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-rw-r--r--processor_enable.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/processor_enable.c b/processor_enable.c
index 74caedc..b14cd33 100644
--- a/processor_enable.c
+++ b/processor_enable.c
@@ -53,22 +53,22 @@ static int is_loongson(void)
if (fgets(line, sizeof(line), cpuinfo) == NULL)
break;
ptr = line;
- while (*ptr && isspace(*ptr))
+ while (*ptr && isspace((unsigned char)*ptr))
ptr++;
/* "cpu" part appears only with some Linux versions. */
if (strncmp(ptr, "cpu", sizeof("cpu") - 1) == 0)
ptr += sizeof("cpu") - 1;
- while (*ptr && isspace(*ptr))
+ while (*ptr && isspace((unsigned char)*ptr))
ptr++;
if (strncmp(ptr, "model", sizeof("model") - 1) != 0)
continue;
ptr += sizeof("model") - 1;
- while (*ptr && isspace(*ptr))
+ while (*ptr && isspace((unsigned char)*ptr))
ptr++;
if (*ptr != ':')
continue;
ptr++;
- while (*ptr && isspace(*ptr))
+ while (*ptr && isspace((unsigned char)*ptr))
ptr++;
fclose(cpuinfo);
return (strncmp(ptr, "ICT Loongson-2 V0.3",
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