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https://github.com/systemd/systemd-stable.git
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9d2165ea42
(cherry picked from commit 2548ce6a30a1183a7bbbd699aafdf81249a5fe4e) (cherry picked from commit 52f60014056dcf3e5efd5edf0c67b721a18e723c) (cherry picked from commit ea8070be46548f23e863504737a01d39fab2050b)
31 lines
645 B
C
31 lines
645 B
C
/* SPDX-License-Identifier: MIT-0 */
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#include <stdio.h>
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#include <stdint.h>
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#include <systemd/sd-hwdb.h>
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int print_usb_properties(uint16_t vid, uint16_t pid) {
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char match[128];
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sd_hwdb *hwdb;
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const char *key, *value;
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int r;
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/* Match this USB vendor and product ID combination */
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snprintf(match, sizeof match, "usb:v%04Xp%04X", vid, pid);
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r = sd_hwdb_new(&hwdb);
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if (r < 0)
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return r;
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SD_HWDB_FOREACH_PROPERTY(hwdb, match, key, value)
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printf("%s: \"%s\" → \"%s\"\n", match, key, value);
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sd_hwdb_unref(hwdb);
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return 0;
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}
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int main(int argc, char **argv) {
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print_usb_properties(0x046D, 0xC534);
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return 0;
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}
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