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kern/misc: Split parse_printf_args() into format parsing and va_list handling

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This patch is preparing for a follow up patch which will use
the format parsing part to compare the arguments in a printf()
format from an external source against a printf() format with
expected arguments.

Signed-off-by: Thomas Frauendorfer | Miray Software <tf@miray.de>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
This commit is contained in:
Thomas Frauendorfer | Miray Software 2021-02-15 13:40:16 +01:00 committed by Daniel Kiper
parent 968de8c23c
commit 7f11bde314
1 changed files with 9 additions and 2 deletions
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11
grub-core/kern/misc.c
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@ -645,8 +645,7 @@ grub_lltoa (char *str, int c, unsigned long long n)
}
static void
parse_printf_args (const char *fmt0, struct printf_args *args,
va_list args_in)
parse_printf_arg_fmt (const char *fmt0, struct printf_args *args)
{
const char *fmt;
char c;
@ -804,6 +803,14 @@ parse_printf_args (const char *fmt0, struct printf_args *args,
break;
}
}
}
static void
parse_printf_args (const char *fmt0, struct printf_args *args, va_list args_in)
{
grub_size_t n;
parse_printf_arg_fmt (fmt0, args);
for (n = 0; n < args->count; n++)
switch (args->ptr[n].type)