From: Karthik Nayak Date: Fri, 26 Jun 2026 16:43:48 GMT Subject: Re: [PATCH GSoC v14 02/13] git-compat-util: add strtoul_szt() with error handling Message-ID: In-Reply-To: <20260625-ps-eric-work-rebase-v14-2-09f7ffe21a53@gmail.com> Pablo Sabater writes: > From: Eric Ju > > We already have strtoul_ui() and similar functions that provide proper > error handling using strtoul from the standard library. However, > there isn't currently a variant that returns an unsigned long. > Shouldn't this say returns a 'size_t'? > This variant is needed in a subsequent commit to enable returning an > size_t with proper error handling. > > Signed-off-by: Pablo Sabater > --- > git-compat-util.h | 20 ++++++++++++++++++++ > 1 file changed, 20 insertions(+) > > diff --git a/git-compat-util.h b/git-compat-util.h > index 8809776407..7f417f1acf 100644 > --- a/git-compat-util.h > +++ b/git-compat-util.h > @@ -975,6 +975,26 @@ static inline int strtoul_ui(char const *s, int base, unsigned int *result) > return 0; > } > > +/* > + * Convert a string to a size_t using the standard library's strtoul, with > + * additional error handling to ensure robustness. > + */ > +static inline int strtoul_szt(char const *s, int base, size_t *result) > +{ > + unsigned long ul; > + char *p; > + > + errno = 0; > + /* negative values would be accepted by strtoul */ > + if (strchr(s, '-')) > + return -1; > + ul = strtoul(s, &p, base); > + if (errno || *p || p == s) > + return -1; > + *result = ul; This converts unsigned long to size_t, but that is fine. Looks good. > + return 0; > +} > + > static inline int strtol_i(char const *s, int base, int *result) > { > long ul; > > -- > 2.54.0