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authorLeah Rowe <leah@libreboot.org>2026-04-01 12:19:43 +0100
committerLeah Rowe <leah@libreboot.org>2026-04-01 12:30:55 +0100
commit44004191cbc1a2a4fc2a60aca215560b5d989b7c (patch)
tree6e1baaf6fc5a90e6aea4f3987486d74b6df06b24 /util/libreboot-utils/lib/file.c
parent2c40ad78166c4cdb667caf4238080a4708c43326 (diff)
lbutils: don't set USE_OPENAT and USE_URANDOM
these can be set explicitly in the compiler flags, e.g. make CC="cc -DUSE_OPENAT=1 -DUSE_URANDOM=1" these options, if set to 1, will cause you to use the code as if it were running on non-linux systems such as openbsd. of course, some differences will still exist, but this is useful for portability testing when compiling on linux. Signed-off-by: Leah Rowe <leah@libreboot.org>
Diffstat (limited to 'util/libreboot-utils/lib/file.c')
-rw-r--r--util/libreboot-utils/lib/file.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/util/libreboot-utils/lib/file.c b/util/libreboot-utils/lib/file.c
index 3f15aabf..1df5cfb3 100644
--- a/util/libreboot-utils/lib/file.c
+++ b/util/libreboot-utils/lib/file.c
@@ -22,12 +22,15 @@ long max = pathconf("/", _PC_PATH_MAX);
/* for openat2: */
#ifdef __linux__
+#if !defined(USE_OPENAT) || \
+ ((USE_OPENAT) < 1) /* if 1: use openat, not openat2 */
#ifndef _GNU_SOURCE
#define _GNU_SOURCE 1
#endif
#include <linux/openat2.h>
#include <sys/syscall.h>
#endif
+#endif
#include <sys/types.h>
#include <sys/stat.h>
@@ -612,7 +615,8 @@ open_file_on_eintr(const char *path,
}
-#ifdef __linux__ /* we use openat2 on linux */
+#if defined(__linux__) && \
+ ((USE_OPENAT) < 1) /* we use openat2 on linux */
int
openat_on_eintr(int dirfd, const char *path,
int flags, mode_t mode)