X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=src%2Flib%2Fefi.c;fp=src%2Flib%2Fefi.c;h=ac782c9b0edc4c3d5c7afc70f32579bfa04aea25;hb=d96a8f66c5fe2fac79073cc40e6f57f04c5bb4f1;hp=26c144a347bd6fcab745051466d5d543b8502021;hpb=c89d5f1e80b1582b6065b6f9a771b1c77f72c170;p=debian%2Fefibootmgr

diff --git a/src/lib/efi.c b/src/lib/efi.c
index 26c144a..ac782c9 100644
--- a/src/lib/efi.c
+++ b/src/lib/efi.c
@@ -20,8 +20,9 @@
 
 #define _FILE_OFFSET_BITS 64
 
-typedef unsigned long long u64;	/* hack to allow include of ethtool.h */
+typedef unsigned long long u64;       /* hack to allow include of ethtool.h */
 
+#include <ctype.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
@@ -173,9 +174,12 @@ create_or_edit_variable(efi_variable_t *var)
 static int
 select_boot_var_names(const struct dirent *d)
 {
-	int num, rc;
-	rc = sscanf(d->d_name, "Boot0%03x-%*s", &num);
-	return rc;
+	if (!strncmp(d->d_name, "Boot", 4) &&
+	    isxdigit(d->d_name[4]) && isxdigit(d->d_name[5]) &&
+	    isxdigit(d->d_name[6]) && isxdigit(d->d_name[7]) &&
+	    d->d_name[8] == '-')
+		return 1;
+	return 0;
 }
 
 int
@@ -718,7 +722,7 @@ make_linux_efi_variable(efi_variable_t *var,
 	memset(buffer,    0, sizeof(buffer));
 
 	/* VariableName needs to be BootXXXX */
-	sprintf(buffer, "Boot%04x", free_number);
+	sprintf(buffer, "Boot%04X", free_number);
 
 	efichar_from_char(var->VariableName, buffer, 1024);