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-rw-r--r--ghc/runtime/io/writeFile.lc38
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diff --git a/ghc/runtime/io/writeFile.lc b/ghc/runtime/io/writeFile.lc
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+%
+% (c) The GRASP/AQUA Project, Glasgow University, 1994
+%
+\subsection[writeFile.lc]{hPutStr Runtime Support}
+
+\begin{code}
+
+#include "rtsdefs.h"
+#include "stgio.h"
+
+StgInt
+writeFile(buf, fp, bytes)
+StgAddr buf;
+StgAddr fp;
+StgInt bytes;
+{
+ int count;
+ char *p = (char *) buf;
+
+ if (bytes == 0)
+ return 0;
+
+ /* Disallow short writes */
+ while ((count = fwrite(p, 1, bytes, (FILE *) fp)) < bytes) {
+ if (errno != EINTR) {
+ cvtErrno();
+ stdErrno();
+ return -1;
+ }
+ bytes -= count;
+ p += count;
+ clearerr((FILE *) fp);
+ }
+
+ return 0;
+}
+
+\end{code}