cc698b4900
This is a bugfix release with no new features. A number of these fixes were previously merged into our tree. Sponsored by: DARPA, AFRL
489 lines
12 KiB
C
489 lines
12 KiB
C
/*
|
|
* tw.color.c: builtin color ls-F
|
|
*/
|
|
/*-
|
|
* Copyright (c) 1998 The Regents of the University of California.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. Neither the name of the University nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
#include "sh.h"
|
|
#include "tw.h"
|
|
#include "ed.h"
|
|
#include "tc.h"
|
|
|
|
#ifdef COLOR_LS_F
|
|
|
|
typedef struct {
|
|
const char *s;
|
|
size_t len;
|
|
} Str;
|
|
|
|
|
|
#define VAR(suffix,variable,defaultcolor) \
|
|
{ \
|
|
suffix, variable, { defaultcolor, sizeof(defaultcolor) - 1 }, \
|
|
{ defaultcolor, sizeof(defaultcolor) - 1 } \
|
|
}
|
|
#define NOS '\0' /* no suffix */
|
|
|
|
typedef struct {
|
|
const char suffix;
|
|
const char *variable;
|
|
Str color;
|
|
Str defaultcolor;
|
|
} Variable;
|
|
|
|
static Variable variables[] = {
|
|
VAR('/', "di", "01;34"), /* Directory */
|
|
VAR('@', "ln", "01;36"), /* Symbolic link */
|
|
VAR('&', "or", ""), /* Orphanned symbolic link (defaults to ln) */
|
|
VAR('|', "pi", "33"), /* Named pipe (FIFO) */
|
|
VAR('=', "so", "01;35"), /* Socket */
|
|
VAR('>', "do", "01;35"), /* Door (solaris fast ipc mechanism) */
|
|
VAR('#', "bd", "01;33"), /* Block device */
|
|
VAR('%', "cd", "01;33"), /* Character device */
|
|
VAR('*', "ex", "01;32"), /* Executable file */
|
|
VAR(NOS, "fi", "0"), /* Regular file */
|
|
VAR(NOS, "no", "0"), /* Normal (non-filename) text */
|
|
VAR(NOS, "mi", ""), /* Missing file (defaults to fi) */
|
|
#ifdef IS_ASCII
|
|
VAR(NOS, "lc", "\033["), /* Left code (ASCII) */
|
|
#else
|
|
VAR(NOS, "lc", "\x27["), /* Left code (EBCDIC)*/
|
|
#endif
|
|
VAR(NOS, "rc", "m"), /* Right code */
|
|
VAR(NOS, "ec", ""), /* End code (replaces lc+no+rc) */
|
|
VAR(NOS, "su", ""), /* Setuid file (u+s) */
|
|
VAR(NOS, "sg", ""), /* Setgid file (g+s) */
|
|
VAR(NOS, "tw", ""), /* Sticky and other writable dir (+t,o+w) */
|
|
VAR(NOS, "ow", ""), /* Other writable dir (o+w) but not sticky */
|
|
VAR(NOS, "st", ""), /* Sticky dir (+t) but not other writable */
|
|
VAR(NOS, "rs", "0"), /* Reset to normal color */
|
|
VAR(NOS, "hl", "44;37"), /* Reg file extra hard links, obsolete? */
|
|
VAR(NOS, "mh", "44;37"), /* Reg file extra hard links */
|
|
VAR(NOS, "ca", "30;41"), /* File with capability */
|
|
};
|
|
|
|
#define nvariables (sizeof(variables)/sizeof(variables[0]))
|
|
|
|
enum FileType {
|
|
VDir, VSym, VOrph, VPipe, VSock, VDoor, VBlock, VChr, VExe,
|
|
VFile, VNormal, VMiss, VLeft, VRight, VEnd, VSuid, VSgid, VSticky,
|
|
VOther, Vstird, VReset, Vhard, Vhard2, VCap
|
|
};
|
|
|
|
/*
|
|
* Map from LSCOLORS entry index to Variable array index
|
|
*/
|
|
static const uint8_t map[] = {
|
|
VDir, /* Directory */
|
|
VSym, /* Symbolic Link */
|
|
VSock, /* Socket */
|
|
VPipe, /* Named Pipe */
|
|
VExe, /* Executable */
|
|
VBlock, /* Block Special */
|
|
VChr, /* Character Special */
|
|
VSuid, /* Setuid Executable */
|
|
VSgid, /* Setgid Executable */
|
|
VSticky, /* Directory writable to others and sticky */
|
|
VOther, /* Directory writable to others but not sticky */
|
|
};
|
|
|
|
|
|
|
|
enum ansi {
|
|
ANSI_RESET_ON = 0, /* reset colors/styles (white on black) */
|
|
ANSI_BOLD_ON = 1, /* bold on */
|
|
ANSI_ITALICS_ON = 3, /* italics on */
|
|
ANSI_UNDERLINE_ON = 4, /* underline on */
|
|
ANSI_INVERSE_ON = 7, /* inverse on */
|
|
ANSI_STRIKETHROUGH_ON = 9, /* strikethrough on */
|
|
ANSI_BOLD_OFF = 21, /* bold off */
|
|
ANSI_ITALICS_OFF = 23, /* italics off */
|
|
ANSI_UNDERLINE_OFF = 24, /* underline off */
|
|
ANSI_INVERSE_OFF = 27, /* inverse off */
|
|
ANSI_STRIKETHROUGH_OFF = 29,/* strikethrough off */
|
|
ANSI_FG_BLACK = 30, /* fg black */
|
|
ANSI_FG_RED = 31, /* fg red */
|
|
ANSI_FG_GREEN = 32, /* fg green */
|
|
ANSI_FG_YELLOW = 33, /* fg yellow */
|
|
ANSI_FG_BLUE = 34, /* fg blue */
|
|
ANSI_FG_MAGENTA = 35, /* fg magenta */
|
|
ANSI_FG_CYAN = 36, /* fg cyan */
|
|
ANSI_FG_WHITE = 37, /* fg white */
|
|
ANSI_FG_DEFAULT = 39, /* fg default (white) */
|
|
ANSI_BG_BLACK = 40, /* bg black */
|
|
ANSI_BG_RED = 41, /* bg red */
|
|
ANSI_BG_GREEN = 42, /* bg green */
|
|
ANSI_BG_YELLOW = 43, /* bg yellow */
|
|
ANSI_BG_BLUE = 44, /* bg blue */
|
|
ANSI_BG_MAGENTA = 45, /* bg magenta */
|
|
ANSI_BG_CYAN = 46, /* bg cyan */
|
|
ANSI_BG_WHITE = 47, /* bg white */
|
|
ANSI_BG_DEFAULT = 49, /* bg default (black) */
|
|
};
|
|
#define TCSH_BOLD 0x80
|
|
|
|
typedef struct {
|
|
Str extension; /* file extension */
|
|
Str color; /* color string */
|
|
} Extension;
|
|
|
|
static Extension *extensions = NULL;
|
|
static size_t nextensions = 0;
|
|
|
|
static char *colors = NULL;
|
|
int color_context_ls = FALSE; /* do colored ls */
|
|
static int color_context_lsmF = FALSE; /* do colored ls-F */
|
|
|
|
static int getstring (char **, const Char **, Str *, int);
|
|
static void put_color (const Str *);
|
|
static void print_color (const Char *, size_t, Char);
|
|
|
|
/* set_color_context():
|
|
*/
|
|
void
|
|
set_color_context(void)
|
|
{
|
|
struct varent *vp = adrof(STRcolor);
|
|
|
|
if (vp == NULL || vp->vec == NULL) {
|
|
color_context_ls = FALSE;
|
|
color_context_lsmF = FALSE;
|
|
} else if (!vp->vec[0] || vp->vec[0][0] == '\0') {
|
|
color_context_ls = TRUE;
|
|
color_context_lsmF = TRUE;
|
|
} else {
|
|
size_t i;
|
|
|
|
color_context_ls = FALSE;
|
|
color_context_lsmF = FALSE;
|
|
for (i = 0; vp->vec[i]; i++)
|
|
if (Strcmp(vp->vec[i], STRls) == 0)
|
|
color_context_ls = TRUE;
|
|
else if (Strcmp(vp->vec[i], STRlsmF) == 0)
|
|
color_context_lsmF = TRUE;
|
|
}
|
|
}
|
|
|
|
|
|
/* getstring():
|
|
*/
|
|
static int
|
|
getstring(char **dp, const Char **sp, Str *pd, int f)
|
|
{
|
|
const Char *s = *sp;
|
|
char *d = *dp;
|
|
eChar sc;
|
|
|
|
while (*s && (*s & CHAR) != (Char)f && (*s & CHAR) != ':') {
|
|
if ((*s & CHAR) == '\\' || (*s & CHAR) == '^') {
|
|
if ((sc = parseescape(&s)) == CHAR_ERR)
|
|
return 0;
|
|
}
|
|
else
|
|
sc = *s++ & CHAR;
|
|
d += one_wctomb(d, sc);
|
|
}
|
|
|
|
pd->s = *dp;
|
|
pd->len = d - *dp;
|
|
*sp = s;
|
|
*dp = d;
|
|
return *s == (Char)f;
|
|
}
|
|
|
|
static void
|
|
init(size_t colorlen, size_t extnum)
|
|
{
|
|
size_t i;
|
|
|
|
xfree(extensions);
|
|
for (i = 0; i < nvariables; i++)
|
|
variables[i].color = variables[i].defaultcolor;
|
|
if (colorlen == 0 && extnum == 0) {
|
|
extensions = NULL;
|
|
colors = NULL;
|
|
} else {
|
|
extensions = xmalloc(colorlen + extnum * sizeof(*extensions));
|
|
colors = extnum * sizeof(*extensions) + (char *)extensions;
|
|
}
|
|
nextensions = 0;
|
|
}
|
|
|
|
static int
|
|
color(Char x)
|
|
{
|
|
static const char ccolors[] = "abcdefghx";
|
|
char *p;
|
|
if (Isupper(x)) {
|
|
x = Tolower(x);
|
|
}
|
|
|
|
if (x == '\0' || (p = strchr(ccolors, x)) == NULL)
|
|
return -1;
|
|
return 30 + (p - ccolors);
|
|
}
|
|
|
|
static void
|
|
makecolor(char **c, int fg, int bg, Str *v)
|
|
{
|
|
int l;
|
|
if (fg & 0x80)
|
|
l = xsnprintf(*c, 12, "%.2d;%.2d;%.2d;%.2d", ANSI_BOLD_ON,
|
|
fg & ~TCSH_BOLD, (10 + bg) & ~TCSH_BOLD, ANSI_BOLD_OFF);
|
|
l = xsnprintf(*c, 6, "%.2d;%.2d",
|
|
fg & ~TCSH_BOLD, (10 + bg) & ~TCSH_BOLD);
|
|
|
|
v->s = *c;
|
|
v->len = l;
|
|
*c += l + 1;
|
|
}
|
|
|
|
/* parseLSCOLORS():
|
|
* Parse the LSCOLORS environment variable
|
|
*/
|
|
static const Char *xv; /* setjmp clobbering */
|
|
void
|
|
parseLSCOLORS(const Char *value)
|
|
{
|
|
size_t i, len, clen;
|
|
jmp_buf_t osetexit;
|
|
size_t omark;
|
|
xv = value;
|
|
|
|
if (xv == NULL) {
|
|
init(0, 0);
|
|
return;
|
|
}
|
|
|
|
len = Strlen(xv);
|
|
len >>= 1;
|
|
clen = len * 12; /* "??;??;??;??\0" */
|
|
init(clen, 0);
|
|
|
|
/* Prevent from crashing if unknown parameters are given. */
|
|
omark = cleanup_push_mark();
|
|
getexit(osetexit);
|
|
|
|
/* init pointers */
|
|
|
|
if (setexit() == 0) {
|
|
const Char *v = xv;
|
|
char *c = colors;
|
|
|
|
int fg, bg;
|
|
for (i = 0; i < len; i++) {
|
|
fg = color(*v++);
|
|
if (fg == -1)
|
|
stderror(ERR_BADCOLORVAR, v[-1], '?');
|
|
|
|
bg = color(*v++);
|
|
if (bg == -1)
|
|
stderror(ERR_BADCOLORVAR, '?', v[-1]);
|
|
makecolor(&c, fg, bg, &variables[map[i]].color);
|
|
}
|
|
|
|
}
|
|
cleanup_pop_mark(omark);
|
|
resexit(osetexit);
|
|
}
|
|
|
|
/* parseLS_COLORS():
|
|
* Parse the LS_COLORS environment variable
|
|
*/
|
|
void
|
|
parseLS_COLORS(const Char *value)
|
|
{
|
|
size_t i, len;
|
|
const Char *v; /* pointer in value */
|
|
char *c; /* pointer in colors */
|
|
Extension *volatile e; /* pointer in extensions */
|
|
jmp_buf_t osetexit;
|
|
size_t omark;
|
|
|
|
(void) &e;
|
|
|
|
|
|
if (value == NULL) {
|
|
init(0, 0);
|
|
return;
|
|
}
|
|
|
|
len = Strlen(value);
|
|
/* allocate memory */
|
|
i = 1;
|
|
for (v = value; *v; v++)
|
|
if ((*v & CHAR) == ':')
|
|
i++;
|
|
|
|
init(len, i);
|
|
|
|
/* init pointers */
|
|
v = value;
|
|
c = colors;
|
|
e = extensions;
|
|
|
|
/* Prevent from crashing if unknown parameters are given. */
|
|
|
|
omark = cleanup_push_mark();
|
|
getexit(osetexit);
|
|
|
|
if (setexit() == 0) {
|
|
|
|
/* parse */
|
|
while (*v) {
|
|
switch (*v & CHAR) {
|
|
case ':':
|
|
v++;
|
|
continue;
|
|
|
|
case '*': /* :*ext=color: */
|
|
v++;
|
|
if (getstring(&c, &v, &e->extension, '=') &&
|
|
0 < e->extension.len) {
|
|
v++;
|
|
getstring(&c, &v, &e->color, ':');
|
|
e++;
|
|
continue;
|
|
}
|
|
break;
|
|
|
|
default: /* :vl=color: */
|
|
if (v[0] && v[1] && (v[2] & CHAR) == '=') {
|
|
for (i = 0; i < nvariables; i++)
|
|
if ((Char)variables[i].variable[0] == (v[0] & CHAR) &&
|
|
(Char)variables[i].variable[1] == (v[1] & CHAR))
|
|
break;
|
|
if (i < nvariables) {
|
|
v += 3;
|
|
getstring(&c, &v, &variables[i].color, ':');
|
|
continue;
|
|
}
|
|
else
|
|
stderror(ERR_BADCOLORVAR, v[0], v[1]);
|
|
}
|
|
break;
|
|
}
|
|
while (*v && (*v & CHAR) != ':')
|
|
v++;
|
|
}
|
|
}
|
|
|
|
cleanup_pop_mark(omark);
|
|
resexit(osetexit);
|
|
|
|
nextensions = e - extensions;
|
|
}
|
|
|
|
/* put_color():
|
|
*/
|
|
static void
|
|
put_color(const Str *colorp)
|
|
{
|
|
size_t i;
|
|
const char *c = colorp->s;
|
|
int original_output_raw = output_raw;
|
|
|
|
output_raw = TRUE;
|
|
cleanup_push(&original_output_raw, output_raw_restore);
|
|
for (i = colorp->len; 0 < i; i--)
|
|
xputchar(*c++);
|
|
cleanup_until(&original_output_raw);
|
|
}
|
|
|
|
|
|
/* print_color():
|
|
*/
|
|
static void
|
|
print_color(const Char *fname, size_t len, Char suffix)
|
|
{
|
|
size_t i;
|
|
char *filename = short2str(fname);
|
|
char *last = filename + len;
|
|
Str *colorp = &variables[VFile].color;
|
|
|
|
switch (suffix) {
|
|
case '>': /* File is a symbolic link pointing to
|
|
* a directory */
|
|
colorp = &variables[VDir].color;
|
|
break;
|
|
case '+': /* File is a hidden directory [aix] or
|
|
* context dependent [hpux] */
|
|
case ':': /* File is network special [hpux] */
|
|
break;
|
|
default:
|
|
for (i = 0; i < nvariables; i++)
|
|
if (variables[i].suffix != NOS &&
|
|
(Char)variables[i].suffix == suffix) {
|
|
colorp = &variables[i].color;
|
|
break;
|
|
}
|
|
if (i == nvariables) {
|
|
for (i = 0; i < nextensions; i++)
|
|
if (len >= extensions[i].extension.len
|
|
&& strncmp(last - extensions[i].extension.len,
|
|
extensions[i].extension.s,
|
|
extensions[i].extension.len) == 0) {
|
|
colorp = &extensions[i].color;
|
|
break;
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
|
|
put_color(&variables[VLeft].color);
|
|
put_color(colorp);
|
|
put_color(&variables[VRight].color);
|
|
}
|
|
|
|
|
|
/* print_with_color():
|
|
*/
|
|
void
|
|
print_with_color(const Char *filename, size_t len, Char suffix)
|
|
{
|
|
if (color_context_lsmF &&
|
|
(haderr ? (didfds ? is2atty : isdiagatty) :
|
|
(didfds ? is1atty : isoutatty))) {
|
|
print_color(filename, len, suffix);
|
|
xprintf("%S", filename);
|
|
if (0 < variables[VEnd].color.len)
|
|
put_color(&variables[VEnd].color);
|
|
else {
|
|
put_color(&variables[VLeft].color);
|
|
put_color(&variables[VNormal].color);
|
|
put_color(&variables[VRight].color);
|
|
}
|
|
}
|
|
else
|
|
xprintf("%S", filename);
|
|
xputwchar(suffix);
|
|
}
|
|
|
|
|
|
#endif /* COLOR_LS_F */
|