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-rw-r--r--readline/examples/rlfe.c383
1 files changed, 13 insertions, 370 deletions
diff --git a/readline/examples/rlfe.c b/readline/examples/rlfe.c
index d634d7c..5c3c8fd 100644
--- a/readline/examples/rlfe.c
+++ b/readline/examples/rlfe.c
@@ -64,8 +64,6 @@
#include <unistd.h>
#include <sys/ioctl.h>
#include <termios.h>
-#include <limits.h>
-#include <dirent.h>
#ifdef READLINE_LIBRARY
# include "readline.h"
@@ -83,7 +81,6 @@
#endif
#ifndef HAVE_MEMMOVE
-#ifndef memmove
# if __GNUC__ > 1
# define memmove(d, s, n) __builtin_memcpy(d, s, n)
# else
@@ -92,19 +89,8 @@
#else
# define memmove(d, s, n) memcpy(d, s, n)
#endif
-#endif
-
-#define APPLICATION_NAME "Rlfe"
-
-#ifndef errno
-extern int errno;
-#endif
-extern int optind;
-extern char *optarg;
-
-static char *progname;
-static char *progversion;
+#define APPLICATION_NAME "Fep"
static int in_from_inferior_fd;
static int out_to_inferior_fd;
@@ -124,15 +110,13 @@ char echo_suppress_buffer[ECHO_SUPPRESS_MAX];
int echo_suppress_start = 0;
int echo_suppress_limit = 0;
-/* #define DEBUG */
-
-static FILE *logfile = NULL;
+#define DEBUG
#ifdef DEBUG
-FILE *debugfile = NULL;
-#define DPRINT0(FMT) (fprintf(debugfile, FMT), fflush(debugfile))
-#define DPRINT1(FMT, V1) (fprintf(debugfile, FMT, V1), fflush(debugfile))
-#define DPRINT2(FMT, V1, V2) (fprintf(debugfile, FMT, V1, V2), fflush(debugfile))
+FILE *logfile = NULL;
+#define DPRINT0(FMT) (fprintf(logfile, FMT), fflush(logfile))
+#define DPRINT1(FMT, V1) (fprintf(logfile, FMT, V1), fflush(logfile))
+#define DPRINT2(FMT, V1, V2) (fprintf(logfile, FMT, V1, V2), fflush(logfile))
#else
#define DPRINT0(FMT) /* Do nothing */
#define DPRINT1(FMT, V1) /* Do nothing */
@@ -141,10 +125,6 @@ FILE *debugfile = NULL;
struct termios orig_term;
-static int rlfe_directory_completion_hook __P((char **));
-static int rlfe_directory_rewrite_hook __P((char **));
-static char *rlfe_filename_completion_function __P((const char *, int));
-
/* Pid of child process. */
static pid_t child = -1;
@@ -390,20 +370,13 @@ my_rl_getc (FILE *dummy)
return ch;
}
-static void
-usage()
-{
- fprintf (stderr, "%s: usage: %s [-l filename] [-a] [-n appname] [-hv] [command [arguments...]]\n",
- progname, progname);
-}
-
int
main(int argc, char** argv)
{
char *path;
- int i, append;
+ int i;
int master;
- char *name, *logfname, *appname;
+ char *name;
int in_from_tty_fd;
struct sigaction act;
struct winsize ws;
@@ -414,58 +387,12 @@ main(int argc, char** argv)
char *prompt = empty_string;
int ioctl_err = 0;
- if ((progname = strrchr (argv[0], '/')) == 0)
- progname = argv[0];
- else
- progname++;
- progversion = RL_LIBRARY_VERSION;
-
- append = 0;
- appname = APPLICATION_NAME;
- logfname = (char *)NULL;
-
- while ((i = getopt (argc, argv, "ahl:n:v")) != EOF)
- {
- switch (i)
- {
- case 'l':
- logfname = optarg;
- break;
- case 'n':
- appname = optarg;
- break;
- case 'a':
- append = 1;
- break;
- case 'h':
- usage ();
- exit (0);
- case 'v':
- fprintf (stderr, "%s version %s\n", progname, progversion);
- exit (0);
- default:
- usage ();
- exit (2);
- }
- }
-
- argc -= optind;
- argv += optind;
-
- if (logfname)
- {
- logfile = fopen (logfname, append ? "a" : "w");
- if (logfile == 0)
- fprintf (stderr, "%s: warning: could not open log file %s: %s\n",
- progname, logfname, strerror (errno));
- }
-
- rl_readline_name = appname;
-
#ifdef DEBUG
- debugfile = fopen("LOG", "w");
+ logfile = fopen("LOG", "w");
#endif
+ rl_readline_name = APPLICATION_NAME;
+
if ((master = get_master_pty(&name)) < 0)
{
perror("ptypair: could not open master pty");
@@ -559,10 +486,10 @@ main(int argc, char** argv)
/* now start the shell */
{
static char* command_args[] = { COMMAND_ARGS, NULL };
- if (argc < 1)
+ if (argc <= 1)
execvp(COMMAND, command_args);
else
- execvp(argv[0], &argv[0]);
+ execvp(argv[1], &argv[1]);
}
/* should never be reached */
@@ -608,13 +535,6 @@ main(int argc, char** argv)
rl_deprep_term_function = null_deprep_terminal;
rl_callback_handler_install (prompt, line_handler);
-#if 1
- rl_directory_completion_hook = rlfe_directory_completion_hook;
- rl_completion_entry_function = rlfe_filename_completion_function;
-#else
- rl_directory_rewrite_hook = rlfe_directory_rewrite_hook;
-#endif
-
in_from_tty_fd = STDIN_FILENO;
FD_ZERO (&in_set);
maxfd = in_from_inferior_fd > in_from_tty_fd ? in_from_inferior_fd
@@ -724,47 +644,6 @@ main(int argc, char** argv)
}
old_count = buf_count;
- /* Do some minimal carriage return translation and backspace
- processing before logging the input line. */
- if (logfile)
- {
-#ifndef __GNUC__
- char *b;
-#else
- char b[count + 1];
-#endif
- int i, j;
-
-#ifndef __GNUC__
- b = malloc (count + 1);
- if (b) {
-#endif
- for (i = 0; i < count; i++)
- b[i] = buf[buf_count + i];
- b[i] = '\0';
- for (i = j = 0; i <= count; i++)
- {
- if (b[i] == '\r')
- {
- if (b[i+1] != '\n')
- b[j++] = '\n';
- }
- else if (b[i] == '\b')
- {
- if (i)
- j--;
- }
- else
- b[j++] = b[i];
- }
- fprintf (logfile, "%s", b);
-
-#ifndef __GNUC__
- free (b);
- }
-#endif
- }
-
/* Look for any pending echo that we need to suppress. */
while (echo_suppress_start < echo_suppress_limit
&& count > 0
@@ -804,239 +683,3 @@ main(int argc, char** argv)
}
}
}
-
-/*
- *
- * FILENAME COMPLETION FOR RLFE
- *
- */
-
-#ifndef PATH_MAX
-# define PATH_MAX 1024
-#endif
-
-#define DIRSEP '/'
-#define ISDIRSEP(x) ((x) == '/')
-#define PATHSEP(x) (ISDIRSEP(x) || (x) == 0)
-
-#define DOT_OR_DOTDOT(x) \
- ((x)[0] == '.' && (PATHSEP((x)[1]) || \
- ((x)[1] == '.' && PATHSEP((x)[2]))))
-
-#define FREE(x) if (x) free(x)
-
-#define STRDUP(s, x) do { \
- s = strdup (x);\
- if (s == 0) \
- return ((char *)NULL); \
- } while (0)
-
-static int
-get_inferior_cwd (path, psize)
- char *path;
- size_t psize;
-{
- int n;
- static char procfsbuf[PATH_MAX] = { '\0' };
-
- if (procfsbuf[0] == '\0')
- sprintf (procfsbuf, "/proc/%d/cwd", (int)child);
- n = readlink (procfsbuf, path, psize);
- if (n < 0)
- return n;
- if (n > psize)
- return -1;
- path[n] = '\0';
- return n;
-}
-
-static int
-rlfe_directory_rewrite_hook (dirnamep)
- char **dirnamep;
-{
- char *ldirname, cwd[PATH_MAX], *retdir, *ld;
- int n, ldlen;
-
- ldirname = *dirnamep;
-
- if (*ldirname == '/')
- return 0;
-
- n = get_inferior_cwd (cwd, sizeof(cwd) - 1);
- if (n < 0)
- return 0;
- if (n == 0) /* current directory */
- {
- cwd[0] = '.';
- cwd[1] = '\0';
- n = 1;
- }
-
- /* Minimally canonicalize ldirname by removing leading `./' */
- for (ld = ldirname; *ld; )
- {
- if (ISDIRSEP (ld[0]))
- ld++;
- else if (ld[0] == '.' && PATHSEP(ld[1]))
- ld++;
- else
- break;
- }
- ldlen = (ld && *ld) ? strlen (ld) : 0;
-
- retdir = (char *)malloc (n + ldlen + 3);
- if (retdir == 0)
- return 0;
- if (ldlen)
- sprintf (retdir, "%s/%s", cwd, ld);
- else
- strcpy (retdir, cwd);
- free (ldirname);
-
- *dirnamep = retdir;
-
- DPRINT1("rl_directory_rewrite_hook returns %s\n", retdir);
- return 1;
-}
-
-/* Translate *DIRNAMEP to be relative to the inferior's CWD. Leave a trailing
- slash on the result. */
-static int
-rlfe_directory_completion_hook (dirnamep)
- char **dirnamep;
-{
- char *ldirname, *retdir;
- int n, ldlen;
-
- ldirname = *dirnamep;
-
- if (*ldirname == '/')
- return 0;
-
- n = rlfe_directory_rewrite_hook (dirnamep);
- if (n == 0)
- return 0;
-
- ldirname = *dirnamep;
- ldlen = (ldirname && *ldirname) ? strlen (ldirname) : 0;
-
- if (ldlen == 0 || ldirname[ldlen - 1] != '/')
- {
- retdir = (char *)malloc (ldlen + 3);
- if (retdir == 0)
- return 0;
- if (ldlen)
- strcpy (retdir, ldirname);
- else
- retdir[ldlen++] = '.';
- retdir[ldlen] = '/';
- retdir[ldlen+1] = '\0';
- free (ldirname);
-
- *dirnamep = retdir;
- }
-
- DPRINT1("rl_directory_completion_hook returns %s\n", retdir);
- return 1;
-}
-
-static char *
-rlfe_filename_completion_function (text, state)
- const char *text;
- int state;
-{
- static DIR *directory;
- static char *filename = (char *)NULL;
- static char *dirname = (char *)NULL, *ud = (char *)NULL;
- static int flen, udlen;
- char *temp;
- struct dirent *dentry;
-
- if (state == 0)
- {
- if (directory)
- {
- closedir (directory);
- directory = 0;
- }
- FREE (dirname);
- FREE (filename);
- FREE (ud);
-
- if (text && *text)
- STRDUP (filename, text);
- else
- {
- filename = malloc(1);
- if (filename == 0)
- return ((char *)NULL);
- filename[0] = '\0';
- }
- dirname = (text && *text) ? strdup (text) : strdup (".");
- if (dirname == 0)
- return ((char *)NULL);
-
- temp = strrchr (dirname, '/');
- if (temp)
- {
- strcpy (filename, ++temp);
- *temp = '\0';
- }
- else
- {
- dirname[0] = '.';
- dirname[1] = '\0';
- }
-
- STRDUP (ud, dirname);
- udlen = strlen (ud);
-
- rlfe_directory_completion_hook (&dirname);
-
- directory = opendir (dirname);
- flen = strlen (filename);
-
- rl_filename_completion_desired = 1;
- }
-
- dentry = 0;
- while (directory && (dentry = readdir (directory)))
- {
- if (flen == 0)
- {
- if (DOT_OR_DOTDOT(dentry->d_name) == 0)
- break;
- }
- else
- {
- if ((dentry->d_name[0] == filename[0]) &&
- (strlen (dentry->d_name) >= flen) &&
- (strncmp (filename, dentry->d_name, flen) == 0))
- break;
- }
- }
-
- if (dentry == 0)
- {
- if (directory)
- {
- closedir (directory);
- directory = 0;
- }
- FREE (dirname);
- FREE (filename);
- FREE (ud);
- dirname = filename = ud = 0;
- return ((char *)NULL);
- }
-
- if (ud == 0 || (ud[0] == '.' && ud[1] == '\0'))
- temp = strdup (dentry->d_name);
- else
- {
- temp = malloc (1 + udlen + strlen (dentry->d_name));
- strcpy (temp, ud);
- strcpy (temp + udlen, dentry->d_name);
- }
- return (temp);
-}
generated by cgit v1.1 at 2024-12-18 19:54:56 +0000