Support the EBCDIC character set and BS2000/OSD-POSIX (work in progress).

[openssl.git] / crypto / asn1 / f_string.c

diff --git a/crypto/asn1/f_string.c b/crypto/asn1/f_string.c
index 9bcc5a93c9dc82161f42724aae17640db4a3ffff..e6e9b9d5e2911242b1b1ad8273e7ccbd94e8e8a7 100644 (file)
--- a/crypto/asn1/f_string.c
+++ b/crypto/asn1/f_string.c
@@ -123,9 +123,18 @@ int a2i_ASN1_STRING(BIO *bp, ASN1_STRING *bs, char *buf, int size)
 
                for (j=i-1; j>0; j--)
                        {
+#ifndef CHARSET_EBCDIC
                        if (!(  ((buf[j] >= '0') && (buf[j] <= '9')) ||
                                ((buf[j] >= 'a') && (buf[j] <= 'f')) ||
                                ((buf[j] >= 'A') && (buf[j] <= 'F'))))
+#else
+                       /* This #ifdef is not strictly necessary, since
+                        * the characters A...F a...f 0...9 are contiguous
+                        * (yes, even in EBCDIC - but not the whole alphabet).
+                        * Nevertheless, isxdigit() is faster.
+                        */
+                       if (!isxdigit(buf[j]))
+#endif
                                {
                                i=j;
                                break;