#include <stdlib.h>
#include "alloc-util.h"
+#include "dlfcn-util.h"
#include "fd-util.h"
#include "fileio.h"
#include "journal-qrcode.h"
const char *hn,
sd_id128_t machine) {
+ QRcode* (*sym_QRcode_encodeString)(const char *string, int version, QRecLevel level, QRencodeMode hint, int casesensitive);
+ void (*sym_QRcode_free)(QRcode *qrcode);
+ _cleanup_(dlclosep) void *dl = NULL;
_cleanup_free_ char *url = NULL;
_cleanup_fclose_ FILE *f = NULL;
size_t url_size = 0, i;
if (!is_locale_utf8() || !colors_enabled())
return -EOPNOTSUPP;
+ dl = dlopen("libqrencode.so.4", RTLD_LAZY);
+ if (!dl)
+ return log_debug_errno(SYNTHETIC_ERRNO(EOPNOTSUPP),
+ "QRCODE support is not installed: %s", dlerror());
+
+ r = dlsym_many_and_warn(
+ dl,
+ LOG_DEBUG,
+ &sym_QRcode_encodeString, "QRcode_encodeString",
+ &sym_QRcode_free, "QRcode_free",
+ NULL);
+ if (r < 0)
+ return r;
+
f = open_memstream_unlocked(&url, &url_size);
if (!f)
return -ENOMEM;
f = safe_fclose(f);
- qr = QRcode_encodeString(url, 0, QR_ECLEVEL_L, QR_MODE_8, 1);
+ qr = sym_QRcode_encodeString(url, 0, QR_ECLEVEL_L, QR_MODE_8, 1);
if (!qr)
return -ENOMEM;
print_border(output, qr->width);
- QRcode_free(qr);
+ sym_QRcode_free(qr);
return 0;
}