[src/trunk]: src/usr.bin/make Use read and fwrite rather than fgets and print...

[sjg <sjg%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/41362c5ce85f
branches:  trunk
changeset: 333158:41362c5ce85f
user:      sjg <sjg%NetBSD.org@localhost>
date:      Mon Oct 20 23:22:57 2014 +0000

description:
Use read and fwrite rather than fgets and printf when reading filemon data.

diffstat:

 usr.bin/make/meta.c |  13 +++++--------
 1 files changed, 5 insertions(+), 8 deletions(-)

diffs (40 lines):

diff -r cbe232c28012 -r 41362c5ce85f usr.bin/make/meta.c
--- a/usr.bin/make/meta.c       Mon Oct 20 23:21:11 2014 +0000
+++ b/usr.bin/make/meta.c       Mon Oct 20 23:22:57 2014 +0000
@@ -1,4 +1,4 @@
-/*      $NetBSD: meta.c,v 1.34 2014/10/18 08:33:30 snj Exp $ */
+/*      $NetBSD: meta.c,v 1.35 2014/10/20 23:22:57 sjg Exp $ */
 
 /*
  * Implement 'meta' mode.
@@ -155,8 +155,8 @@
 static void
 filemon_read(FILE *mfp, int fd)
 {
-    FILE *fp;
     char buf[BUFSIZ];
+    int n;
 
     /* Check if we're not writing to a meta data file.*/
     if (mfp == NULL) {
@@ -166,17 +166,14 @@
     }
     /* rewind */
     (void)lseek(fd, (off_t)0, SEEK_SET);
-    if ((fp = fdopen(fd, "r")) == NULL)
-       err(1, "Could not read build monitor file '%d'", fd);
 
     fprintf(mfp, "-- filemon acquired metadata --\n");
 
-    while (fgets(buf, sizeof(buf), fp)) {
-       fprintf(mfp, "%s", buf);
+    while ((n = read(fd, buf, sizeof(buf))) > 0) {
+       fwrite(buf, 1, n, mfp);
     }
     fflush(mfp);
-    clearerr(fp);
-    fclose(fp);
+    close(fd);
 }
 #endif