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Diffstat (limited to 'include/os.h')
-rw-r--r--include/os.h6
1 files changed, 3 insertions, 3 deletions
diff --git a/include/os.h b/include/os.h
index 877404a6c13..4371270a1ee 100644
--- a/include/os.h
+++ b/include/os.h
@@ -29,7 +29,7 @@ int os_printf(const char *format, ...);
* @fd: File descriptor as returned by os_open()
* @buf: Buffer to place data
* @count: Number of bytes to read
- * Return: number of bytes read, or -1 on error
+ * Return: number of bytes read, or -errno on error
*/
ssize_t os_read(int fd, void *buf, size_t count);
@@ -39,7 +39,7 @@ ssize_t os_read(int fd, void *buf, size_t count);
* @fd: File descriptor as returned by os_open()
* @buf: Buffer containing data to write
* @count: Number of bytes to write
- * Return: number of bytes written, or -1 on error
+ * Return: number of bytes written, or -errno on error
*/
ssize_t os_write(int fd, const void *buf, size_t count);
@@ -49,7 +49,7 @@ ssize_t os_write(int fd, const void *buf, size_t count);
* @fd: File descriptor as returned by os_open()
* @offset: File offset (based on whence)
* @whence: Position offset is relative to (see below)
- * Return: new file offset
+ * Return: new file offset, or -errno on error
*/
off_t os_lseek(int fd, off_t offset, int whence);