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-rw-r--r--lib/libmtd_legacy.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/lib/libmtd_legacy.c b/lib/libmtd_legacy.c
index ba8eade..46f51fd 100644
--- a/lib/libmtd_legacy.c
+++ b/lib/libmtd_legacy.c
@@ -146,6 +146,24 @@ static int proc_parse_next(struct proc_parse_info *pi)
}
/**
+ * legacy_procfs_is_supported - legacy version of 'sysfs_is_supported()'.
+ *
+ * Check if we can access the procfs files for the MTD subsystem.
+ */
+int legacy_procfs_is_supported(void)
+{
+ if (access(MTD_PROC_FILE, R_OK) != 0) {
+ if (errno == ENOENT) {
+ errno = 0;
+ } else {
+ sys_errmsg("cannot read \"%s\"", MTD_PROC_FILE);
+ }
+ return 0;
+ }
+ return 1;
+}
+
+/**
* legacy_dev_presentl - legacy version of 'mtd_dev_present()'.
* @info: the MTD device information is returned here
*