prosody
5dd00f806e32
util-src/crypto.c

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util-src/crypto.c @ 12715:5dd00f806e32

util.crypto: Use Lua 5.2 API for predictable buffer size In Lua 5.3 LUAL_BUFFERSIZE is a macro computed from sizeof and is thus not known at pre-processing time, so this does not work. Since Lua 5.1 is no longer supported, we can use luaL_prepbuffsize() which is available from Lua 5.2
author Kim Alvefur <zash@zash.se>
date Mon, 11 Jul 2022 17:11:38 +0200
parent 12714:82bca7191f13
child 12735:445f7bd6ffc4
comparison
equal deleted inserted replaced
12714:82bca7191f13 12715:5dd00f806e32
483 483
484 ECDSA_SIG_set0(sig, r, s); 484 ECDSA_SIG_set0(sig, r, s);
485 485
486 luaL_buffinit(L, &sigbuf); 486 luaL_buffinit(L, &sigbuf);
487 487
488 // COMPAT w/ Lua 5.1 488 unsigned char *buffer = (unsigned char*)luaL_prepbuffsize(&sigbuf, rlen+slen+32);
489 #if LUAL_BUFFERSIZE < 128
490 #error Configured LUAL_BUFFERSIZE is too small for this operation
491 #endif
492
493 unsigned char *buffer = (unsigned char*)luaL_prepbuffer(&sigbuf);
494 int len = i2d_ECDSA_SIG(sig, &buffer); 489 int len = i2d_ECDSA_SIG(sig, &buffer);
495 luaL_addsize(&sigbuf, len); 490 luaL_addsize(&sigbuf, len);
496 luaL_pushresult(&sigbuf); 491 luaL_pushresult(&sigbuf);
497 492
498 ECDSA_SIG_free(sig); 493 ECDSA_SIG_free(sig);