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-rw-r--r--crypto/asn1/f_int.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/crypto/asn1/f_int.c b/crypto/asn1/f_int.c
index 4d6c9b2..d81c50d 100644
--- a/crypto/asn1/f_int.c
+++ b/crypto/asn1/f_int.c
@@ -117,9 +117,18 @@ int a2i_ASN1_INTEGER(BIO *bp, ASN1_INTEGER *bs, char *buf, int size)
for (j=0; j<i; 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;