Adding upstream version 255.4.upstream/255.4

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 30 insertions, 0 deletions

diff --git a/man/hwdb-usb-device.c b/man/hwdb-usb-device.c
new file mode 100644
index 0000000..19a5db8
--- /dev/null
+++ b/man/hwdb-usb-device.c
@@ -0,0 +1,30 @@
+/* SPDX-License-Identifier: MIT-0 */
+
+#include <stdio.h>
+#include <stdint.h>
+#include <sd-hwdb.h>
+
+int print_usb_properties(uint16_t vid, uint16_t pid) {
+  char match[STRLEN("usb:vp") + DECIMAL_STR_MAX(uint16_t) * 2];
+  sd_hwdb *hwdb;
+  const char *key, *value;
+  int r;
+
+  /* Match this USB vendor and product ID combination */
+  xsprintf(match, "usb:v%04Xp%04X", vid, pid);
+
+  r = sd_hwdb_new(&hwdb);
+  if (r < 0)
+    return r;
+
+  SD_HWDB_FOREACH_PROPERTY(hwdb, match, key, value)
+    printf("%s: \"%s\" → \"%s\"\n", match, key, value);
+
+  sd_hwdb_unref(hwdb);
+  return 0;
+}
+
+int main(int argc, char **argv) {
+  print_usb_properties(0x046D, 0xC534);
+  return 0;
+}