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This commit is contained in:
Eric Andersen 1999-11-19 05:42:32 +00:00
parent 6a76e652aa
commit e1850ddde4
3 changed files with 62 additions and 63 deletions
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23
busybox.def.h
View File

@ -65,13 +65,22 @@
// that compiles to 0 if everything else if turned off.
#define BB_UTILITY
//
//This is where feature definitions go.
//
//
// This is where feature definitions go. Generally speaking,
// turning this stuff off makes things a bit smaller (and less
// pretty/useful).
//
//
//Enable init being called as /linuxrc
#define BB_FEATURE_LINUXRC
/* Turning this off makes things a bit smaller (and less pretty) */
// Use termios to manipulate the screen (more is much pretties with this on)
#define BB_FEATURE_USE_TERMIOS
/* Turning this off makes things a bit smaller (and less pretty) */
// calculate terminal & column widths
#define BB_FEATURE_AUTOWIDTH
// show username/groupnames (bypasses libc6 NSS)
#define BB_FEATURE_LS_USERNAME
// show file timestamps
#define BB_FEATURE_LS_TIMESTAMPS
// enable ls -p and -F
#define BB_FEATURE_LS_FILETYPES

51
coreutils/ls.c
View File

@ -40,11 +40,6 @@
* 1. requires lstat (BSD) - how do you do it without?
*/
#define FEATURE_USERNAME /* show username/groupnames (bypasses libc6 NSS) */
#define FEATURE_TIMESTAMPS /* show file timestamps */
#define FEATURE_AUTOWIDTH /* calculate terminal & column widths */
#define FEATURE_FILETYPECHAR /* enable -p and -F */
#define TERMINAL_WIDTH 80 /* use 79 if your terminal has linefold bug */
#define COLUMN_WIDTH 14 /* default if AUTOWIDTH not defined */
#define COLUMN_GAP 2 /* includes the file type char, if present */
@ -64,13 +59,13 @@
#include <dirent.h>
#include <errno.h>
#include <stdio.h>
#ifdef FEATURE_TIMESTAMPS
#ifdef BB_FEATURE_LS_TIMESTAMPS
#include <time.h>
#endif
#define TYPEINDEX(mode) (((mode) >> 12) & 0x0f)
#define TYPECHAR(mode) ("0pcCd?bB-?l?s???" [TYPEINDEX(mode)])
#ifdef FEATURE_FILETYPECHAR
#ifdef BB_FEATURE_LS_FILETYPES
#define APPCHAR(mode) ("\0|\0\0/\0\0\0\0\0@\0=\0\0\0" [TYPEINDEX(mode)])
#endif
@ -103,14 +98,14 @@ static unsigned char display_fmt = FMT_AUTO;
static unsigned short opts = 0;
static unsigned short column = 0;
#ifdef FEATURE_AUTOWIDTH
#ifdef BB_FEATURE_AUTOWIDTH
static unsigned short terminal_width = 0, column_width = 0;
#else
#define terminal_width TERMINAL_WIDTH
#define column_width COLUMN_WIDTH
#endif
#ifdef FEATURE_TIMESTAMPS
#ifdef BB_FEATURE_LS_TIMESTAMPS
static unsigned char time_fmt = TIME_MOD;
#endif
@ -163,7 +158,7 @@ static void tab(short col)
#undef nspaces
}
#ifdef FEATURE_FILETYPECHAR
#ifdef BB_FEATURE_LS_FILETYPES
static char append_char(mode_t mode)
{
if (!(opts & DISP_FTYPE))
@ -185,7 +180,7 @@ static void list_single(const char *name, struct stat *info, const char *fullnam
{
char scratch[PATH_MAX];
short len = strlen(name);
#ifdef FEATURE_FILETYPECHAR
#ifdef BB_FEATURE_LS_FILETYPES
char append = append_char(info->st_mode);
#endif
@ -196,7 +191,7 @@ static void list_single(const char *name, struct stat *info, const char *fullnam
column=10;
writenum((long)info->st_nlink,(short)5);
fputs(" ", stdout);
#ifdef FEATURE_USERNAME
#ifdef BB_FEATURE_LS_USERNAME
if (!(opts & DISP_NUMERIC)) {
scratch[8]='\0';
my_getpwuid( scratch, info->st_uid);
@ -208,7 +203,7 @@ static void list_single(const char *name, struct stat *info, const char *fullnam
#endif
writenum((long)info->st_uid,(short)0);
tab(16);
#ifdef FEATURE_USERNAME
#ifdef BB_FEATURE_LS_USERNAME
if (!(opts & DISP_NUMERIC)) {
scratch[8]='\0';
my_getgrgid( scratch, info->st_gid);
@ -228,7 +223,7 @@ static void list_single(const char *name, struct stat *info, const char *fullnam
else
writenum((long)info->st_size,(short)8);
fputs(" ", stdout);
#ifdef FEATURE_TIMESTAMPS
#ifdef BB_FEATURE_LS_TIMESTAMPS
{
time_t cal;
char *string;
@ -264,7 +259,7 @@ static void list_single(const char *name, struct stat *info, const char *fullnam
wr(" -> ", 4);
len = readlink(fullname, scratch, sizeof scratch);
if (len > 0) fwrite(scratch, 1, len, stdout);
#ifdef FEATURE_FILETYPECHAR
#ifdef BB_FEATURE_LS_FILETYPES
/* show type of destination */
if (opts & DISP_FTYPE) {
if (!stat(fullname, info)) {
@ -275,7 +270,7 @@ static void list_single(const char *name, struct stat *info, const char *fullnam
}
#endif
}
#ifdef FEATURE_FILETYPECHAR
#ifdef BB_FEATURE_LS_FILETYPES
else if (append)
wr(&append, 1);
#endif
@ -289,7 +284,7 @@ static void list_single(const char *name, struct stat *info, const char *fullnam
newline();
else {
if (nexttab + column_width > terminal_width
#ifndef FEATURE_AUTOWIDTH
#ifndef BB_FEATURE_AUTOWIDTH
|| nexttab + len >= terminal_width
#endif
)
@ -298,7 +293,7 @@ static void list_single(const char *name, struct stat *info, const char *fullnam
tab(nexttab);
}
/* work out where next column starts */
#ifdef FEATURE_AUTOWIDTH
#ifdef BB_FEATURE_AUTOWIDTH
/* we know the calculated width is big enough */
nexttab = column + column_width + COLUMN_GAP;
#else
@ -311,7 +306,7 @@ static void list_single(const char *name, struct stat *info, const char *fullnam
/* now write the data */
wr(name, len);
column = column + len;
#ifdef FEATURE_FILETYPECHAR
#ifdef BB_FEATURE_LS_FILETYPES
if (append)
wr(&append, 1), column++;
#endif
@ -352,7 +347,7 @@ static int list_item(const char *name)
dir = opendir(name);
if (!dir) goto listerr;
#ifdef FEATURE_AUTOWIDTH
#ifdef BB_FEATURE_AUTOWIDTH
column_width = 0;
while ((entry = readdir(dir)) != NULL) {
short w = strlen(entry->d_name);
@ -403,22 +398,22 @@ listerr:
}
static const char ls_usage[] = "ls [-1a"
#ifdef FEATURE_TIMESTAMPS
#ifdef BB_FEATURE_LS_TIMESTAMPS
"c"
#endif
"d"
#ifdef FEATURE_TIMESTAMPS
#ifdef BB_FEATURE_LS_TIMESTAMPS
"e"
#endif
"ln"
#ifdef FEATURE_FILETYPECHAR
#ifdef BB_FEATURE_LS_FILETYPES
"p"
#endif
#ifdef FEATURE_TIMESTAMPS
#ifdef BB_FEATURE_LS_TIMESTAMPS
"u"
#endif
"xAC"
#ifdef FEATURE_FILETYPECHAR
#ifdef BB_FEATURE_LS_FILETYPES
"F"
#endif
#ifdef FEATURE_RECURSIVE
@ -451,7 +446,7 @@ ls_main(int argc, char * * argv)
case '1': display_fmt = FMT_SINGLE; break;
case 'x': display_fmt = FMT_ROWS; break;
case 'C': display_fmt = FMT_COLUMNS; break;
#ifdef FEATURE_FILETYPECHAR
#ifdef BB_FEATURE_LS_FILETYPES
case 'p': opts |= DISP_FTYPE; break;
case 'F': opts |= DISP_FTYPE|DISP_EXEC; break;
#endif
@ -462,7 +457,7 @@ ls_main(int argc, char * * argv)
#ifdef FEATURE_RECURSIVE
case 'R': opts |= DIR_RECURSE; break;
#endif
#ifdef FEATURE_TIMESTAMPS
#ifdef BB_FEATURE_LS_TIMESTAMPS
case 'u': time_fmt = TIME_ACCESS; break;
case 'c': time_fmt = TIME_CHANGE; break;
case 'e': opts |= DISP_FULLTIME; break;
@ -478,7 +473,7 @@ ls_main(int argc, char * * argv)
display_fmt = isatty(fileno(stdout)) ? FMT_COLUMNS : FMT_SINGLE;
if (argi < argc - 1)
opts |= DISP_DIRNAME; /* 2 or more items? label directories */
#ifdef FEATURE_AUTOWIDTH
#ifdef BB_FEATURE_AUTOWIDTH
/* could add a -w option and/or TIOCGWINSZ call */
if (terminal_width < 1) terminal_width = TERMINAL_WIDTH;

51
ls.c
View File

@ -40,11 +40,6 @@
* 1. requires lstat (BSD) - how do you do it without?
*/
#define FEATURE_USERNAME /* show username/groupnames (bypasses libc6 NSS) */
#define FEATURE_TIMESTAMPS /* show file timestamps */
#define FEATURE_AUTOWIDTH /* calculate terminal & column widths */
#define FEATURE_FILETYPECHAR /* enable -p and -F */
#define TERMINAL_WIDTH 80 /* use 79 if your terminal has linefold bug */
#define COLUMN_WIDTH 14 /* default if AUTOWIDTH not defined */
#define COLUMN_GAP 2 /* includes the file type char, if present */
@ -64,13 +59,13 @@
#include <dirent.h>
#include <errno.h>
#include <stdio.h>
#ifdef FEATURE_TIMESTAMPS
#ifdef BB_FEATURE_LS_TIMESTAMPS
#include <time.h>
#endif
#define TYPEINDEX(mode) (((mode) >> 12) & 0x0f)
#define TYPECHAR(mode) ("0pcCd?bB-?l?s???" [TYPEINDEX(mode)])
#ifdef FEATURE_FILETYPECHAR
#ifdef BB_FEATURE_LS_FILETYPES
#define APPCHAR(mode) ("\0|\0\0/\0\0\0\0\0@\0=\0\0\0" [TYPEINDEX(mode)])
#endif
@ -103,14 +98,14 @@ static unsigned char display_fmt = FMT_AUTO;
static unsigned short opts = 0;
static unsigned short column = 0;
#ifdef FEATURE_AUTOWIDTH
#ifdef BB_FEATURE_AUTOWIDTH
static unsigned short terminal_width = 0, column_width = 0;
#else
#define terminal_width TERMINAL_WIDTH
#define column_width COLUMN_WIDTH
#endif
#ifdef FEATURE_TIMESTAMPS
#ifdef BB_FEATURE_LS_TIMESTAMPS
static unsigned char time_fmt = TIME_MOD;
#endif
@ -163,7 +158,7 @@ static void tab(short col)
#undef nspaces
}
#ifdef FEATURE_FILETYPECHAR
#ifdef BB_FEATURE_LS_FILETYPES
static char append_char(mode_t mode)
{
if (!(opts & DISP_FTYPE))
@ -185,7 +180,7 @@ static void list_single(const char *name, struct stat *info, const char *fullnam
{
char scratch[PATH_MAX];
short len = strlen(name);
#ifdef FEATURE_FILETYPECHAR
#ifdef BB_FEATURE_LS_FILETYPES
char append = append_char(info->st_mode);
#endif
@ -196,7 +191,7 @@ static void list_single(const char *name, struct stat *info, const char *fullnam
column=10;
writenum((long)info->st_nlink,(short)5);
fputs(" ", stdout);
#ifdef FEATURE_USERNAME
#ifdef BB_FEATURE_LS_USERNAME
if (!(opts & DISP_NUMERIC)) {
scratch[8]='\0';
my_getpwuid( scratch, info->st_uid);
@ -208,7 +203,7 @@ static void list_single(const char *name, struct stat *info, const char *fullnam
#endif
writenum((long)info->st_uid,(short)0);
tab(16);
#ifdef FEATURE_USERNAME
#ifdef BB_FEATURE_LS_USERNAME
if (!(opts & DISP_NUMERIC)) {
scratch[8]='\0';
my_getgrgid( scratch, info->st_gid);
@ -228,7 +223,7 @@ static void list_single(const char *name, struct stat *info, const char *fullnam
else
writenum((long)info->st_size,(short)8);
fputs(" ", stdout);
#ifdef FEATURE_TIMESTAMPS
#ifdef BB_FEATURE_LS_TIMESTAMPS
{
time_t cal;
char *string;
@ -264,7 +259,7 @@ static void list_single(const char *name, struct stat *info, const char *fullnam
wr(" -> ", 4);
len = readlink(fullname, scratch, sizeof scratch);
if (len > 0) fwrite(scratch, 1, len, stdout);
#ifdef FEATURE_FILETYPECHAR
#ifdef BB_FEATURE_LS_FILETYPES
/* show type of destination */
if (opts & DISP_FTYPE) {
if (!stat(fullname, info)) {
@ -275,7 +270,7 @@ static void list_single(const char *name, struct stat *info, const char *fullnam
}
#endif
}
#ifdef FEATURE_FILETYPECHAR
#ifdef BB_FEATURE_LS_FILETYPES
else if (append)
wr(&append, 1);
#endif
@ -289,7 +284,7 @@ static void list_single(const char *name, struct stat *info, const char *fullnam
newline();
else {
if (nexttab + column_width > terminal_width
#ifndef FEATURE_AUTOWIDTH
#ifndef BB_FEATURE_AUTOWIDTH
|| nexttab + len >= terminal_width
#endif
)
@ -298,7 +293,7 @@ static void list_single(const char *name, struct stat *info, const char *fullnam
tab(nexttab);
}
/* work out where next column starts */
#ifdef FEATURE_AUTOWIDTH
#ifdef BB_FEATURE_AUTOWIDTH
/* we know the calculated width is big enough */
nexttab = column + column_width + COLUMN_GAP;
#else
@ -311,7 +306,7 @@ static void list_single(const char *name, struct stat *info, const char *fullnam
/* now write the data */
wr(name, len);
column = column + len;
#ifdef FEATURE_FILETYPECHAR
#ifdef BB_FEATURE_LS_FILETYPES
if (append)
wr(&append, 1), column++;
#endif
@ -352,7 +347,7 @@ static int list_item(const char *name)
dir = opendir(name);
if (!dir) goto listerr;
#ifdef FEATURE_AUTOWIDTH
#ifdef BB_FEATURE_AUTOWIDTH
column_width = 0;
while ((entry = readdir(dir)) != NULL) {
short w = strlen(entry->d_name);
@ -403,22 +398,22 @@ listerr:
}
static const char ls_usage[] = "ls [-1a"
#ifdef FEATURE_TIMESTAMPS
#ifdef BB_FEATURE_LS_TIMESTAMPS
"c"
#endif
"d"
#ifdef FEATURE_TIMESTAMPS
#ifdef BB_FEATURE_LS_TIMESTAMPS
"e"
#endif
"ln"
#ifdef FEATURE_FILETYPECHAR
#ifdef BB_FEATURE_LS_FILETYPES
"p"
#endif
#ifdef FEATURE_TIMESTAMPS
#ifdef BB_FEATURE_LS_TIMESTAMPS
"u"
#endif
"xAC"
#ifdef FEATURE_FILETYPECHAR
#ifdef BB_FEATURE_LS_FILETYPES
"F"
#endif
#ifdef FEATURE_RECURSIVE
@ -451,7 +446,7 @@ ls_main(int argc, char * * argv)
case '1': display_fmt = FMT_SINGLE; break;
case 'x': display_fmt = FMT_ROWS; break;
case 'C': display_fmt = FMT_COLUMNS; break;
#ifdef FEATURE_FILETYPECHAR
#ifdef BB_FEATURE_LS_FILETYPES
case 'p': opts |= DISP_FTYPE; break;
case 'F': opts |= DISP_FTYPE|DISP_EXEC; break;
#endif
@ -462,7 +457,7 @@ ls_main(int argc, char * * argv)
#ifdef FEATURE_RECURSIVE
case 'R': opts |= DIR_RECURSE; break;
#endif
#ifdef FEATURE_TIMESTAMPS
#ifdef BB_FEATURE_LS_TIMESTAMPS
case 'u': time_fmt = TIME_ACCESS; break;
case 'c': time_fmt = TIME_CHANGE; break;
case 'e': opts |= DISP_FULLTIME; break;
@ -478,7 +473,7 @@ ls_main(int argc, char * * argv)
display_fmt = isatty(fileno(stdout)) ? FMT_COLUMNS : FMT_SINGLE;
if (argi < argc - 1)
opts |= DISP_DIRNAME; /* 2 or more items? label directories */
#ifdef FEATURE_AUTOWIDTH
#ifdef BB_FEATURE_AUTOWIDTH
/* could add a -w option and/or TIOCGWINSZ call */
if (terminal_width < 1) terminal_width = TERMINAL_WIDTH;