dd

commit 91afd6c8629f5a1607ce678069061cdcd07f0551
parent 1f2f60207407a4556b3fac0fabfc87ef945383c8
Author: ssnf <ssnf@ssnf.xyz>
Date:   Mon, 12 Jul 2021 09:21:34 +0000

removed unnecessary variable

Diffstat:
M
dd.c
 | 
24
++++++++++++------------

1 file changed, 12 insertions(+), 12 deletions(-)
diff --git a/dd.c b/dd.c
@@ -23,22 +23,22 @@ main(int argc, char* argv[])
 {
 	FILE* in, *out;
 	char* buf;
-	uint bs, count, i, n;
+	uint bs, count, n;
 
 	in = stdin;
 	out = stdout;
 	bs = 512;
 	count = 0;
-	for (i = 1; i < argc; ++i) {
-		if (!strncmp(argv[i], "if=", 3))
-			in = efopen(argv[i] + 3, "r");
-		else if (!strncmp(argv[i], "of=", 3))
-			out = efopen(argv[i] + 3, "w");
-		else if (!strncmp(argv[i], "count=", 6))
-			sscanf(argv[i] + 6, "%d", &count);
-		else if (!strncmp(argv[i], "bs=", 3)) {
-			sscanf(argv[i] + 3, "%d", &bs);
-			switch (*(argv[i] + strlen(argv[i]) - 1)) {
+	for (n = 1; n < argc; ++n) {
+		if (!strncmp(argv[n], "if=", 3))
+			in = efopen(argv[n] + 3, "r");
+		else if (!strncmp(argv[n], "of=", 3))
+			out = efopen(argv[n] + 3, "w");
+		else if (!strncmp(argv[n], "count=", 6))
+			sscanf(argv[n] + 6, "%d", &count);
+		else if (!strncmp(argv[n], "bs=", 3)) {
+			sscanf(argv[n] + 3, "%d", &bs);
+			switch (*(argv[n] + strlen(argv[n]) - 1)) {
 				case 'k':
 					bs <<= 10;
 					break;
@@ -57,7 +57,7 @@ main(int argc, char* argv[])
 		fwrite(buf, 1, n, out);
 	goto exit;
 count:
-	for (i = 0; i < count; ++i) {
+	for (;count--;) {
 		n = fread(buf, 1, bs, in);
 		fwrite(buf, 1, n, out);
 	}