static void cleanup(void)
{
if (! keep_files) {
if (temp_dir != NULL) {
remove_dir(temp_dir);
}
}
}
/*===========================================================================*
* fs_unlink *
*===========================================================================*/
int fs_unlink()
{
/* Perform the unlink(name) or rmdir(name) system call. The code for these two
* is almost the same. They differ only in some condition testing. Unlink()
* may be used by the superuser to do dangerous things; rmdir() may not.
*/
register struct inode *rip;
struct inode *rldirp;
int r;
char string[NAME_MAX + 1];
phys_bytes len;
/* Copy the last component */
len = fs_m_in.REQ_PATH_LEN; /* including trailing '\0' */
if (len > NAME_MAX + 1 || len > EXT2_NAME_MAX + 1)
return(ENAMETOOLONG);
r = sys_safecopyfrom(VFS_PROC_NR, (cp_grant_id_t) fs_m_in.REQ_GRANT,
(vir_bytes) 0, (vir_bytes) string, (size_t) len);
if (r != OK) return r;
NUL(string, len, sizeof(string));
/* Temporarily open the dir. */
if( (rldirp = get_inode(fs_dev, (ino_t) fs_m_in.REQ_INODE_NR)) == NULL)
return(EINVAL);
/* The last directory exists. Does the file also exist? */
rip = advance(rldirp, string, IGN_PERM);
r = err_code;
/* If error, return inode. */
if(r != OK) {
/* Mount point? */
if (r == EENTERMOUNT || r == ELEAVEMOUNT) {
put_inode(rip);
r = EBUSY;
}
put_inode(rldirp);
return(r);
}
/* Now test if the call is allowed, separately for unlink() and rmdir(). */
if(fs_m_in.m_type == REQ_UNLINK) {
/* Only the su may unlink directories, but the su can unlink any
* dir.*/
if( (rip->i_mode & I_TYPE) == I_DIRECTORY) r = EPERM;
/* Actually try to unlink the file; fails if parent is mode 0 etc. */
if (r == OK) r = unlink_file(rldirp, rip, string);
} else {
r = remove_dir(rldirp, rip, string); /* call is RMDIR */
}
/* If unlink was possible, it has been done, otherwise it has not. */
put_inode(rip);
put_inode(rldirp);
return(r);
}
/* helper function to remove a non-empty directory */
static int remove_dir(char* dirname, int len)
{
int result = 0;
DIR* dir;
int dirlen = strlen(dirname);
dir = opendir(dirname);
if (!dir)
return -1; /* open error */
while(true)
{
struct dirent* entry;
/* walk through the directory content */
entry = readdir(dir);
if (!entry)
break;
struct dirinfo info = dir_get_info(dir, entry);
dirname[dirlen] ='\0';
/* inform the user which dir we're deleting */
splash(0, dirname);
/* append name to current directory */
snprintf(dirname+dirlen, len-dirlen, "/%s", entry->d_name);
if (info.attribute & ATTR_DIRECTORY)
{ /* remove a subdirectory */
if (!strcmp((char *)entry->d_name, ".") ||
!strcmp((char *)entry->d_name, ".."))
continue; /* skip these */
result = remove_dir(dirname, len); /* recursion */
if (result)
break; /* or better continue, delete what we can? */
}
else
{ /* remove a file */
draw_slider();
result = remove(dirname);
}
if(ACTION_STD_CANCEL == get_action(CONTEXT_STD,TIMEOUT_NOBLOCK))
{
splash(HZ, ID2P(LANG_CANCEL));
result = -1;
break;
}
}
closedir(dir);
if (!result)
{ /* remove the now empty directory */
dirname[dirlen] = '\0'; /* terminate to original length */
result = rmdir(dirname);
}
return result;
}
YETI_Result File::remove(const char * path, bool recurse /* = false */)
{
FileInfo info;
YETI_CHECK_WARNING(get_info(path, &info));
if (info.m_type_ == FileInfo::FILE_TYPE_DIRECTORY) {
return remove_dir(path, recurse);
}
return remove_file(path);
}
void
test_remove(void)
{
test_remove_path();
remove_dir();
remove_dot();
remove_dotdot();
remove_empty();
}
static int inject_second_rd(const char *path, const char *second_path)
{
int result = -1;
uint32_t magic = 0;
FILE *f = fopen(path, "re");
if (!f)
{
ERROR("Couldn't open %s!\n", path);
return -1;
}
fread(&magic, sizeof(magic), 1, f);
fclose(f);
mkdir(TMP_RD2_UNPACKED_DIR, 0755);
// Decompress initrd
int type;
char buff[256];
char busybox_path[256];
snprintf(busybox_path, sizeof(busybox_path), "%s/busybox", mrom_dir());
char *cmd[] = { busybox_path, "sh", "-c", buff, NULL };
snprintf(buff, sizeof(buff), "B=\"%s\"; cd \"%s\"; \"$B\" cat \"%s\" | \"$B\" cpio -i", busybox_path, TMP_RD2_UNPACKED_DIR, second_path);
int r;
char *out = run_get_stdout_with_exit(cmd, &r);
if (r != 0)
{
ERROR("Output: %s\n", out);
ERROR("Failed to unpack second ramdisk!%s\n", buff);
goto fail;
}
// Update files
if (copy_rd_files(second_path, busybox_path) < 0)
goto fail;
// Pack initrd again
snprintf(buff, sizeof(buff), "B=\"%s\"; cd \"%s\"; \"$B\" find . | \"$B\" cpio -o -H newc > \"%s\"", busybox_path, TMP_RD2_UNPACKED_DIR, second_path);
out = run_get_stdout_with_exit(cmd, &r);
if (r != 0)
{
ERROR("Output: %s\n", out);
ERROR("Failed to pack ramdisk.cpio!\n");
goto fail;
}
success:
result = 0;
fail:
remove_dir(TMP_RD2_UNPACKED_DIR);
return result;
}
/**
* @brief remove file or dir
*
* @param pathname [in] path of file or directoy
*
* @return 0, if succ; -1, if failed.
*/
int remove_file(const char *pathname)
{
struct stat st = {0};
if (pathname == NULL) return -1;
if (lstat(pathname, &st) < 0) return -1;
if (S_ISDIR(st.st_mode)) return remove_dir(pathname);
else remove(pathname);
return 0;
}
static bool remove_all(const char *id)
{
bool removed;
remove_file(id, SETTINGS);
remove_file(id, "data");
removed = remove_dir(id);
if (!removed)
return false;
return true;
}
// refresh known data of station and hotspot
void refreshAndZip() {
// clear known station and hotspot
int i;
for (i = 0; i < hotspot_records_count; ++i) {
memset(knownHotspotMAC[i], 0, sizeof(knownHotspotMAC[i]));
}
for (i = 0; i < sta_records_count; ++i) {
memset(knownStaMAC[i], 0, sizeof(knownStaMAC[i]));
}
/* zip
* -r 递归处理，将指定目录下的所有文件和子目录一并处理。
* -q 不显示指令执行过程。
**/
system("zip -r -q /tmp/group2/zip/data.zip /tmp/group2/data");
remove_dir("/tmp/group2/data/hotspot");
hotspot_records_count = 0;
remove_dir("/tmp/group2/data/station");
sta_records_count = 0;
}
static gboolean remove_all(const char *id)
{
gboolean removed;
remove_file(id, SETTINGS);
remove_file(id, "data");
removed = remove_dir(id);
if (removed == FALSE)
return FALSE;
return TRUE;
}
int check_relative_cmd_suite(char *buffer, char *abso,
struct s_static_socket *br)
{
if (strncmp(buffer, "RMD", 3) == 0)
remove_dir(abso, br, 0);
else
if (strncmp(buffer, "DELE", 4) == 0)
remove_dir(abso, br, 1);
else
if (strncmp(buffer, "MKD", 3) == 0)
make_dir(abso, br);
else
if (strncmp(buffer, "SITE", 4) == 0)
site_func(buffer, br);
else
if (strncmp(buffer, "RNFR", 4) == 0)
rename_from(abso, br);
else
if (strncmp(buffer, "RNTO", 4) == 0)
rename_to(br);
else
return (-1);
return (0);
}
static void update_cache(void)
{
DIR* d = NULL;
struct dirent* e;
char* cache_root, * oldest_dir = NULL, * filename;
time_t oldest_mtime = 0; // initialized here only to avoid compiler warning
int num_files;
num_files = 0;
cache_root = str_concat(str_dup(root_dir), "/cache");
if ((d = opendir(cache_root)) != NULL) {
while ((e = readdir(d)) != NULL) {
struct stat st;
if (strcmp(e->d_name, ".") == 0 || strcmp(e->d_name, "..") == 0) {
continue;
}
filename = str_concat(str_concat(str_dup(cache_root), "/"), e->d_name);
if (stat(filename, &st) == 0 && S_ISDIR(st.st_mode)) {
if (oldest_dir == NULL || st.st_mtime < oldest_mtime) {
free(oldest_dir);
oldest_dir = str_dup(filename);
oldest_mtime = st.st_mtime;
}
if (++num_files >= FILES_PER_CACHEDIR && oldest_dir != NULL) {
remove_dir(oldest_dir);
if (readdir(d) != NULL) {
/* more files to come, check again */
num_files = 0;
free(oldest_dir);
oldest_dir = NULL;
rewinddir(d);
} else {
free(filename);
break;
}
}
}
free(filename);
}
closedir(d);
}
free(oldest_dir);
free(cache_root);
}
int setup_zip(const char *file, char *p)
{
if (!p)
return -1;
fprintf(stderr,"Trying to install: %s\n", file);
if (unpack(file, p)) {
if (zip_game_dirname[0]) {
p = getpath(p, zip_game_dirname);
fprintf(stderr, "Cleaning: '%s'...\n", p);
remove_dir(p);
free(p);
}
return -1;
}
game_sw = zip_game_dirname;
games_sw = p;
return 0;
}
void sysfs_remove_dir(struct kobject * kobj)
{
struct list_head * node;
struct dentry * dentry = dget(kobj->dentry);
if (!dentry)
return;
pr_debug("sysfs %s: removing dir\n",dentry->d_name.name);
down(&dentry->d_inode->i_sem);
spin_lock(&dcache_lock);
node = dentry->d_subdirs.next;
while (node != &dentry->d_subdirs) {
struct dentry * d = list_entry(node,struct dentry,d_child);
list_del_init(node);
pr_debug(" o %s (%d): ",d->d_name.name,atomic_read(&d->d_count));
if (d->d_inode) {
d = dget_locked(d);
pr_debug("removing");
/**
* Unlink and unhash.
*/
spin_unlock(&dcache_lock);
d_delete(d);
simple_unlink(dentry->d_inode,d);
dput(d);
spin_lock(&dcache_lock);
}
pr_debug(" done\n");
node = dentry->d_subdirs.next;
}
list_del_init(&dentry->d_child);
spin_unlock(&dcache_lock);
up(&dentry->d_inode->i_sem);
remove_dir(dentry);
/**
* Drop reference from dget() on entrance.
*/
dput(dentry);
}
/*===========================================================================*
* fs_unlink *
*===========================================================================*/
int fs_unlink(ino_t dir_nr, char *name, int call)
{
/* Perform the unlink(name) or rmdir(name) system call. The code for these two
* is almost the same. They differ only in some condition testing.
*/
register struct inode *rip;
struct inode *rldirp;
int r;
/* Temporarily open the dir. */
if((rldirp = get_inode(fs_dev, dir_nr)) == NULL)
return(EINVAL);
/* The last directory exists. Does the file also exist? */
rip = advance(rldirp, name);
r = err_code;
/* If error, return inode. */
if(r != OK) {
put_inode(rldirp);
return(r);
}
if (rip->i_mountpoint) {
put_inode(rip);
put_inode(rldirp);
return(EBUSY);
}
/* Now test if the call is allowed, separately for unlink() and rmdir(). */
if (call == FSC_UNLINK) {
if( (rip->i_mode & I_TYPE) == I_DIRECTORY) r = EPERM;
/* Actually try to unlink the file; fails if parent is mode 0 etc. */
if (r == OK) r = unlink_file(rldirp, rip, name);
} else {
r = remove_dir(rldirp, rip, name); /* call is RMDIR */
}
/* If unlink was possible, it has been done, otherwise it has not. */
put_inode(rip);
put_inode(rldirp);
return(r);
}
int remove_dir(const char *dir)
{
struct DIR *d = opendir(dir);
if(!d)
return -1;
struct dirent *dt;
int res = 0;
int dir_len = strlen(dir) + 1;
char *n = malloc(dir_len + 1);
strcpy(n, dir);
strcat(n, "/");
while(res == 0 && (dt = readdir(d)))
{
if(dt->d_name[0] == '.' && (dt->d_name[1] == '.' || dt->d_name[1] == 0))
continue;
n = realloc(n, dir_len + strlen(dt->d_name) + 1);
n[dir_len] = 0;
strcat(n, dt->d_name);
if(dt->d_type == DT_DIR)
{
if(remove_dir(n) < 0)
res = -1;
}
else
{
if(remove(n) < 0)
res = -1;
}
}
free(n);
closedir(d);
if(res == 0 && remove(dir) < 0)
res = -1;
return res;
}
static int copy_rd_files(UNUSED const char *path, UNUSED const char *busybox_path)
{
char buf[256];
if (access(TMP_RD_UNPACKED_DIR"/main_init", F_OK) < 0 &&
rename(TMP_RD_UNPACKED_DIR"/init", TMP_RD_UNPACKED_DIR"/main_init") < 0)
{
ERROR("Failed to move /init to /main_init!\n");
return -1;
}
snprintf(buf, sizeof(buf), "%s/trampoline", mrom_dir());
if(copy_file(buf, TMP_RD_UNPACKED_DIR"/init") < 0)
{
ERROR("Failed to copy trampoline to /init!\n");
return -1;
}
chmod(TMP_RD_UNPACKED_DIR"/init", 0750);
remove(TMP_RD_UNPACKED_DIR"/sbin/ueventd");
remove(TMP_RD_UNPACKED_DIR"/sbin/watchdogd");
symlink("../main_init", TMP_RD_UNPACKED_DIR"/sbin/ueventd");
symlink("../main_init", TMP_RD_UNPACKED_DIR"/sbin/watchdogd");
#ifdef MR_USE_MROM_FSTAB
snprintf(buf, sizeof(buf), "%s/mrom.fstab", mrom_dir());
copy_file(buf, TMP_RD_UNPACKED_DIR"/mrom.fstab");
#else
remove(TMP_RD_UNPACKED_DIR"/mrom.fstab");
#endif
#ifdef MR_ENCRYPTION
remove_dir(TMP_RD_UNPACKED_DIR"/mrom_enc");
if(mr_system("busybox cp -a \"%s/enc\" \"%s/mrom_enc\"", mrom_dir(), TMP_RD_UNPACKED_DIR) != 0)
{
ERROR("Failed to copy encryption files!\n");
return -1;
}
#endif
return 0;
}
bool __connman_storage_remove_service(const char *service_id)
{
bool removed;
/* Remove service configuration file */
removed = remove_file(service_id, SETTINGS);
if (!removed)
return false;
/* Remove the statistics file also */
removed = remove_file(service_id, "data");
if (!removed)
return false;
removed = remove_dir(service_id);
if (!removed)
return false;
DBG("Removed service dir %s/%s", STORAGEDIR, service_id);
return true;
}
/* share code for file and directory deletion, saves space */
static bool delete_file_dir(void)
{
char file_to_delete[MAX_PATH];
strcpy(file_to_delete, selected_file);
const char *lines[]={
ID2P(LANG_REALLY_DELETE),
file_to_delete
};
const char *yes_lines[]={
ID2P(LANG_DELETING),
file_to_delete
};
const struct text_message message={lines, 2};
const struct text_message yes_message={yes_lines, 2};
if(gui_syncyesno_run(&message, &yes_message, NULL)!=YESNO_YES)
return false;
splash(0, str(LANG_DELETING));
int res;
if (selected_file_attr & ATTR_DIRECTORY) /* true if directory */
{
char pathname[MAX_PATH]; /* space to go deep */
cpu_boost(true);
strlcpy(pathname, file_to_delete, sizeof(pathname));
res = remove_dir(pathname, sizeof(pathname));
cpu_boost(false);
}
else
res = remove(file_to_delete);
if (!res)
onplay_result = ONPLAY_RELOAD_DIR;
return (res == 0);
}
gboolean __connman_storage_remove_service(const char *service_id)
{
gboolean removed;
/* Remove service configuration file */
removed = remove_file(service_id, SETTINGS);
if (removed == FALSE)
return FALSE;
/* Remove the statistics file also */
removed = remove_file(service_id, "data");
if (removed == FALSE)
return FALSE;
removed = remove_dir(service_id);
if (removed == FALSE)
return FALSE;
DBG("Removed service dir %s/%s", STORAGEDIR, service_id);
return TRUE;
}
static void __sysfs_remove_dir(struct sysfs_dirent *dir_sd)
{
struct sysfs_addrm_cxt acxt;
struct sysfs_dirent **pos;
if (!dir_sd)
return;
pr_debug("sysfs %s: removing dir\n", dir_sd->s_name);
sysfs_addrm_start(&acxt, dir_sd);
pos = &dir_sd->s_dir.children;
while (*pos) {
struct sysfs_dirent *sd = *pos;
if (sysfs_type(sd) != SYSFS_DIR)
sysfs_remove_one(&acxt, sd);
else
pos = &(*pos)->s_sibling;
}
sysfs_addrm_finish(&acxt);
remove_dir(dir_sd);
}
/*
rm -rf : first empty directory, then remove directory
*/
int rm_rf_trashdir(char *dirname) {
char buf[MAX_PATHLEN], *bufp;
DIR *dirp;
struct dirent *direntp;
if (dirname == NULL || !*dirname)
return -1;
/* safety check */
bufprintf(buf, sizeof(buf), "%s/", PARAM_TRASHDIR);
path_strip(buf);
if (strncmp(buf, dirname, strlen(buf)) || cstrstr(dirname, "..") != NULL)
return -1;
cstrcpy(buf, dirname, MAX_PATHLEN);
bufp = buf+strlen(buf)-1;
if (*bufp != '/') {
bufp++;
*bufp = '/';
bufp++;
*bufp = 0;
}
if ((dirp = opendir(buf)) == NULL)
return -1;
while((direntp = readdir(dirp)) != NULL) {
/* check for '.' and '..' directory */
if (direntp->d_name[0] == '.' && (!direntp->d_name[1]
|| (direntp->d_name[1] == '.' && !direntp->d_name[2])))
continue;
cstrcpy(bufp, direntp->d_name, MAX_PATHLEN);
unlink(buf); /* note: trash/ is not cached ; it's ok not to use unlink_file() */
}
closedir(dirp);
return remove_dir(dirname);
}
int main(int argc, char **argv)
{
int i, parent = 0, er = 0;
if ((argv[1][0] == '-') && (argv[1][1] == 'p'))
parent = 1;
newmode = 0666 & ~umask(0);
for (i = parent + 1; i < argc; i++) {
if (argv[i][0] != '-') {
if (remove_dir(argv[i], parent)) {
writes("rmdir: cannot remove directory '");
writes(argv[i]);
perror("'");
er = 1;
}
} else {
writes("rmdir: usage error\n");
exit(1);
}
}
return er;
}
void mkvmerge_wrapper::merge(QString &target_file_name, QDir &resource_dir)
{
QFile target_file(target_file_name);
QFileInfo target_file_info(target_file);
resource_dir.setFilter(QDir::Files | QDir::NoSymLinks);
QFileInfoList list_of_files = resource_dir.entryInfoList();
// Assemble merge command
QString first_segment_name = list_of_files.at(0).absoluteFilePath();
QString cmd = mkvmerge_cmd_+ mkvmerge_parameters_ + target_file_info.absoluteFilePath() +
" " + first_segment_name;
for (int i = 1; i < list_of_files.size(); ++i)
{
cmd += " +" + list_of_files.at(i).absoluteFilePath();
}
// Run merging
if (!system(cmd.toStdString().c_str()))
{
qDebug() << "mkvmerge call (merge method) caused problem!";
}
// Removes folder
remove_dir(resource_dir);
}
int main(int argc,char *argv[])
{
char infile1[256], infile2[256], infile3[256]; // Input file name
char outfile[256]; // Output file name
char tmpPath[1024];
browse_type_t mode = NOTYPE;
int i,j;
int sample_count;
double scale;
extern int currArg;
strcpy(tmpPath, "");
// Parse command line
if ((argc-currArg)<1) {
printf("Insufficient arguments.\n");
usage("");
}
while (currArg < (argc-2)) {
char *key = argv[currArg++];
if (strmatches(key, "-sentinel", "--sentinel", NULL)) {
CHECK_ARG(1);
scale = atof(GET_ARG(1));
mode = SENTINEL_DUAL;
}
else if (strmatches(key, "-tmpDir", "--tmpDir", NULL)) {
CHECK_ARG(1);
strcpy(tmpPath, GET_ARG(1));
}
else if (strmatches(key, "-log", "--log", NULL)) {
CHECK_ARG(1);
strcpy(logFile,GET_ARG(1));
fLog = FOPEN(logFile, "a");
logflag = TRUE;
}
else if (strmatches(key, "-quiet", "--quiet", "-q", NULL))
quietflag = TRUE;
else {
--currArg;
break;
}
}
if ((argc-currArg) < 2) {
printf("Insufficient arguments.\n");
usage(argv[0]);
}
if (mode == NOTYPE && argc == 4)
mode = PALSAR_FBD;
else if (mode == NOTYPE && argc == 5)
mode = PALSAR_PLR;
if (!quietflag)
asfSplashScreen(argc, argv);
if (mode == PALSAR_FBD) {
asfPrintStatus("Creating colorized browse image from PALSAR FBD data\n");
create_name(infile1,argv[1],".img");
create_name(infile2,argv[2],".img");
create_name(outfile,argv[3],".img");
meta_parameters *meta1 = meta_read(infile1);
meta_parameters *meta2 = meta_read(infile2);
if (meta1->general->line_count != meta2->general->line_count ||
meta1->general->sample_count != meta2->general->sample_count)
{
asfPrintError("Images must be the same size!!!\n");
exit(1);
}
strcpy(meta1->general->bands,"HH");
strcpy(meta2->general->bands,"HV");
int pixel_count = meta1->general->line_count*meta1->general->sample_count;
float *buf1 = MALLOC(pixel_count * sizeof(float));
float *buf2 = MALLOC(pixel_count * sizeof(float));
float *buf3 = MALLOC(pixel_count * sizeof(float));
unsigned char *cbuf1, *cbuf2, *cbuf3;
FILE *fp1 = FOPEN(infile1, "r");
FILE *fp2 = FOPEN(infile2, "r");
FILE *ofp = FOPEN(outfile, "w");
char ofile1[256];
char ofile2[256];
strcpy(ofile1,argv[1]);
strcat(ofile1,"_DB.img");
strcpy(ofile2,argv[2]);
strcat(ofile2,"_DB.img");
printf("Creating output DB files %s and %s\n",ofile1,ofile2);
FILE *ofp1 = FOPEN(ofile1, "w");
FILE *ofp2 = FOPEN(ofile2, "w");
get_float_lines(fp1,meta1,0,meta1->general->line_count, buf1);
get_float_lines(fp2,meta2,0,meta2->general->line_count, buf2);
/* Convert data from sigma0 to dB */
sample_count = 0;
for (i=0; i<meta1->general->line_count; ++i) {
for (j=0; j<meta1->general->sample_count; ++j) {
if (meta_is_valid_double(buf1[sample_count])) {
if (buf1[sample_count] != 0)
buf1[sample_count] = 10.0 * log10f(buf1[sample_count]);
if (buf2[sample_count] != 0)
buf2[sample_count] = 10.0 * log10f(buf2[sample_count]);
}
sample_count++;
}
}
put_float_lines(ofp1, meta1, 0,meta1->general->line_count,buf1);
put_float_lines(ofp2, meta2, 0,meta1->general->line_count,buf2);
meta_write(meta1, ofile1);
meta_write(meta2, ofile2);
fclose(fp1);
fclose(fp2);
fclose(ofp1);
fclose(ofp2);
/* Scale the data to a byte range using given min/max values */
cbuf1 = my_floats_to_bytes(buf1,(long long) pixel_count, 0.0,MINMAX,-30.0,-1.0);
cbuf2 = my_floats_to_bytes(buf2,(long long) pixel_count, 0.0,MINMAX,-30.0,-10.0);
/*
cbuf1 = my_floats_to_bytes(buf1,(long long) pixel_count, 0.0,MINMAX,-31.0,7.1);
cbuf2 = my_floats_to_bytes(buf2,(long long) pixel_count, 0.0,MINMAX,-31.0,7.1);
*/
strcpy(ofile1,argv[1]);
strcat(ofile1,"_byte.img");
strcpy(ofile2,argv[2]);
strcat(ofile2,"_byte.img");
printf("Creating output byte files %s and %s\n",ofile1,ofile2);
ofp1 = FOPEN(ofile1, "w");
ofp2 = FOPEN(ofile2, "w");
meta1->general->data_type=REAL32;
meta2->general->data_type=REAL32;
sample_count = 0;
for (i=0; i<meta1->general->line_count; ++i) {
for (j=0; j<meta1->general->sample_count; ++j) {
buf1[sample_count] = (float) cbuf1[sample_count];
buf2[sample_count] = (float) cbuf2[sample_count];
sample_count++;
}
}
put_float_lines(ofp1,meta1,0,meta1->general->line_count,buf1);
put_float_lines(ofp2,meta2,0,meta2->general->line_count,buf2);
meta_write(meta1, ofile1);
meta_write(meta2, ofile2);
fclose(ofp1);
fclose(ofp2);
/* Create the third band for the color image */
sample_count = 0;
for (i=0; i<meta1->general->line_count; ++i) {
for (j=0; j<meta1->general->sample_count; ++j) {
if (buf2[sample_count] != 0) {
/*
buf3[sample_count] = (buf1[sample_count] / buf2[sample_count]);
*/
buf3[sample_count] = (buf1[sample_count] - buf2[sample_count]);
if (buf3[sample_count] < 1) buf3[sample_count] = 1;
else if (buf3[sample_count] > 255) buf3[sample_count] = 255;
} else buf3[sample_count] = 0;
sample_count++;
}
}
cbuf3 = my_floats_to_bytes(buf3,(long long) pixel_count, 0.0,SIGMA ,-25.0,-10.0);
sample_count = 0;
for (i=0; i<meta1->general->line_count; ++i) {
for (j=0; j<meta1->general->sample_count; ++j) {
buf3[sample_count] = (float) cbuf3[sample_count];
sample_count++;
}
}
/* Finally, create the 3 banded image we were looking for */
strcpy(meta1->general->bands,"HH,HV,DIV");
meta1->general->band_count=3;
put_band_float_lines(ofp,meta1,0,0,meta1->general->line_count,buf1);
put_band_float_lines(ofp,meta1,1,0,meta1->general->line_count,buf2);
put_band_float_lines(ofp,meta1,2,0,meta1->general->line_count,buf3);
meta_write(meta1,outfile);
}
else if (mode == PALSAR_PLR) {
/* Mode 1 - Create Color Browse from 3 bands using 3sigma stretch */
asfPrintStatus("Creating colorized browse image from PALSAR PLR data\n");
create_name(infile1,argv[1],".img");
create_name(infile2,argv[2],".img");
create_name(infile3,argv[3],".img");
create_name(outfile,argv[4],".img");
meta_parameters *meta1 = meta_read(infile1);
meta_parameters *meta2 = meta_read(infile2);
meta_parameters *meta3 = meta_read(infile3);
if (meta1->general->line_count != meta2->general->line_count ||
meta1->general->sample_count != meta2->general->sample_count)
{
asfPrintError("Images must be the same size!!!\n");
exit(1);
}
if (meta3->general->line_count != meta2->general->line_count ||
meta3->general->sample_count != meta2->general->sample_count)
{
asfPrintError("Images must be the same size!!!\n");
exit(1);
}
int pixel_count = meta1->general->line_count*meta1->general->sample_count;
float *buf1 = MALLOC(pixel_count * sizeof(float));
float *buf2 = MALLOC(pixel_count * sizeof(float));
float *buf3 = MALLOC(pixel_count * sizeof(float));
float *buf4 = MALLOC(pixel_count * sizeof(float));
unsigned char *cbuf1, *cbuf2, *cbuf3, *cbuf4;
FILE *fp1 = FOPEN(infile1, "r");
FILE *fp2 = FOPEN(infile2, "r");
FILE *fp3 = FOPEN(infile3, "r");
FILE *ofp = FOPEN(outfile, "w");
get_float_lines(fp1,meta1,0,meta1->general->line_count, buf1);
get_float_lines(fp2,meta2,0,meta2->general->line_count, buf2);
get_float_lines(fp3,meta3,0,meta3->general->line_count, buf3);
/* Convert data from sigma0 to dB */
sample_count = 0;
for (i=0; i<meta1->general->line_count; ++i) {
for (j=0; j<meta1->general->sample_count; ++j) {
if (meta_is_valid_double(buf1[sample_count])) {
if (buf1[sample_count] != 0)
buf1[sample_count] = 10.0 * log10f(buf1[sample_count]);
if (buf2[sample_count] != 0)
buf2[sample_count] = 10.0 * log10f(buf2[sample_count]);
if (buf3[sample_count] != 0)
buf3[sample_count] = 10.0 * log10f(buf3[sample_count]);
}
sample_count++;
}
}
/* Scale the data to a byte range using 3-sigma stretch values */
cbuf1 = my_floats_to_bytes(buf1,(long long) pixel_count, 0.0,SIGMA3,-30.0,-1.0);
cbuf2 = my_floats_to_bytes(buf2,(long long) pixel_count, 0.0,SIGMA3,-30.0,-10.0);
cbuf3 = my_floats_to_bytes(buf3,(long long) pixel_count, 0.0,SIGMA3,-30.0,-10.0);
meta1->general->data_type=REAL32;
//meta2->general->data_type=ASF_BYTE;
//meta3->general->data_type=ASF_BYTE;
sample_count = 0;
for (i=0; i<meta1->general->line_count; ++i) {
for (j=0; j<meta1->general->sample_count; ++j) {
buf1[sample_count] = (float) cbuf1[sample_count];
buf2[sample_count] = (float) cbuf2[sample_count];
buf3[sample_count] = (float) cbuf3[sample_count];
sample_count++;
}
}
/* Finally, create the 3 banded image we were looking for */
strcpy(meta1->general->bands,"HH,HV,VV");
meta1->general->band_count=3;
put_band_float_lines(ofp,meta1,0,0,meta1->general->line_count,buf1);
put_band_float_lines(ofp,meta1,1,0,meta1->general->line_count,buf2);
put_band_float_lines(ofp,meta1,2,0,meta1->general->line_count,buf3);
meta_write(meta1,outfile);
}
else if (mode == SENTINEL_DUAL) {
asfPrintStatus("Creating colorized browse image from Sentinel dual-pol "
"data\n");
if (strlen(tmpPath) > 0) {
create_name(infile1,argv[5],".img");
create_name(infile2,argv[6],".img");
create_name(outfile,argv[7],".tif");
}
else {
create_name(infile1,argv[3],".img");
create_name(infile2,argv[4],".img");
create_name(outfile,argv[5],".tif");
}
// Create temporary directory
char tmpDir[1024];
if (strlen(tmpPath) > 0)
sprintf(tmpDir, "%s%cbrowse-", tmpPath, DIR_SEPARATOR);
else
strcpy(tmpDir, "browse-");
strcat(tmpDir, time_stamp_dir());
create_clean_dir(tmpDir);
asfPrintStatus("Temp dir is: %s\n", tmpDir);
// Calculate ratio image
char tmpRatio[512], tmpRed[512], tmpGreen[512], tmpBlue[512], tmpIn[512];
char *inFiles[2];
inFiles[0] = (char *) MALLOC(sizeof(char)*255);
inFiles[1] = (char *) MALLOC(sizeof(char)*255);
strcpy(inFiles[0], infile1);
strcpy(inFiles[1], infile2);
sprintf(tmpRatio, "%s%cdiv.img", tmpDir, DIR_SEPARATOR);
raster_calc(tmpRatio, "a/b", 2, inFiles);
// Resample all three bands and scale to byte
meta_parameters *metaIn = meta_read(tmpRatio);
double scaleFactor = 1.0/(scale/metaIn->general->x_pixel_size);
meta_free(metaIn);
sprintf(tmpIn, "%s%cred.img", tmpDir, DIR_SEPARATOR);
resample(infile1, tmpIn, scaleFactor, scaleFactor);
sprintf(tmpRed, "%s%cred_byte.img", tmpDir, DIR_SEPARATOR);
floats_to_bytes_from_file(tmpIn, tmpRed, NULL, -40.0, SIGMA);
sprintf(tmpIn, "%s%cgreen.img", tmpDir, DIR_SEPARATOR);
resample(infile2, tmpIn, scaleFactor, scaleFactor);
sprintf(tmpGreen, "%s%cgreen_byte.img", tmpDir, DIR_SEPARATOR);
floats_to_bytes_from_file(tmpIn, tmpGreen, NULL, -40.0, SIGMA);
sprintf(tmpIn, "%s%cblue.img", tmpDir, DIR_SEPARATOR);
resample(tmpRatio, tmpIn, scaleFactor, scaleFactor);
sprintf(tmpBlue, "%s%cblue_byte.img", tmpDir, DIR_SEPARATOR);
floats_to_bytes_from_file(tmpIn, tmpBlue, NULL, -40.0, SIGMA);
// Layer stack the bands
char tmpBrowse[512];
sprintf(tmpBrowse, "%s%cbrowse.img", tmpDir, DIR_SEPARATOR);
FILE *fpOut = FOPEN(tmpBrowse, "w");
meta_parameters *metaOut = meta_read(tmpRed);
metaOut->general->band_count = 3;
metaIn = meta_read(tmpRed);
int line_count = metaIn->general->line_count;
int sample_count = metaIn->general->sample_count;
float *buf = (float *) MALLOC(sizeof(float)*line_count*sample_count);
FILE *fpIn = FOPEN(tmpBlue, "r");
get_float_lines(fpIn, metaIn, 0, line_count, buf);
put_band_float_lines(fpOut, metaOut, 0, 0, line_count, buf);
FCLOSE(fpIn);
fpIn = FOPEN(tmpGreen, "r");
get_float_lines(fpIn, metaIn, 0, line_count, buf);
put_band_float_lines(fpOut, metaOut, 1, 0, line_count, buf);
FCLOSE(fpIn);
fpIn = FOPEN(tmpRed, "r");
get_float_lines(fpIn, metaIn, 0, line_count, buf);
put_band_float_lines(fpOut, metaOut, 2, 0, line_count, buf);
FCLOSE(fpIn);
FCLOSE(fpOut);
FREE(buf);
strcpy(metaOut->general->bands, "red,green,blue");
meta_write(metaOut, tmpBrowse);
// Export to GeoTIFF
char *band_names[3] = { "blue", "green", "red" };
asf_export_bands(GEOTIFF, NONE, TRUE, FALSE, FALSE, FALSE, FALSE,
tmpBrowse, outfile, band_names, NULL, NULL);
// Clean up
asfPrintStatus("Removing temporary directory: %s\n", tmpDir);
remove_dir(tmpDir);
meta_free(metaIn);
meta_free(metaOut);
}
else
asfPrintError("Mode is not defined!\n");
asfPrintStatus("Done.\n");
exit(EXIT_SUCCESS);
}
void doit(void)
{
int child;
int children_left;
child_status = (int *)mmap( 0,
n_threads * sizeof(*child_status),
PROT_READ|PROT_WRITE,
MAP_SHARED|MAP_ANONYMOUS,
-1,
0);
if (child_status == MAP_FAILED) {
perror("mmap");
exit(1);
}
memset(child_status, 0, n_threads * sizeof(*child_status));
thread_group = -1;
for (this_child_index = 0;
this_child_index < n_threads; this_child_index++)
{
if (this_child_index % threads_per_dir == 0) {
thread_group++;
make_dir();
}
if (fork() == 0) {
int iter;
for (iter = 0; iter < n_iters; iter++)
do_child();
child_status[this_child_index] = 1;
exit(0);
}
}
/* Parent */
children_left = n_threads;
while (children_left) {
int status;
if( wait3(&status, 0, 0) < 0 ) {
if( errno != EINTR ) {
perror("wait3");
exit(1);
}
continue;
}
for (child = 0; child < n_threads; child++) {
if (child_status[child] == 1) {
child_status[child] = 2;
printf("*");
fflush(stdout);
children_left--;
}
}
}
for (thread_group = 0;
thread_group < ( n_threads / threads_per_dir );
thread_group++ )
remove_dir();
printf("\n");
}
int test_c2v(char *inFile, const char *inFormat_str,
char *outFile, const char *outFormat_str)
{
int ret = 0;
int listFlag = 0;
format_type_t inFormat = str2format(inFormat_str);
format_type_t outFormat = str2format(outFormat_str);
char *tmpFile = (char *) MALLOC(sizeof(char)*255);
char *tmpDir = (char *) MALLOC(sizeof(char)*512);
// Convert the formats forth and back, otherwise back out
if (inFormat == POINT && outFormat == KMLFILE) {
setup_test_dir(tmpDir);
sprintf(tmpFile, "%s/point.kml", tmpDir);
ret = point2kml(inFile, tmpFile, listFlag);
if (ret)
ret = kml2point(tmpFile, outFile, listFlag);
}
else if (inFormat == POINT && outFormat == SHAPEFILE) {
setup_test_dir(tmpDir);
sprintf(tmpFile, "%s/point", tmpDir);
ret = point2shape(inFile, tmpFile, listFlag);
if (ret)
ret = shape2point(tmpFile, outFile, listFlag);
}
else if (inFormat == POLYGON && outFormat == KMLFILE) {
setup_test_dir(tmpDir);
sprintf(tmpFile, "%s/polygon.kml", tmpDir);
ret = polygon2kml(inFile, tmpFile, listFlag);
if (ret)
ret = kml2polygon(tmpFile, outFile, listFlag);
}
else if (inFormat == POLYGON && outFormat == SHAPEFILE) {
setup_test_dir(tmpDir);
sprintf(tmpFile, "%s/polygon", tmpDir);
ret = polygon2shape(inFile, tmpFile, listFlag);
if (ret)
ret = shape2polygon(tmpFile, outFile, listFlag);
}
else if (inFormat == CSV && outFormat == KMLFILE) {
setup_test_dir(tmpDir);
sprintf(tmpFile, "%s/csv.kml", tmpDir);
ret = csv2kml(inFile, tmpFile, listFlag);
if (ret)
ret = kml2csv(tmpFile, outFile, listFlag);
}
else if (inFormat == CSV && outFormat == SHAPEFILE) {
setup_test_dir(tmpDir);
sprintf(tmpFile, "%s/csv", tmpDir);
ret = csv2shape(inFile, tmpFile, listFlag);
if (ret)
ret = shape2csv(tmpFile, outFile, listFlag);
}
else if (inFormat == AUIG && outFormat == KMLFILE) {
setup_test_dir(tmpDir);
sprintf(tmpFile, "%s/auig.kml", tmpDir);
ret = auig2kml(inFile, tmpFile, listFlag);
if (ret)
ret = kml2auig(tmpFile, outFile, listFlag);
}
else if (inFormat == KMLFILE && outFormat == POINT) {
setup_test_dir(tmpDir);
sprintf(tmpFile, "%s/point.csv", tmpDir);
ret = kml2point(inFile, tmpFile, listFlag);
if (ret)
ret = point2kml(tmpFile, outFile, listFlag);
}
else if (inFormat == KMLFILE && outFormat == POLYGON) {
setup_test_dir(tmpDir);
sprintf(tmpFile, "%s/polygon.csv", tmpDir);
ret = kml2polygon(inFile, tmpFile, listFlag);
if (ret)
ret = polygon2kml(tmpFile, outFile, listFlag);
}
else if (inFormat == KMLFILE && outFormat == CSV) {
setup_test_dir(tmpDir);
sprintf(tmpFile, "%s/generic.csv", tmpDir);
ret = kml2csv(inFile, tmpFile, listFlag);
if (ret)
ret = csv2kml(tmpFile, outFile, listFlag);
}
else if (inFormat == KMLFILE && outFormat == AUIG) {
setup_test_dir(tmpDir);
sprintf(tmpFile, "%s/auig.csv", tmpDir);
ret = kml2auig(inFile, tmpFile, listFlag);
if (ret)
ret = auig2kml(tmpFile, outFile, listFlag);
}
else if (inFormat == SHAPEFILE && outFormat == POINT) {
setup_test_dir(tmpDir);
sprintf(tmpFile, "%s/point.csv", tmpDir);
ret = shape2point(inFile, tmpFile, listFlag);
if (ret)
ret = point2shape(tmpFile, outFile, listFlag);
}
else if (inFormat == SHAPEFILE && outFormat == POLYGON) {
setup_test_dir(tmpDir);
sprintf(tmpFile, "%s/polygon.csv", tmpDir);
ret = shape2polygon(inFile, tmpFile, listFlag);
if (ret)
ret = polygon2shape(tmpFile, outFile, listFlag);
}
else if (inFormat == SHAPEFILE && outFormat == CSV) {
setup_test_dir(tmpDir);
sprintf(tmpFile, "%s/generic.csv", tmpDir);
ret = shape2csv(inFile, tmpFile, listFlag);
if (ret)
ret = csv2shape(tmpFile, outFile, listFlag);
}
else
asfPrintError("Conversion irreversible. Can't perform test\n");
// Clean up
remove_dir(tmpDir);
FREE(tmpFile);
FREE(tmpDir);
return ret;
}
/* Paste the clipboard to the current directory */
static bool clipboard_paste(void)
{
char target[MAX_PATH];
char *cwd, *nameptr;
bool success;
static const char *lines[]={ID2P(LANG_REALLY_OVERWRITE)};
static const struct text_message message={lines, 1};
/* Get the name of the current directory */
cwd = getcwd(NULL, 0);
/* Figure out the name of the selection */
nameptr = strrchr(clipboard_selection, '/');
/* Final target is current directory plus name of selection */
snprintf(target, sizeof(target), "%s%s", cwd[1] ? cwd : "", nameptr);
/* If the target existed but they choose not to overwite, exit */
if (file_exists(target) &&
(gui_syncyesno_run(&message, NULL, NULL) == YESNO_NO)) {
return false;
}
if (clipboard_is_copy) {
splash(0, ID2P(LANG_COPYING));
}
else
{
splash(0, ID2P(LANG_MOVING));
}
/* Now figure out what we're doing */
cpu_boost(true);
if (clipboard_selection_attr & ATTR_DIRECTORY) {
/* Recursion. Set up external stack */
char srcpath[MAX_PATH];
char targetpath[MAX_PATH];
if (!strncmp(clipboard_selection, target, strlen(clipboard_selection)))
{
/* Do not allow the user to paste a directory into a dir they are
copying */
success = 0;
}
else
{
strlcpy(srcpath, clipboard_selection, sizeof(srcpath));
strlcpy(targetpath, target, sizeof(targetpath));
success = clipboard_pastedirectory(srcpath, sizeof(srcpath),
target, sizeof(targetpath), clipboard_is_copy);
if (success && !clipboard_is_copy)
{
strlcpy(srcpath, clipboard_selection, sizeof(srcpath));
remove_dir(srcpath, sizeof(srcpath));
}
}
} else {
success = clipboard_pastefile(clipboard_selection, target,
clipboard_is_copy);
}
cpu_boost(false);
/* Did it work? */
if (success) {
/* Reset everything */
clipboard_selection[0] = 0;
clipboard_selection_attr = 0;
clipboard_is_copy = false;
/* Force reload of the current directory */
onplay_result = ONPLAY_RELOAD_DIR;
} else {
cond_talk_ids_fq(LANG_PASTE, LANG_FAILED);
splashf(HZ, (unsigned char *)"%s %s", str(LANG_PASTE),
str(LANG_FAILED));
}
return true;
}
/* Paste a directory to a new location. Designed to be called by
clipboard_paste */
static bool clipboard_pastedirectory(char *src, int srclen, char *target,
int targetlen, bool copy)
{
DIR *srcdir;
int srcdirlen = strlen(src);
int targetdirlen = strlen(target);
bool result = true;
if (!file_exists(target)) {
if (!copy) {
/* Just move the directory */
result = rename(src, target) == 0;
#ifdef HAVE_MULTIVOLUME
if (!result && errno == EXDEV) {
/* Try a copy as we're going across devices */
result = clipboard_pastedirectory(src, srclen, target,
targetlen, true);
/* If it worked, remove the source directory */
if (result) {
remove_dir(src, srclen);
}
}
#endif
return result;
} else {
/* Make a directory to copy things to */
result = mkdir(target) == 0;
}
}
/* Check if something went wrong already */
if (!result) {
return result;
}
srcdir = opendir(src);
if (!srcdir) {
return false;
}
/* This loop will exit as soon as there's a problem */
while(result)
{
struct dirent* entry;
/* walk through the directory content */
entry = readdir(srcdir);
if (!entry)
break;
struct dirinfo info = dir_get_info(srcdir, entry);
/* append name to current directory */
snprintf(src+srcdirlen, srclen-srcdirlen, "/%s", entry->d_name);
snprintf(target+targetdirlen, targetlen-targetdirlen, "/%s",
entry->d_name);
DEBUGF("Copy %s to %s\n", src, target);
if (info.attribute & ATTR_DIRECTORY)
{ /* copy/move a subdirectory */
if (!strcmp((char *)entry->d_name, ".") ||
!strcmp((char *)entry->d_name, ".."))
continue; /* skip these */
result = clipboard_pastedirectory(src, srclen, target, targetlen,
copy); /* recursion */
}
else
{ /* copy/move a file */
draw_slider();
result = clipboard_pastefile(src, target, copy);
}
}
closedir(srcdir);
if (result) {
src[srcdirlen] = '\0'; /* terminate to original length */
target[targetdirlen] = '\0'; /* terminate to original length */
}
return result;
}
/* argc, *argv[] assume usual meaning */
int main(int argc, char *argv[])
{
char buf[BUFSIZE+1]; /* temporary buffer for storing the line input */
char pwd[BUFSIZE+1]; /* stores the present working directory */
char errstr[BUFSIZE+1]; /* stores the error occured */
char *tok[ARGNUM]; /* for storing the tokens */
int n, i; /* n will store the no. of tokens starting from 0 */
int returnval; /* used by wait() */
// n = ARGNUM-1;
signal(SIGINT, SIG_IGN);
signal(SIGINT, ignore_line); /* ignore current line on Ctrl-C */
while (1)
{
/* very important: */
/* reset the state to -1 */
state = -1;
/* reset the token array */
for (i = 0; i <= n; i++)
tok[i] = "\0";
/* reset the buffer */
for (i = 0; i <= BUFSIZE; i++)
buf[i] = '\0';
/* print the prompt with the pwd */
set_prompt();
/* read input from STDIN */
read(STDIN_FILENO, buf, BUFSIZE);
#ifdef DEBUG
{
fprintf(stderr, "buf: %s", buf); /* no newline is given because buf includes newline from read() */
}
#endif
/* extract the first token (the command)*/
tok[0] = strtok(buf, DELIMS);
n = 1;
/* extract the remaining tokens */
while ((tok[n] = strtok(NULL, DELIMS)) != NULL) /* sending NULL in subsequent strtok calls will return the remaining tokens */
n++;
tok[n] = NULL; /* very importatnt to set the last token as NULL, for specifying the end of tokens */
n--; /* remove the extra 1 that is added to n */
/* if debug mode is on, print all tokens */
#ifdef DEBUG
{
i = 0;
fprintf(stderr, "tokenizing buf\n");
fprintf(stderr, "n: %d\n", n);
while (i <= n)
{
fprintf(stderr, "tok[%d]: %s\n", i, tok[i]);
i++;
}
fprintf(stderr, "looking up on token: %s\n", tok[0]);
}
#endif
/* lookup on the first token */
for (i = _EXIT; i < CMDNUM; i++)
if (strcmp(tok[0], cmd[i]) == 0)
state = i; /* set the state to its command equivalent */
/* switch to a state (execute a command) based on the token */
switch (state)
{
case _EXIT:
return 0;
case _SYS:
switch (fork()) /* is this the child process? */
{
case 0:
returnval = execvp(tok[1], &tok[1]); /* tok[1] because tok[0] would contain sys */
exit(returnval); /* child always exits with 200 on success */
default:
wait(&returnval);
}
/* wait till the first child process dies */
wait(&returnval);
break;
case _LS:
list_dir(n, tok);
break;
case _ECHO:
for(i = 1; i <= n; i++)
fprintf(stdout, "%s ", tok[i]);
fprintf(stdout, "\n");
break;
case _PWD:
getcwd(pwd, BUFSIZE);
fprintf(stdout, "%s\n", pwd);
break;
case _CLEAR:
system(tok[0]);
break;
case _CD:
/* if no argument is given, change to home directory */
if (n == 0)
if (chdir((char *)getenv("HOME")) == -1)
perror("cd");
else
{ if (chdir(tok[1]) == -1)
perror("cd");}
break;
case _CAT:
cat(n, tok);
break;
case _MKDIR:
create_dir(n, tok);
break;
case _RMDIR:
remove_dir(n, tok);
break;
case _HELP:
/* print a list of commands with basic usage help */
fprintf(stdout, "You are running Dhanu-sh\nType 'help (command)' for more details\n");
if (n == 0)
{
fprintf(stdout, "The following commands are available:\n");
for (i = 0; i < CMDNUM; i++)
fprintf(stdout, " %s\n", cmd[i]);
}
else
{
for (i = 0; i < CMDNUM; i++)
if (strcmp(cmd[i], tok[1]) == 0)
fprintf(stdout, " %s usage: %s\n%s \n", cmd[i], usage[i], desc[i]);
}
break;
case _RM:
remove_file(n, tok);
break;
case _CHROOT:
change_root(n, tok);
break;
case _MV:
move(n, tok);
break;
case _CP:
copy_file(n, tok);
break;
default:
switch (fork())
{
case 0:
returnval = execvp(tok[0], &tok[0]);
fprintf(stderr, "%s: No such file or directory\n", tok[0]);
exit(returnval);
default:
wait(&returnval);
}
}
}
return 0;
}