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author | ache <ache@FreeBSD.org> | 1995-08-01 21:38:00 +0000 |
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committer | ache <ache@FreeBSD.org> | 1995-08-01 21:38:00 +0000 |
commit | 9246df9bb49151b04bae525154ca52e5695dab53 (patch) | |
tree | a7cc5f8cd9ee78eb06acaa8b471f9f271b924922 /lib | |
parent | 21cc29328e0ec5d81f23c44eb23b19d99f7e691f (diff) | |
download | FreeBSD-src-9246df9bb49151b04bae525154ca52e5695dab53.zip FreeBSD-src-9246df9bb49151b04bae525154ca52e5695dab53.tar.gz |
strtol and atoi VERY broken in 8bit chars locale, i.e. if you pass something
like 38400<any 8bit char, isalpha> it not detect this stuff and
produce very big number instead. Fixed by operating with unsigned char
and checking for isascii. (secure/telnetd hits by it f.e.)
Diffstat (limited to 'lib')
-rw-r--r-- | lib/libc/stdlib/strtol.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/libc/stdlib/strtol.c b/lib/libc/stdlib/strtol.c index 1a7f7b3..3e6ec70 100644 --- a/lib/libc/stdlib/strtol.c +++ b/lib/libc/stdlib/strtol.c @@ -55,7 +55,7 @@ strtol(nptr, endptr, base) { register const char *s = nptr; register unsigned long acc; - register int c; + register unsigned char c; register unsigned long cutoff; register int neg = 0, any, cutlim; @@ -102,6 +102,8 @@ strtol(nptr, endptr, base) cutlim = cutoff % (unsigned long)base; cutoff /= (unsigned long)base; for (acc = 0, any = 0;; c = *s++) { + if (!isascii(c)) + break; if (isdigit(c)) c -= '0'; else if (isalpha(c)) |