OpenCoverage

colors.c

Absolute File Name:/home/opencoverage/opencoverage/guest-scripts/bash/src/lib/readline/colors.c
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1/* `dir', `vdir' and `ls' directory listing programs for GNU.-
2-
3 Modified by Chet Ramey for Readline.-
4-
5 Copyright (C) 1985, 1988, 1990-1991, 1995-2010, 2012, 2015, 2017-
6 Free Software Foundation, Inc.-
7-
8 This program is free software: you can redistribute it and/or modify-
9 it under the terms of the GNU General Public License as published by-
10 the Free Software Foundation, either version 3 of the License, or-
11 (at your option) any later version.-
12-
13 This program is distributed in the hope that it will be useful,-
14 but WITHOUT ANY WARRANTY; without even the implied warranty of-
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the-
16 GNU General Public License for more details.-
17-
18 You should have received a copy of the GNU General Public License-
19 along with this program. If not, see <http://www.gnu.org/licenses/>. */-
20-
21/* Written by Richard Stallman and David MacKenzie. */-
22-
23/* Color support by Peter Anvin <Peter.Anvin@linux.org> and Dennis-
24 Flaherty <dennisf@denix.elk.miles.com> based on original patches by-
25 Greg Lee <lee@uhunix.uhcc.hawaii.edu>. */-
26-
27#define READLINE_LIBRARY-
28-
29#if defined (HAVE_CONFIG_H)-
30# include <config.h>-
31#endif-
32-
33#include "rlconf.h"-
34-
35#include <stdio.h>-
36-
37#include "posixstat.h" // stat related macros (S_ISREG, ...)-
38#include <fcntl.h> // S_ISUID-
39-
40#ifndef S_ISDIR-
41# define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)-
42#endif-
43-
44// strlen()-
45#if defined (HAVE_STRING_H)-
46# include <string.h>-
47#else /* !HAVE_STRING_H */-
48# include <strings.h>-
49#endif /* !HAVE_STRING_H */-
50-
51// abort()-
52#if defined (HAVE_STDLIB_H)-
53# include <stdlib.h>-
54#else-
55# include "ansi_stdlib.h"-
56#endif /* HAVE_STDLIB_H */-
57-
58#include "readline.h"-
59#include "rldefs.h"-
60-
61#ifdef COLOR_SUPPORT-
62-
63#include "xmalloc.h"-
64#include "colors.h"-
65-
66static bool is_colored (enum indicator_no type);-
67static void restore_default_color (void);-
68-
69COLOR_EXT_TYPE *_rl_color_ext_list = 0;-
70-
71/* Output a color indicator (which may contain nulls). */-
72void-
73_rl_put_indicator (const struct bin_str *ind)-
74{-
75 fwrite (ind->string, ind->len, 1, rl_outstream);-
76}
never executed: end of block
0
77-
78static bool-
79is_colored (enum indicator_no colored_filetype)-
80{-
81 size_t len = _rl_color_indicator[colored_filetype].len;-
82 char const *s = _rl_color_indicator[colored_filetype].string;-
83 return ! (len == 0
never executed: return ! (len == 0 || (len == 1 && (__extension__ (__builtin_constant_p ( 1 ) && ((__builtin_constant_p ( s ) && strlen ( s ) < ((size_t) ( 1 ))) || (__builtin_constant_p ( "0" ) && strlen ( "0" ) < ((size_t) ( 1 )))) ? __extension__ ({ size_t __s1_len, _... char *) (const char *) ( "00" ))[2] - __s2[2]); if (__s2_len > 2 && __result == 0) __result = (((const unsigned char *) (const char *) ( "00" ))[3] - __s2[3]); } } __result; }))) : __builtin_strcmp ( s , "00" )))); }) : strncmp ( s , "00" , 2 ))) == 0));
0
84 || (len == 1 && strncmp (s, "0", 1) == 0)
never executed: return ! (len == 0 || (len == 1 && (__extension__ (__builtin_constant_p ( 1 ) && ((__builtin_constant_p ( s ) && strlen ( s ) < ((size_t) ( 1 ))) || (__builtin_constant_p ( "0" ) && strlen ( "0" ) < ((size_t) ( 1 )))) ? __extension__ ({ size_t __s1_len, _... char *) (const char *) ( "00" ))[2] - __s2[2]); if (__s2_len > 2 && __result == 0) __result = (((const unsigned char *) (const char *) ( "00" ))[3] - __s2[3]); } } __result; }))) : __builtin_strcmp ( s , "00" )))); }) : strncmp ( s , "00" , 2 ))) == 0));
never executed: __result = (((const unsigned char *) (const char *) ( s ))[3] - __s2[3]);
never executed: end of block
never executed: end of block
never executed: __result = (((const unsigned char *) (const char *) ( "0" ))[3] - __s2[3]);
never executed: end of block
never executed: end of block
__s1_len > 0Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s1_len > 1Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s1_len > 2Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s2_len > 0Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s2_len > 1Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s2_len > 2Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
0
85 || (len == 2 && strncmp (s, "00", 2) == 0));
never executed: return ! (len == 0 || (len == 1 && (__extension__ (__builtin_constant_p ( 1 ) && ((__builtin_constant_p ( s ) && strlen ( s ) < ((size_t) ( 1 ))) || (__builtin_constant_p ( "0" ) && strlen ( "0" ) < ((size_t) ( 1 )))) ? __extension__ ({ size_t __s1_len, _... char *) (const char *) ( "00" ))[2] - __s2[2]); if (__s2_len > 2 && __result == 0) __result = (((const unsigned char *) (const char *) ( "00" ))[3] - __s2[3]); } } __result; }))) : __builtin_strcmp ( s , "00" )))); }) : strncmp ( s , "00" , 2 ))) == 0));
never executed: __result = (((const unsigned char *) (const char *) ( s ))[3] - __s2[3]);
never executed: end of block
never executed: end of block
never executed: __result = (((const unsigned char *) (const char *) ( "00" ))[3] - __s2[3]);
never executed: end of block
never executed: end of block
__s1_len > 0Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s1_len > 1Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s1_len > 2Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s2_len > 0Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s2_len > 1Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s2_len > 2Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
0
86}-
87-
88static void-
89restore_default_color (void)-
90{-
91 _rl_put_indicator (&_rl_color_indicator[C_LEFT]);-
92 _rl_put_indicator (&_rl_color_indicator[C_RIGHT]);-
93}
never executed: end of block
0
94-
95void-
96_rl_set_normal_color (void)-
97{-
98 if (is_colored (C_NORM))
is_colored (C_NORM)Description
TRUEnever evaluated
FALSEnever evaluated
0
99 {-
100 _rl_put_indicator (&_rl_color_indicator[C_LEFT]);-
101 _rl_put_indicator (&_rl_color_indicator[C_NORM]);-
102 _rl_put_indicator (&_rl_color_indicator[C_RIGHT]);-
103 }
never executed: end of block
0
104}
never executed: end of block
0
105-
106bool-
107_rl_print_prefix_color (void)-
108{-
109 struct bin_str *s;-
110-
111 /* What do we want to use for the prefix? Let's try cyan first, see colors.h */-
112 s = &_rl_color_indicator[C_PREFIX];-
113 if (s->string != NULL)
s->string != ((void *)0)Description
TRUEnever evaluated
FALSEnever evaluated
0
114 {-
115 if (is_colored (C_NORM))
is_colored (C_NORM)Description
TRUEnever evaluated
FALSEnever evaluated
0
116 restore_default_color ();
never executed: restore_default_color ();
0
117 _rl_put_indicator (&_rl_color_indicator[C_LEFT]);-
118 _rl_put_indicator (s);-
119 _rl_put_indicator (&_rl_color_indicator[C_RIGHT]);-
120 return 0;
never executed: return 0;
0
121 }-
122 else-
123 return 1;
never executed: return 1;
0
124}-
125 -
126/* Returns whether any color sequence was printed. */-
127bool-
128_rl_print_color_indicator (const char *f)-
129{-
130 enum indicator_no colored_filetype;-
131 COLOR_EXT_TYPE *ext; /* Color extension */-
132 size_t len; /* Length of name */-
133-
134 const char* name;-
135 char *filename;-
136 struct stat astat, linkstat;-
137 mode_t mode;-
138 int linkok; /* 1 == ok, 0 == dangling symlink, -1 == missing */-
139 int stat_ok;-
140-
141 name = f;-
142-
143 /* This should already have undergone tilde expansion */-
144 filename = 0;-
145 if (rl_filename_stat_hook)
rl_filename_stat_hookDescription
TRUEnever evaluated
FALSEnever evaluated
0
146 {-
147 filename = savestring (f);-
148 (*rl_filename_stat_hook) (&filename);-
149 name = filename;-
150 }
never executed: end of block
0
151-
152#if defined (HAVE_LSTAT)-
153 stat_ok = lstat(name, &astat);-
154#else-
155 stat_ok = stat(name, &astat);-
156#endif-
157 if (stat_ok == 0)
stat_ok == 0Description
TRUEnever evaluated
FALSEnever evaluated
0
158 {-
159 mode = astat.st_mode;-
160#if defined (HAVE_LSTAT)-
161 if (S_ISLNK (mode))
(((( mode )) &... == (0120000))Description
TRUEnever evaluated
FALSEnever evaluated
0
162 {-
163 linkok = stat (name, &linkstat) == 0;-
164 if (linkok && strncmp (_rl_color_indicator[C_LINK].string, "target", 6) == 0)
never executed: __result = (((const unsigned char *) (const char *) ( _rl_color_indicator[C_LINK].string ))[3] - __s2[3]);
never executed: end of block
never executed: end of block
never executed: __result = (((const unsigned char *) (const char *) ( "target" ))[3] - __s2[3]);
never executed: end of block
never executed: end of block
linkokDescription
TRUEnever evaluated
FALSEnever evaluated
(__extension__..." , 6 ))) == 0Description
TRUEnever evaluated
FALSEnever evaluated
__builtin_constant_p ( 6 )Description
TRUEnever evaluated
FALSEnever evaluated
__builtin_cons...LINK].string )Description
TRUEnever evaluated
FALSEnever evaluated
strlen ( _rl_c...size_t) ( 6 ))Description
TRUEnever evaluated
FALSEnever evaluated
__builtin_cons...p ( "target" )Description
TRUEnever evaluated
FALSEnever evaluated
strlen ( "targ...size_t) ( 6 ))Description
TRUEnever evaluated
FALSEnever evaluated
__s1_len > 0Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s1_len > 1Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s1_len > 2Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s2_len > 0Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s2_len > 1Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s2_len > 2Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
0
165 mode = linkstat.st_mode;
never executed: mode = linkstat.st_mode;
0
166 }
never executed: end of block
0
167 else-
168#endif-
169 linkok = 1;
never executed: linkok = 1;
0
170 }-
171 else-
172 linkok = -1;
never executed: linkok = -1;
0
173-
174 /* Is this a nonexistent file? If so, linkok == -1. */-
175-
176 if (linkok == -1 && _rl_color_indicator[C_MISSING].string != NULL)
linkok == -1Description
TRUEnever evaluated
FALSEnever evaluated
_rl_color_indi...!= ((void *)0)Description
TRUEnever evaluated
FALSEnever evaluated
0
177 colored_filetype = C_MISSING;
never executed: colored_filetype = C_MISSING;
0
178 else if (linkok == 0 && S_ISLNK(mode) && _rl_color_indicator[C_ORPHAN].string != NULL)
linkok == 0Description
TRUEnever evaluated
FALSEnever evaluated
(((( mode )) &... == (0120000))Description
TRUEnever evaluated
FALSEnever evaluated
_rl_color_indi...!= ((void *)0)Description
TRUEnever evaluated
FALSEnever evaluated
0
179 colored_filetype = C_ORPHAN; /* dangling symlink */
never executed: colored_filetype = C_ORPHAN;
0
180 else if(stat_ok != 0)
stat_ok != 0Description
TRUEnever evaluated
FALSEnever evaluated
0
181 {-
182 static enum indicator_no filetype_indicator[] = FILETYPE_INDICATORS;-
183 colored_filetype = filetype_indicator[normal]; //f->filetype];-
184 }
never executed: end of block
0
185 else-
186 {-
187 if (S_ISREG (mode))
(((( mode )) &... == (0100000))Description
TRUEnever evaluated
FALSEnever evaluated
0
188 {-
189 colored_filetype = C_FILE;-
190-
191#if defined (S_ISUID)-
192 if ((mode & S_ISUID) != 0 && is_colored (C_SETUID))
(mode & 04000 ) != 0Description
TRUEnever evaluated
FALSEnever evaluated
is_colored (C_SETUID)Description
TRUEnever evaluated
FALSEnever evaluated
0
193 colored_filetype = C_SETUID;
never executed: colored_filetype = C_SETUID;
0
194 else-
195#endif-
196#if defined (S_ISGID)-
197 if ((mode & S_ISGID) != 0 && is_colored (C_SETGID))
(mode & 02000 ) != 0Description
TRUEnever evaluated
FALSEnever evaluated
is_colored (C_SETGID)Description
TRUEnever evaluated
FALSEnever evaluated
0
198 colored_filetype = C_SETGID;
never executed: colored_filetype = C_SETGID;
0
199 else-
200#endif-
201 if (is_colored (C_CAP) && 0) //f->has_capability)
dead code: colored_filetype = C_CAP;
is_colored (C_CAP)Description
TRUEnever evaluated
FALSEnever evaluated
0Description
TRUEnever evaluated
FALSEnever evaluated
-
202 colored_filetype = C_CAP;
dead code: colored_filetype = C_CAP;
-
203 else if ((mode & S_IXUGO) != 0 && is_colored (C_EXEC))
(mode & ( 0100... >> 3) )) != 0Description
TRUEnever evaluated
FALSEnever evaluated
is_colored (C_EXEC)Description
TRUEnever evaluated
FALSEnever evaluated
0
204 colored_filetype = C_EXEC;
never executed: colored_filetype = C_EXEC;
0
205 else if ((1 < astat.st_nlink) && is_colored (C_MULTIHARDLINK))
(1 < astat.st_nlink)Description
TRUEnever evaluated
FALSEnever evaluated
is_colored (C_MULTIHARDLINK)Description
TRUEnever evaluated
FALSEnever evaluated
0
206 colored_filetype = C_MULTIHARDLINK;
never executed: colored_filetype = C_MULTIHARDLINK;
0
207 }
never executed: end of block
0
208 else if (S_ISDIR (mode))
(((( mode )) &... == (0040000))Description
TRUEnever evaluated
FALSEnever evaluated
0
209 {-
210 colored_filetype = C_DIR;-
211-
212#if defined (S_ISVTX)-
213 if ((mode & S_ISVTX) && (mode & S_IWOTH)
(mode & 01000 )Description
TRUEnever evaluated
FALSEnever evaluated
(mode & ((0200 >> 3) >> 3) )Description
TRUEnever evaluated
FALSEnever evaluated
0
214 && is_colored (C_STICKY_OTHER_WRITABLE))
is_colored (C_...THER_WRITABLE)Description
TRUEnever evaluated
FALSEnever evaluated
0
215 colored_filetype = C_STICKY_OTHER_WRITABLE;
never executed: colored_filetype = C_STICKY_OTHER_WRITABLE;
0
216 else-
217#endif-
218 if ((mode & S_IWOTH) != 0 && is_colored (C_OTHER_WRITABLE))
(mode & ((0200...) >> 3) ) != 0Description
TRUEnever evaluated
FALSEnever evaluated
is_colored (C_OTHER_WRITABLE)Description
TRUEnever evaluated
FALSEnever evaluated
0
219 colored_filetype = C_OTHER_WRITABLE;
never executed: colored_filetype = C_OTHER_WRITABLE;
0
220#if defined (S_ISVTX)-
221 else if ((mode & S_ISVTX) != 0 && is_colored (C_STICKY))
(mode & 01000 ) != 0Description
TRUEnever evaluated
FALSEnever evaluated
is_colored (C_STICKY)Description
TRUEnever evaluated
FALSEnever evaluated
0
222 colored_filetype = C_STICKY;
never executed: colored_filetype = C_STICKY;
0
223#endif-
224 }
never executed: end of block
0
225#if defined (S_ISLNK)-
226 else if (S_ISLNK (mode))
(((( mode )) &... == (0120000))Description
TRUEnever evaluated
FALSEnever evaluated
0
227 colored_filetype = C_LINK;
never executed: colored_filetype = C_LINK;
0
228#endif-
229 else if (S_ISFIFO (mode))
(((( mode )) &... == (0010000))Description
TRUEnever evaluated
FALSEnever evaluated
0
230 colored_filetype = C_FIFO;
never executed: colored_filetype = C_FIFO;
0
231#if defined (S_ISSOCK)-
232 else if (S_ISSOCK (mode))
(((( mode )) &... == (0140000))Description
TRUEnever evaluated
FALSEnever evaluated
0
233 colored_filetype = C_SOCK;
never executed: colored_filetype = C_SOCK;
0
234#endif-
235 else if (S_ISBLK (mode))
(((( mode )) &... == (0060000))Description
TRUEnever evaluated
FALSEnever evaluated
0
236 colored_filetype = C_BLK;
never executed: colored_filetype = C_BLK;
0
237 else if (S_ISCHR (mode))
(((( mode )) &... == (0020000))Description
TRUEnever evaluated
FALSEnever evaluated
0
238 colored_filetype = C_CHR;
never executed: colored_filetype = C_CHR;
0
239 else-
240 {-
241 /* Classify a file of some other type as C_ORPHAN. */-
242 colored_filetype = C_ORPHAN;-
243 }
never executed: end of block
0
244 }-
245-
246 /* Check the file's suffix only if still classified as C_FILE. */-
247 ext = NULL;-
248 if (colored_filetype == C_FILE)
colored_filetype == C_FILEDescription
TRUEnever evaluated
FALSEnever evaluated
0
249 {-
250 /* Test if NAME has a recognized suffix. */-
251 len = strlen (name);-
252 name += len; /* Pointer to final \0. */-
253 for (ext = _rl_color_ext_list; ext != NULL; ext = ext->next)
ext != ((void *)0)Description
TRUEnever evaluated
FALSEnever evaluated
0
254 {-
255 if (ext->ext.len <= len
ext->ext.len <= lenDescription
TRUEnever evaluated
FALSEnever evaluated
0
256 && strncmp (name - ext->ext.len, ext->ext.string,
never executed: __result = (((const unsigned char *) (const char *) ( name - ext->ext.len ))[3] - __s2[3]);
never executed: end of block
never executed: end of block
never executed: __result = (((const unsigned char *) (const char *) ( ext->ext.string ))[3] - __s2[3]);
never executed: end of block
never executed: end of block
(__extension__...t.len ))) == 0Description
TRUEnever evaluated
FALSEnever evaluated
__builtin_cons...ext->ext.len )Description
TRUEnever evaluated
FALSEnever evaluated
__builtin_cons...ext->ext.len )Description
TRUEnever evaluated
FALSEnever evaluated
strlen ( name ...xt->ext.len ))Description
TRUEnever evaluated
FALSEnever evaluated
__builtin_cons...->ext.string )Description
TRUEnever evaluated
FALSEnever evaluated
strlen ( ext->...xt->ext.len ))Description
TRUEnever evaluated
FALSEnever evaluated
__s1_len > 0Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s1_len > 1Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s1_len > 2Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s2_len > 0Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s2_len > 1Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s2_len > 2Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
0
257 ext->ext.len) == 0)
(__extension__...t.len ))) == 0Description
TRUEnever evaluated
FALSEnever evaluated
0
258 break;
never executed: break;
0
259 }
never executed: end of block
0
260 }
never executed: end of block
0
261-
262 free (filename); /* NULL or savestring return value */-
263-
264 {-
265 const struct bin_str *const s-
266 = ext ? &(ext->seq) : &_rl_color_indicator[colored_filetype];
extDescription
TRUEnever evaluated
FALSEnever evaluated
0
267 if (s->string != NULL)
s->string != ((void *)0)Description
TRUEnever evaluated
FALSEnever evaluated
0
268 {-
269 /* Need to reset so not dealing with attribute combinations */-
270 if (is_colored (C_NORM))
is_colored (C_NORM)Description
TRUEnever evaluated
FALSEnever evaluated
0
271 restore_default_color ();
never executed: restore_default_color ();
0
272 _rl_put_indicator (&_rl_color_indicator[C_LEFT]);-
273 _rl_put_indicator (s);-
274 _rl_put_indicator (&_rl_color_indicator[C_RIGHT]);-
275 return 0;
never executed: return 0;
0
276 }-
277 else-
278 return 1;
never executed: return 1;
0
279 }-
280}-
281-
282void-
283_rl_prep_non_filename_text (void)-
284{-
285 if (_rl_color_indicator[C_END].string != NULL)
_rl_color_indi...!= ((void *)0)Description
TRUEnever evaluated
FALSEnever evaluated
0
286 _rl_put_indicator (&_rl_color_indicator[C_END]);
never executed: _rl_put_indicator (&_rl_color_indicator[C_END]);
0
287 else-
288 {-
289 _rl_put_indicator (&_rl_color_indicator[C_LEFT]);-
290 _rl_put_indicator (&_rl_color_indicator[C_RESET]);-
291 _rl_put_indicator (&_rl_color_indicator[C_RIGHT]);-
292 }
never executed: end of block
0
293}-
294#endif /* COLOR_SUPPORT */-
Source codeSwitch to Preprocessed file
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