1 files changed, 6 insertions, 23 deletions

diff --git a/src/lib/libcrypto/asn1/asn_mime.c b/src/lib/libcrypto/asn1/asn_mime.c
index f123a7ddc0..d3bc90665f 100644
--- a/src/lib/libcrypto/asn1/asn_mime.c
+++ b/src/lib/libcrypto/asn1/asn_mime.c
@@ -826,29 +826,18 @@ mime_hdr_new(char *name, char *value)
 {
         MIME_HEADER *mhdr;
         char *tmpname = NULL, *tmpval = NULL, *p;
-        int c;
 
         if (name) {
                 if (!(tmpname = BUF_strdup(name)))
                         goto err;
-                for (p = tmpname; *p; p++) {
-                        c = (unsigned char)*p;
-                        if (isupper(c)) {
-                                c = tolower(c);
-                                *p = c;
-                        }
-                }
+                for (p = tmpname; *p; p++)
+                        *p = tolower((unsigned char)*p);
         }
         if (value) {
                 if (!(tmpval = BUF_strdup(value)))
                         goto err;
-                for (p = tmpval; *p; p++) {
-                        c = (unsigned char)*p;
-                        if (isupper(c)) {
-                                c = tolower(c);
-                                *p = c;
-                        }
-                }
+                for (p = tmpval; *p; p++)
+                        *p = tolower((unsigned char)*p);
         }
         mhdr = malloc(sizeof(MIME_HEADER));
         if (!mhdr)
@@ -870,20 +859,14 @@ static int
 mime_hdr_addparam(MIME_HEADER *mhdr, char *name, char *value)
 {
         char *tmpname = NULL, *tmpval = NULL, *p;
-        int c;
         MIME_PARAM *mparam;
 
         if (name) {
                 tmpname = BUF_strdup(name);
                 if (!tmpname)
                         goto err;
-                for (p = tmpname; *p; p++) {
-                        c = (unsigned char)*p;
-                        if (isupper(c)) {
-                                c = tolower(c);
-                                *p = c;
-                        }
-                }
+                for (p = tmpname; *p; p++)
+                        *p = tolower((unsigned char)*p);
         }
         if (value) {
                 tmpval = BUF_strdup(value);