test 55 for statvfs. fix formatting bug in test54.

test/test55.c

@@ -0,0 +1,110 @@
+#include <sys/statvfs.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <assert.h>
+#include <fcntl.h>
+#include <err.h>
+#include <unistd.h>
+#define TRIALS 10
+#define SIZE   65536
+
+void create_file(void)
+{
+	char buf[SIZE]={0};
+	char *p;
+	int fd;
+	char *filename;
+	ssize_t ntowrite, nwritten;
+
+	if((filename = mktemp("/tmp/statvfs_test_XXXXXXX")) == NULL) {
+		err(1, "mktemp failed");
+	}
+
+	if((fd = open(filename, O_CREAT|O_WRONLY)) < 0) {
+		err(1, "open failed");
+	}
+
+	ntowrite = SIZE;
+	p = &buf[0];
+	while(ntowrite > 0) {
+		if((nwritten = write(fd, p, ntowrite)) < 0) {
+			err(1, "write failed");
+		}
+		p += nwritten;
+		ntowrite -= nwritten;
+	}
+}
+
+int main(int argc, char *argv[])
+{
+	struct statvfs stats;
+	unsigned long f_bsize,   f_bsize_new;   
+	unsigned long f_frsize,  f_frsize_new;  
+	fsblkcnt_t    f_blocks,  f_blocks_new;  
+	fsblkcnt_t    f_bfree,   f_bfree_new;   
+	fsblkcnt_t    f_bavail,  f_bavail_new;  
+	fsfilcnt_t    f_files,   f_files_new;   
+	fsfilcnt_t    f_ffree,   f_ffree_new;   
+	fsfilcnt_t    f_favail,  f_favail_new;  
+	unsigned long f_fsid,    f_fsid_new;    
+	unsigned long f_flag,    f_flag_new;    
+	unsigned long f_namemax, f_namemax_new; 
+	int i;
+
+	printf("Test 55 ");
+	
+	for(i = 0; i < TRIALS; i++) {
+		if(statvfs("/tmp", &stats) < 0) {
+			perror("statvfs failed");
+			return 1;
+		}
+
+		f_bsize   = stats.f_bsize  ;
+		f_frsize  = stats.f_frsize ;
+		f_blocks  = stats.f_blocks ;
+		f_bfree   = stats.f_bfree  ;
+		f_bavail  = stats.f_bavail ;
+		f_files   = stats.f_files  ;
+		f_ffree   = stats.f_ffree  ;
+		f_favail  = stats.f_favail ;
+		f_fsid    = stats.f_fsid   ;
+		f_flag    = stats.f_flag   ;
+		f_namemax = stats.f_namemax;
+		
+		create_file();
+
+		if(statvfs("/tmp", &stats) < 0) {
+			perror("statvfs failed");
+			return 1;
+		}
+
+		f_bsize_new   = stats.f_bsize  ;
+        f_frsize_new  = stats.f_frsize ;
+        f_blocks_new  = stats.f_blocks ;
+        f_bfree_new   = stats.f_bfree  ;
+        f_bavail_new  = stats.f_bavail ;
+        f_files_new   = stats.f_files  ;
+        f_ffree_new   = stats.f_ffree  ;
+        f_favail_new  = stats.f_favail ;
+        f_fsid_new    = stats.f_fsid   ;
+        f_flag_new    = stats.f_flag   ;
+        f_namemax_new = stats.f_namemax;
+
+		if ((f_bsize   == f_bsize_new) && 
+    		(f_frsize  == f_frsize_new) && 
+    		(f_blocks  == f_blocks_new) && 
+    		(f_bfree   > f_bfree_new) && 
+    		(f_bavail  > f_bavail_new) && 
+    		(f_files   == f_files_new) && 
+    		(f_ffree   == f_ffree_new + 1) && 
+    		(f_favail  == f_favail_new + 1) && 
+    		(f_fsid    == f_fsid_new) && 
+    		(f_flag    == f_flag_new) && 
+    		(f_namemax == f_namemax_new) ) {
+				printf("ok\n");
+				return 0;
+		}
+	}
+
+	return 1;
+}