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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 15:35:18 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 15:35:18 +0000 |
commit | b750101eb236130cf056c675997decbac904cc49 (patch) | |
tree | a5df1a06754bdd014cb975c051c83b01c9a97532 /man/hwdb-usb-device.c | |
parent | Initial commit. (diff) | |
download | systemd-b750101eb236130cf056c675997decbac904cc49.tar.xz systemd-b750101eb236130cf056c675997decbac904cc49.zip |
Adding upstream version 252.22.upstream/252.22
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | man/hwdb-usb-device.c | 30 |
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; +} |