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-rw-r--r--src/dircolors.c197
1 files changed, 103 insertions, 94 deletions
diff --git a/src/dircolors.c b/src/dircolors.c
index ce5441308..5982a9e1b 100644
--- a/src/dircolors.c
+++ b/src/dircolors.c
@@ -1,3 +1,7 @@
+/* FIXME: accept, but ignore EIGHTBIT option
+ FIXME: embed contents of default mapping file
+ FIXME: add option to print that default mapping?
+ */
/* dircolors - parse a Slackware-style DIR_COLORS file.
Copyright (C) 1994, 1995 H. Peter Anvin
Copyright (C) 1996 Free Software Foundation, Inc.
@@ -27,25 +31,82 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#include "system.h"
#include "error.h"
+char *xmalloc ();
+
#define USER_FILE ".dir_colors" /* Versus user's home directory */
-#define SYSTEM_FILE "/DIR_COLORS" /* System-wide file in directory SYSTEM_DIR
+#define SYSTEM_FILE "DIR_COLORS" /* System-wide file in directory SYSTEM_DIR
(defined on the cc command line). */
#define STRINGLEN 2048 /* Max length of a string */
-enum modes { mo_sh, mo_csh, mo_ksh, mo_zsh, mo_unknown, mo_err };
+enum modes { MO_SH, MO_CSH, MO_KSH, MO_ZSH, MO_UNKNOWN, MO_ERR };
-const char *shells[] = { "sh", "ash", "csh", "tcsh", "bash", "ksh",
- "zsh", NULL };
+/* FIXME: associate these arrays? */
+static const char *const shells[] =
+{ "sh", "ash", "csh", "tcsh", "bash", "ksh", "zsh", NULL };
-const int shell_mode[] = { mo_sh, mo_sh, mo_csh, mo_csh,
- mo_ksh, mo_ksh, mo_zsh };
+static const int shell_mode[] =
+{ MO_SH, MO_SH, MO_CSH, MO_CSH, MO_KSH, MO_KSH, MO_ZSH };
-char *program_name;
+/* Parser needs these state variables. */
+enum states { ST_TERMNO, ST_TERMYES, ST_TERMSURE, ST_GLOBAL };
+
+/* FIXME: associate with ls_codes? */
+static const char *const slack_codes[] =
+{
+ "NORMAL", "NORM", "FILE", "DIR", "LNK", "LINK",
+ "SYMLINK", "ORPHAN", "MISSING", "FIFO", "PIPE", "SOCK", "BLK", "BLOCK",
+ "CHR", "CHAR", "EXEC", "LEFT", "LEFTCODE", "RIGHT", "RIGHTCODE", "END",
+ "ENDCODE", NULL
+};
+
+static const char *const ls_codes[] =
+{
+ "no", "no", "fi", "di", "ln", "ln", "ln", "or", "mi", "pi", "pi",
+ "so", "bd", "bd", "cd", "cd", "ex", "lc", "lc", "rc", "rc", "ec", "ec"
+};
+enum color_opts { col_yes, col_no, col_tty };
-static void usage __P ((int status));
+static struct option const long_options[] =
+ {
+ {"ash", no_argument, NULL, 'a'},
+ {"bash", no_argument, NULL, 'b'},
+ {"csh", no_argument, NULL, 'c'},
+ {"help", no_argument, NULL, 'h'},
+ {"no-path", no_argument, NULL, 'P'},
+ {"sh", no_argument, NULL, 's'},
+ {"tcsh", no_argument, NULL, 't'},
+ {"version", no_argument, NULL, 'v'},
+ {"zsh", no_argument, NULL, 'z'},
+ };
+
+char *program_name;
+
+static void
+usage (int status)
+{
+ if (status != 0)
+ fprintf (stderr, _("Try `%s --help' for more information.\n"),
+ program_name);
+ else
+ {
+ printf (_("Usage: %s [OPTION]... [FILE]\n"), program_name);
+ printf (_("\
+ -h, --help display this help and exit\n\
+ -P, --no-path do not look for shell in PATH\n\
+ --version output version information and exit\n\
+Determine format of output:\n\
+ -a, --ash assume ash shell\n\
+ -b, --bash assume bash shell\n\
+ -c, --csh assume csh shell\n\
+ -s, --sh assume Bourne shell\n\
+ -t, --tcsh assume tcsh shell\n\
+ -z, --zsh assume zsh shell\n"));
+ }
+ exit (status);
+}
static int
figure_mode (void)
@@ -114,7 +175,7 @@ parse_line (char **keyword, char **arg, char *line)
sequences like unescaped : and = characters. */
static void
-put_seq (char *str, char follow)
+put_seq (const char *str, char follow)
{
int danger = 1;
@@ -144,42 +205,12 @@ put_seq (char *str, char follow)
putchar (follow); /* The character that ends the sequence. */
}
-/* Parser needs these state variables. */
-enum states { st_termno, st_termyes, st_termsure, st_global };
-
-const char *slack_codes[] = {"NORMAL", "NORM", "FILE", "DIR", "LNK", "LINK",
-"SYMLINK", "ORPHAN", "MISSING", "FIFO", "PIPE", "SOCK", "BLK", "BLOCK",
-"CHR", "CHAR", "EXEC", "LEFT", "LEFTCODE", "RIGHT", "RIGHTCODE", "END",
-"ENDCODE", NULL};
-
-const char *ls_codes[] = {"no", "no", "fi", "di", "ln", "ln", "ln",
-"or", "mi", "pi", "pi", "so", "bd", "bd", "cd", "cd", "ex", "lc", "lc", "rc",
-"rc", "ec", "ec"};
-
-enum color_opts { col_yes, col_no, col_tty };
-
-
-static struct option long_options[] =
- {
- {"ash", no_argument, NULL, 'a'},
- {"bash", no_argument, NULL, 'b'},
- {"csh", no_argument, NULL, 'c'},
- {"help", no_argument, NULL, 'h'},
- {"no-path", no_argument, NULL, 'P'},
- {"sh", no_argument, NULL, 's'},
- {"tcsh", no_argument, NULL, 't'},
- {"version", no_argument, NULL, 'v'},
- {"zsh", no_argument, NULL, 'z'},
- };
-
-
int
main (int argc, char *argv[])
{
char *p, *q;
- char *file = NULL;
int optc;
- int mode = mo_unknown;
+ int mode = MO_UNKNOWN;
FILE *fp = NULL;
char *term;
int state;
@@ -194,7 +225,7 @@ main (int argc, char *argv[])
int do_help = 0;
int do_version = 0;
- char *copt;
+ const char *copt;
char *input_file;
program_name = argv[0];
@@ -210,17 +241,17 @@ main (int argc, char *argv[])
{
case 'a':
case 's': /* Plain sh mode */
- mode = mo_sh;
+ mode = MO_SH;
break;
case 'c':
case 't':
- mode = mo_csh;
+ mode = MO_CSH;
break;
case 'b':
case 'k':
- mode = mo_ksh;
+ mode = MO_KSH;
break;
case 'h':
@@ -228,7 +259,7 @@ main (int argc, char *argv[])
break;
case 'z':
- mode = mo_zsh;
+ mode = MO_ZSH;
break;
case 'P':
@@ -243,19 +274,17 @@ main (int argc, char *argv[])
usage (1);
}
- /* If version information is wanted show it. */
if (do_version)
{
printf ("%s - %s\n", program_name, PACKAGE_VERSION);
exit (0);
}
- /* If help is wanted show the screen. */
if (do_help)
usage (0);
/* Use shell to determine mode, if not already done. */
- if (mode == mo_unknown)
+ if (mode == MO_UNKNOWN)
mode = figure_mode ();
/* Open dir_colors file */
@@ -264,14 +293,20 @@ main (int argc, char *argv[])
p = getenv ("HOME");
if (p != NULL && *p != '\0')
{
- chdir (p);
- input_file = USER_FILE;
+ /* Note: deliberate leak. It's not worth freeing this. */
+ input_file = xmalloc (strlen (p) + 1
+ + strlen (USER_FILE) + 1);
+ stpcpy (stpcpy (stpcpy (input_file, p), "/"), USER_FILE);
fp = fopen (input_file, "r");
}
if (fp == NULL)
{
- input_file = SHAREDIR SYSTEM_FILE;
+ /* Note: deliberate leak. It's not worth freeing this. */
+ input_file = xmalloc (strlen (SHAREDIR) + 1
+ + strlen (USER_FILE) + 1);
+ stpcpy (stpcpy (stpcpy (input_file, SHAREDIR), "/"),
+ USER_FILE);
fp = fopen (input_file, "r");
}
}
@@ -292,20 +327,20 @@ main (int argc, char *argv[])
/* Write out common start */
switch (mode)
{
- case mo_csh:
+ case MO_CSH:
puts ("set noglob;\n\
setenv LS_COLORS \':");
break;
- case mo_sh:
- case mo_ksh:
- case mo_zsh:
+ case MO_SH:
+ case MO_KSH:
+ case MO_ZSH:
puts ("LS_COLORS=\'");
break;
}
- /* Start parsing that sucker */
- state = st_global;
+ state = ST_GLOBAL;
+ /* FIXME: use getline */
while (fgets (line, STRINGLEN, fp) != NULL )
{
parse_line (&keywd, &arg, line);
@@ -314,16 +349,16 @@ setenv LS_COLORS \':");
if (strcasecmp (keywd, "TERM") == 0)
{
if (strcmp (arg, term) == 0)
- state = st_termsure;
- else if (state != st_termsure)
- state = st_termno;
+ state = ST_TERMSURE;
+ else if (state != ST_TERMSURE)
+ state = ST_TERMNO;
}
else
{
- if (state == st_termsure)
- state = st_termyes; /* Another TERM can cancel */
+ if (state == ST_TERMSURE)
+ state = ST_TERMYES; /* Another TERM can cancel */
- if (state != st_termno)
+ if (state != ST_TERMNO)
{
if (keywd[0] == '.')
{
@@ -405,7 +440,7 @@ setenv LS_COLORS \':");
}
/* Find ls in the path. */
- if (no_path == NULL)
+ if (no_path == 0)
{
no_path = 1; /* Assume we won't find one. */
@@ -443,7 +478,7 @@ setenv LS_COLORS \':");
/* Write it out. */
switch (mode)
{
- case mo_sh:
+ case MO_SH:
if (no_path)
printf ("\';\n\
export LS_COLORS;\n\
@@ -465,7 +500,7 @@ d () { dir \"$@\" ; };\n\
v () { vdir \"$@\" ; };\n", copt, useropts, line, line, line);
break;
- case mo_csh:
+ case MO_CSH:
if (no_path)
printf ("\';\n\
setenv LS_OPTIONS '%s%s';\n\
@@ -486,7 +521,7 @@ alias v vdir;\n\
unset noglob;\n", copt, useropts, line, line, line);
break;
- case mo_ksh:
+ case MO_KSH:
if (no_path)
printf ("\';\n\
export LS_COLORS;\n\
@@ -509,7 +544,7 @@ alias d=dir;\n\
alias v=vdir;\n", copt, useropts, line, line, line);
break;
- case mo_zsh:
+ case MO_ZSH:
if (no_path)
printf ("\';\n\
export LS_COLORS;\n\
@@ -535,29 +570,3 @@ alias v=vdir;\n", copt, useropts, line, line, line);
exit (0);
}
-
-
-static void
-usage (int status)
-{
- if (status != 0)
- fprintf (stderr, _("Try `%s --help' for more information.\n"),
- program_name);
- else
- {
- printf (_("Usage: %s [OPTION]... [FILE]\n"), program_name);
- printf (_("\
- -h, --help display this help and exit\n\
- -P, --no-path do not look for shell in PATH\n\
- --version output version information and exit\n\
-Determine format of output:\n\
- -a, --ash assume ash shell\n\
- -b, --bash assume bash shell\n\
- -c, --csh assume csh shell\n\
- -s, --sh assume Bourne shell\n\
- -t, --tcsh assume tcsh shell\n\
- -z, --zsh assume zsh shell\n"));
- }
-
- exit (status);
-}
generated by cgit v1.2.3-70-g09d2 (git 2.47.1) at 2024-12-26 07:42:39 +0000