This commit is contained in:
Paul Eggert 2025-01-21 22:19:08 -08:00
parent 4a25ed300f
commit db9ea9b77a
1 changed files with 4 additions and 3 deletions
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7
src/pgtkterm.c
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@ -183,9 +183,10 @@ pgtk_enumerate_devices (struct pgtk_display_info *dpyinfo,
rec->seat = g_object_ref (seat);
rec->device = GDK_DEVICE (t1->data);
snprintf (printbuf, 1026, "%u:%s",
gdk_device_get_source (rec->device),
gdk_device_get_name (rec->device));
int len = snprintf (printbuf, sizeof printbuf, "%u:%s",
gdk_device_get_source (rec->device),
gdk_device_get_name (rec->device));
eassert (len < sizeof printbuf);
rec->name = build_string (printbuf);
rec->next = dpyinfo->devices;