* $Source$
* $Author$
* $Header$
- * $Log$
- * Revision 1.2 1987-08-03 04:16:51 wesommer
- * Here's another, which is probably better.
- *
- * Revision 1.1 87/07/31 18:02:23 ambar
- * Initial revision
- *
*
* Generic menu system module.
*
#ifndef lint
static char rcsid_menu_c[] = "$Header$";
+
#endif lint
+#include <mit-copyright.h>
+#include <sys/types.h>
#include <stdio.h>
+#include <signal.h>
#include <curses.h>
#include <ctype.h>
+#include <strings.h>
+#include <varargs.h>
+#include <com_err.h>
#include "menu.h"
-#define MAX(A,B) ((A) > (B) ? (A) : (B))
-#define MIN(A,B) ((A) < (B) ? (A) : (B))
+#ifndef __STDC__
+#define const
+#endif
+
+#define MAX(A,B) ((A) > (B) ? (A) : (B))
+#define MIN(A,B) ((A) < (B) ? (A) : (B))
+#define CTL(ch) ((ch) & 037)
#define MIN_INPUT 2 /* Minimum number of lines for input window */
-char *strcpy();
-char *strncpy();
+extern FILE *fdopen();
+extern int getpid();
+extern char *calloc();
+extern char *whoami;
+
+FILE *log_file = (FILE *) NULL; /* file stream of log file */
+int more_flg = 1;
/* Structure for holding current displayed menu */
struct menu_screen {
WINDOW *ms_menu; /* Menu subwindow */
WINDOW *ms_input; /* Input subwindow */
int ms_input_y; /* Input subwindow reference coordinate */
-} *cur_ms;
+} *cur_ms;
#define NULLMS ((struct menu_screen *) 0)
Menu *top_menu; /* Root for command search */
+/*
+ * Hook function to cause error messages to be printed through
+ * curses instead of around it.
+ */
+
+void
+menu_com_err_hook(who, code, fmt, args)
+ const char *who;
+ long code;
+ const char *fmt;
+ va_list args;
+{
+ char buf[BUFSIZ], *cp;
+
+ FILE _strbuf;
+
+ (void) strcpy(buf, who);
+ for (cp = buf; *cp; cp++);
+ *cp++ = ':';
+ *cp++ = ' ';
+ if (code) {
+ (void) strcpy(cp, error_message(code));
+ while (*cp)
+ cp++;
+ }
+ _strbuf._flag = _IOWRT + _IOSTRG;
+ _strbuf._ptr = cp;
+ _strbuf._cnt = BUFSIZ - (cp - buf);
+ _doprnt(fmt, args, &_strbuf);
+ (void) putc('\0', &_strbuf);
+ Put_message(buf);
+}
+
/*
* Start_menu takes a menu as an argument. It initializes curses u.s.w.,
* and a quit in any submenu should unwind back to here. (it might not,
* Start_menu should only be called once, at the start of the program.
*/
Start_menu(m)
-Menu *m;
+ Menu *m;
{
struct menu_screen *make_ms();
-
- if(initscr() == ERR) {
+#ifdef __STDC__
+ register void (*old_hook)(const char *, long, const char *, va_list) = set_com_err_hook(menu_com_err_hook);
+#else
+ register void (*old_hook)() = set_com_err_hook(menu_com_err_hook);
+#endif
+
+ if (initscr() == ERR) {
fputs("Can't initialize curses!\n", stderr);
Start_no_menu(m);
+ } else {
+ (void) raw(); /* We parse & print everything ourselves */
+ (void) noecho();
+ cur_ms = make_ms(0); /* So we always have some current */
+ /* menu_screen */
+ /* Run the menu */
+ (void) Do_menu(m, -1, (char **) NULL);
+ }
+ (void) set_com_err_hook(old_hook);
+ Cleanup_menu();
+}
+
+Cleanup_menu()
+{
+ if (cur_ms) {
+ (void) wclear(cur_ms->ms_screen);
+ (void) wrefresh(cur_ms->ms_screen);
}
- raw(); /* We parse & print everything ourselves */
- noecho();
- cur_ms = make_ms(0); /* So we always have some current menu_screen */
- top_menu = m;
- (void) Do_menu(m); /* Run the menu */
endwin();
}
+
/* Like Start_menu, except it doesn't print menus and doesn't use curses */
Start_no_menu(m)
-Menu *m;
+ Menu *m;
{
cur_ms = NULLMS;
- top_menu = m;
- (void) Do_menu(m);
+ COLS = 80;
+ /* Run the menu */
+ (void) Do_menu(m, -1, (char **) NULL);
}
/*
* Create a new menu screen template with the specified menu length
* and return it.
*/
-struct menu_screen *make_ms(length)
-int length;
+struct menu_screen *
+make_ms(length)
+ int length;
{
struct menu_screen *ms;
char *malloc();
- if(MAX_TITLE + length + MIN_INPUT > LINES) {
+ if (MAX_TITLE + length + MIN_INPUT > LINES) {
fputs("Menu too big!\n", stderr);
exit(2);
}
(void) wmove(ms->ms_input, 0, 0);
(void) wclear(ms->ms_screen);
- return(ms);
+ return (ms);
}
/*
* This routine destroys a menu_screen.
*/
destroy_ms(ms)
-struct menu_screen *ms;
+ struct menu_screen *ms;
{
delwin(ms->ms_title);
delwin(ms->ms_menu);
delwin(ms->ms_input);
delwin(ms->ms_screen);
- free((char *)ms);
+ free((char *) ms);
}
/*
* This guy actually puts up the menu
+ * Note: if margc < 0, no 'r' option will be displayed (i.e., on the
+ * top level menu)
*/
-int Do_menu(m)
-Menu *m;
+int
+Do_menu(m, margc, margv)
+ Menu *m;
+ int margc;
+ char *margv[];
{
- struct menu_screen *my_ms, *old_cur_ms;
+ struct menu_screen *my_ms = NULLMS, *old_cur_ms = NULLMS;
char argvals[MAX_ARGC][MAX_ARGLEN]; /* This is where args are stored */
char buf[MAX_ARGC * MAX_ARGLEN];
char *argv[MAX_ARGC];
int i;
struct menu_line *command, *Find_command();
int argc;
- int quitflag;
-
+ int quitflag, is_topmenu = (margc < 0);
+ int toggle_logging();
+
/* Entry function gets called with old menu_screen still current */
- if(m->m_entry != NULLFUNC) m->m_entry(m);
+ if (m->m_entry != NULLFUNC)
+ if (m->m_entry(m, margc, margv) == DM_QUIT)
+ return DM_NORMAL;
/* The following get run only in curses mode */
- if(cur_ms != NULLMS) {
+ if (cur_ms != NULLMS) {
/* Get a menu_screen */
old_cur_ms = cur_ms;
- cur_ms = my_ms = make_ms(m->m_length + 2);
+ /* 2 is for the 2 obligatory lines; quit and toggle */
+ cur_ms = my_ms = make_ms(m->m_length + 2 + (is_topmenu ? 0 : 1));
/* Now print the title and the menu */
- (void) wmove(my_ms->ms_title, 0, MAX(0, (COLS - strlen(m->m_title))>>1));
+ (void) wclear(my_ms->ms_menu);
+ (void) wmove(my_ms->ms_title, 0, MAX(0, (COLS -
+ strlen(m->m_title)) >> 1));
(void) wstandout(my_ms->ms_title);
(void) waddstr(my_ms->ms_title, m->m_title);
(void) wstandend(my_ms->ms_title);
- for(line = 0; line < m->m_length; line++) {
+ for (line = 0; line < m->m_length; line++) {
+ int len = strlen(m->m_lines[line].ml_command);
+ if (len > 12) len=12;
+
(void) wmove(my_ms->ms_menu, line, 0);
- (void) wprintw(my_ms->ms_menu, "%2d. (%-12s) %s.", line+1,
- m->m_lines[line].ml_command,
- m->m_lines[line].ml_doc);
+
+ (void) wprintw(my_ms->ms_menu, "%2d. (%s)%*s %s.", line + 1,
+ m->m_lines[line].ml_command,
+ 12-len, "",
+ m->m_lines[line].ml_doc);
}
(void) wmove(my_ms->ms_menu, line++, 0);
- (void) waddstr(my_ms->ms_menu, " r. (return ) Return to previous menu.");
+ if (!is_topmenu) {
+ (void) waddstr(my_ms->ms_menu,
+ " r. (return) Return to previous menu.");
+ (void) wmove(my_ms->ms_menu, line++, 0);
+ }
+ (void) waddstr(my_ms->ms_menu,
+ " t. (toggle) Toggle logging on and off.");
(void) wmove(my_ms->ms_menu, line, 0);
- (void) waddstr(my_ms->ms_menu, " q. (quit ) Quit.");
-
+ (void) waddstr(my_ms->ms_menu, " q. (quit) Quit.");
+ } else {
+ Put_message(m->m_title);
+ for (line = 0; line < m->m_length; line++) {
+ sprintf(buf, "%2d. (%s)%*s %s.", line + 1,
+ m->m_lines[line].ml_command,
+ 12 - strlen(m->m_lines[line].ml_command), "",
+ m->m_lines[line].ml_doc);
+ Put_message(buf);
+ }
+ if (!is_topmenu)
+ Put_message(" r. (return) Return to previous menu.");
+ Put_message(" t. (toggle) Toggle logging on and off.");
+ Put_message(" q. (quit) Quit.");
+ Put_message(" ?. Print this information.");
}
- for(;;) {
+ for (;;) {
/* This will be set by a return val from func or submenu */
quitflag = DM_NORMAL;
/* This is here because we may be coming from another menu */
- if(cur_ms != NULL) touchwin(my_ms->ms_screen);
+ if (cur_ms != NULL)
+ touchwin(my_ms->ms_screen);
/* Get a command */
- Prompt_input("Command: ", buf, sizeof(buf));
+ if (!Prompt_input("Command: ", buf, sizeof(buf)))
+ continue;
/* Parse it into the argument list */
/* If there's nothing there, try again */
/* Initialize argv */
- for(argc = 0; argc < MAX_ARGC; argc++) argv[argc] = argvals[argc];
-
- if((argc = Parse_words(buf, argv, MAX_ARGLEN)) == 0) continue;
- if((line = atoi(argv[0])) > 0 && line <= m->m_length) {
- command = &m->m_lines[line-1];
- } else if(!strcmp(argv[0], "r")
- || !strcmp(argv[0], "q")
- || !strcmp(argv[0], "return")
- || !strcmp(argv[0], "quit")) {
+ for (argc = 0; argc < MAX_ARGC; argc++)
+ argv[argc] = argvals[argc];
+
+ if ((argc = Parse_words(buf, argv, MAX_ARGLEN)) == 0)
+ continue;
+ if ((line = atoi(argv[0])) > 0 && line <= m->m_length) {
+ command = &m->m_lines[line - 1];
+ }
+ else if ((!is_topmenu &&
+ (!strcmp(argv[0], "r") || !strcmp(argv[0], "return")))
+ || !strcmp(argv[0], "q") || !strcmp(argv[0], "quit")) {
+
/* here if it's either return or quit */
- if(cur_ms != NULLMS) {
+ if (cur_ms != NULLMS) {
cur_ms = old_cur_ms;
destroy_ms(my_ms);
}
- if(m->m_exit != NULLFUNC) m->m_exit(m);
- return(*argv[0] == 'r' ? DM_NORMAL : DM_QUIT);
- /* finally, try to find it using Find_command */
- } else if ((command = Find_command (argvals[0])) ==
- (struct menu_line *) 0) {
- Put_message("Command not recognized");
- continue;
- }
+ if (m->m_exit != NULLFUNC)
+ m->m_exit(m);
+ return (*argv[0] == 'r' ? DM_NORMAL : DM_QUIT);
+ }
+ else if (argv[0][0] == '?') {
+ for (line = 0; line < m->m_length; line++) {
+ sprintf(buf, "%2d. (%s)%*s %s.", line + 1,
+ m->m_lines[line].ml_command,
+ 12 - strlen(m->m_lines[line].ml_command), "",
+ m->m_lines[line].ml_doc);
+ Put_message(buf);
+ }
+ if (!is_topmenu)
+ Put_message(" r. (return) Return to previous menu.");
+ Put_message(" t. (toggle) Toggle logging on and off.");
+ Put_message(" q. (quit) Quit.");
+ continue;
+ }
+ else if (!strcmp(argv[0], "t") || !strcmp(argv[0], "toggle")) {
+ toggle_logging(argc, argv);
+ continue;
+ }
+ /* finally, try to find it using Find_command */
+ else if ((command = Find_command(m, argvals[0])) ==
+ (struct menu_line *) 0) {
+ Put_message("Command not recognized");
+ continue;
+ }
/* If we got to here, command is a valid menu_line */
/* Send the offical command name into the argv */
(void) strcpy(argvals[0], command->ml_command);
/* Show that we're working on it */
Put_message(command->ml_doc);
/* Print args that we've already got */
- for(i = 1; i < argc; i++) {
- if(command->ml_args[i].ma_prompt == NULL) break;
+ for (i = 1; i < argc; i++) {
+ if (command->ml_args[i].ma_prompt == NULL)
+ break;
(void) sprintf(buf, "%s%s", command->ml_args[i].ma_prompt,
argv[i]);
Put_message(buf);
}
/* Get remaining arguments, if any */
- for(; argc < command->ml_argc; argc++) {
- Prompt_input(command->ml_args[argc].ma_prompt,
- argvals[argc], sizeof(argvals[argc]));
+ for (; argc < command->ml_argc; argc++) {
+ if (!Prompt_input(command->ml_args[argc].ma_prompt,
+ argvals[argc], sizeof(argvals[argc])))
+ goto punt_command;
}
- if(command->ml_function != NULLFUNC) {
+ if (command->ml_function != NULLFUNC) {
/* If it's got a function, call it */
quitflag = command->ml_function(argc, argv);
- } else if(command->ml_submenu != NULLMENU) {
+ }
+ else if (command->ml_submenu != NULLMENU) {
/* Else see if it is a submenu */
- quitflag = Do_menu(command->ml_submenu);
- } else {
+ quitflag = Do_menu(command->ml_submenu, argc, argv);
+ }
+ else {
/* If it's got neither, something is wrong */
Put_message("*INTERNAL ERROR: NO FUNCTION OR MENU FOR LINE*");
}
- if(quitflag == DM_QUIT) {
- if(cur_ms != NULLMS) {
+ if (quitflag == DM_QUIT) {
+ if (cur_ms != NULLMS) {
cur_ms = old_cur_ms;
destroy_ms(my_ms);
}
- if(m->m_exit != NULLFUNC) m->m_exit(m);
- return(DM_QUIT);
+ if (m->m_exit != NULLFUNC)
+ m->m_exit(m);
+ return (DM_QUIT);
}
+ punt_command:
+ ;
}
}
/* Prompt the user for input in the input window of cur_ms */
-Prompt_input(prompt, buf, buflen)
-char *prompt;
-char *buf;
-int buflen;
+int Prompt_input(prompt, buf, buflen)
+ char *prompt;
+ char *buf;
+ int buflen;
+{
+ int c;
+ char *p;
+ int y, x, oldx, oldy;
+
+ if (cur_ms != NULLMS) {
+ more_flg = 1;
+ getyx(cur_ms->ms_input, y, x);
+ (void) wmove(cur_ms->ms_input, y, 0);
+
+ touchwin(cur_ms->ms_screen);
+ refresh_ms(cur_ms);
+ (void) waddstr(cur_ms->ms_input, prompt);
+ getyx(cur_ms->ms_input, y, x);
+
+ oldx = x;
+ oldy = y;
+ p = buf;
+ while(1) {
+ (void) wmove(cur_ms->ms_input, y, x);
+ (void) touchwin(cur_ms->ms_screen);
+ (void) wclrtoeol(cur_ms->ms_input);
+ refresh_ms(cur_ms);
+ c = getchar() & 0x7f;
+ switch (c) {
+ case CTL('C'):
+ *p = '\0';
+ return 0;
+ case CTL('Z'):
+ (void) kill(getpid(), SIGTSTP);
+ touchwin(curscr);
+ break;
+ case CTL('L'):
+ (void) wclear(cur_ms->ms_input);
+ (void) waddstr(cur_ms->ms_input, prompt);
+ (void) touchwin(cur_ms->ms_screen);
+#ifdef notdef
+ refresh_ms(cur_ms);
+#endif notdef
+ getyx(cur_ms->ms_input, y, x);
+ oldy = y;
+ oldx = x;
+ p = buf;
+ break;
+
+ case '\n':
+ case '\r':
+ goto end_input;
+ /* these should be obtained by doing ioctl() on tty */
+ case '\b':
+ case '\177':
+ if (p > buf) {
+ p--;
+ x--;
+ if (x < 0) {
+ (void) wmove(cur_ms->ms_input, y, 0);
+ (void) wclrtoeol(cur_ms->ms_input);
+ y--;
+ x = cur_ms->ms_input->_maxx-1;
+ }
+ }
+ break;
+ case CTL('U'):
+ case CTL('G'):
+ case CTL('['):
+ x = oldx;
+ y = oldy;
+ p = buf;
+ break;
+ default:
+ /* (buflen - 1) leaves room for the \0 */
+ if (isprint(c) && (p - buf < buflen - 1)) {
+ (void) waddch(cur_ms->ms_input, c);
+ *p++ = c;
+ x++;
+ if (x >= cur_ms->ms_input->_maxx) {
+ x = 0;
+ y++;
+ }
+ } else
+ putchar(CTL('G'));
+ break;
+ }
+ }
+ end_input:
+ (void) waddch(cur_ms->ms_input, '\n');
+ (void) waddch(cur_ms->ms_input, '\r');
+
+ (void) wclrtoeol(cur_ms->ms_input);
+ refresh_ms(cur_ms);
+ *p = '\0';
+ Start_paging();
+ goto gotit;
+ } else {
+ printf("%s", prompt);
+ if (gets(buf) == NULL)
+ return 0;
+ Start_paging();
+ goto gotit;
+ }
+gotit:
+ strcpy(buf, strtrim(buf));
+ return 1;
+}
+
+/* Prompt the user for input in the input window of cur_ms, but don't echo
+ and allow some control characters */
+int Password_input(prompt, buf, buflen)
+ char *prompt;
+ char *buf;
+ int buflen;
{
int c;
char *p;
int y, x, oldx;
- if(cur_ms != NULLMS) {
+ if (cur_ms != NULLMS) {
+ more_flg = 1;
+ getyx(cur_ms->ms_input, y, x);
+ (void) wmove(cur_ms->ms_input, y, 0);
+
+ touchwin(cur_ms->ms_screen);
+ refresh_ms(cur_ms);
(void) waddstr(cur_ms->ms_input, prompt);
getyx(cur_ms->ms_input, y, x);
+
oldx = x;
- for (p = buf; p - buf < buflen; ) {
+ for (p = buf; p - buf < buflen;) {
(void) wmove(cur_ms->ms_input, y, x);
(void) wclrtoeol(cur_ms->ms_input);
refresh_ms(cur_ms);
- c = getchar();
+ c = getchar() & 0x7f;
switch (c) {
- case 'L' & 037:
- touchwin(cur_ms->ms_screen);
+ case CTL('C'):
+ return 0;
+ case CTL('Z'):
+ (void) kill(getpid(), SIGTSTP);
+ touchwin(curscr);
break;
- case '\n': case '\r':
+ case CTL('L'):
+ (void) wclear(cur_ms->ms_input);
+ (void) waddstr(cur_ms->ms_input, prompt);
+ refresh_ms(cur_ms);
+ getyx(cur_ms->ms_input, y, x);
+ break;
+ case '\n':
+ case '\r':
(void) waddch(cur_ms->ms_input, '\n');
+ (void) waddch(cur_ms->ms_input, '\r');
+
+ (void) wclrtoeol(cur_ms->ms_input);
+ refresh_ms(cur_ms);
*p = '\0';
Start_paging();
- return;
+ return 1;
case '\b':
case '\177':
if (p > buf) {
x--;
}
break;
- case 'U' & 037: case '\007': case '\033':
+ case CTL('U'):
x = oldx;
+ p = buf;
break;
default:
- (void) waddch(cur_ms->ms_input, c);
*p++ = c;
- x++;
break;
}
}
- } else {
+ }
+ else {
+ struct sgttyb ttybuf, nttybuf;
printf("%s", prompt);
- (void) gets(buf);
+ /* turn off echoing */
+ (void) ioctl(0, TIOCGETP, (char *)&ttybuf);
+ nttybuf = ttybuf;
+ nttybuf.sg_flags &= ~ECHO;
+ (void)ioctl(0, TIOCSETP, (char *)&nttybuf);
+ if (gets(buf) == NULL) {
+ (void) ioctl(0, TIOCSETP, (char *)&ttybuf);
+ putchar('\n');
+ return 0;
+ }
+ putchar('\n');
+ (void) ioctl(0, TIOCSETP, (char *)&ttybuf);
Start_paging();
- return;
+ return 1;
}
+ return 0;
}
int lines_left;
one at the top of the screen when a ---More--- prompt is displayed */
Start_paging()
{
- if(cur_ms != NULLMS) {
+ if (cur_ms != NULLMS) {
lines_left = LINES - cur_ms->ms_input_y - 1;
- } else {
+ }
+ else {
lines_left = 23;
}
}
lines_left = -1;
}
-/* Print a message in the input window of cur_ms */
+/* Print a message in the input window of cur_ms. */
Put_message(msg)
char *msg;
{
- int y, x;
+ char *copy, *line, *s;
+
+ copy = (char *) malloc((u_int)COLS);
+ s = line = msg;
+ if (log_file) { /* if we're doing logging; we assume that the */
+ /* file has already been opened. */
+ (void) fprintf(log_file, "%s\n", msg);
+ fflush(log_file);
+ }
+
+ while(*s++) {
+ if (s - line >= COLS-1) {
+ (void) strncpy(copy, line, COLS-1);
+ line += COLS-1;
+ } else if (*s == '\n') {
+ *s = '\0';
+ (void) strcpy(copy, line);
+ line = ++s;
+ } else
+ continue;
+ Put_line(copy);
+ }
+ Put_line(line);
+ free(copy);
+}
+
+/* Will be truncated to COLS characters. */
+Put_line(msg)
+char *msg;
+{
+ int y, x, i;
+ char *msg1, chr;
+
+ if (!more_flg)
+ return;
- if(lines_left >= 0) {
- if(--lines_left == 0) {
+ if (lines_left >= 0) {
+ if (--lines_left == 0) {
/* Give the user a more prompt */
- if(cur_ms != NULLMS) {
+ if (cur_ms != NULLMS) {
(void) wstandout(cur_ms->ms_input);
(void) wprintw(cur_ms->ms_input, "---More---");
(void) wstandend(cur_ms->ms_input);
refresh_ms(cur_ms);
- (void) getchar(); /* We don't care what it is */
+ chr = getchar() & 0x7f;/* We do care what it is */
+ if (chr == 'q' || chr == 'Q') {
+ more_flg = 0;
+ return;
+ }
getyx(cur_ms->ms_input, y, x);
+ /* x is a bitbucket; avoid lint problems */
+ x=x;
(void) wmove(cur_ms->ms_input, y, 0);
(void) wclrtoeol(cur_ms->ms_input);
- } else {
+ }
+ else {
printf("---More (hit return)---");
- (void) getchar();
+ getchar();
}
Start_paging(); /* Reset lines_left */
}
}
-
- if(cur_ms != NULLMS) {
- (void) wprintw(cur_ms->ms_input, "%s\n", msg);
+
+ if (cur_ms != NULLMS) {
+ msg1 = (char *) calloc((u_int)COLS, 1);
+ (void) strncpy(msg1, msg, COLS-1);
+ for (i = strlen(msg1); i < COLS - 1; i++)
+ msg1[i] = ' ';
+ (void) wprintw(cur_ms->ms_input, "%s\n", msg1);
/* refresh_ms(cur_ms); */
- } else {
+ }
+ else {
puts(msg);
}
}
/* Refresh a menu_screen onto the real screen */
refresh_ms(ms)
-struct menu_screen *ms;
+ struct menu_screen *ms;
{
int y, x;
argv. Space for these strings must have already been allocated.
Only the first n characters of each word will be copied */
Parse_words(buf, argv, n)
-char *buf;
-char *argv[];
+ char *buf;
+ char *argv[];
int n;
+
{
char *start, *end; /* For sausage machine */
int argc;
start = buf;
- for(argc = 0; argc < MAX_ARGC; argc++) {
- while(isspace(*start)) start++; /* Kill whitespace */
- if(*start == '\0') break; /* Nothing left */
+ for (argc = 0; argc < MAX_ARGC; argc++) {
+ while (isspace(*start))
+ start++; /* Kill whitespace */
+ if (*start == '\0')
+ break; /* Nothing left */
/* Now find the end of the word */
- for(end = start; *end != '\0' && !isspace(*end); end++);
- (void) strncpy(argv[argc], start, MIN(end - start, n)); /* Copy it */
- argv[argc][MIN(end - start, n-1)] = '\0'; /* Terminate */
+ for (end = start; *end != '\0' && !isspace(*end); end++);
+ (void) strncpy(argv[argc], start, MIN(end - start, n)); /* Copy it */
+ argv[argc][MIN(end - start, n - 1)] = '\0'; /* Terminate */
start = end;
}
- return(argc);
+ return (argc);
}
/* This is the internal form of Find_command, which recursively searches
for a menu_line with command command in the specified menu */
/* It will search to a maximum depth of d */
-struct menu_line *find_command_from(c, m, d)
-char *c;
-struct menu *m;
-int d;
+struct menu_line *
+find_command_from(c, m, d)
+ char *c;
+ struct menu *m;
+ int d;
{
int line;
struct menu_line *maybe;
- if(d < 0) return((struct menu_line *) 0); /* Too deep! */
- for(line = 0; line < m->m_length; line++) {
- if(!strcmp(c, m->m_lines[line].ml_command)) {
- return(&m->m_lines[line]);
- } else if(m->m_lines[line].ml_submenu != NULLMENU
- && (maybe =
- find_command_from(c, m->m_lines[line].ml_submenu, d-1))
- != (struct menu_line *) 0) {
- return(maybe);
- }
+ if (d < 0)
+ return ((struct menu_line *) 0); /* Too deep! */
+ for (line = 0; line < m->m_length; line++) {
+ if (!strcmp(c, m->m_lines[line].ml_command)) {
+ return (&m->m_lines[line]);
+ }
+ }
+ for (line = 0; line < m->m_length; line++) {
+ if (m->m_lines[line].ml_submenu != NULLMENU &&
+ (maybe = find_command_from(c, m->m_lines[line].ml_submenu, d - 1))
+ != (struct menu_line *) 0) {
+ return (maybe);
+ }
}
/* If we got to here, nothing works */
- return((struct menu_line *) 0);
+ return ((struct menu_line *) 0);
}
/* Find_command searches down the current menu tree */
/* And returns a pointer to a menu_line with the specified command name */
/* It returns (struct menu_line *) 0 if none is found */
-struct menu_line *Find_command(command)
-char *command;
+struct menu_line *
+Find_command(m, command)
+ Menu *m;
+ char *command;
{
- if(top_menu == NULLMENU) {
- return((struct menu_line *) 0);
- } else {
- return(find_command_from(command, top_menu, MAX_MENU_DEPTH));
+ if (m == NULLMENU) {
+ return ((struct menu_line *) 0);
+ }
+ else {
+ return (find_command_from(command, m, MAX_MENU_DEPTH));
}
}
-/*
- * Local Variables:
- * mode: c
- * c-indent-level: 4
- * c-continued-statement-offset: 4
- * c-brace-offset: -4
- * c-argdecl-indent: 4
- * c-label-offset: -4
- * End:
- */
+/*ARGSUSED*/
+int
+toggle_logging(argc, argv)
+ int argc;
+ char *argv[];
+{
+ int pid;
+ char buf[BUFSIZ];
+
+ if (log_file == (FILE *) NULL) {
+ pid = getpid();
+ if (!whoami) {
+ Put_message("I've lost my SENSE of DIRECTION! I have no IDEA who I AM!");
+ Put_message("My God... You've turned him into a DEMOCRAT!!");
+ Put_message(" -- Doonesbury");
+ Put_message("");
+ Put_message("translation: your log file can be found in \"/usr/tmp/a.out.pid\".");
+ whoami = "a.out";
+ (void) sprintf(buf, "/usr/tmp/%s-log.%d", whoami, pid);
+ }
+ else
+ (void) sprintf(buf, "/usr/tmp/%s-log.%d", whoami, pid);
+
+ /* open the file */
+ log_file = fopen(buf,"a");
+
+ if (log_file == (FILE *) NULL)
+ Put_message("Open of log file failed. Logging is not on.");
+ else
+ Put_message("Log file successfully opened.");
+ }
+ else { /* log_file is a valid pointer; turn off logging. */
+ (void) fflush(log_file);
+ (void) fclose(log_file);
+ log_file = (FILE *) NULL;
+ Put_message("Logging off.");
+ }
+ return(DM_NORMAL);
+}
andersk / moira.git / blobdiff