Hi! Here's v3, suggesting alnum(3) instead of isxdigit(3), and also making the wording slightly more precise, since not all negative numbers are accepted; only some (I don't feel like explaining it with details; it's easier to just say it's a bug to be workarounded). Add a link. Cheers, Alex Alejandro Colomar (2): man/man3/strto[u]l.3: BUGS: Signed numbers and white space are not rejected man/man3/strtol.3: CAVEATS: Clarify how to perform range checks man/man3/strtol.3 | 20 ++++++++++++++++++++ man/man3/strtoul.3 | 19 ++++++++++++++----- 2 files changed, 34 insertions(+), 5 deletions(-) Range-diff against v2: 1: 8faa6a809 ! 1: 3c456a1a0 man/man3/strto[u]l.3: BUGS: Signed numbers and white space are not rejected @@ Metadata ## Commit message ## man/man3/strto[u]l.3: BUGS: Signed numbers and white space are not rejected + Link: Reported-by: Bruno Haible Signed-off-by: Alejandro Colomar @@ man/man3/strtoul.3: .SH CAVEATS -value. +.SH BUGS +.SS Signed numbers -+Negative values ++Some negative values +are considered valid input and +are silently converted to +.IR "\%unsigned\ long" . +.SS White space +These functions silently accept leading whitespace. -+.SS isxdigit(3) ++.SS isalnum(3) +One should call -+.BR isxdigit (3) ++.BR isalnum (3) +before +.BR strtoul () +to reject white space and/or a sign. 2: b5244e62c = 2: 020b468a3 man/man3/strtol.3: CAVEATS: Clarify how to perform range checks base-commit: e921861a3d30cfc5f9263747a4e64a68e488288c -- 2.47.2