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lib/posix_wrap/errno.h: Add __set_errno() macro

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$ ./configure --target=x86_64-w64-mingw32 --with-platform=efi --host=x86_64-w64-mingw32
$ make

[...]

cat syminfo.lst | sort | gawk -f ./genmoddep.awk > moddep.lst || (rm -f moddep.lst; exit 1)
__imp__errno in regexp is not defined

This happens because grub-core/lib/gnulib/malloc/dynarray_resize.c and
grub-core/lib/gnulib/malloc/dynarray_emplace_enlarge.c (both are used by
regexp module) from the latest Gnulib call __set_errno() which originally
sets errno variable (Windows builds add __imp__ prefix). Of course it is
not defined and grub_errno should be used instead.

Signed-off-by: Daniel Kiper <daniel.kiper@oracle.com>
Signed-off-by: Robbie Harwood <rharwood@redhat.com>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
This commit is contained in:
Daniel Kiper 2022-03-15 14:05:45 -04:00
parent ad9ccf6600
commit cd63a2f8cd
1 changed files with 4 additions and 0 deletions
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4
grub-core/lib/posix_wrap/errno.h
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@ -26,4 +26,8 @@
#define EINVAL GRUB_ERR_BAD_NUMBER
#define ENOMEM GRUB_ERR_OUT_OF_MEMORY
/* From glibc <errno.h>. */
#ifndef __set_errno
# define __set_errno(val) (grub_errno = (val))
#endif
#endif