Merge pull request #3018 from sxmichaels/add-scroll-factor

Add scroll factor input command.

1 files changed, 12 insertions, 0 deletions

diff --git a/common/util.c b/common/util.c
index f4588b57..0caafb39 100644
--- a/common/util.c
+++ b/common/util.c
@@ -3,6 +3,7 @@
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <unistd.h>
+#include <float.h>
 #include <math.h>
 #include <stdint.h>
 #include <stdio.h>
@@ -140,6 +141,17 @@ bool parse_boolean(const char *boolean, bool current) {
         return false;
 }
 
+float parse_float(const char *value) {
+        errno = 0;
+        char *end;
+        float flt = strtof(value, &end);
+        if (*end || errno) {
+                wlr_log(WLR_DEBUG, "Invalid float value '%s', defaulting to NAN", value);
+                return NAN;
+        }
+        return flt;
+}
+
 enum wlr_direction opposite_direction(enum wlr_direction d) {
         switch (d) {
         case WLR_DIRECTION_UP: