shared: add is_efiboot()

2 files changed, 6 insertions, 0 deletions

diff --git a/src/shared/util.c b/src/shared/util.c
index 2a8afae0ec..99836953bf 100644
--- a/src/shared/util.c
+++ b/src/shared/util.c
@@ -77,6 +77,10 @@ char **saved_argv = NULL;
 static volatile unsigned cached_columns = 0;
 static volatile unsigned cached_lines = 0;
 
+bool is_efiboot(void) {
+        return access("/sys/firmware/efi", F_OK) >= 0;
+}
+
 size_t page_size(void) {
         static __thread size_t pgsz = 0;
         long r;
diff --git a/src/shared/util.h b/src/shared/util.h
index e387b1268a..99972cc637 100644
--- a/src/shared/util.h
+++ b/src/shared/util.h
@@ -90,6 +90,8 @@ union dirent_storage {
 #define ANSI_HIGHLIGHT_YELLOW_ON "\x1B[1;33m"
 #define ANSI_HIGHLIGHT_OFF "\x1B[0m"
 
+bool is_efiboot(void);
+
 usec_t now(clockid_t clock);
 
 dual_timestamp* dual_timestamp_get(dual_timestamp *ts);