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Patch from J.W.Janssen <JanWillem.Janssen@lxtreme.nl> to provide

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color ls support, modifed by me to behave properly when not running
output to a terminal (i.e. 'ls | more')
 -Erik
This commit is contained in:
Eric Andersen 2002-03-20 09:13:48 +00:00
parent 3ec5c692ec
commit 3ad0bd9563
1 changed files with 63 additions and 2 deletions
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65
coreutils/ls.c
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@ -145,6 +145,14 @@ static const int SPLIT_SUBDIR = 2;
#ifdef CONFIG_FEATURE_LS_FILETYPES
#define APPCHAR(mode) ("\0|\0\0/\0\0\0\0\0@\0=\0\0\0" [TYPEINDEX(mode)])
#endif
/* colored LS support by JaWi, janwillem.janssen@lxtreme.nl */
#ifdef CONFIG_FEATURE_LS_COLOR
static int show_color = 0;
#define COLOR(mode) ("\000\043\043\043\042\000\043\043"\
"\000\000\044\000\043\000\000\040" [TYPEINDEX(mode)])
#define ATTR(mode) ("\00\00\01\00\01\00\01\00"\
"\00\00\01\00\01\00\00\01" [TYPEINDEX(mode)])
#endif
/*
* a directory entry and its stat info are stored here
@ -221,6 +229,31 @@ static void newline(void)
}
}
/*----------------------------------------------------------------------*/
#ifdef CONFIG_FEATURE_LS_COLOR
static char fgcolor(mode_t mode)
{
/* Check wheter the file is existing (if so, color it red!) */
if ( errno == ENOENT ) {
errno = 0;
return '\037';
}
if ( LIST_EXEC && S_ISREG( mode )
&& ( mode & ( S_IXUSR | S_IXGRP | S_IXOTH ) ) )
return COLOR(0xF000); /* File is executable ... */
return COLOR(mode);
}
/*----------------------------------------------------------------------*/
static char bgcolor(mode_t mode)
{
if ( LIST_EXEC && S_ISREG( mode )
&& ( mode & ( S_IXUSR | S_IXGRP | S_IXOTH ) ) )
return ATTR(0xF000); /* File is executable ... */
return ATTR(mode);
}
#endif
/*----------------------------------------------------------------------*/
#ifdef CONFIG_FEATURE_LS_FILETYPES
static char append_char(mode_t mode)
@ -682,18 +715,41 @@ static int list_single(struct dnode *dn)
break;
#endif
case LIST_FILENAME:
#ifdef CONFIG_FEATURE_LS_COLOR
if (show_color && !lstat(dn->fullname, &info)) {
printf( "\033[%d;%dm", bgcolor(info.st_mode),
fgcolor(info.st_mode) );
}
#endif
printf("%s", dn->name);
#ifdef CONFIG_FEATURE_LS_COLOR
if (show_color) {
printf( "\033[0m" );
}
#endif
column += strlen(dn->name);
break;
case LIST_SYMLINK:
if (S_ISLNK(dn->dstat.st_mode)) {
char *lpath = xreadlink(dn->fullname);
if (lpath) {
printf(" -> %s", lpath);
#ifdef CONFIG_FEATURE_LS_FILETYPES
printf(" -> ");
#if defined(BB_FEATURE_LS_FILETYPES) || defined(CONFIG_FEATURE_LS_COLOR)
if (!stat(dn->fullname, &info)) {
append = append_char(info.st_mode);
}
#endif
#ifdef CONFIG_FEATURE_LS_COLOR
if (show_color) {
printf( "\033[%d;%dm", bgcolor(info.st_mode),
fgcolor(info.st_mode) );
}
#endif
printf("%s", lpath);
#ifdef CONFIG_FEATURE_LS_COLOR
if (show_color) {
printf( "\033[0m" );
}
#endif
column += strlen(lpath) + 4;
free(lpath);
@ -747,6 +803,11 @@ extern int ls_main(int argc, char **argv)
#endif
nfiles=0;
#ifdef CONFIG_FEATURE_LS_COLOR
if (isatty(fileno(stdout)))
show_color = 1;
#endif
/* process options */
while ((opt = getopt(argc, argv, "1AaCdgilnsx"
#ifdef CONFIG_FEATURE_AUTOWIDTH