Assume POSIX ctype.h; don't vet tolower()'s parameter.

diff --git a/uip/mhparse.c b/uip/mhparse.c
index c380969..4cff8b9 100644 (file)
--- a/uip/mhparse.c
+++ b/uip/mhparse.c
@@ -660,8 +660,7 @@ get_ctinfo (char *cp, CT ct, int magic)
 
     /* down case the content type string */
     for (dp = ci->ci_type; *dp; dp++)
-       if (isalpha((unsigned char) *dp) && isupper ((unsigned char) *dp))
-           *dp = tolower ((unsigned char) *dp);
+        *dp = tolower ((unsigned char) *dp);
 
     while (isspace ((unsigned char) *cp))
        cp++;
@@ -699,8 +698,7 @@ get_ctinfo (char *cp, CT ct, int magic)
 
     /* down case the content subtype string */
     for (dp = ci->ci_subtype; *dp; dp++)
-       if (isalpha((unsigned char) *dp) && isupper ((unsigned char) *dp))
-           *dp = tolower ((unsigned char) *dp);
+        *dp = tolower ((unsigned char) *dp);
 
 magic_skip:
     while (isspace ((unsigned char) *cp))
@@ -3299,8 +3297,7 @@ parse_header_attrs (const char *filename, const char *fieldname,
 
        /* down case the attribute name */
        for (dp = cp; istoken ((unsigned char) *dp); dp++)
-           if (isalpha((unsigned char) *dp) && isupper ((unsigned char) *dp))
-               *dp = tolower ((unsigned char) *dp);
+            *dp = tolower ((unsigned char) *dp);
 
        for (up = dp; isspace ((unsigned char) *dp);)
            dp++;