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Implemented FAT write

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git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@244 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo
2007-05-20 23:22:56 +00:00
parent c9bc5c5c0e
commit 60f48b9ab9
4 changed files with 866 additions and 203 deletions
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examples/mount/mount_main.c
+35 -6
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@@ -64,7 +64,7 @@ static const char g_target[] = "/mnt/fs";
static const char g_filesystemtype[] = "vfat";
static const char g_testfile1[] = "/mnt/fs/TestDir/TestFile.txt";
static const char g_testfile2[] = "/mnt/fs/TestDir/WriteTest.txt";
static const char g_testfile2[] = "/mnt/fs/TestDir/WritTest.txt";
static const char g_testmsg[] = "This is a write test";
/****************************************************************************
@@ -89,7 +89,9 @@ void user_initialize(void)
int user_start(int argc, char *argv[])
{
int ret;
char buffer[128];
int nbytes;
int ret;
printf("main: mounting %s filesystem at target=%s with source=%s\n",
g_filesystemtype, g_target, g_source);
@@ -104,12 +106,12 @@ int user_start(int argc, char *argv[])
int fd = open(g_testfile1, O_RDONLY);
if (fd < 0)
{
printf("main: failed open %s, errno=%d\n", g_testfile1, *get_errno_ptr());
printf("main: failed to open %s, errno=%d\n", g_testfile1, *get_errno_ptr());
}
else
{
char buffer[128];
int nbytes = read(fd, buffer, 128);
memset(buffer, 0, 128);
nbytes = read(fd, buffer, 128);
if (nbytes < 0)
{
printf("main: failed to read from %s, errno=%d\n", g_testfile1, *get_errno_ptr());
@@ -127,7 +129,7 @@ int user_start(int argc, char *argv[])
fd = open(g_testfile2, O_WRONLY|O_CREAT|O_TRUNC, 0644);
if (fd < 0)
{
printf("main: failed open %s, errno=%d\n", g_testfile2, *get_errno_ptr());
printf("main: failed to open %s for writing, errno=%d\n", g_testfile2, *get_errno_ptr());
}
else
{
@@ -136,6 +138,33 @@ int user_start(int argc, char *argv[])
{
printf("main: failed to write to %s, errno=%d\n", g_testfile2, *get_errno_ptr());
}
else
{
printf("main: wrote %d bytes to %s\n", nbytes, g_testfile2);
}
close(fd);
}
printf("main: opening %s for reading\n", g_testfile2);
fd = open(g_testfile2, O_RDONLY);
if (fd < 0)
{
printf("main: failed to open %s for reading, errno=%d\n", g_testfile2, *get_errno_ptr());
}
else
{
memset(buffer, 0, 128);
nbytes = read(fd, buffer, 128);
if (nbytes < 0)
{
printf("main: failed to read from %s, errno=%d\n", g_testfile2, *get_errno_ptr());
}
else
{
buffer[127]='\0';
printf("main: Read \"%s\" from %s\n", buffer, g_testfile2);
}
close(fd);
}