This patch from Adam Heath <doogie@debian.org>, makes print_file

(used by cat, grep, sed, etc) quite a bit faster.

1 files changed, 2 insertions, 5 deletions

diff --git a/libbb/print_file.c b/libbb/print_file.c
index b47723454..bfedc5eff 100644
--- a/libbb/print_file.c
+++ b/libbb/print_file.c
@@ -26,12 +26,9 @@
 
 extern void print_file(FILE *file)
 {
-        int c;
-
-        while ((c = getc(file)) != EOF)
-                putc(c, stdout);
-        fclose(file);
         fflush(stdout);
+        copyfd(fileno(file), fileno(stdout));
+        fclose(file);
 }
 
 extern int print_file_by_name(char *filename)