diff options
author | Alon Levy <alevy@redhat.com> | 2013-03-05 16:27:43 +0200 |
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committer | Alon Levy <alevy@redhat.com> | 2013-04-24 11:48:03 +0300 |
commit | 0b6a16c1a47b622b1a692ab179013d9e30e9cf3b (patch) | |
tree | 06dba3ec6c9f1d17c593a3da45c18cce1f45a299 /libcacard/vcardt.c | |
parent | 7a6858962457c54be44715d6562504c765d9ea76 (diff) |
libcacard: move atr setting from macro to function
Only because qemu's checkpatch complains about it.
Signed-off-by: Alon Levy <alevy@redhat.com>
Reviewed-by: Marc-André Lureau <mlureau@redhat.com>
Diffstat (limited to 'libcacard/vcardt.c')
-rw-r--r-- | libcacard/vcardt.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/libcacard/vcardt.c b/libcacard/vcardt.c new file mode 100644 index 0000000000..9ce4648f8c --- /dev/null +++ b/libcacard/vcardt.c @@ -0,0 +1,40 @@ +#include <stdlib.h> +#include <string.h> +#include <glib.h> + +#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; +} |