File gcc48wa.diff of Package cdrtools.17306

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File gcc48wa.diff of Package cdrtools.17306

From: Jan Engelhardt <jengelh@inai.de>
Date: 2013-11-14 02:36:58.866260522 +0100
References: http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59125

build: workaround a gcc-4.8 bug

Add memset to clear the entire buffer beforehand. Then, use memcpy,
which is equally good given that the size of all strings is known.

---
 cdrecord/scsi_cdr.c |   21 ++++++++++-----------
 1 file changed, 10 insertions(+), 11 deletions(-)

Index: cdrtools-3.01/cdrecord/scsi_cdr.c
===================================================================
--- cdrtools-3.01.orig/cdrecord/scsi_cdr.c
+++ cdrtools-3.01/cdrecord/scsi_cdr.c
@@ -2282,14 +2282,13 @@ getdev(scgp, print)
 		printf("\n");
 	}
 
+	memset(vendor_info, '\0', sizeof(vendor_info));
+	memset(prod_ident, '\0', sizeof(prod_ident));
+	memset(prod_revision, '\0', sizeof(prod_revision));
 	strncpy(vendor_info, inq->inq_vendor_info, sizeof (inq->inq_vendor_info));
 	strncpy(prod_ident, inq->inq_prod_ident, sizeof (inq->inq_prod_ident));
 	strncpy(prod_revision, inq->inq_prod_revision, sizeof (inq->inq_prod_revision));
 
-	vendor_info[sizeof (inq->inq_vendor_info)] = '\0';
-	prod_ident[sizeof (inq->inq_prod_ident)] = '\0';
-	prod_revision[sizeof (inq->inq_prod_revision)] = '\0';
-
 	switch (inq->type) {
 
 	case INQ_DASD:
@@ -2316,29 +2315,29 @@ getdev(scgp, print)
 		if (inq->add_len == 0) {
 			if (scgp->dev == DEV_UNKNOWN && got_inquiry) {
 				scgp->dev = DEV_ACB5500;
-				strncpy(inq->inq_info_space,
+				memcpy(inq->inq_info_space,
 					"ADAPTEC ACB-5500        FAKE",
 					sizeof (inq->inq_info_space));
 
 			} else switch (scgp->dev) {
 
 			case DEV_ACB40X0:
-				strncpy(inq->inq_info_space,
+				memcpy(inq->inq_info_space,
 					"ADAPTEC ACB-40X0        FAKE",
 					sizeof (inq->inq_info_space));
 				break;
 			case DEV_ACB4000:
-				strncpy(inq->inq_info_space,
+				memcpy(inq->inq_info_space,
 					"ADAPTEC ACB-4000        FAKE",
 					sizeof (inq->inq_info_space));
 				break;
 			case DEV_ACB4010:
-				strncpy(inq->inq_info_space,
+				memcpy(inq->inq_info_space,
 					"ADAPTEC ACB-4010        FAKE",
 					sizeof (inq->inq_info_space));
 				break;
 			case DEV_ACB4070:
-				strncpy(inq->inq_info_space,
+				memcpy(inq->inq_info_space,
 					"ADAPTEC ACB-4070        FAKE",
 					sizeof (inq->inq_info_space));
 				break;
@@ -2370,14 +2369,14 @@ getdev(scgp, print)
 
 	case INQ_SEQD:
 		if (scgp->dev == DEV_SC4000) {
-			strncpy(inq->inq_info_space,
+			memcpy(inq->inq_info_space,
 				"SYSGEN  SC4000          FAKE",
 					sizeof (inq->inq_info_space));
 		} else if (inq->add_len == 0 &&
 					inq->removable &&
 						inq->ansi_version == 1) {
 			scgp->dev = DEV_MT02;
-			strncpy(inq->inq_info_space,
+			memcpy(inq->inq_info_space,
 				"EMULEX  MT02            FAKE",
 					sizeof (inq->inq_info_space));
 		}

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