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author | Andrew Cagney <cagney@redhat.com> | 2002-08-24 00:09:22 +0000 |
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committer | Andrew Cagney <cagney@redhat.com> | 2002-08-24 00:09:22 +0000 |
commit | 2ba146cd6fea7b7ba17f7dce0476c970e82c5398 (patch) | |
tree | cae590aed6ce605478cd5f58f92a15ad6a1458b4 /readline/examples | |
parent | 0becb2ae2137bedf861c2afe49665060f5baa680 (diff) | |
download | gdb-2ba146cd6fea7b7ba17f7dce0476c970e82c5398.zip gdb-2ba146cd6fea7b7ba17f7dce0476c970e82c5398.tar.gz gdb-2ba146cd6fea7b7ba17f7dce0476c970e82c5398.tar.bz2 |
Dummy commit. Get CVS off the branch.
Diffstat (limited to 'readline/examples')
-rw-r--r-- | readline/examples/rlfe.c | 383 |
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); -} |