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fix compiling warning; optimize ls function. 

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1186 bbd45198-f89e-11dd-88c7-29a3b14d5316
This commit is contained in:
bernard.xiong 2010-12-09 07:54:00 +00:00
parent f8397a1693
commit 83bb6a11bb
2 changed files with 36 additions and 15 deletions
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10
components/dfs/src/dfs.c
View File

@ -74,7 +74,10 @@ void dfs_lock()
rt_err_t result;
result = rt_mutex_take(&fslock, RT_WAITING_FOREVER);
RT_ASSERT(result == RT_EOK);
if (result != RT_EOK)
{
RT_ASSERT(0);
}
}
/**
@ -350,6 +353,11 @@ up_one:
}
*dst = '\0';
/* remove '/' in the end of path if exist */
dst --;
if ((dst != fullpath) && (*dst == '/')) *dst = '\0';
return fullpath;
}
/*@}*/

41
components/dfs/src/dfs_file.c
View File

@ -444,14 +444,28 @@ void ls(const char* pathname)
{
struct stat stat;
int length;
char* fullpath;
char *fullpath, *path;
fullpath = rt_malloc(DFS_PATH_MAX + 1);
if (fullpath == RT_NULL) return; /* out of memory */
/* list directory */
if ( dfs_file_open(&fd, pathname, DFS_O_DIRECTORY) == 0 )
fullpath = RT_NULL;
if (pathname == RT_NULL)
{
rt_kprintf("Directory %s:\n", pathname);
#ifdef DFS_USING_WORKDIR
/* open current working directory */
path = rt_strdup(working_directory);
#else
path = rt_strdup("/");
#endif
if (path == RT_NULL) return ; /* out of memory */
}
else
{
path = (char*)pathname;
}
/* list directory */
if ( dfs_file_open(&fd, path, DFS_O_DIRECTORY) == 0 )
{
rt_kprintf("Directory %s:\n", path);
do
{
rt_memset(&dirent, 0, sizeof(struct dirent));
@ -461,25 +475,24 @@ void ls(const char* pathname)
rt_memset(&stat, 0, sizeof(struct stat));
/* build full path for each file */
if (pathname[strlen(pathname) - 1] != '/')
rt_snprintf(fullpath, DFS_PATH_MAX + 1, "%s%c%s", pathname, '/', dirent.d_name);
else
rt_snprintf(fullpath, DFS_PATH_MAX + 1, "%s%s", pathname, dirent.d_name);
fullpath = dfs_normalize_path(path, dirent.d_name);
if (fullpath == RT_NULL) break;
if (dfs_file_stat(fullpath, &stat) == 0)
{
rt_kprintf("%-20s", dirent.d_name);
if ( DFS_S_ISDIR(stat.st_mode))
{
rt_kprintf("%s\t\t<DIR>\n", dirent.d_name);
rt_kprintf("%-25s\n", "<DIR>");
}
else
{
rt_kprintf("%s\t\t%lu\n", dirent.d_name, stat.st_size);
rt_kprintf("%-25lu\n", stat.st_size);
}
}
else
rt_kprintf("BAD file: %s\n", dirent.d_name);
rt_free(fullpath);
}
}while(length > 0);
@ -489,7 +502,7 @@ void ls(const char* pathname)
{
rt_kprintf("No such directory\n");
}
rt_free(fullpath);
if (pathname == RT_NULL) rt_free(path);
}
FINSH_FUNCTION_EXPORT(ls, list directory contents)