mirror of
https://github.com/systemd/systemd.git
synced 2024-10-30 14:55:37 +03:00
29 lines
598 B
C
29 lines
598 B
C
|
#include <stdio.h>
|
||
|
#include <stdint.h>
|
||
|
#include <sd-hwdb.h>
|
||
|
|
||
|
int print_usb_properties(uint16_t vid, uint16_t pid) {
|
||
|
char match[15];
|
||
|
sd_hwdb *hwdb;
|
||
|
const char *key, *value;
|
||
|
int r;
|
||
|
|
||
|
/* Match this USB vendor and product ID combination */
|
||
|
snprintf(match, sizeof 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;
|
||
|
}
|