On Sat, Oct 05, 2019 at 02:47:23AM +0100, Steve McIntyre wrote:
> On Sat, Oct 05, 2019 at 12:44:26AM +0200, Javier Martinez Canillas wrote:
> >From: Paulo Flabiano Smorigo <pfsmor...@br.ibm.com>
> >
> >The printf(3) function has support for the %X format specifier, to output
> >an unsigned hexadecimal integer in uppercase.
> >
> >This can be achived in GRUB using the %x format specifier in grub_printf()
> >and calling grub_toupper(), but it is more convenient if there is support
> >for %X in grub_printf().
> >
> >Signed-off-by: Paulo Flabiano Smorigo <pfsmor...@br.ibm.com>
> >Signed-off-by: Javier Martinez Canillas <javi...@redhat.com>
> >---
> >
> > grub-core/kern/misc.c | 7 +++++--
> > 1 file changed, 5 insertions(+), 2 deletions(-)
> >
> >diff --git a/grub-core/kern/misc.c b/grub-core/kern/misc.c
> >index 3b633d51f4c..76e7fb22872 100644
> >--- a/grub-core/kern/misc.c
> >+++ b/grub-core/kern/misc.c
> >@@ -588,7 +588,7 @@ grub_divmod64 (grub_uint64_t n, grub_uint64_t d,
> >grub_uint64_t *r)
> > static inline char *
> > grub_lltoa (char *str, int c, unsigned long long n)
> > {
> >- unsigned base = (c == 'x') ? 16 : 10;
> >+ unsigned base = ((c == 'x') || (c == 'X')) ? 16 : 10;
> > char *p;
> >
> > if ((long long) n < 0 && c == 'd')
> >@@ -603,7 +603,7 @@ grub_lltoa (char *str, int c, unsigned long long n)
> > do
> > {
> > unsigned d = (unsigned) (n & 0xf);
> >- *p++ = (d > 9) ? d + 'a' - 10 : d + '0';
> >+ *p++ = (d > 9) ? d + ((c == 'x') ? 'a' : 'A') - 10 : d + '0';
> > }
> > while (n >>= 4);
> > else
> >@@ -676,6 +676,7 @@ parse_printf_args (const char *fmt0, struct printf_args
> >*args,
> > {
> > case 'p':
> > case 'x':
> >+ case 'X':
> > case 'u':
> > case 'd':
> > case 'c':
> >@@ -762,6 +763,7 @@ parse_printf_args (const char *fmt0, struct printf_args
> >*args,
> > switch (c)
> > {
> > case 'x':
> >+ case 'X':
> > case 'u':
> > args->ptr[curn].type = UNSIGNED_INT + longfmt;
> > break;
> >@@ -900,6 +902,7 @@ grub_vsnprintf_real (char *str, grub_size_t max_len,
> >const char *fmt0,
> > c = 'x';
> > /* Fall through. */
> > case 'x':
> >+ case 'X':
> > case 'u':
> > case 'd':
> > {
>
> Ummm, isn't this exactly the same patch that Colin Watson proposed and
> I reviewed back in March, as part of his changeset for UEFI?
>
> https://lists.gnu.org/archive/html/grub-devel/2019-03/msg00121.html
>
> Oh, that never got applied. :-(
Well, IIRC because the whole patch series was not taken... :-(((
I hope that this time we will take it.
Daniel
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