Signed-off-by: Philipp Zabel <p.za...@pengutronix.de>
---
No changes since v2.
---
fs/parseopt.c | 26 ++++++++++++++++++++++++++
fs/parseopt.h | 1 +
2 files changed, 27 insertions(+)
diff --git a/fs/parseopt.c b/fs/parseopt.c
index 12dbe1813c..8ff83019a7 100644
--- a/fs/parseopt.c
+++ b/fs/parseopt.c
@@ -2,6 +2,32 @@
#include "parseopt.h"
+void parseopt_b(const char *options, const char *opt, bool *val)
+{
+ const char *start;
+ size_t optlen = strlen(opt);
+
+again:
+ start = strstr(options, opt);
+
+ if (!start) {
+ *val = false;
+ return;
+ }
+
+ if (start > options && start[-1] != ',') {
+ options = start;
+ goto again;
+ }
+
+ if (start[optlen] != ',' && start[optlen] != '\0') {
+ options = start;
+ goto again;
+ }
+
+ *val = true;
+}
+
void parseopt_hu(const char *options, const char *opt, unsigned short *val)
{
const char *start;
diff --git a/fs/parseopt.h b/fs/parseopt.h
index a8523b6a10..abf3be3f35 100644
--- a/fs/parseopt.h
+++ b/fs/parseopt.h
@@ -1 +1,2 @@
+void parseopt_b(const char *options, const char *opt, bool *val);
void parseopt_hu(const char *options, const char *opt, unsigned short *val);
--
2.11.0
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