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-rw-r--r--include/libfile.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/libfile.h b/include/libfile.h
index de4f42dbd1..dd0b00f988 100644
--- a/include/libfile.h
+++ b/include/libfile.h
@@ -1,7 +1,7 @@
#ifndef __LIBFILE_H
#define __LIBFILE_H
-int write_full(int fd, void *buf, size_t size);
+int write_full(int fd, const void *buf, size_t size);
int read_full(int fd, void *buf, size_t size);
char *read_file_line(const char *fmt, ...);