Cast arguments to ctype(3) functions through (int)(unsigned char).

[coreboot.git] / util / nvramtool / cli / nvramtool.c

diff --git a/util/nvramtool/cli/nvramtool.c b/util/nvramtool/cli/nvramtool.c
index 9bc3e4e5251e3a32b05c5cb4600d2e9b40433de6..bc929da698671b541a7ff3a881b3d5ed03ee4094 100644 (file)
--- a/util/nvramtool/cli/nvramtool.c
+++ b/util/nvramtool/cli/nvramtool.c
@@ -800,7 +800,7 @@ static int list_cmos_entry(const cmos_entry_t * e, int show_name)
        case CMOS_ENTRY_STRING:
                w = (char *)(unsigned long)value;
                while (*w) {
-                       if(!isprint(*w)) {
+                       if(!isprint((int)(unsigned char)*w)) {
                                if (show_name)
                                        printf("# Bad value -> %s\n", e->name);
                                else
@@ -846,7 +846,7 @@ static uint16_t convert_checksum_value(const char value[])
        uint16_t result;
        int negative;
 
-       for (p = value; isspace(*p); p++) ;
+       for (p = value; isspace((int)(unsigned char)*p); p++) ;
 
        negative = (*p == '-');
        n = strtoul(value, (char **)&p, 0);