From a3272093195434b876aafbc42b4ebf37688f5e7f Mon Sep 17 00:00:00 2001
From: aet <aet@c6295689-39f2-0310-b995-f0e70906c6a9>
Date: Sat, 5 Jan 2002 19:01:55 +0000
Subject: [PATCH] SCardGetStatusChange/rgReaderStates changes for compatibility
 with older and/or modified pcsc-lite releases.

git-svn-id: https://www.opensc-project.org/svnp/opensc/trunk@135 c6295689-39f2-0310-b995-f0e70906c6a9
---
 src/libopensc/card.c        |  3 ++-
 src/libopensc/internal.h    |  6 ++++++
 src/libopensc/sc-internal.h |  6 ++++++
 src/libopensc/sc.c          | 13 +++++++------
 4 files changed, 21 insertions(+), 7 deletions(-)

diff --git a/src/libopensc/card.c b/src/libopensc/card.c
index e7696b70..d19430fe 100644
--- a/src/libopensc/card.c
+++ b/src/libopensc/card.c
@@ -326,7 +326,8 @@ int sc_connect_card(struct sc_context *ctx,
 	
 	rgReaderStates[0].szReader = ctx->readers[reader];
 	rgReaderStates[0].dwCurrentState = SCARD_STATE_UNAWARE;
-	rv = SCardGetStatusChange(ctx->pcsc_ctx, 0, rgReaderStates, 1);
+	rgReaderStates[0].dwEventState = SCARD_STATE_UNAWARE;
+	rv = SCardGetStatusChange(ctx->pcsc_ctx, SC_STATUS_TIMEOUT, rgReaderStates, 1);
 	if (rv != 0) {
 		error(ctx, "SCardGetStatusChange failed: %s\n", pcsc_stringify_error(rv));
 		SC_FUNC_RETURN(ctx, 1, SC_ERROR_RESOURCE_MANAGER);	/* FIXME */
diff --git a/src/libopensc/internal.h b/src/libopensc/internal.h
index 8501233a..85928747 100644
--- a/src/libopensc/internal.h
+++ b/src/libopensc/internal.h
@@ -33,4 +33,10 @@
 /* Internal use only */
 int sc_sw_to_errorcode(struct sc_card *card, int sw1, int sw2);
 
+/* Default timeout value for SCardGetStatusChange */
+#ifndef SC_CUSTOM_STATUS_TIMEOUT
+#define SC_STATUS_TIMEOUT 0
+#else SC_STATUS_TIMEOUT SC_CUSTOM_STATUS_TIMEOUT
+#endif
+
 #endif
diff --git a/src/libopensc/sc-internal.h b/src/libopensc/sc-internal.h
index 8501233a..85928747 100644
--- a/src/libopensc/sc-internal.h
+++ b/src/libopensc/sc-internal.h
@@ -33,4 +33,10 @@
 /* Internal use only */
 int sc_sw_to_errorcode(struct sc_card *card, int sw1, int sw2);
 
+/* Default timeout value for SCardGetStatusChange */
+#ifndef SC_CUSTOM_STATUS_TIMEOUT
+#define SC_STATUS_TIMEOUT 0
+#else SC_STATUS_TIMEOUT SC_CUSTOM_STATUS_TIMEOUT
+#endif
+
 #endif
diff --git a/src/libopensc/sc.c b/src/libopensc/sc.c
index 71631d52..429ee18b 100644
--- a/src/libopensc/sc.c
+++ b/src/libopensc/sc.c
@@ -79,7 +79,8 @@ int sc_detect_card(struct sc_context *ctx, int reader)
 
 	rgReaderStates[0].szReader = ctx->readers[reader];
 	rgReaderStates[0].dwCurrentState = SCARD_STATE_UNAWARE;
-	ret = SCardGetStatusChange(ctx->pcsc_ctx, 0, rgReaderStates, 1);
+	rgReaderStates[0].dwEventState = SCARD_STATE_UNAWARE;
+	ret = SCardGetStatusChange(ctx->pcsc_ctx, SC_STATUS_TIMEOUT, rgReaderStates, 1);
 	if (ret != 0) {
 		error(ctx, "SCardGetStatusChange failed: %s\n", pcsc_stringify_error(ret));
 		SC_FUNC_RETURN(ctx, 1, -1);	/* FIXME */
@@ -110,17 +111,17 @@ int sc_wait_for_card(struct sc_context *ctx, int reader, int timeout)
 			SC_FUNC_RETURN(ctx, 1, SC_ERROR_NO_READERS_FOUND);
 		for (i = 0; i < ctx->reader_count; i++) {
 			rgReaderStates[i].szReader = ctx->readers[i];
-			rgReaderStates[i].dwCurrentState =
-			    SCARD_STATE_EMPTY;
+			rgReaderStates[i].dwCurrentState = SCARD_STATE_UNAWARE;
+			rgReaderStates[i].dwEventState = SCARD_STATE_UNAWARE;
 		}
 		count = ctx->reader_count;
 	} else {
 		rgReaderStates[0].szReader = ctx->readers[reader];
-		rgReaderStates[0].dwCurrentState = SCARD_STATE_EMPTY;
+		rgReaderStates[0].dwCurrentState = SCARD_STATE_UNAWARE;
+		rgReaderStates[0].dwEventState = SCARD_STATE_UNAWARE;
 		count = 1;
 	}
-	ret = SCardGetStatusChange(ctx->pcsc_ctx, timeout, rgReaderStates,
-				   count);
+	ret = SCardGetStatusChange(ctx->pcsc_ctx, timeout, rgReaderStates, count);
 	if (ret != 0) {
 		error(ctx, "SCardGetStatusChange failed: %s\n", pcsc_stringify_error(ret));
 		SC_FUNC_RETURN(ctx, 1, -1);