File: [local] / src / usr.bin / mg / extend.c (download)
Revision 1.6, Mon Jan 29 01:58:07 2001 UTC (23 years, 3 months ago) by niklas
Branch: MAIN
CVS Tags: OPENBSD_2_9_BASE, OPENBSD_2_9
Changes since 1.5: +2 -0 lines
$OpenBSD$
|
/* $OpenBSD: extend.c,v 1.6 2001/01/29 01:58:07 niklas Exp $ */
/*
* Extended (M-X) commands, rebinding, and startup file processing.
*/
#include "def.h"
#include "kbd.h"
#ifndef NO_MACRO
#include "macro.h"
#endif /* !NO_MACRO */
#ifdef FKEYS
#include "key.h"
#ifndef NO_STARTUP
#ifndef BINDKEY
#define BINDKEY /* bindkey is used by FKEYS startup code */
#endif /* !BINDKEY */
#endif /* !NO_STARTUP */
#endif /* FKEYS */
static int remap __P((KEYMAP *, int, PF, KEYMAP *));
static KEYMAP *realocmap __P((KEYMAP *));
static VOID fixmap __P((KEYMAP *, KEYMAP *, KEYMAP *));
static int dobind __P((KEYMAP *, char *, int));
static char *skipwhite __P((char *));
static char *parsetoken __P((char *));
static int bindkey __P((KEYMAP **, char *, KCHAR *, int));
/*
* Insert a string, mainly for use from macros (created by selfinsert)
*/
/* ARGSUSED */
int
insert(f, n)
int f, n;
{
char *cp;
char buf[128];
#ifndef NO_MACRO
int count, c;
if (inmacro) {
while (--n >= 0) {
for (count = 0; count < maclcur->l_used; count++) {
if ((((c = maclcur->l_text[count]) == '\n')
? lnewline() : linsert(1, c)) != TRUE)
return FALSE;
}
}
maclcur = maclcur->l_fp;
return TRUE;
}
if (n == 1)
/* CFINS means selfinsert can tack on the end */
thisflag |= CFINS;
#endif /* !NO_MACRO */
if (eread("Insert: ", buf, sizeof(buf), EFNEW) == FALSE)
return FALSE;
while (--n >= 0) {
cp = buf;
while (*cp) {
if (((*cp == '\n') ? lnewline() : linsert(1, *cp))
!= TRUE)
return FALSE;
cp++;
}
}
return TRUE;
}
/*
* Bind a key to a function. Cases range from the trivial (replacing an
* existing binding) to the extremly complex (creating a new prefix in a
* map_element that already has one, so the map_element must be split,
* but the keymap doesn't have enough room for another map_element, so
* the keymap is reallocated). No attempt is made to reclaim space no
* longer used, if this is a problem flags must be added to indicate
* malloced verses static storage in both keymaps and map_elements.
* Structure assignments would come in real handy, but K&R based compilers
* don't have them. Care is taken so running out of memory will leave
* the keymap in a usable state.
*/
static int
remap(curmap, c, funct, pref_map)
KEYMAP *curmap; /* pointer to the map being changed */
int c; /* character being changed */
PF funct; /* function being changed to */
KEYMAP *pref_map; /* if funct==prefix, map to bind to or
NULL for new */
{
int i, n1, n2, nold;
KEYMAP *mp;
PF *pfp;
MAP_ELEMENT *mep;
if (ele >= &curmap->map_element[curmap->map_num] || c < ele->k_base) {
if (ele > &curmap->map_element[0] && (funct != prefix ||
(ele - 1)->k_prefmap == NULL))
n1 = c - (ele - 1)->k_num;
else
n1 = HUGE;
if (ele < &curmap->map_element[curmap->map_num] &&
(funct != prefix || ele->k_prefmap == NULL))
n2 = ele->k_base - c;
else
n2 = HUGE;
if (n1 <= MAPELEDEF && n1 <= n2) {
ele--;
if ((pfp = (PF *)malloc((c - ele->k_base + 1) *
sizeof(PF))) == NULL) {
ewprintf("Out of memory");
return FALSE;
}
nold = ele->k_num - ele->k_base + 1;
for (i = 0; i < nold; i++)
pfp[i] = ele->k_funcp[i];
while (--n1)
pfp[i++] = curmap->map_default;
pfp[i] = funct;
ele->k_num = c;
ele->k_funcp = pfp;
} else if (n2 <= MAPELEDEF) {
if ((pfp = (PF *)malloc((ele->k_num - c + 1) *
sizeof(PF))) == NULL) {
ewprintf("Out of memory");
return FALSE;
}
nold = ele->k_num - ele->k_base + 1;
for (i = 0; i < nold; i++)
pfp[i + n2] = ele->k_funcp[i];
while (--n2)
pfp[n2] = curmap->map_default;
pfp[0] = funct;
ele->k_base = c;
ele->k_funcp = pfp;
} else {
if (curmap->map_num >= curmap->map_max &&
(curmap = realocmap(curmap)) == NULL)
return FALSE;
if ((pfp = (PF *)malloc(sizeof(PF))) == NULL) {
ewprintf("Out of memory");
return FALSE;
}
pfp[0] = funct;
for (mep = &curmap->map_element[curmap->map_num];
mep > ele; mep--) {
mep->k_base = (mep - 1)->k_base;
mep->k_num = (mep - 1)->k_num;
mep->k_funcp = (mep - 1)->k_funcp;
mep->k_prefmap = (mep - 1)->k_prefmap;
}
ele->k_base = c;
ele->k_num = c;
ele->k_funcp = pfp;
ele->k_prefmap = NULL;
curmap->map_num++;
}
if (funct == prefix) {
if (pref_map != NULL) {
ele->k_prefmap = pref_map;
} else {
if (!(mp = (KEYMAP *)malloc(sizeof(KEYMAP) +
(MAPINIT - 1) * sizeof(MAP_ELEMENT)))) {
ewprintf("Out of memory");
ele->k_funcp[c - ele->k_base] =
curmap->map_default;
return FALSE;
}
mp->map_num = 0;
mp->map_max = MAPINIT;
mp->map_default = rescan;
ele->k_prefmap = mp;
}
}
} else {
n1 = c - ele->k_base;
if (ele->k_funcp[n1] == funct && (funct != prefix ||
pref_map == NULL || pref_map == ele->k_prefmap))
/* no change */
return TRUE;
if (funct != prefix || ele->k_prefmap == NULL) {
if (ele->k_funcp[n1] == prefix)
ele->k_prefmap = (KEYMAP *) NULL;
/* easy case */
ele->k_funcp[n1] = funct;
if (funct == prefix) {
if (pref_map != NULL)
ele->k_prefmap = pref_map;
else {
if (!(mp = malloc(sizeof(KEYMAP) +
(MAPINIT - 1) *
sizeof(MAP_ELEMENT)))) {
ewprintf("Out of memory");
ele->k_funcp[c - ele->k_base] =
curmap->map_default;
return FALSE;
}
mp->map_num = 0;
mp->map_max = MAPINIT;
mp->map_default = rescan;
ele->k_prefmap = mp;
}
}
} else {
/*
* This case is the splits.
* Determine which side of the break c goes on
* 0 = after break; 1 = before break
*/
n2 = 1;
for (i = 0; n2 && i < n1; i++)
n2 &= ele->k_funcp[i] != prefix;
if (curmap->map_num >= curmap->map_max &&
(curmap = realocmap(curmap)) == NULL)
return FALSE;
if ((pfp = malloc((ele->k_num - c + !n2) *
sizeof(PF))) == NULL) {
ewprintf("Out of memory");
return FALSE;
}
ele->k_funcp[n1] = prefix;
for (i = n1 + n2; i <= ele->k_num - ele->k_base; i++)
pfp[i - n1 - n2] = ele->k_funcp[i];
for (mep = &curmap->map_element[curmap->map_num];
mep > ele; mep--) {
mep->k_base = (mep - 1)->k_base;
mep->k_num = (mep - 1)->k_num;
mep->k_funcp = (mep - 1)->k_funcp;
mep->k_prefmap = (mep - 1)->k_prefmap;
}
ele->k_num = c - !n2;
(ele + 1)->k_base = c + n2;
(ele + 1)->k_funcp = pfp;
ele += !n2;
ele->k_prefmap = NULL;
curmap->map_num++;
if (pref_map == NULL) {
if ((mp = malloc(sizeof(KEYMAP) + (MAPINIT - 1)
* sizeof(MAP_ELEMENT))) == NULL) {
ewprintf("Out of memory");
ele->k_funcp[c - ele->k_base] =
curmap->map_default;
return FALSE;
}
mp->map_num = 0;
mp->map_max = MAPINIT;
mp->map_default = rescan;
ele->k_prefmap = mp;
} else
ele->k_prefmap = pref_map;
}
}
return TRUE;
}
/*
* Reallocate a keymap, used above.
*/
static KEYMAP *
realocmap(curmap)
KEYMAP *curmap;
{
KEYMAP *mp;
int i;
if ((mp = (KEYMAP *)malloc((unsigned)(sizeof(KEYMAP) +
(curmap->map_max + (MAPGROW - 1)) *
sizeof(MAP_ELEMENT)))) == NULL) {
ewprintf("Out of memory");
return NULL;
}
mp->map_num = curmap->map_num;
mp->map_max = curmap->map_max + MAPGROW;
mp->map_default = curmap->map_default;
for (i = curmap->map_num; i--;) {
mp->map_element[i].k_base = curmap->map_element[i].k_base;
mp->map_element[i].k_num = curmap->map_element[i].k_num;
mp->map_element[i].k_funcp = curmap->map_element[i].k_funcp;
mp->map_element[i].k_prefmap = curmap->map_element[i].k_prefmap;
}
for (i = nmaps; i--;) {
if (map_table[i].p_map == curmap)
map_table[i].p_map = mp;
else
fixmap(curmap, mp, map_table[i].p_map);
}
ele = &mp->map_element[ele - &curmap->map_element[0]];
return mp;
}
/*
* Fix references to a reallocated keymap (recursive).
*/
static VOID
fixmap(curmap, mp, mt)
KEYMAP *mt;
KEYMAP *curmap;
KEYMAP *mp;
{
int i;
for (i = mt->map_num; i--;) {
if (mt->map_element[i].k_prefmap != NULL) {
if (mt->map_element[i].k_prefmap == curmap)
mt->map_element[i].k_prefmap = mp;
else
fixmap(curmap, mp, mt->map_element[i].k_prefmap);
}
}
}
/*
* do the input for local-set-key, global-set-key and define-key
* then call remap to do the work.
*/
static int
dobind(curmap, p, unbind)
KEYMAP *curmap;
char *p;
int unbind;
{
KEYMAP *pref_map = NULL;
PF funct;
char prompt[80];
char *pep;
int c, s;
#ifndef NO_MACRO
if (macrodef) {
/*
* Keystrokes aren't collected. Not hard, but pretty useless.
* Would not work for function keys in any case.
*/
ewprintf("Can't rebind key in macro");
return FALSE;
}
#ifndef NO_STARTUP
if (inmacro) {
for (s = 0; s < maclcur->l_used - 1; s++) {
if (doscan(curmap, c = CHARMASK(maclcur->l_text[s]))
!= prefix) {
if (remap(curmap, c, prefix, (KEYMAP *)NULL)
!= TRUE)
return FALSE;
}
curmap = ele->k_prefmap;
}
(VOID)doscan(curmap, c = maclcur->l_text[s]);
maclcur = maclcur->l_fp;
} else {
#endif /* !NO_STARTUP */
#endif /* !NO_MACRO */
(VOID)strcpy(prompt, p);
pep = prompt + strlen(prompt);
for (;;) {
ewprintf("%s", prompt);
pep[-1] = ' ';
pep = keyname(pep, c = getkey(FALSE));
if (doscan(curmap, c) != prefix)
break;
*pep++ = '-';
*pep = '\0';
curmap = ele->k_prefmap;
}
#ifndef NO_STARTUP
}
#endif /* !NO_STARTUP */
if (unbind)
funct = rescan;
else {
if ((s = eread("%s to command: ", prompt, 80, EFFUNC | EFNEW,
prompt)) != TRUE)
return s;
if (((funct = name_function(prompt)) == prefix) ?
(pref_map = name_map(prompt)) == NULL : funct == NULL) {
ewprintf("[No match]");
return FALSE;
}
}
return remap(curmap, c, funct, pref_map);
}
/*
* bindkey: bind key sequence to a function in the specified map. Used by
* excline so it can bind function keys. To close to release to change
* calling sequence, should just pass KEYMAP *curmap rather than
* KEYMAP **mapp.
*/
#ifdef BINDKEY
static int
bindkey(mapp, fname, keys, kcount)
KEYMAP **mapp;
char *fname;
KCHAR *keys;
int kcount;
{
KEYMAP *curmap = *mapp;
KEYMAP *pref_map = NULL;
PF funct;
int c;
if (fname == NULL)
funct = rescan;
else if (((funct = name_function(fname)) == prefix) ?
(pref_map = name_map(fname)) == NULL : funct == NULL) {
ewprintf("[No match: %s]", fname);
return FALSE;
}
while (--kcount) {
if (doscan(curmap, c = *keys++) != prefix) {
if (remap(curmap, c, prefix, (KEYMAP *)NULL) != TRUE)
return FALSE;
}
curmap = ele->k_prefmap;
}
(VOID)doscan(curmap, c = *keys);
return remap(curmap, c, funct, pref_map);
}
#ifdef FKEYS
/*
* Wrapper for bindkey() that converts escapes.
*/
int
dobindkey(map, func, str)
KEYMAP *map;
char *func;
char *str;
{
int i;
for (i = 0; *str && i < MAXKEY; i++) {
/* XXX - convert numbers w/ strol()? */
if (*str != '\\')
key.k_chars[i] = *str;
else {
switch (*++str) {
case 't':
case 'T':
key.k_chars[i] = '\t';
break;
case 'n':
case 'N':
key.k_chars[i] = '\n';
break;
case 'r':
case 'R':
key.k_chars[i] = '\r';
break;
case 'e':
case 'E':
key.k_chars[i] = CCHR('[');
break;
}
}
str++;
}
key.k_count = i;
return (bindkey(&map, func, key.k_chars, key.k_count));
}
#endif /* FKEYS */
#endif /* BINDKEY */
/*
* This function modifies the fundamental keyboard map.
*/
/* ARGSUSED */
int
bindtokey(f, n)
int f, n;
{
return dobind(map_table[0].p_map, "Global set key: ", FALSE);
}
/*
* This function modifies the current mode's keyboard map.
*/
/* ARGSUSED */
int
localbind(f, n)
int f, n;
{
return dobind(curbp->b_modes[curbp->b_nmodes]->p_map,
"Local set key: ", FALSE);
}
/*
* This function redefines a key in any keymap.
*/
/* ARGSUSED */
int
define_key(f, n)
int f, n;
{
static char buf[48] = "Define key map: ";
MAPS *mp;
buf[16] = '\0';
if (eread(buf, &buf[16], 48 - 16, EFNEW) != TRUE)
return FALSE;
if ((mp = name_mode(&buf[16])) == NULL) {
ewprintf("Unknown map %s", &buf[16]);
return FALSE;
}
(VOID)strncat(&buf[16], " key: ", 48 - 16 - 1);
return dobind(mp->p_map, buf, FALSE);
}
int
unbindtokey(f, n)
int f, n;
{
return dobind(map_table[0].p_map, "Global unset key: ", TRUE);
}
int
localunbind(f, n)
int f, n;
{
return dobind(curbp->b_modes[curbp->b_nmodes]->p_map,
"Local unset key: ", TRUE);
}
/*
* Extended command. Call the message line routine to read in the command
* name and apply autocompletion to it. When it comes back, look the name
* up in the symbol table and run the command if it is found. Print an
* error if there is anything wrong.
*/
int
extend(f, n)
int f, n;
{
PF funct;
int s;
char xname[NXNAME];
if (!(f & FFARG))
s = eread("M-x ", xname, NXNAME, EFNEW | EFFUNC);
else
s = eread("%d M-x ", xname, NXNAME, EFNEW | EFFUNC, n);
if (s != TRUE)
return s;
if ((funct = name_function(xname)) != NULL) {
#ifndef NO_MACRO
if (macrodef) {
LINE *lp = maclcur;
macro[macrocount - 1].m_funct = funct;
maclcur = lp->l_bp;
maclcur->l_fp = lp->l_fp;
free((char *)lp);
}
#endif /* !NO_MACRO */
return (*funct)(f, n);
}
ewprintf("[No match]");
return FALSE;
}
#ifndef NO_STARTUP
/*
* Define the commands needed to do startup-file processing.
* This code is mostly a kludge just so we can get startup-file processing.
*
* If you're serious about having this code, you should rewrite it.
* To wit:
* It has lots of funny things in it to make the startup-file look
* like a GNU startup file; mostly dealing with parens and semicolons.
* This should all vanish.
*
* We define eval-expression because it's easy. It can make
* *-set-key or define-key set an arbitrary key sequence, so it isn't
* useless.
*/
/*
* evalexpr - get one line from the user, and run it.
*/
/* ARGSUSED */
int
evalexpr(f, n)
int f, n;
{
int s;
char exbuf[128];
if ((s = ereply("Eval: ", exbuf, 128)) != TRUE)
return s;
return excline(exbuf);
}
/*
* evalbuffer - evaluate the current buffer as line commands. Useful for
* testing startup files.
*/
/* ARGSUSED */
int
evalbuffer(f, n)
int f, n;
{
LINE *lp;
BUFFER *bp = curbp;
int s;
static char excbuf[128];
for (lp = lforw(bp->b_linep); lp != bp->b_linep; lp = lforw(lp)) {
if (llength(lp) >= 128)
return FALSE;
(VOID)strncpy(excbuf, ltext(lp), llength(lp));
/* make sure it's terminated */
excbuf[llength(lp)] = '\0';
if ((s = excline(excbuf)) != TRUE)
return s;
}
return TRUE;
}
/*
* evalfile - go get a file and evaluate it as line commands. You can
* go get your own startup file if need be.
*/
/* ARGSUSED */
int
evalfile(f, n)
int f, n;
{
int s;
char fname[NFILEN];
if ((s = ereply("Load file: ", fname, NFILEN)) != TRUE)
return s;
return load(fname);
}
/*
* load - go load the file name we got passed.
*/
int
load(fname)
char *fname;
{
int s = TRUE;
int nbytes;
char excbuf[128];
if ((fname = adjustname(fname)) == NULL)
/* just to be careful */
return FALSE;
if (ffropen(fname, (BUFFER *)NULL) != FIOSUC)
return FALSE;
while ((s = ffgetline(excbuf, sizeof(excbuf) - 1, &nbytes)) == FIOSUC) {
excbuf[nbytes] = '\0';
if (excline(excbuf) != TRUE) {
s = FIOERR;
ewprintf("Error loading file %s", fname);
break;
}
}
(VOID)ffclose((BUFFER *)NULL);
excbuf[nbytes] = '\0';
if (s != FIOEOF || (nbytes && excline(excbuf) != TRUE))
return FALSE;
return TRUE;
}
/*
* excline - run a line from a load file or eval-expression. if FKEYS is
* defined, duplicate functionallity of dobind so function key values don't
* have to fit in type char.
*/
int
excline(line)
char *line;
{
PF fp;
LINE *lp, *np;
int status, c, f, n;
char *funcp;
char *argp = NULL;
#ifdef FKEYS
int bind;
KEYMAP *curmap;
MAPS *mp;
#define BINDARG 0 /* this arg is key to bind (local/global set key) */
#define BINDNO 1 /* not binding or non-quoted BINDARG */
#define BINDNEXT 2 /* next arg " (define-key) */
#define BINDDO 3 /* already found key to bind */
#define BINDEXT 1 /* space for trailing \0 */
#else /* FKEYS */
#define BINDEXT 0
#endif /* FKEYS */
lp = NULL;
if (macrodef || inmacro) {
ewprintf("Not now!");
return FALSE;
}
f = 0;
n = 1;
funcp = skipwhite(line);
if (*funcp == '\0')
return TRUE; /* No error on blank lines */
line = parsetoken(funcp);
if (*line != '\0') {
*line++ = '\0';
line = skipwhite(line);
if ((*line >= '0' && *line <= '9') || *line == '-') {
argp = line;
line = parsetoken(line);
}
}
if (argp != NULL) {
f = FFARG;
n = atoi(argp);
}
if ((fp = name_function(funcp)) == NULL) {
ewprintf("Unknown function: %s", funcp);
return FALSE;
}
#ifdef FKEYS
if (fp == bindtokey || fp == unbindtokey) {
bind = BINDARG;
curmap = map_table[0].p_map;
} else if (fp == localbind || fp == localunbind) {
bind = BINDARG;
curmap = curbp->b_modes[curbp->b_nmodes]->p_map;
} else if (fp == define_key)
bind = BINDNEXT;
else
bind = BINDNO;
#endif /* FKEYS */
/* Pack away all the args now... */
if ((np = lalloc(0)) == FALSE)
return FALSE;
np->l_fp = np->l_bp = maclcur = np;
while (*line != '\0') {
argp = skipwhite(line);
if (*argp == '\0')
break;
line = parsetoken(argp);
if (*argp != '"') {
if (*argp == '\'')
++argp;
if (!(lp = lalloc((int) (line - argp) + BINDEXT))) {
status = FALSE;
goto cleanup;
}
bcopy(argp, ltext(lp), (int)(line - argp));
#ifdef FKEYS
/* don't count BINDEXT */
lp->l_used--;
if (bind == BINDARG)
bind = BINDNO;
#endif /* FKEYS */
} else {
/* quoted strings are special */
++argp;
#ifdef FKEYS
if (bind != BINDARG) {
#endif /* FKEYS */
lp = lalloc((int)(line - argp) + BINDEXT);
if (lp == NULL) {
status = FALSE;
goto cleanup;
}
lp->l_used = 0;
#ifdef FKEYS
} else {
key.k_count = 0;
}
#endif /* FKEYS */
while (*argp != '"' && *argp != '\0') {
if (*argp != '\\')
c = *argp++;
else {
switch (*++argp) {
case 't':
case 'T':
c = CCHR('I');
break;
case 'n':
case 'N':
c = CCHR('J');
break;
case 'r':
case 'R':
c = CCHR('M');
break;
case 'e':
case 'E':
c = CCHR('[');
break;
case '^':
/*
* split into two statements
* due to bug in OSK cpp
*/
c = CHARMASK(*++argp);
c = ISLOWER(c) ?
CCHR(TOUPPER(c)) : CCHR(c);
break;
case '0':
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
c = *argp - '0';
if (argp[1] <= '7' &&
argp[1] >= '0') {
c <<= 3;
c += *++argp - '0';
if (argp[1] <= '7' &&
argp[1] >= '0') {
c <<= 3;
c += *++argp
- '0';
}
}
break;
#ifdef FKEYS
case 'f':
case 'F':
c = *++argp - '0';
if (ISDIGIT(argp[1])) {
c *= 10;
c += *++argp - '0';
}
c += KFIRST;
break;
#endif /* FKEYS */
default:
c = CHARMASK(*argp);
break;
}
argp++;
}
#ifdef FKEYS
if (bind == BINDARG)
key.k_chars[key.k_count++] = c;
else
#endif /* FKEYS */
lp->l_text[lp->l_used++] = c;
}
if (*line)
line++;
}
#ifdef FKEYS
switch (bind) {
case BINDARG:
bind = BINDDO;
break;
case BINDNEXT:
lp->l_text[lp->l_used] = '\0';
if ((mp = name_mode(lp->l_text)) == NULL) {
ewprintf("No such mode: %s", lp->l_text);
status = FALSE;
free((char *)lp);
goto cleanup;
}
curmap = mp->p_map;
free((char *)lp);
bind = BINDARG;
break;
default:
#endif /* FKEYS */
lp->l_fp = np->l_fp;
lp->l_bp = np;
np->l_fp = lp;
np = lp;
#ifdef FKEYS
}
#endif /* FKEYS */
}
#ifdef FKEYS
switch (bind) {
default:
ewprintf("Bad args to set key");
status = FALSE;
break;
case BINDDO:
if (fp != unbindtokey && fp != localunbind) {
lp->l_text[lp->l_used] = '\0';
status = bindkey(&curmap, lp->l_text, key.k_chars,
key.k_count);
} else
status = bindkey(&curmap, (char *)NULL, key.k_chars,
key.k_count);
break;
case BINDNO:
#endif /* FKEYS */
inmacro = TRUE;
maclcur = maclcur->l_fp;
status = (*fp)(f, n);
inmacro = FALSE;
#ifdef FKEYS
}
#endif /* FKEYS */
cleanup:
lp = maclcur->l_fp;
while (lp != maclcur) {
np = lp->l_fp;
free((char *)lp);
lp = np;
}
free((char *)lp);
return status;
}
/*
* a pair of utility functions for the above
*/
static char *
skipwhite(s)
char *s;
{
while (*s == ' ' || *s == '\t' || *s == ')' || *s == '(')
s++;
if (*s == ';')
*s = '\0';
return s;
}
static char *
parsetoken(s)
char *s;
{
if (*s != '"') {
while (*s && *s != ' ' && *s != '\t' && *s != ')' && *s != '(')
s++;
if (*s == ';')
*s = '\0';
} else
do {
/*
* Strings get special treatment.
* Beware: You can \ out the end of the string!
*/
if (*s == '\\')
++s;
} while (*++s != '"' && *s != '\0');
return s;
}
#endif /* !NO_STARTUP */
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