From 0b6a16c1a47b622b1a692ab179013d9e30e9cf3b Mon Sep 17 00:00:00 2001 From: Alon Levy Date: Tue, 5 Mar 2013 16:27:43 +0200 Subject: libcacard: move atr setting from macro to function MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Only because qemu's checkpatch complains about it. Signed-off-by: Alon Levy Reviewed-by: Marc-André Lureau --- libcacard/vcardt.c | 40 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 libcacard/vcardt.c (limited to 'libcacard/vcardt.c') diff --git a/libcacard/vcardt.c b/libcacard/vcardt.c new file mode 100644 index 0000000..9ce4648 --- /dev/null +++ b/libcacard/vcardt.c @@ -0,0 +1,40 @@ +#include +#include +#include + +#include "libcacard/vcardt.h" + +#include "libcacard/vcardt_internal.h" + +/* create an ATR with appropriate historical bytes */ +#define ATR_TS_DIRECT_CONVENTION 0x3b +#define ATR_TA_PRESENT 0x10 +#define ATR_TB_PRESENT 0x20 +#define ATR_TC_PRESENT 0x40 +#define ATR_TD_PRESENT 0x80 + +unsigned char *vcard_alloc_atr(const char *postfix, int *atr_len) +{ + int postfix_len; + const char prefix[] = "VCARD_"; + const char default_postfix[] = "DEFAULT"; + const int prefix_len = sizeof(prefix) - 1; + int total_len; + unsigned char *atr; + + if (postfix == NULL) { + postfix = default_postfix; + } + postfix_len = strlen(postfix); + total_len = 3 + prefix_len + postfix_len; + atr = g_malloc(total_len); + atr[0] = ATR_TS_DIRECT_CONVENTION; + atr[1] = ATR_TD_PRESENT + prefix_len + postfix_len; + atr[2] = 0x00; + memcpy(&atr[3], prefix, prefix_len); + memcpy(&atr[3 + prefix_len], postfix, postfix_len); + if (atr_len) { + *atr_len = total_len; + } + return atr; +} -- cgit v1.1