From 76269d7bad9916dcf185e582d5f6283f45885cd1 Mon Sep 17 00:00:00 2001
From: Gregory Nutt <gnutt@nuttx.org>
Date: Mon, 13 Feb 2017 16:46:23 -0600
Subject: [PATCH] apps/examples/stat:  Fix a backward conditional test. 
 Improve output.

---
 examples/stat/stat_main.c | 17 ++++++++++-------
 1 file changed, 10 insertions(+), 7 deletions(-)

diff --git a/examples/stat/stat_main.c b/examples/stat/stat_main.c
index 8bc2c745e..831029684 100644
--- a/examples/stat/stat_main.c
+++ b/examples/stat/stat_main.c
@@ -61,7 +61,7 @@ static struct mallinfo g_mmafter;
 static void showusage(FAR struct mallinfo *mmbefore,
                       FAR struct mallinfo *mmafter, FAR const char *msg)
 {
-  if (mmbefore->uordblks > mmafter->uordblks)
+  if (mmbefore->uordblks != mmafter->uordblks)
     {
       printf("\n%s:\n", msg);
       printf("VARIABLE  BEFORE   AFTER\n");
@@ -172,7 +172,7 @@ static void dump_stat(FAR struct stat *buf)
       details[8]='w';
     }
 
-  printf("\nstat:\n");
+  printf("stat buffer:\n");
   printf("  st_mode:    %04x      %s\n",   buf->st_mode, details);
   printf("  st_size:    %llu\n",  (unsigned long long)buf->st_size);
   printf("  st_blksize: %lu\n",   (unsigned long)buf->st_blksize);
@@ -184,7 +184,7 @@ static void dump_stat(FAR struct stat *buf)
 
 static void dump_statfs(FAR struct statfs *buf)
 {
-  printf("\nstatfs:\n");
+  printf("statfs buffer:\n");
   printf("  f_type:     %lu\n",   (unsigned long)buf->f_type);
   printf("  f_namelen:  %lu\n",   (unsigned long)buf->f_namelen);
   printf("  f_bsize:    %lu\n",   (unsigned long)buf->f_bsize);
@@ -240,6 +240,7 @@ int stat_main(int argc, char *argv[])
 
   /* Try stat first */
 
+  printf("\nTest stat(%s)\n", path);
   ret = stat(path, &statbuf);
   if (ret < 0)
     {
@@ -256,6 +257,7 @@ int stat_main(int argc, char *argv[])
 
   /* Try statfs */
 
+  printf("\nTest statfs(%s)\n", path);
   ret = statfs(path, &statfsbuf);
   if (ret < 0)
     {
@@ -272,7 +274,10 @@ int stat_main(int argc, char *argv[])
 
   if (isreg)
     {
-      int fd = open(path, O_RDONLY);
+      int fd;
+
+      printf("\nOpen(%s) and test fstat()\n", path);
+      fd = open(path, O_RDONLY);
       if (fd < 0)
         {
           int errcode = errno;
@@ -282,8 +287,6 @@ int stat_main(int argc, char *argv[])
           return EXIT_FAILURE;
         }
 
-      stepusage();
-
       ret = fstat(fd, &statbuf);
       if (ret < 0)
         {
@@ -297,8 +300,8 @@ int stat_main(int argc, char *argv[])
           dump_stat(&statbuf);
         }
   
-      stepusage();
       close(fd);
+      stepusage();
     }
 
   endusage();