Fixed signedness to avoid assert on calls to isspace in mbox.c

5 years ago · b849bbd02e
parent 9e20cdf6ea
commit b849bbd02e
1 changed files with 3 additions and 3 deletions
--- a/libclamav/mbox.c
+++ b/libclamav/mbox.c
@ -3240,7 +3240,7 @@ parseMimeHeader(message *m, const char *cmd, const table_t *rfc821Table, const c
                     *    the quotes, it doesn't handle
                     *    them properly
                     */
-                    while (isspace(*ptr))
+                    while (isspace((const unsigned char) *ptr))
                        ptr++;
                    if (ptr[0] == '\"')
                        ptr++;
@ -3296,7 +3296,7 @@ parseMimeHeader(message *m, const char *cmd, const table_t *rfc821Table, const c
                                    }
                                }

-                                while (*s && !isspace(*s))
+                                while (*s && !isspace((unsigned char) *s))
                                    s++;
                                if (*s++ == '\0')
                                    break;
@ -3404,7 +3404,7 @@ rfc822comments(const char *in, char *out)

    assert(out != in);

-    while (isspace(*in))
+    while (isspace((const unsigned char) *in))
        in++;

    if (out == NULL) {