HAL_ChibiOS: fixed build warning

2018-02-08 14:56:55 +11:00 · 2018-02-08 14:56:55 +11:00 · b90c0d78f3
parent 86d43061e9
commit b90c0d78f3
1 changed files with 1 additions and 1 deletions
--- a/libraries/AP_HAL_ChibiOS/hwdef/common/stdio.c
+++ b/libraries/AP_HAL_ChibiOS/hwdef/common/stdio.c
@ -256,7 +256,7 @@ vsscanf (const char *buf, const char *s, va_list ap)
    else if (*s == 'l' || *s == 'L')
        lflag = 1;
    else if (*s >= '1' && *s <= '9') {
-        for (tc = s; isdigit (*s); s++);
+        for (tc = s; isdigit ((unsigned)(*s)); s++);
        strncpy (tmp, tc, s - tc);
        tmp[s - tc] = '\0';
        atob (&width, tmp, 10);