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[gnulib.git]
/
lib
/
safe-read.h
diff --git
a/lib/safe-read.h
b/lib/safe-read.h
index
c4445ac
..
cbe6e0b
100644
(file)
--- a/
lib/safe-read.h
+++ b/
lib/safe-read.h
@@
-17,7
+17,9
@@
#include <stddef.h>
#include <stddef.h>
+#define SAFE_READ_ERROR ((size_t) -1)
+
/* Read up to COUNT bytes at BUF from descriptor FD, retrying if interrupted.
/* Read up to COUNT bytes at BUF from descriptor FD, retrying if interrupted.
- Return the actual number of bytes read, zero for EOF, or
(size_t) -1
-
for a
n error. */
+ Return the actual number of bytes read, zero for EOF, or
SAFE_READ_ERROR
+
upo
n error. */
extern size_t safe_read (int fd, void *buf, size_t count);
extern size_t safe_read (int fd, void *buf, size_t count);