devmem2.c: fix whitespace issues

Signed-off-by: Denis 'GNUtoo' Carikli <GNUtoo@cyberdimension.org>

1 files changed, 52 insertions, 48 deletions

diff --git a/devmem2.c b/devmem2.c
index 967dbc2..aed6e52 100644
--- a/devmem2.c
+++ b/devmem2.c
@@ -33,7 +33,7 @@
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
- * 
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
@@ -54,72 +54,76 @@
 
 #include "devmem2.h"
 
-#define FATAL do { fprintf(stderr, "Error at line %d, file %s (%d) [%s]\n", \
-  __LINE__, __FILE__, errno, strerror(errno)); exit(1); } while(0)
- 
+#define FATAL do { \
+		fprintf(stderr, "Error at line %d, file %s (%d) [%s]\n", \
+			__LINE__, __FILE__, errno, strerror(errno));	\
+		exit(1); \
+	} while(0)
+
 #define MAP_SIZE 4096UL
 #define MAP_MASK (MAP_SIZE - 1)
 
 int devmem2(int debug, off_t target, int access_type,
 	    unsigned long *read_result, unsigned long *writeval)
 {
-    int fd;
-    void *map_base, *virt_addr;
+	int fd;
+	void *map_base, *virt_addr;
+
+	if((fd = open("/dev/mem", O_RDWR | O_SYNC)) == -1) FATAL;
+	if (debug)
+		printf("/dev/mem opened.\n");
+	fflush(stdout);
+
+	/* Map one page */
+	map_base = mmap(0, MAP_SIZE, PROT_READ | PROT_WRITE, MAP_SHARED, fd,
+			target & ~MAP_MASK);
+	if(map_base == (void *) -1) FATAL;
+	if (debug)
+		printf("Memory mapped at address %p.\n", map_base);
+	fflush(stdout);
 
-    if((fd = open("/dev/mem", O_RDWR | O_SYNC)) == -1) FATAL;
-    if (debug)
-	    printf("/dev/mem opened.\n"); 
-    fflush(stdout);
-    
-    /* Map one page */
-    map_base = mmap(0, MAP_SIZE, PROT_READ | PROT_WRITE, MAP_SHARED, fd, target & ~MAP_MASK);
-    if(map_base == (void *) -1) FATAL;
-    if (debug)
-	    printf("Memory mapped at address %p.\n", map_base); 
-    fflush(stdout);
-    
-    virt_addr = map_base + (target & MAP_MASK);
-    switch(access_type) {
+	virt_addr = map_base + (target & MAP_MASK);
+	switch(access_type) {
+	case 'b':
+		*read_result = *((unsigned char *) virt_addr);
+		break;
+	case 'h':
+		*read_result = *((unsigned short *) virt_addr);
+		break;
+	case 'w':
+		*read_result = *((unsigned long *) virt_addr);
+		break;
+	default:
+		fprintf(stderr, "Illegal data type '%c'.\n", access_type);
+		exit(2);
+	}
+	if (debug)
+		printf("Value at address 0x%X (%p): 0x%X\n", target, virt_addr,
+		       *read_result);
+	fflush(stdout);
+
+	if(writeval != NULL) {
+		switch(access_type) {
 		case 'b':
+			*((unsigned char *) virt_addr) = *writeval;
 			*read_result = *((unsigned char *) virt_addr);
 			break;
 		case 'h':
+			*((unsigned short *) virt_addr) = *writeval;
 			*read_result = *((unsigned short *) virt_addr);
 			break;
 		case 'w':
+			*((unsigned long *) virt_addr) = *writeval;
 			*read_result = *((unsigned long *) virt_addr);
 			break;
-		default:
-			fprintf(stderr, "Illegal data type '%c'.\n", access_type);
-			exit(2);
-	}
-    if (debug)
-	    printf("Value at address 0x%X (%p): 0x%X\n", target, virt_addr,
-		   *read_result); 
-    fflush(stdout);
-
-	if(writeval != NULL) {
-		switch(access_type) {
-			case 'b':
-				*((unsigned char *) virt_addr) = *writeval;
-				*read_result = *((unsigned char *) virt_addr);
-				break;
-			case 'h':
-				*((unsigned short *) virt_addr) = *writeval;
-				*read_result = *((unsigned short *) virt_addr);
-				break;
-			case 'w':
-				*((unsigned long *) virt_addr) = *writeval;
-				*read_result = *((unsigned long *) virt_addr);
-				break;
 		}
 		if (debug)
-			printf("Written 0x%X; readback 0x%X\n", *writeval, *read_result); 
+			printf("Written 0x%X; readback 0x%X\n", *writeval,
+			       *read_result);
 		fflush(stdout);
 	}
-	
+
 	if(munmap(map_base, MAP_SIZE) == -1) FATAL;
-    close(fd);
-    return 0;
+	close(fd);
+	return 0;
 }
-