Move read_in_full() and write_in_full() to wrapper.c

diff --git a/write_or_die.c b/write_or_die.c
index 630be4cb9414b1686a5ad86a4d5166f2828096f1..4c29255df1b637f93ab3d59e0dcab1fa3b40e10b 100644 (file)
--- a/write_or_die.c
+++ b/write_or_die.c
@@ -34,50 +34,17 @@ void maybe_flush_or_die(FILE *f, const char *desc)
                        return;
        }
        if (fflush(f)) {
-               if (errno == EPIPE)
+               /*
+                * On Windows, EPIPE is returned only by the first write()
+                * after the reading end has closed its handle; subsequent
+                * write()s return EINVAL.
+                */
+               if (errno == EPIPE || errno == EINVAL)
                        exit(0);
                die("write failure on %s: %s", desc, strerror(errno));
        }
 }
 
-ssize_t read_in_full(int fd, void *buf, size_t count)
-{
-       char *p = buf;
-       ssize_t total = 0;
-
-       while (count > 0) {
-               ssize_t loaded = xread(fd, p, count);
-               if (loaded <= 0)
-                       return total ? total : loaded;
-               count -= loaded;
-               p += loaded;
-               total += loaded;
-       }
-
-       return total;
-}
-
-ssize_t write_in_full(int fd, const void *buf, size_t count)
-{
-       const char *p = buf;
-       ssize_t total = 0;
-
-       while (count > 0) {
-               ssize_t written = xwrite(fd, p, count);
-               if (written < 0)
-                       return -1;
-               if (!written) {
-                       errno = ENOSPC;
-                       return -1;
-               }
-               count -= written;
-               p += written;
-               total += written;
-       }
-
-       return total;
-}
-
 void fsync_or_die(int fd, const char *msg)
 {
        if (fsync(fd) < 0) {