generic-library/libreSSL
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ensure we don't pass a negative int to ctypes functions

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Some implementations, e.g. cygwin, use a table lookup that can cast
a char to a negative array offset.
This commit is contained in:
Brent Cook 2015-11-23 02:06:03 -06:00
parent 9574b6c8ec
commit 7109fb3260
1 changed files with 3 additions and 3 deletions
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6
apps/nc/compat/readpassphrase.c
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@ -141,11 +141,11 @@ restart:
if (p < end) { if (p < end) {
if ((flags & RPP_SEVENBIT)) if ((flags & RPP_SEVENBIT))
ch &= 0x7f; ch &= 0x7f;
if (isalpha(ch)) { if (isalpha((unsigned char)ch)) {
if ((flags & RPP_FORCELOWER)) if ((flags & RPP_FORCELOWER))
ch = (char)tolower(ch); ch = (char)tolower((unsigned char)ch);
if ((flags & RPP_FORCEUPPER)) if ((flags & RPP_FORCEUPPER))
ch = (char)toupper(ch); ch = (char)toupper((unsigned char)ch);
} }
*p++ = ch; *p++ = ch;
} }