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| author | Vincent Lefevre <vincent@vinc17.net> | 2021-05-15 14:11:49 -0700 |
|---|---|---|
| committer | Bart Schaefer <schaefer@ipost.com> | 2021-05-15 14:11:49 -0700 |
| commit | 4fa4dcad17f593a8def8799ad1d5258c328d9ead (patch) | |
| tree | efcfb9a34916f69fdc067a2a0264979db005fb27 /Src/math.c | |
| parent | users/26742: break out of surrounding shell loops when exit is called from an... (diff) | |
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48723: locale-safe recognition of "Inf" and "NaN" constants in math
Diffstat (limited to 'Src/math.c')
| -rw-r--r-- | Src/math.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/Src/math.c b/Src/math.c index 1d0d86639..ade02d80c 100644 --- a/Src/math.c +++ b/Src/math.c @@ -864,13 +864,17 @@ zzlex(void) p = ptr; ptr = ie; if (ie - p == 3) { - if (strncasecmp(p, "NaN", 3) == 0) { + if ((p[0] == 'N' || p[0] == 'n') && + (p[1] == 'A' || p[1] == 'a') && + (p[2] == 'N' || p[2] == 'n')) { yyval.type = MN_FLOAT; yyval.u.d = 0.0; yyval.u.d /= yyval.u.d; return NUM; } - else if (strncasecmp(p, "Inf", 3) == 0) { + else if ((p[0] == 'I' || p[0] == 'i') && + (p[1] == 'N' || p[1] == 'n') && + (p[2] == 'F' || p[2] == 'f')) { yyval.type = MN_FLOAT; yyval.u.d = 0.0; yyval.u.d = 1.0 / yyval.u.d; |