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Add unsigned char cast to isupper

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This commit is contained in:
Andrey A. Chernov 1999-11-04 04:40:56 +00:00
parent 3fb85bff81
commit 3c7ffaa1fe
1 changed files with 1 additions and 1 deletions
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2
lib/libc/stdtime/strptime.c
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@ -362,7 +362,7 @@ _strptime(const char *buf, const char *fmt, struct tm *tm)
const char *cp;
char *zonestr;
for (cp = buf; *cp && isupper(*cp); ++cp) {/*empty*/}
for (cp = buf; *cp && isupper((unsigned char)*cp); ++cp) {/*empty*/}
if (cp - buf) {
zonestr = alloca(cp - buf + 1);
strncpy(zonestr, buf, cp - buf);