torrentd

commit 32d01c3f1e38a73df57baf111cdb69a50fca1d8e
parent b92c68bb28d2d9be57498ad0a74747c0b9162b13
Author: sin <sin@2f30.org>
Date:   Sat, 19 Dec 2015 11:05:30 +0000

Add writeall()

Diffstat:
M
sbtd.h
 | 
1
+
M
util.c
 | 
18
++++++++++++++++++

2 files changed, 19 insertions(+), 0 deletions(-)
diff --git a/sbtd.h b/sbtd.h
@@ -67,3 +67,4 @@ void sha1sum(uint8_t *, unsigned long, uint8_t *);
 int readfile(char *, char **, size_t *);
 char *urlencode(char *, size_t);
 char *urldecode(char *);
+void writeall(int, const void *, size_t);
diff --git a/util.c b/util.c
@@ -178,3 +178,21 @@ urldecode(char *s)
 	*bp = '\0';
 	return buf;
 }
+
+void
+writeall(int fd, const void *buf, size_t count)
+{
+	const char *p = buf;
+	ssize_t n;
+	size_t wrote = 0;
+
+	while (count > 0) {
+		n = write(fd, p + wrote, count);
+		if (n < 0)
+			err(1, "write");
+		else if (n == 0)
+			break;
+		wrote += n;
+		count -= n;
+	}
+}