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Added mmap()/XIP test to ROMFS test

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git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@917 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo
2008-09-12 19:17:15 +00:00
parent 1427e4083c
commit 031dfef23c
8 changed files with 551 additions and 128 deletions
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examples/romfs/romfs_main.c
+91 -12
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@@ -59,10 +59,13 @@
#include <sys/types.h>
#include <sys/mount.h>
#include <sys/stat.h>
#include <sys/mman.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <fcntl.h>
#include <dirent.h>
#include <errno.h>
@@ -105,6 +108,8 @@
#define MKMOUNT_DEVNAME(m) "/dev/ram" STR_RAMDEVNO(m)
#define MOUNT_DEVNAME MKMOUNT_DEVNAME(CONFIG_EXAMPLES_ROMFS_RAMDEVNO)
#define SCRATCHBUFFER_SIZE 1024
/* Test directory stuff */
#define WRITABLE_MODE (S_IWOTH|S_IWGRP|S_IWUSR)
@@ -137,10 +142,10 @@ struct node_s
* Private Data
****************************************************************************/
static const char g_afilecontent[] = "This is a file";
static const char g_anotherfilecontent[] = "This is another file";
static const char g_yafilecontent[] = "This is yet another file";
static const char g_subdirfilecontent[] = "File in subdirectory";
static const char g_afilecontent[] = "This is a file\n";
static const char g_anotherfilecontent[] = "This is another file\n";
static const char g_yafilecontent[] = "This is yet another file\n";
static const char g_subdirfilecontent[] = "File in subdirectory\n";
#define g_hfilecontent g_subdirfilecontent
@@ -156,7 +161,7 @@ static struct node_s g_subdirfile;
static int g_nerrors = 0;
static char g_pathbuffer[1024];
static char g_scratchbuffer[SCRATCHBUFFER_SIZE];
/****************************************************************************
* Private Functions
@@ -181,7 +186,7 @@ static void connectem(void)
g_afile.found = FALSE;
g_afile.name = "afile.txt";
g_afile.mode = FILE_MODE;
g_afile.size = strlen(g_afilecontent)+1;
g_afile.size = strlen(g_afilecontent);
g_afile.u.filecontent = g_afilecontent;
g_hfile.peer = NULL;
@@ -189,7 +194,7 @@ static void connectem(void)
g_hfile.found = FALSE;
g_hfile.name = "hfile";
g_hfile.mode = FILE_MODE;
g_hfile.size = strlen(g_hfilecontent)+1;
g_hfile.size = strlen(g_hfilecontent);
g_hfile.u.filecontent = g_hfilecontent;
g_anotherfile.peer = &g_yafile;
@@ -197,7 +202,7 @@ static void connectem(void)
g_anotherfile.found = FALSE;
g_anotherfile.name = "anotherfile.txt";
g_anotherfile.mode = FILE_MODE;
g_anotherfile.size = strlen(g_anotherfilecontent)+1;
g_anotherfile.size = strlen(g_anotherfilecontent);
g_anotherfile.u.filecontent = g_anotherfilecontent;
g_yafile.peer = &g_subdir;
@@ -205,7 +210,7 @@ static void connectem(void)
g_yafile.found = FALSE;
g_yafile.name = "yafile.txt";
g_yafile.mode = FILE_MODE;
g_yafile.size = strlen(g_yafilecontent)+1;
g_yafile.size = strlen(g_yafilecontent);
g_yafile.u.filecontent = g_yafilecontent;
g_subdir.peer = NULL;
@@ -221,7 +226,7 @@ static void connectem(void)
g_subdirfile.found = FALSE;
g_subdirfile.name = "subdirfile.txt";
g_subdirfile.mode = FILE_MODE;
g_subdirfile.size = strlen(g_subdirfilecontent)+1;
g_subdirfile.size = strlen(g_subdirfilecontent);
g_subdirfile.u.filecontent = g_subdirfilecontent;
}
@@ -272,6 +277,79 @@ static void checkattributes(const char *path, mode_t mode, size_t size)
}
}
/****************************************************************************
* Name: checkfile
****************************************************************************/
static void checkfile(const char *path, struct node_s *node)
{
ssize_t nbytesread;
char *filedata;
int fd;
/* Open the file */
fd = open(path, O_RDONLY);
if (fd < 0)
{
printf(" -- ERROR: Failed to open %s: %d\n", path, errno);
g_nerrors++;
return;
}
/* Read and verify the file contents */
nbytesread = read(fd, g_scratchbuffer, SCRATCHBUFFER_SIZE);
if (nbytesread < 0)
{
printf(" -- ERROR: Failed to read from %s: %d\n", path, errno);
g_nerrors++;
}
else if (nbytesread != node->size)
{
printf(" -- ERROR: Read %d bytes, expected %d\n", nbytesread, node->size);
g_nerrors++;
}
else if (memcmp(g_scratchbuffer, node->u.filecontent, node->size) != 0)
{
g_scratchbuffer[nbytesread] = '\0';
printf(" -- ERROR: File content read does not match expectation:\n");
printf(" -- Read: [%s]\n", g_scratchbuffer);
printf(" -- Expected: [%s]\n", node->u.filecontent);
g_nerrors++;
}
/* Memory map and verify the file contents */
filedata = (char*)mmap(NULL, node->size, PROT_READ, MAP_SHARED|MAP_FILE, fd, 0);
if (!filedata || filedata == (char*)MAP_FAILED)
{
printf(" -- ERROR: mmap of %s failed: %d\n", path, errno);
g_nerrors++;
}
else
{
if (memcmp(filedata, node->u.filecontent, node->size) != 0)
{
memcpy(g_scratchbuffer, filedata, node->size);
g_scratchbuffer[node->size] = '\0';
printf(" -- ERROR: Mapped file content read does not match expectation:\n");
printf(" -- Memory: [%s]\n", filedata);
printf(" -- Expected: [%s]\n", node->u.filecontent);
g_nerrors++;
}
munmap(filedata, node->size);
}
/* Close the file */
if (close(fd) != OK)
{
printf(" -- ERROR: Failed to close %s: %d\n", path, errno);
g_nerrors++;
}
}
/****************************************************************************
* Name: readdirectories
****************************************************************************/
@@ -310,8 +388,8 @@ static void readdirectories(const char *path, struct node_s *entry)
/* Get the full path to the entry */
sprintf(g_pathbuffer, "%s/%s", path, direntry->d_name);
fullpath = strdup(g_pathbuffer);
sprintf(g_scratchbuffer, "%s/%s", path, direntry->d_name);
fullpath = strdup(g_scratchbuffer);
if (DIRENT_ISDIRECTORY(direntry->d_type))
{
@@ -339,6 +417,7 @@ static void readdirectories(const char *path, struct node_s *entry)
else
{
checkattributes(fullpath, node->mode, node->size);
checkfile(fullpath, node);
}
}
free(fullpath);