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-rw-r--r--libbb/full_write.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/libbb/full_write.c b/libbb/full_write.c
index a2c07fb..1106a53 100644
--- a/libbb/full_write.c
+++ b/libbb/full_write.c
@@ -28,10 +28,10 @@
* This does multiple writes as necessary.
* Returns the amount written, or -1 on an error.
*/
-int full_write(int fd, const char *buf, int len)
+ssize_t bb_full_write(int fd, const void *buf, size_t len)
{
- int cc;
- int total;
+ ssize_t cc;
+ ssize_t total;
total = 0;
@@ -39,10 +39,10 @@ int full_write(int fd, const char *buf, int len)
cc = write(fd, buf, len);
if (cc < 0)
- return -1;
+ return cc; /* write() returns -1 on failure. */
- buf += cc;
total += cc;
+ buf = ((const char *)buf) + cc;
len -= cc;
}