openwrt/package/boot/kexec-tools/patches/020-i386-improve-basename-c...

38 lines
1.3 KiB
Diff

From 99f62f58fac57214ecc3c9aabf6bf61ac1e1201d Mon Sep 17 00:00:00 2001
From: Tony Ambardar <itugrok@yahoo.com>
Date: Fri, 7 Jun 2024 21:54:56 -0700
Subject: [PATCH] i386: improve basename() compatibility
Drop usage of glibc basename() in favour of a simpler implementation that
works across GNU and musl libc, and is similar to existing code in fs2dt.c.
This fixes compile errors seen building against musl.
Signed-off-by: Tony Ambardar <itugrok@yahoo.com>
---
kexec/arch/i386/x86-linux-setup.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
--- a/kexec/arch/i386/x86-linux-setup.c
+++ b/kexec/arch/i386/x86-linux-setup.c
@@ -318,6 +318,7 @@ static int add_edd_entry(struct x86_linu
uint8_t devnum, version;
uint32_t mbr_sig;
struct edd_info *edd_info;
+ char *basename = strrchr(sysfs_name,'/') + 1;
if (!current_mbr || !current_edd) {
fprintf(stderr, "%s: current_edd and current_edd "
@@ -329,9 +330,9 @@ static int add_edd_entry(struct x86_linu
memset(edd_info, 0, sizeof(struct edd_info));
/* extract the device number */
- if (sscanf(basename(sysfs_name), "int13_dev%hhx", &devnum) != 1) {
+ if (sscanf(basename, "int13_dev%hhx", &devnum) != 1) {
fprintf(stderr, "Invalid format of int13_dev dir "
- "entry: %s\n", basename(sysfs_name));
+ "entry: %s\n", basename);
return -1;
}