Subversion Repositories HelenOS

Compare Revisions

Ignore whitespace Rev 4717 → Rev 4718

/branches/network/uspace/app/bdsh/cmds/modules/ls/ls.c
50,48 → 50,9
 
static char *cmdname = "ls";
 
static inline off_t flen(const char *f)
{
int fd;
off_t size;
 
fd = open(f, O_RDONLY);
if (fd == -1)
return 0;
 
size = lseek(fd, 0, SEEK_END);
close(fd);
 
if (size < 0)
size = 0;
 
return size;
}
 
static unsigned int ls_scope(const char *path)
{
int fd;
DIR *dirp;
 
dirp = opendir(path);
if (dirp) {
closedir(dirp);
return LS_DIR;
}
 
fd = open(path, O_RDONLY);
if (fd > 0) {
close(fd);
return LS_FILE;
}
 
return LS_BOGUS;
}
 
static void ls_scan_dir(const char *d, DIR *dirp)
{
struct dirent *dp;
unsigned int scope;
char *buff;
 
if (! dirp)
108,20 → 69,7
/* Don't worry if inserting a double slash, this will be fixed by
* absolutize() later with subsequent calls to open() or readdir() */
snprintf(buff, PATH_MAX - 1, "%s/%s", d, dp->d_name);
scope = ls_scope(buff);
switch (scope) {
case LS_DIR:
ls_print_dir(dp->d_name);
break;
case LS_FILE:
ls_print_file(dp->d_name, buff);
break;
case LS_BOGUS:
/* Odd chance it was deleted from the time readdir() found
* it and the time that it was scoped */
printf("ls: skipping bogus node %s\n", dp->d_name);
break;
}
ls_print(dp->d_name, buff);
}
 
free(buff);
129,7 → 77,7
return;
}
 
/* ls_print_* currently does nothing more than print the entry.
/* ls_print currently does nothing more than print the entry.
* in the future, we will likely pass the absolute path, and
* some sort of ls_options structure that controls how each
* entry is printed and what is printed about it.
136,17 → 84,24
*
* Now we just print basic DOS style lists */
 
static void ls_print_dir(const char *d)
static void ls_print(const char *name, const char *pathname)
{
printf("%-40s\t<dir>\n", d);
struct stat s;
int rc;
 
return;
}
rc = stat(pathname, &s);
if (rc != 0) {
/* Odd chance it was deleted from the time readdir() found it */
printf("ls: skipping bogus node %s\n", pathname);
printf("rc=%d\n", rc);
return;
}
if (s.is_file)
printf("%-40s\t%llu\n", name, (long long) s.size);
else
printf("%-40s\n", name);
 
static void ls_print_file(const char *name, const char *pathname)
{
printf("%-40s\t%llu\n", name, (long long) flen(pathname));
 
return;
}
 
166,7 → 121,7
int cmd_ls(char **argv)
{
unsigned int argc;
unsigned int scope;
struct stat s;
char *buff;
DIR *dirp;
 
184,19 → 139,17
else
str_cpy(buff, PATH_MAX, argv[1]);
 
scope = ls_scope(buff);
 
switch (scope) {
case LS_BOGUS:
if (stat(buff, &s)) {
cli_error(CL_ENOENT, buff);
free(buff);
return CMD_FAILURE;
case LS_FILE:
ls_print_file(buff, buff);
break;
case LS_DIR:
}
 
if (s.is_file) {
ls_print(buff, buff);
} else {
dirp = opendir(buff);
if (! dirp) {
if (!dirp) {
/* May have been deleted between scoping it and opening it */
cli_error(CL_EFAIL, "Could not stat %s", buff);
free(buff);
204,7 → 157,6
}
ls_scan_dir(buff, dirp);
closedir(dirp);
break;
}
 
free(buff);