diff options
| -rw-r--r-- | lib/crypto/c_src/crypto.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/lib/crypto/c_src/crypto.c b/lib/crypto/c_src/crypto.c index 322f08be64..7567a08894 100644 --- a/lib/crypto/c_src/crypto.c +++ b/lib/crypto/c_src/crypto.c @@ -548,9 +548,12 @@ static ERL_NIF_TERM atom_onbasis; #ifdef HAVE_DYNAMIC_CRYPTO_LIB static int change_basename(ErlNifBinary* bin, char* buf, int bufsz, const char* newfile) { - const unsigned char* p = (unsigned char*)strrchr((char*)bin->data, '/'); - int i = (p == NULL) ? 0 : (p+1) - bin->data; + int i; + for (i = bin->size; i > 0; i--) { + if (bin->data[i-1] == '/') + break; + } if (i + strlen(newfile) >= bufsz) { PRINTF_ERR0("CRYPTO: lib name too long"); return 0; |