On Sat, Oct 4, 2025 at 7:52 AM Rong Tao <[email protected]> wrote: > > From: Rong Tao <[email protected]> > > bpf_strcasestr() and bpf_strncasestr() functions perform same like > bpf_strstr() and bpf_strnstr() except ignoring the case of the > characters. > > Signed-off-by: Rong Tao <[email protected]> > --- > kernel/bpf/helpers.c | 96 ++++++++++++++++++++++++++++++++++---------- > 1 file changed, 75 insertions(+), 21 deletions(-) > > diff --git a/kernel/bpf/helpers.c b/kernel/bpf/helpers.c > index c9fab9a356df..4df902e5f208 100644 > --- a/kernel/bpf/helpers.c > +++ b/kernel/bpf/helpers.c > @@ -3675,34 +3675,20 @@ __bpf_kfunc int bpf_strcspn(const char *s__ign, const > char *reject__ign) > return -EFAULT; > } > > -/** > - * bpf_strnstr - Find the first substring in a length-limited string > - * @s1__ign: The string to be searched > - * @s2__ign: The string to search for > - * @len: the maximum number of characters to search > - * > - * Return: > - * * >=0 - Index of the first character of the first occurrence of > @s2__ign > - * within the first @len characters of @s1__ign > - * * %-ENOENT - @s2__ign not found in the first @len characters of @s1__ign > - * * %-EFAULT - Cannot read one of the strings > - * * %-E2BIG - One of the strings is too large > - * * %-ERANGE - One of the strings is outside of kernel address space > - */ > -__bpf_kfunc int bpf_strnstr(const char *s1__ign, const char *s2__ign, size_t > len) > +int __bpf_strnstr(const char *s1, const char *s2, size_t len, bool > ignore_case)
keep it static? pw-bot: cr [...]
