SVF: fix parsing hex strings containing leading '0' characters

Ignore leading '0' characters on hex strings.  For example a bit
pattern consisting of 6 bits could be written as 3f, 03f or 003f and
so on.

Signed-off-by: Michael Roth <mroth@nessie.de>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>

diff --git a/src/svf/svf.c b/src/svf/svf.c
index dec4b19faadd6381d7b11106e7544b1181e8bbd5..276a374ebfef129b2417001c429456e5aa336d6e 100644 (file)
--- a/src/svf/svf.c
+++ b/src/svf/svf.c
@@ -680,6 +680,10 @@ static int svf_copy_hexstring_to_binary(char *str, uint8_t **bin, int orig_bit_l
                }
        }
 
+       // consume optional leading '0' characters
+       while (str_len > 0 && str[str_len - 1] == '0')
+               str_len--;
+
        // check valid
        if (str_len > 0 || (ch & ~((1 << (4 - (bit_len % 4))) - 1)) != 0)
        {