fixed missing delimiter for reader array

2014-05-29 20:44:03 +02:00
parent 31dbdd8dd7
commit 142df850b0
1 changed files with 7 additions and 1 deletions
--- a/virtualsmartcard/src/pcsclite-vpcd/winscard.c
+++ b/virtualsmartcard/src/pcsclite-vpcd/winscard.c
@@ -541,7 +541,7 @@ PCSC_API LONG SCardListReaders(SCARDCONTEXT hContext, LPCSTR mszGroups, LPSTR ms


    SET_R_TEST( autoallocate(mszReaders, pcchReaders,
-                (MAX_READERNAME+1)*PCSCLITE_MAX_READERS_CONTEXTS,
+                (MAX_READERNAME+1)*PCSCLITE_MAX_READERS_CONTEXTS+1,
                (void **) &readers));


@@ -560,6 +560,12 @@ PCSC_API LONG SCardListReaders(SCARDCONTEXT hContext, LPCSTR mszGroups, LPSTR ms
        readerslen++;
    }

+    /* write a null character as final delimiter */
+    if (readers) {
+        readers[readerslen] = '\0';
+    }
+    readerslen++;
+
    *pcchReaders = readerslen;

    if (!readerslen) {