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implement -R

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git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@10561 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Johan Danielsson
2001-08-26 10:02:24 +00:00
parent c6004fa808
commit b7e6176ede
1 changed files with 185 additions and 85 deletions
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270
appl/ftp/ftpd/ls.c
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@@ -1,5 +1,5 @@
/*
* Copyright (c) 1999 - 2000 Kungliga Tekniska H<>gskolan
* Copyright (c) 1999 - 2001 Kungliga Tekniska H<>gskolan
* (Royal Institute of Technology, Stockholm, Sweden).
* All rights reserved.
*
@@ -49,14 +49,21 @@ RCSID("$Id$");
#define sec_fprintf2 fprintf
#define sec_fflush fflush
void
builtin_ls(FILE *out, const char *file);
static void list_files(FILE *out, const char **files, int n_files, int flags);
static int parse_flags(const char *options);
int
main(int argc, char **argv)
{
int i;
for(i = 1; i < argc; i++)
builtin_ls(stdout, argv[i]);
int i = 1;
int flags;
if(argc > 1 && argv[1][0] == '-') {
flags = parse_flags(argv[1]);
i = 2;
} else
flags = parse_flags(NULL);
list_files(stdout, (const char **)argv + i, argc - i, flags);
return 0;
}
#endif
@@ -107,7 +114,10 @@ free_fileinfo(struct fileinfo *f)
#define LS_DISP_LONG (1 << 8)
#define LS_DISP_COLUMN (2 << 8)
#define LS_DISP_CROSS (3 << 8)
#define LS_IGNORE_DOTDIR (1 << 10)
#define LS_SHOW_ALL (1 << 10)
#define LS_RECURSIVE (1 << 11)
#define LS_EXTRA_BLANK (1 << 12)
#define LS_SHOW_DIRNAME (1 << 13)
#ifndef S_ISTXT
#define S_ISTXT S_ISVTX
@@ -121,19 +131,25 @@ free_fileinfo(struct fileinfo *f)
#define S_ISLNK(mode) (((mode) & _S_IFMT) == S_IFLNK)
#endif
static size_t
block_convert(size_t blocks)
{
#ifdef S_BLKSIZE
return blocks * S_BLKSIZE / 1024;
#else
return blocks * 512 / 1024;
#endif
}
static void
make_fileinfo(const char *filename, struct fileinfo *file, int flags)
make_fileinfo(FILE *out, const char *filename, struct fileinfo *file, int flags)
{
char buf[128];
int file_type = 0;
struct stat *st = &file->st;
file->inode = st->st_ino;
#ifdef S_BLKSIZE
file->bsize = st->st_blocks * S_BLKSIZE / 1024;
#else
file->bsize = st->st_blocks * 512 / 1024;
#endif
file->bsize = block_convert(st->st_blocks);
if(S_ISDIR(st->st_mode)) {
file->mode[0] = 'd';
@@ -252,7 +268,7 @@ make_fileinfo(const char *filename, struct fileinfo *file, int flags)
buf[n] = '\0';
file->link = strdup(buf);
} else
warn("%s: readlink", filename);
sec_fprintf2(out, "readlink(%s): %s", filename, strerror(errno));
}
}
@@ -449,6 +465,12 @@ list_files(FILE *out, const char **files, int n_files, int flags)
{
struct fileinfo *fi;
int i;
int *dirs = NULL;
size_t total_blocks = 0;
int n_print = 0;
if(n_files > 1)
flags |= LS_SHOW_DIRNAME;
fi = calloc(n_files, sizeof(*fi));
if (fi == NULL) {
@@ -460,12 +482,23 @@ list_files(FILE *out, const char **files, int n_files, int flags)
sec_fprintf2(out, "%s: %s\r\n", files[i], strerror(errno));
fi[i].filename = NULL;
} else {
if((flags & LS_DIRS) == 0 && S_ISDIR(fi[i].st.st_mode)) {
if(n_files > 1)
sec_fprintf2(out, "%s:\r\n", files[i]);
list_dir(out, files[i], flags);
} else {
make_fileinfo(files[i], &fi[i], flags);
int include_in_list = 1;
total_blocks += block_convert(fi[i].st.st_blocks);
if(S_ISDIR(fi[i].st.st_mode)) {
if(dirs == NULL)
dirs = calloc(n_files, sizeof(*dirs));
if(dirs == NULL) {
sec_fprintf2(out, "%s: %s\r\n",
files[i], strerror(errno));
goto out;
}
dirs[i] = 1;
if((flags & LS_DIRS) == 0)
include_in_list = 0;
}
if(include_in_list) {
make_fileinfo(out, files[i], &fi[i], flags);
n_print++;
}
}
}
@@ -522,7 +555,9 @@ list_files(FILE *out, const char **files, int n_files, int flags)
max_inode = log10(max_inode);
max_bsize = log10(max_bsize);
max_n_link = log10(max_n_link);
if(n_print > 0)
sec_fprintf2(out, "total %lu\r\n", (unsigned long)total_blocks);
if(flags & LS_SORT_REVERSE)
for(i = n_files - 1; i >= 0; i--)
print_file(out,
@@ -554,6 +589,7 @@ list_files(FILE *out, const char **files, int n_files, int flags)
} else if(DISP_MODE(flags) == LS_DISP_COLUMN ||
DISP_MODE(flags) == LS_DISP_CROSS) {
int max_len = 0;
int size_len = 0;
int num_files = n_files;
int columns;
int j;
@@ -564,14 +600,30 @@ list_files(FILE *out, const char **files, int n_files, int flags)
}
if(strlen(fi[i].filename) > max_len)
max_len = strlen(fi[i].filename);
if(log10(fi[i].bsize) > size_len)
size_len = log10(fi[i].bsize);
}
columns = 80 / (max_len + 1); /* get space between columns */
max_len = 80 / columns;
if(num_files == 0)
goto next;
if(flags & LS_SIZE) {
columns = 80 / (size_len + 1 + max_len + 1);
max_len = 80 / columns - size_len - 1;
} else {
columns = 80 / (max_len + 1); /* get space between columns */
max_len = 80 / columns;
}
if(flags & LS_SIZE)
sec_fprintf2(out, "total %lu\r\n",
(unsigned long)total_blocks);
if(DISP_MODE(flags) == LS_DISP_CROSS) {
for(i = 0, j = 0; i < n_files; i++) {
if(fi[i].filename == NULL)
continue;
sec_fprintf2(out, "%-*s", max_len, fi[i].filename);
if(flags & LS_SIZE)
sec_fprintf2(out, "%*u %-*s", size_len, fi[i].bsize,
max_len, fi[i].filename);
else
sec_fprintf2(out, "%-*s", max_len, fi[i].filename);
j++;
if(j == columns) {
sec_fprintf2(out, "\r\n");
@@ -579,7 +631,7 @@ list_files(FILE *out, const char **files, int n_files, int flags)
}
}
if(j > 0)
sec_fprintf2(out, "\r\n");
sec_fprintf2(out, "\r\n");
} else {
int skip = (num_files + columns - 1) / columns;
j = 0;
@@ -587,7 +639,11 @@ list_files(FILE *out, const char **files, int n_files, int flags)
for(j = i; j < n_files;) {
while(j < n_files && fi[j].filename == NULL)
j++;
sec_fprintf2(out, "%-*s", max_len, fi[j].filename);
if(flags & LS_SIZE)
sec_fprintf2(out, "%*u %-*s", size_len, fi[j].bsize,
max_len, fi[j].filename);
else
sec_fprintf2(out, "%-*s", max_len, fi[j].filename);
j += skip;
}
sec_fprintf2(out, "\r\n");
@@ -600,9 +656,24 @@ list_files(FILE *out, const char **files, int n_files, int flags)
sec_fprintf2(out, "%s\r\n", fi[i].filename);
}
}
next:
if(((flags & LS_DIRS) == 0 || (flags & LS_RECURSIVE)) && dirs != NULL) {
for(i = 0; i < n_files; i++)
if(dirs[i]) {
if((flags & LS_SHOW_DIRNAME)) {
if ((flags & LS_EXTRA_BLANK))
sec_fprintf2(out, "\r\n");
sec_fprintf2(out, "%s:\r\n", files[i]);
}
list_dir(out, files[i], flags | LS_DIRS | LS_EXTRA_BLANK);
}
}
out:
for(i = 0; i < n_files; i++)
free_fileinfo(&fi[i]);
free(fi);
if(dirs != NULL)
free(dirs);
}
static void
@@ -615,6 +686,22 @@ free_files (char **files, int n)
free (files);
}
static int
hide_file(const char *filename, int flags)
{
if(filename[0] != '.')
return 0;
if((flags & LS_IGNORE_DOT))
return 1;
if(filename[1] == '\0' || (filename[1] == '.' && filename[2] == '\0')) {
if((flags & LS_SHOW_ALL))
return 0;
else
return 1;
}
return 0;
}
static void
list_dir(FILE *out, const char *directory, int flags)
{
@@ -630,15 +717,8 @@ list_dir(FILE *out, const char *directory, int flags)
while((ent = readdir(d)) != NULL) {
void *tmp;
if(ent->d_name[0] == '.') {
if (ent->d_name[1] == 0 && flags & LS_IGNORE_DOTDIR) /* Ignore . */
continue;
if (ent->d_name[1] == '.' && ent->d_name[2] == 0
&& flags & LS_IGNORE_DOTDIR) /* Ignore .. */
continue;
if (flags & LS_IGNORE_DOT)
continue;
}
if(hide_file(ent->d_name, flags))
continue;
tmp = realloc(files, (n_files + 1) * sizeof(*files));
if (tmp == NULL) {
sec_fprintf2(out, "%s: out of memory\r\n", directory);
@@ -657,64 +737,84 @@ list_dir(FILE *out, const char *directory, int flags)
++n_files;
}
closedir(d);
list_files(out, (const char**)files, n_files, flags | LS_DIRS);
list_files(out, (const char**)files, n_files, flags);
}
static int
parse_flags(const char *options)
{
#ifdef TEST
int flags = LS_SORT_NAME | LS_IGNORE_DOT | LS_DISP_COLUMN;
#else
int flags = LS_SORT_NAME | LS_IGNORE_DOT | LS_DISP_LONG;
#endif
const char *p;
if(options == NULL || *options != '-')
return flags;
for(p = options + 1; *p; p++) {
switch(*p) {
case '1':
flags = (flags & ~LS_DISP_MODE);
break;
case 'a':
flags |= LS_SHOW_ALL;
/*FALLTHROUGH*/
case 'A':
flags &= ~LS_IGNORE_DOT;
break;
case 'C':
flags = (flags & ~LS_DISP_MODE) | LS_DISP_COLUMN;
break;
case 'd':
flags |= LS_DIRS;
break;
case 'f':
flags = (flags & ~LS_SORT_MODE);
break;
case 'F':
flags |= LS_TYPE;
break;
case 'i':
flags |= LS_INODE;
break;
case 'l':
flags = (flags & ~LS_DISP_MODE) | LS_DISP_LONG;
break;
case 't':
flags = (flags & ~LS_SORT_MODE) | LS_SORT_MTIME;
break;
case 's':
flags |= LS_SIZE;
break;
case 'S':
flags = (flags & ~LS_SORT_MODE) | LS_SORT_SIZE;
break;
case 'r':
flags |= LS_SORT_REVERSE;
break;
case 'R':
flags |= LS_RECURSIVE;
break;
case 'x':
flags = (flags & ~LS_DISP_MODE) | LS_DISP_CROSS;
break;
}
}
return flags;
}
void
builtin_ls(FILE *out, const char *file)
{
int flags = LS_SORT_NAME | LS_IGNORE_DOT | LS_IGNORE_DOTDIR | LS_DISP_LONG;
int flags;
if(*file == '-') {
const char *p;
for(p = file + 1; *p; p++) {
switch(*p) {
case '1':
flags = (flags & ~LS_DISP_MODE);
break;
case 'a':
flags &= ~(LS_IGNORE_DOT | LS_IGNORE_DOTDIR);
break;
case 'A':
flags &= ~LS_IGNORE_DOT;
break;
case 'C':
flags = (flags & ~LS_DISP_MODE) | LS_DISP_COLUMN;
break;
case 'd':
flags |= LS_DIRS;
break;
case 'f':
flags = (flags & ~LS_SORT_MODE);
break;
case 'F':
flags |= LS_TYPE;
break;
case 'i':
flags |= LS_INODE;
break;
case 'l':
flags = (flags & ~LS_DISP_MODE) | LS_DISP_LONG;
break;
case 't':
flags = (flags & ~LS_SORT_MODE) | LS_SORT_MTIME;
break;
case 's':
flags |= LS_SIZE;
break;
case 'S':
flags = (flags & ~LS_SORT_MODE) | LS_SORT_SIZE;
break;
case 'r':
flags |= LS_SORT_REVERSE;
break;
case 'x':
flags = (flags & ~LS_DISP_MODE) | LS_DISP_CROSS;
break;
}
}
flags = parse_flags(file);
file = ".";
}
} else
flags = parse_flags("");
list_files(out, &file, 1, flags);
sec_fflush(out);
}