From: Heng Li <lh3@live.co.uk>
Date: Mon, 16 Jan 2012 02:49:51 +0000 (-0500)
Subject: use fread() instead of fgetc() in example
X-Git-Tag: spawn-final~72
X-Git-Url: http://www.kaiwu.me/postgresql/commit/?a=commitdiff_plain;h=4c51aae7d651466589be5fc23d19af0e9faa6745;p=klib.git

use fread() instead of fgetc() in example
---

diff --git a/kopen.c b/kopen.c
index e228aa9..04b24b0 100644
--- a/kopen.c
+++ b/kopen.c
@@ -308,10 +308,12 @@ int kclose(void *a)
 }
 
 #ifdef _KO_MAIN
+#define BUF_SIZE 0x10000
 int main(int argc, char *argv[])
 {
 	void *x;
-	int fd, c;
+	int l, fd;
+	unsigned char buf[BUF_SIZE];
 	FILE *fp;
 	if (argc == 1) {
 		fprintf(stderr, "Usage: kopen <file>\n");
@@ -323,11 +325,10 @@ int main(int argc, char *argv[])
 		fprintf(stderr, "ERROR: fail to open the input\n");
 		return 1;
 	}
-	while (1) {
-		c = fgetc(fp);
-		if (feof(fp)) break;
-		putchar(c);
-	}
+	do {
+		if ((l = fread(buf, 1, BUF_SIZE, fp)) != 0)
+			fwrite(buf, 1, l, stdout);
+	} while (l == BUF_SIZE);
 	fclose(fp);
 	kclose(x);
 	return 0;