DragonFly BSD
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camcontrol WARNS6 cleanup: take 2


From: Larry Lansing <lansil@xxxxxxxxxxxxx>
Date: Sun, 09 Jan 2005 12:35:41 -0500

Sorry, newbie at work.  Resubmitting as unified diff, with only
the renamed locals version of camcontrol.c.  Thanks for the 
patience.

--
LarryLansing



Index: Makefile
===================================================================
RCS file: /home/dcvs/src/sbin/camcontrol/Makefile,v
retrieving revision 1.3
diff -u -r1.3 Makefile
--- Makefile	31 Jan 2004 06:56:40 -0000	1.3
+++ Makefile	10 Jan 2005 03:48:48 -0000
@@ -2,6 +2,7 @@
 # $DragonFly: src/sbin/camcontrol/Makefile,v 1.3 2004/01/31 06:56:40 dillon Exp $
 
 PROG=	camcontrol
+WARNS=	6
 SRCS=	camcontrol.c util.c
 .if !defined(RELEASE_CRUNCH)
 SRCS+=	modeedit.c
Index: camcontrol.c
===================================================================
RCS file: /home/dcvs/src/sbin/camcontrol/camcontrol.c,v
retrieving revision 1.2
diff -u -r1.2 camcontrol.c
--- camcontrol.c	17 Jun 2003 04:27:32 -0000	1.2
+++ camcontrol.c	9 Jan 2005 07:54:04 -0000
@@ -105,7 +105,7 @@
 } cam_argmask;
 
 struct camcontrol_opts {
-	char 		*optname;	
+	const char 	*optname;	
 	cam_cmdmask	cmdnum;
 	cam_argmask	argnum;
 	const char	*subopt;
@@ -162,7 +162,7 @@
 
 
 camcontrol_optret getoption(char *arg, cam_cmdmask *cmdnum, cam_argmask *argnum,
-			    char **subopt);
+			    const char **subopt);
 #ifndef MINIMALISTIC
 static int getdevlist(struct cam_device *device);
 static int getdevtree(void);
@@ -176,11 +176,11 @@
 static int scsiserial(struct cam_device *device, int retry_count, int timeout);
 static int scsixferrate(struct cam_device *device);
 #endif /* MINIMALISTIC */
-static int parse_btl(char *tstr, int *bus, int *target, int *lun,
-		     cam_argmask *arglist);
+static int parse_btl(char *tstr, int *mybus, int *mytarget, int *mylun,
+		     cam_argmask *myarglist);
 static int dorescan_or_reset(int argc, char **argv, int rescan);
-static int rescan_or_reset_bus(int bus, int rescan);
-static int scanlun_or_reset_dev(int bus, int target, int lun, int scan);
+static int rescan_or_reset_bus(int mybus, int rescan);
+static int scanlun_or_reset_dev(int mybus, int mytarget, int mylun, int scan);
 #ifndef MINIMALISTIC
 static int readdefects(struct cam_device *device, int argc, char **argv,
 		       char *combinedopt, int retry_count, int timeout);
@@ -203,7 +203,8 @@
 #endif /* MINIMALISTIC */
 
 camcontrol_optret
-getoption(char *arg, cam_cmdmask *cmdnum, cam_argmask *argnum, char **subopt)
+getoption(char *arg, cam_cmdmask *cmdnum, cam_argmask *argnum,
+	  const char **subopt)
 {
 	struct camcontrol_opts *opts;
 	int num_matches = 0;
@@ -213,7 +214,7 @@
 		if (strncmp(opts->optname, arg, strlen(arg)) == 0) {
 			*cmdnum = opts->cmdnum;
 			*argnum = opts->argnum;
-			*subopt = (char *)opts->subopt;
+			*subopt = (const char *)opts->subopt;
 			if (++num_matches > 1)
 				return(CC_OR_AMBIGUOUS);
 		}
@@ -986,7 +987,8 @@
  * Returns the number of parsed components, or 0.
  */
 static int
-parse_btl(char *tstr, int *bus, int *target, int *lun, cam_argmask *arglist)
+parse_btl(char *tstr, int *mybus, int *mytarget, int *mylun,
+	  cam_argmask *myarglist)
 {
 	char *tmpstr;
 	int convs = 0;
@@ -996,18 +998,18 @@
 
 	tmpstr = (char *)strtok(tstr, ":");
 	if ((tmpstr != NULL) && (*tmpstr != '\0')) {
-		*bus = strtol(tmpstr, NULL, 0);
-		*arglist |= CAM_ARG_BUS;
+		*mybus = strtol(tmpstr, NULL, 0);
+		*myarglist |= CAM_ARG_BUS;
 		convs++;
 		tmpstr = (char *)strtok(NULL, ":");
 		if ((tmpstr != NULL) && (*tmpstr != '\0')) {
-			*target = strtol(tmpstr, NULL, 0);
-			*arglist |= CAM_ARG_TARGET;
+			*mytarget = strtol(tmpstr, NULL, 0);
+			*myarglist |= CAM_ARG_TARGET;
 			convs++;
 			tmpstr = (char *)strtok(NULL, ":");
 			if ((tmpstr != NULL) && (*tmpstr != '\0')) {
-				*lun = strtol(tmpstr, NULL, 0);
-				*arglist |= CAM_ARG_LUN;
+				*mylun = strtol(tmpstr, NULL, 0);
+				*myarglist |= CAM_ARG_LUN;
 				convs++;
 			}
 		}
@@ -1022,7 +1024,7 @@
 	static const char must[] =
 		"you must specify \"all\", a bus, or a bus:target:lun to %s";
 	int rv, error = 0;
-	int bus = -1, target = -1, lun = -1;
+	int mybus = -1, mytarget = -1, mylun = -1;
 	char *tstr;
 
 	if (argc < 3) {
@@ -1036,7 +1038,8 @@
 	if (strncasecmp(tstr, "all", strlen("all")) == 0)
 		arglist |= CAM_ARG_BUS;
 	else {
-		rv = parse_btl(argv[optind], &bus, &target, &lun, &arglist);
+		rv = parse_btl(argv[optind], &mybus, &mytarget, &mylun,
+			       &arglist);
 		if (rv != 1 && rv != 3) {
 			warnx(must, rescan? "rescan" : "reset");
 			return(1);
@@ -1046,15 +1049,15 @@
 	if ((arglist & CAM_ARG_BUS)
 	    && (arglist & CAM_ARG_TARGET)
 	    && (arglist & CAM_ARG_LUN))
-		error = scanlun_or_reset_dev(bus, target, lun, rescan);
+		error = scanlun_or_reset_dev(mybus, mytarget, mylun, rescan);
 	else
-		error = rescan_or_reset_bus(bus, rescan);
+		error = rescan_or_reset_bus(mybus, rescan);
 
 	return(error);
 }
 
 static int
-rescan_or_reset_bus(int bus, int rescan)
+rescan_or_reset_bus(int mybus, int rescan)
 {
 	union ccb ccb, matchccb;
 	int fd, retval;
@@ -1068,9 +1071,9 @@
 		return(1);
 	}
 
-	if (bus != -1) {
+	if (mybus != -1) {
 		ccb.ccb_h.func_code = rescan ? XPT_SCAN_BUS : XPT_RESET_BUS;
-		ccb.ccb_h.path_id = bus;
+		ccb.ccb_h.path_id = mybus;
 		ccb.ccb_h.target_id = CAM_TARGET_WILDCARD;
 		ccb.ccb_h.target_lun = CAM_LUN_WILDCARD;
 		ccb.crcn.flags = CAM_FLAG_NONE;
@@ -1086,10 +1089,10 @@
 
 		if ((ccb.ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
 			fprintf(stdout, "%s of bus %d was successful\n",
-			    rescan ? "Re-scan" : "Reset", bus);
+			    rescan ? "Re-scan" : "Reset", mybus);
 		} else {
 			fprintf(stdout, "%s of bus %d returned error %#x\n",
-				rescan ? "Re-scan" : "Reset", bus,
+				rescan ? "Re-scan" : "Reset", mybus,
 				ccb.ccb_h.status & CAM_STATUS_MASK);
 			retval = 1;
 		}
@@ -1220,7 +1223,7 @@
 }
 
 static int
-scanlun_or_reset_dev(int bus, int target, int lun, int scan)
+scanlun_or_reset_dev(int mybus, int mytarget, int mylun, int scan)
 {
 	union ccb ccb;
 	struct cam_device *device;
@@ -1228,18 +1231,18 @@
 
 	device = NULL;
 
-	if (bus < 0) {
-		warnx("invalid bus number %d", bus);
+	if (mybus < 0) {
+		warnx("invalid bus number %d", mybus);
 		return(1);
 	}
 
-	if (target < 0) {
-		warnx("invalid target number %d", target);
+	if (mytarget < 0) {
+		warnx("invalid target number %d", mytarget);
 		return(1);
 	}
 
-	if (lun < 0) {
-		warnx("invalid lun number %d", lun);
+	if (mylun < 0) {
+		warnx("invalid lun number %d", mylun);
 		return(1);
 	}
 
@@ -1255,7 +1258,7 @@
 			return(1);
 		}
 	} else {
-		device = cam_open_btl(bus, target, lun, O_RDWR, NULL);
+		device = cam_open_btl(mybus, mytarget, mylun, O_RDWR, NULL);
 		if (device == NULL) {
 			warnx("%s", cam_errbuf);
 			return(1);
@@ -1263,9 +1266,9 @@
 	}
 
 	ccb.ccb_h.func_code = (scan)? XPT_SCAN_LUN : XPT_RESET_DEV;
-	ccb.ccb_h.path_id = bus;
-	ccb.ccb_h.target_id = target;
-	ccb.ccb_h.target_lun = lun;
+	ccb.ccb_h.path_id = mybus;
+	ccb.ccb_h.target_id = mytarget;
+	ccb.ccb_h.target_lun = mylun;
 	ccb.ccb_h.timeout = 5000;
 	ccb.crcn.flags = CAM_FLAG_NONE;
 
@@ -1298,11 +1301,11 @@
 	 || ((!scan)
 	  && ((ccb.ccb_h.status & CAM_STATUS_MASK) == CAM_BDR_SENT))) {
 		fprintf(stdout, "%s of %d:%d:%d was successful\n",
-		    scan? "Re-scan" : "Reset", bus, target, lun);
+		    scan? "Re-scan" : "Reset", mybus, mytarget, mylun);
 		return(0);
 	} else {
 		fprintf(stdout, "%s of %d:%d:%d returned error %#x\n",
-		    scan? "Re-scan" : "Reset", bus, target, lun,
+		    scan? "Re-scan" : "Reset", mybus, mytarget, mylun,
 		    ccb.ccb_h.status & CAM_STATUS_MASK);
 		return(1);
 	}
@@ -2042,7 +2045,7 @@
 camdebug(int argc, char **argv, char *combinedopt)
 {
 	int c, fd;
-	int bus = -1, target = -1, lun = -1;
+	int mybus = -1, mytarget = -1, mylun = -1;
 	char *tstr, *tmpstr = NULL;
 	union ccb ccb;
 	int error = 0;
@@ -2103,20 +2106,20 @@
 	if (strncmp(tstr, "off", 3) == 0) {
 		ccb.cdbg.flags = CAM_DEBUG_NONE;
 		arglist &= ~(CAM_ARG_DEBUG_INFO|CAM_ARG_DEBUG_PERIPH|
-			     CAM_ARG_DEBUG_TRACE|CAM_ARG_DEBUG_SUBTRACE|
-			     CAM_ARG_DEBUG_XPT);
+			       CAM_ARG_DEBUG_TRACE|CAM_ARG_DEBUG_SUBTRACE|
+			       CAM_ARG_DEBUG_XPT);
 	} else if (strncmp(tstr, "all", 3) != 0) {
 		tmpstr = (char *)strtok(tstr, ":");
 		if ((tmpstr != NULL) && (*tmpstr != '\0')){
-			bus = strtol(tmpstr, NULL, 0);
+			mybus = strtol(tmpstr, NULL, 0);
 			arglist |= CAM_ARG_BUS;
 			tmpstr = (char *)strtok(NULL, ":");
 			if ((tmpstr != NULL) && (*tmpstr != '\0')){
-				target = strtol(tmpstr, NULL, 0);
+				mytarget = strtol(tmpstr, NULL, 0);
 				arglist |= CAM_ARG_TARGET;
 				tmpstr = (char *)strtok(NULL, ":");
 				if ((tmpstr != NULL) && (*tmpstr != '\0')){
-					lun = strtol(tmpstr, NULL, 0);
+					mylun = strtol(tmpstr, NULL, 0);
 					arglist |= CAM_ARG_LUN;
 				}
 			}
@@ -2130,9 +2133,9 @@
 	if (error == 0) {
 
 		ccb.ccb_h.func_code = XPT_DEBUG;
-		ccb.ccb_h.path_id = bus;
-		ccb.ccb_h.target_id = target;
-		ccb.ccb_h.target_lun = lun;
+		ccb.ccb_h.path_id = mybus;
+		ccb.ccb_h.target_id = mytarget;
+		ccb.ccb_h.target_lun = mylun;
 
 		if (ioctl(fd, CAMIOCOMMAND, &ccb) == -1) {
 			warn("CAMIOCOMMAND ioctl failed");
@@ -2159,7 +2162,7 @@
 					fprintf(stderr,
 						"Debugging enabled for "
 						"%d:%d:%d\n",
-						bus, target, lun);
+						mybus, mytarget, mylun);
 				}
 			}
 		}
@@ -2388,7 +2391,7 @@
 		cpi->version_num);
 
 	for (i = 1; i < 0xff; i = i << 1) {
-		char *str;
+		const char *str;
 
 		if ((i & cpi->hba_inquiry) == 0)
 			continue;
@@ -2425,7 +2428,7 @@
 	}
 
 	for (i = 1; i < 0xff; i = i << 1) {
-		char *str;
+		const char *str;
 
 		if ((i & cpi->hba_misc) == 0)
 			continue;
@@ -2454,7 +2457,7 @@
 	}
 
 	for (i = 1; i < 0xff; i = i << 1) {
-		char *str;
+		const char *str;
 
 		if ((i & cpi->target_sprt) == 0)
 			continue;
@@ -3286,8 +3289,8 @@
 	int timeout = 0, retry_count = 1;
 	camcontrol_optret optreturn;
 	char *tstr;
-	char *mainopt = "C:En:t:u:v";
-	char *subopt = NULL;
+	const char *mainopt = "C:En:t:u:v";
+	const char *subopt = NULL;
 	char combinedopt[256];
 	int error = 0, optstart = 2;
 	int devopen = 1;
Index: modeedit.c
===================================================================
RCS file: /home/dcvs/src/sbin/camcontrol/modeedit.c,v
retrieving revision 1.2
diff -u -r1.2 modeedit.c
--- modeedit.c	17 Jun 2003 04:27:32 -0000	1.2
+++ modeedit.c	9 Jan 2005 06:23:57 -0000
@@ -116,7 +116,7 @@
 				       int timeout);
 static void		 nameentry_create(int pagenum, char *name);
 static struct pagename	*nameentry_lookup(int pagenum);
-static int		 load_format(char *pagedb_path, int page);
+static int		 load_format(const char *pagedb_path, int page);
 static int		 modepage_write(FILE *file, int editonly);
 static int		 modepage_read(FILE *file);
 static void		 modepage_edit(void);
@@ -124,11 +124,6 @@
 				       int page_control, int dbd, int retries,
 				       int timeout);
 static void		 cleanup_editfile(void);
-void			 mode_edit(struct cam_device *device, int page,
-				   int page_control, int dbd, int edit,
-				   int binary, int retry_count, int timeout);
-void			 mode_list(struct cam_device *device, int page_control,
-				   int dbd, int retry_count, int timeout);
 
 
 #define	returnerr(code) do {						\
@@ -145,7 +140,8 @@
 
 
 static void
-editentry_create(void *hook, int letter, void *arg, int count, char *name)
+editentry_create(void *hook __unused, int letter, void *arg, int count,
+		 char *name)
 {
 	struct editentry *newentry;	/* Buffer to hold new entry. */
 
@@ -166,7 +162,8 @@
 }
 
 static void
-editentry_update(void *hook, int letter, void *arg, int count, char *name)
+editentry_update(void *hook __unused, int letter, void *arg, int count,
+		 char *name)
 {
 	struct editentry *dest;		/* Buffer to hold entry to update. */
 
@@ -193,7 +190,7 @@
 }
 
 static int
-editentry_save(void *hook, char *name)
+editentry_save(void *hook __unused, char *name)
 {
 	struct editentry *src;		/* Entry value to save. */
 
@@ -290,13 +287,13 @@
 		strncpy(cval, newvalue, dest->size);
 		if (dest->type == 'z') {
 			/* Convert trailing spaces to nulls. */
-			char *convertend;
+			char *conv_end;
 
-			for (convertend = cval + dest->size;
-			    convertend >= cval; convertend--) {
-				if (*convertend == ' ')
-					*convertend = '\0';
-				else if (*convertend != '\0')
+			for (conv_end = cval + dest->size;
+			    conv_end >= cval; conv_end--) {
+				if (*conv_end == ' ')
+					*conv_end = '\0';
+				else if (*conv_end != '\0')
 					break;
 			}
 		}
@@ -355,7 +352,7 @@
 }
 
 static int
-load_format(char *pagedb_path, int page)
+load_format(const char *pagedb_path, int page)
 {
 	FILE *pagedb;
 	char str_pagenum[MAX_PAGENUM_LEN];
@@ -717,7 +714,7 @@
 static void
 modepage_edit(void)
 {
-	char *editor;
+	const char *editor;
 	char *commandline;
 	int fd;
 	int written;
@@ -784,7 +781,7 @@
 	u_int8_t *mode_pars;		/* Pointer to modepage params. */
 	struct scsi_mode_header_6 *mh;	/* Location of mode header. */
 	struct scsi_mode_page_header *mph;
-	int index;			/* Index for scanning mode params. */
+	int mode_idx;			/* Index for scanning mode params. */
 
 	mode_sense(device, page, page_control, dbd, retries, timeout, data,
 		   sizeof(data));
@@ -794,9 +791,9 @@
 	mode_pars = MODE_PAGE_DATA(mph);
 
 	/* Print the raw mode page data with newlines each 8 bytes. */
-	for (index = 0; index < mph->page_length; index++) {
-		printf("%02x%c",mode_pars[index],
-		    (((index + 1) % 8) == 0) ? '\n' : ' ');
+	for (mode_idx = 0; mode_idx < mph->page_length; mode_idx++) {
+		printf("%02x%c",mode_pars[mode_idx],
+		    (((mode_idx + 1) % 8) == 0) ? '\n' : ' ');
 	}
 	putchar('\n');
 }
@@ -815,7 +812,7 @@
 mode_edit(struct cam_device *device, int page, int page_control, int dbd,
 	  int edit, int binary, int retry_count, int timeout)
 {
-	char *pagedb_path;		/* Path to modepage database. */
+	const char *pagedb_path;	/* Path to modepage database. */
 
 	if (edit && binary)
 		errx(EX_USAGE, "cannot edit in binary mode.");
@@ -873,7 +870,7 @@
 	struct scsi_mode_header_6 *mh;	/* Location of mode header. */
 	struct scsi_mode_page_header *mph;
 	struct pagename *nameentry;
-	char *pagedb_path;
+	const char *pagedb_path;
 	int len;
 
 	if ((pagedb_path = getenv("SCSI_MODES")) == NULL)
Index: util.c
===================================================================
RCS file: /home/dcvs/src/sbin/camcontrol/util.c,v
retrieving revision 1.2
diff -u -r1.2 util.c
--- util.c	17 Jun 2003 04:27:32 -0000	1.2
+++ util.c	9 Jan 2005 06:08:49 -0000
@@ -106,7 +106,7 @@
 /* arg_put: "put argument" callback
  */
 void
-arg_put(void *hook, int letter, void *arg, int count, char *name)
+arg_put(void *hook __unused, int letter, void *arg, int count, char *name)
 {
 	if (verbose && name && *name)
 		printf("%s:  ", name);



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