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i3bar: fix clang compilation error by using const size_t (#6349)

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Thanks to Shouη (@Shoun2137 on GitHub) for the suggestion.
This commit is contained in:
Michael Stapelberg 2024-12-30 08:29:29 +01:00 committed by GitHub
parent 9dc5230000
commit 853b0d9161
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1 changed files with 3 additions and 2 deletions
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i3bar/src/xcb.c
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@ -1517,8 +1517,9 @@ static void init_tray(void) {
/* request the tray manager atom for the X11 display we are running on */
/* The following line cannot use strlen as that makes compilation fail with
* some versions of clang (-Wgnu-folding-constant): */
char atomname[18 /* strlen("_NET_SYSTEM_TRAY_S") */ + 11];
snprintf(atomname, strlen("_NET_SYSTEM_TRAY_S") + 11, "_NET_SYSTEM_TRAY_S%d", screen);
const size_t systray_len = strlen("_NET_SYSTEM_TRAY_S") + 11;
char atomname[systray_len];
snprintf(atomname, systray_len, "_NET_SYSTEM_TRAY_S%d", screen);
xcb_intern_atom_cookie_t tray_cookie;
if (tray_reply == NULL) {
tray_cookie = xcb_intern_atom(xcb_connection, 0, strlen(atomname), atomname);