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tools/debug-tablet: switch an snprintf to strvs

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Less having to think about snprintf's buffer correctness

Part-of: <https://gitlab.freedesktop.org/libinput/libinput/-/merge_requests/1453>
This commit is contained in:
Peter Hutterer 2026-03-22 18:25:14 +10:00 • committed by Marge Bot
parent 166201d9fc
commit 1c4040ffa3
1 changed files with 9 additions and 7 deletions
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16
tools/libinput-debug-tablet.c
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@ -39,6 +39,7 @@
#include "util-input-event.h"
#include "util-macros.h"
#include "util-strings.h"
#include "shared.h"
@ -91,19 +92,20 @@ print_line(const char *format, ...)
static void
print_buttons(struct context *ctx, unsigned int *buttons, size_t sz)
{
char buf[256] = { 0 };
size_t len = 0;
_autostrvfree_ char **strv = NULL;
for (size_t i = 0; i < sz; i++) {
const char *name;
if (buttons[i] == 0)
continue;
name = libevdev_event_code_get_name(EV_KEY, buttons[i]);
len += snprintf(&buf[len], sizeof(buf) - len, "%s ", name);
strv = strv_append_printf(
strv,
"%s",
libevdev_event_code_get_name(EV_KEY, buttons[i]));
}
print_line(" buttons: %s", buf);
_autofree_ char *btnstr = strv_join(strv, " ");
print_line(" buttons: %s", btnstr ? btnstr : "");
}
static void