Hello,
in tex_setmathparm and tex_getmathparm from ltexlib.c, `i` stores the index of the math parameter to query or set. Given that `i` is obtained through luaL_checkoption it should never have a invalid value. The function still check that `i` is in the valid range using the check
if (i<0 && i>=math_param_last) { /* invalid spec, just ignore it */
I think this is a typo because i>=math_param_last (with math_param_last=114) implies i>0 and therefore this condition can never be true. Maybe || could be used instead of && or the check could be removed entirly.
Marcel
On 8/23/2019 12:43 AM, Marcel Fabian Krüger wrote:
Hello,
in tex_setmathparm and tex_getmathparm from ltexlib.c, `i` stores the index of the math parameter to query or set. Given that `i` is obtained through luaL_checkoption it should never have a invalid value. The function still check that `i` is in the valid range using the check
if (i<0 && i>=math_param_last) { /* invalid spec, just ignore it */I think this is a typo because i>=math_param_last (with math_param_last=114) implies i>0 and therefore this condition can never be true. Maybe || could be used instead of && or the check could be removed entirly.
in luametatex i use this test
if (i < 0 || j < 0) {
so i'll do that in luatex too
----------------------------------------------------------------- Hans Hagen | PRAGMA ADE Ridderstraat 27 | 8061 GH Hasselt | The Netherlands tel: 038 477 53 69 | www.pragma-ade.nl | www.pragma-pod.nl -----------------------------------------------------------------
On Fri, Aug 23, 2019 at 9:11 AM Hans Hagen j.hagen@xs4all.nl wrote:
On 8/23/2019 12:43 AM, Marcel Fabian Krüger wrote:
Hello,
in tex_setmathparm and tex_getmathparm from ltexlib.c, `i` stores the index of the math parameter to query or set. Given that `i` is obtained through luaL_checkoption it should never have a invalid value. The function still check that `i` is in the valid range using the check
if (i<0 && i>=math_param_last) { /* invalid spec, just ignore it */I think this is a typo because i>=math_param_last (with math_param_last=114) implies i>0 and therefore this condition can never be true. Maybe || could be used instead of && or the check could be removed entirly.
in luametatex i use this test
if (i < 0 || j < 0) {so i'll do that in luatex too
Committed revision 7183.
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Hans Hagen -
luigi scarso -
Marcel Fabian Krüger