X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=parse.c;h=fdb66115c310d2f60652e37fcd0d410eeaa23dd5;hp=a9ee1cee42aa486deb11b504868f5763a23eecca;hb=17031c6df30913608de1f66ca952ed75dd1324be;hpb=358ffaa6c37acb26e0f507934ba8a6f98f34ffee

diff --git a/parse.c b/parse.c
index a9ee1cee..fdb66115 100644
--- a/parse.c
+++ b/parse.c
@@ -172,7 +172,7 @@ static unsigned long long get_mult_time(const char *str, int len,
 
 	c = strdup(p);
 	for (i = 0; i < strlen(c); i++)
-		c[i] = tolower(c[i]);
+		c[i] = tolower((unsigned char)c[i]);
 
 	if (!strncmp("us", c, 2) || !strncmp("usec", c, 4))
 		mult = 1;
@@ -218,7 +218,7 @@ static unsigned long long __get_mult_bytes(const char *p, void *data,
 	c = strdup(p);
 
 	for (i = 0; i < strlen(c); i++) {
-		c[i] = tolower(c[i]);
+		c[i] = tolower((unsigned char)c[i]);
 		if (is_separator(c[i])) {
 			c[i] = '\0';
 			break;