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- don't complain about read/write/update binary with a length of 0 

git-svn-id: https://www.opensc-project.org/svnp/opensc/trunk@1015 c6295689-39f2-0310-b995-f0e70906c6a9
This commit is contained in:
okir 2003-04-16 10:19:20 +00:00
parent 0c173451fc
commit 44995d388d
1 changed files with 6 additions and 0 deletions
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6
src/libopensc/card.c
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@ -521,6 +521,8 @@ int sc_read_binary(struct sc_card *card, unsigned int idx,
assert(card != NULL && card->ops != NULL && buf != NULL);
if (card->ctx->debug >= 2)
debug(card->ctx, "sc_read_binary: %d bytes at index %d\n", count, idx);
if (count == 0)
return 0;
if (card->ops->read_binary == NULL)
SC_FUNC_RETURN(card->ctx, 2, SC_ERROR_NOT_SUPPORTED);
if (count > SC_APDU_CHOP_SIZE && !(card->caps & SC_CARD_CAP_APDU_EXT)) {
@ -560,6 +562,8 @@ int sc_write_binary(struct sc_card *card, unsigned int idx,
assert(card != NULL && card->ops != NULL && buf != NULL);
if (card->ctx->debug >= 2)
debug(card->ctx, "sc_write_binary: %d bytes at index %d\n", count, idx);
if (count == 0)
return 0;
if (card->ops->write_binary == NULL)
SC_FUNC_RETURN(card->ctx, 2, SC_ERROR_NOT_SUPPORTED);
if (count > SC_APDU_CHOP_SIZE && !(card->caps & SC_CARD_CAP_APDU_EXT)) {
@ -599,6 +603,8 @@ int sc_update_binary(struct sc_card *card, unsigned int idx,
assert(card != NULL && card->ops != NULL && buf != NULL);
if (card->ctx->debug >= 2)
debug(card->ctx, "sc_update_binary: %d bytes at index %d\n", count, idx);
if (count == 0)
return 0;
if (card->ops->update_binary == NULL)
SC_FUNC_RETURN(card->ctx, 2, SC_ERROR_NOT_SUPPORTED);
if (count > SC_APDU_CHOP_SIZE && !(card->caps & SC_CARD_CAP_APDU_EXT)) {