Changeset 2900 for trunk/src/kmk/kmkbuiltin/cat.c

Timestamp:

Sep 9, 2016, 4:42:06 PM (9 years ago)

Author:

bird

Message:

output optimizations

File:

• trunk/src/kmk/kmkbuiltin/cat.c (modified) (4 diffs)

trunk/src/kmk/kmkbuiltin/cat.c

@@ -81 +81 @@
 
 
+#ifdef KBUILD_OS_WINDOWS
+/* This is a trick to seriuosly speed up console output windows. */
+# undef write
+# define write maybe_con_write
+extern ssize_t maybe_con_write(int, void const *, size_t);
+#endif
+
+
 int bflag, eflag, nflag, sflag, tflag, vflag;
 /*int rval;*/
@@ -120 +128 @@
 #ifdef kmk_builtin_cat /* kmk did this already. */
         setlocale(LC_CTYPE, "");
+#else
+        fflush(stdout);
 #endif
 
@@ -288 +298 @@
 raw_cat(int rfd)
 {
-        int off, wfd;
+        int off, wfd = fileno(stdout);
         ssize_t nr, nw;
         static size_t bsize;
@@ -298 +308 @@
                 if (fstat(wfd, &sbuf))
                         return err(1, "%s", filename);
-#ifdef _MSC_VER
-                bsize = 1024;
+#ifdef KBUILD_OS_WINDOWS
+                bsize = 16384;
 #else
                 bsize = MAX(sbuf.st_blksize, 1024);