add test reading from non-0 offset to the sync api example

diff --git a/examples/nfsclient-sync.c b/examples/nfsclient-sync.c
index a5af3ce73d19c40db030337eb33a8c05ad94b998..322bfa28676eef526760c11b2b54e300a2a04863 100644 (file)
--- a/examples/nfsclient-sync.c
+++ b/examples/nfsclient-sync.c
@@ -25,6 +25,7 @@
 #define NFSFILEW "/BOOKS/Classics/foo"
 #define NFSDIR "/BOOKS/Classics/"
 
+#define _GNU_SOURCE
 #include <stdio.h>
 #include <stdlib.h>
 #include <stdint.h>
@@ -46,7 +47,7 @@ struct client {
 };
 
 
-char buf[5*1024*1024];
+char buf[3*1024*1024+337];
 
 int main(int argc _U_, char *argv[] _U_)
 {
@@ -129,6 +130,36 @@ int main(int argc _U_, char *argv[] _U_)
                printf("%02x ", buf[i]&0xff);
        }
        printf("\n");
+       ret = nfs_read(nfs, nfsfh, sizeof(buf), buf);
+       if (ret < 0) {
+               printf("Failed to pread(%s) %s\n", NFSFILE, nfs_get_error(nfs));
+               exit(10);
+       }
+       printf("read %d bytes\n", ret);
+       ret = nfs_read(nfs, nfsfh, sizeof(buf), buf);
+       if (ret < 0) {
+               printf("Failed to pread(%s) %s\n", NFSFILE, nfs_get_error(nfs));
+               exit(10);
+       }
+       printf("read %d bytes\n", ret);
+       ret = nfs_read(nfs, nfsfh, sizeof(buf), buf);
+       if (ret < 0) {
+               printf("Failed to pread(%s) %s\n", NFSFILE, nfs_get_error(nfs));
+               exit(10);
+       }
+       printf("read %d bytes\n", ret);
+       ret = nfs_read(nfs, nfsfh, sizeof(buf), buf);
+       if (ret < 0) {
+               printf("Failed to pread(%s) %s\n", NFSFILE, nfs_get_error(nfs));
+               exit(10);
+       }
+       printf("read %d bytes\n", ret);
+       ret = nfs_read(nfs, nfsfh, sizeof(buf), buf);
+       if (ret < 0) {
+               printf("Failed to pread(%s) %s\n", NFSFILE, nfs_get_error(nfs));
+               exit(10);
+       }
+       printf("read %d bytes\n", ret);
 
        ret = (int)nfs_lseek(nfs, nfsfh, 0, SEEK_CUR, &offset);
        if (ret < 0) {
@@ -167,7 +198,26 @@ int main(int argc _U_, char *argv[] _U_)
                exit(10);
        }
        while((nfsdirent = nfs_readdir(nfs, nfsdir)) != NULL) {
-               printf("Inode:%d Name:%s\n", (int)nfsdirent->inode, nfsdirent->name);
+               char *filename = NULL;
+               printf("Inode:%d Name:%s ", (int)nfsdirent->inode, nfsdirent->name);
+               asprintf(&filename, "%s/%s", NFSDIR, nfsdirent->name);
+               ret = nfs_open(nfs, filename, O_RDONLY, &nfsfh);
+               free(filename);
+               if (ret != 0) {
+                       printf("Failed to open(%s) %s\n", filename, nfs_get_error(nfs));
+                       exit(10);
+               }
+               ret = nfs_read(nfs, nfsfh, sizeof(buf), buf);
+               if (ret < 0) {
+                       printf("Error reading file\n");
+                       exit(10);
+               }
+               printf("Read %d bytes\n", ret);
+               ret = nfs_close(nfs, nfsfh);
+               if (ret < 0) {
+                       printf("Failed to close(%s): %s\n", NFSFILE, nfs_get_error(nfs));
+                       exit(10);
+               }
        }
        nfs_closedir(nfs, nfsdir);