[p5sagit/p5-mst-13.2.git] / form.c

/* $RCSfile: form.c,v $$Revision: 4.0.1.2 $$Date: 91/11/05 17:18:43 $
 *
 *    Copyright (c) 1991, Larry Wall
 *
 *    You may distribute under the terms of either the GNU General Public
 *    License or the Artistic License, as specified in the README file.
 *
 * $Log:	form.c,v $
 * Revision 4.0.1.2  91/11/05  17:18:43  lwall
 * patch11: formats didn't fill their fields as well as they could
 * patch11: ^ fields chopped hyphens on line break
 * patch11: # fields could write outside allocated memory
 * 
 * Revision 4.0.1.1  91/06/07  11:07:59  lwall
 * patch4: new copyright notice
 * patch4: default top-of-form format is now FILEHANDLE_TOP
 * 
 * Revision 4.0  91/03/20  01:19:23  lwall
 * 4.0 baseline.
 * 
 */

#include "EXTERN.h"
#include "perl.h"

/* Forms stuff */

void
form_parseargs(fcmd)
register FCMD *fcmd;
{
    register int i;
    register ARG *arg;
    register int items;
    STR *str;
    ARG *parselist();
    line_t oldline = curcmd->c_line;
    int oldsave = savestack->ary_fill;

    str = fcmd->f_unparsed;
    curcmd->c_line = fcmd->f_line;
    fcmd->f_unparsed = Nullstr;
    (void)savehptr(&curstash);
    curstash = str->str_u.str_hash;
    arg = parselist(str);
    restorelist(oldsave);

    items = arg->arg_len - 1;	/* ignore $$ on end */
    for (i = 1; i <= items; i++) {
	if (!fcmd || fcmd->f_type == F_NULL)
	    fatal("Too many field values");
	dehoist(arg,i);
	fcmd->f_expr = make_op(O_ITEM,1,
	  arg[i].arg_ptr.arg_arg,Nullarg,Nullarg);
	if (fcmd->f_flags & FC_CHOP) {
	    if ((fcmd->f_expr[1].arg_type & A_MASK) == A_STAB)
		fcmd->f_expr[1].arg_type = A_LVAL;
	    else if ((fcmd->f_expr[1].arg_type & A_MASK) == A_EXPR)
		fcmd->f_expr[1].arg_type = A_LEXPR;
	    else
		fatal("^ field requires scalar lvalue");
	}
	fcmd = fcmd->f_next;
    }
    if (fcmd && fcmd->f_type)
	fatal("Not enough field values");
    curcmd->c_line = oldline;
    Safefree(arg);
    str_free(str);
}

int newsize;

#define CHKLEN(allow) \
newsize = (d - orec->o_str) + (allow); \
if (newsize >= curlen) { \
    curlen = d - orec->o_str; \
    GROWSTR(&orec->o_str,&orec->o_len,orec->o_len + (allow)); \
    d = orec->o_str + curlen;	/* in case it moves */ \
    curlen = orec->o_len - 2; \
}

format(orec,fcmd,sp)
register struct outrec *orec;
register FCMD *fcmd;
int sp;
{
    register char *d = orec->o_str;
    register char *s;
    register int curlen = orec->o_len - 2;
    register int size;
    FCMD *nextfcmd;
    FCMD *linebeg = fcmd;
    char tmpchar;
    char *t;
    CMD mycmd;
    STR *str;
    char *chophere;

    mycmd.c_type = C_NULL;
    orec->o_lines = 0;
    for (; fcmd; fcmd = nextfcmd) {
	nextfcmd = fcmd->f_next;
	CHKLEN(fcmd->f_presize);
	/*SUPPRESS 560*/
	if (s = fcmd->f_pre) {
	    while (*s) {
		if (*s == '\n') {
		    while (d > orec->o_str && (d[-1] == ' ' || d[-1] == '\t'))
			d--;
		    if (fcmd->f_flags & FC_NOBLANK) {
			if (d == orec->o_str || d[-1] == '\n') {
			    orec->o_lines--;	/* don't print blank line */
			    linebeg = fcmd->f_next;
			    break;
			}
			else if (fcmd->f_flags & FC_REPEAT)
			    nextfcmd = linebeg;
			else
			    linebeg = fcmd->f_next;
		    }
		    else
			linebeg = fcmd->f_next;
		}
		*d++ = *s++;
	    }
	}
	if (fcmd->f_unparsed)
	    form_parseargs(fcmd);
	switch (fcmd->f_type) {
	case F_NULL:
	    orec->o_lines++;
	    break;
	case F_LEFT:
	    (void)eval(fcmd->f_expr,G_SCALAR,sp);
	    str = stack->ary_array[sp+1];
	    s = str_get(str);
	    size = fcmd->f_size;
	    CHKLEN(size);
	    chophere = Nullch;
	    while (size && *s && *s != '\n') {
		if (*s == '\t')
		    *s = ' ';
		size--;
		if (*s && index(chopset,(*d++ = *s++)))
		    chophere = s;
		if (*s == '\n' && (fcmd->f_flags & FC_CHOP))
		    *s = ' ';
	    }
	    if (size || !*s)
		chophere = s;
	    else if (chophere && chophere < s && *s && index(chopset,*s))
		chophere = s;
	    if (fcmd->f_flags & FC_CHOP) {
		if (!chophere)
		    chophere = s;
		size += (s - chophere);
		d -= (s - chophere);
		if (fcmd->f_flags & FC_MORE &&
		  *chophere && strNE(chophere,"\n")) {
		    while (size < 3) {
			d--;
			size++;
		    }
		    while (d[-1] == ' ' && size < fcmd->f_size) {
			d--;
			size++;
		    }
		    *d++ = '.';
		    *d++ = '.';
		    *d++ = '.';
		    size -= 3;
		}
		while (*chophere && index(chopset,*chophere)
		  && isSPACE(*chophere))
		    chophere++;
		str_chop(str,chophere);
	    }
	    if (fcmd->f_next && fcmd->f_next->f_pre[0] == '\n')
		size = 0;			/* no spaces before newline */
	    while (size) {
		size--;
		*d++ = ' ';
	    }
	    break;
	case F_RIGHT:
	    (void)eval(fcmd->f_expr,G_SCALAR,sp);
	    str = stack->ary_array[sp+1];
	    t = s = str_get(str);
	    size = fcmd->f_size;
	    CHKLEN(size);
	    chophere = Nullch;
	    while (size && *s && *s != '\n') {
		if (*s == '\t')
		    *s = ' ';
		size--;
		if (*s && index(chopset,*s++))
		    chophere = s;
		if (*s == '\n' && (fcmd->f_flags & FC_CHOP))
		    *s = ' ';
	    }
	    if (size || !*s)
		chophere = s;
	    else if (chophere && chophere < s && *s && index(chopset,*s))
		chophere = s;
	    if (fcmd->f_flags & FC_CHOP) {
		if (!chophere)
		    chophere = s;
		size += (s - chophere);
		s = chophere;
		while (*chophere && index(chopset,*chophere)
		  && isSPACE(*chophere))
		    chophere++;
	    }
	    tmpchar = *s;
	    *s = '\0';
	    while (size) {
		size--;
		*d++ = ' ';
	    }
	    size = s - t;
	    (void)bcopy(t,d,size);
	    d += size;
	    *s = tmpchar;
	    if (fcmd->f_flags & FC_CHOP)
		str_chop(str,chophere);
	    break;
	case F_CENTER: {
	    int halfsize;

	    (void)eval(fcmd->f_expr,G_SCALAR,sp);
	    str = stack->ary_array[sp+1];
	    t = s = str_get(str);
	    size = fcmd->f_size;
	    CHKLEN(size);
	    chophere = Nullch;
	    while (size && *s && *s != '\n') {
		if (*s == '\t')
		    *s = ' ';
		size--;
		if (*s && index(chopset,*s++))
		    chophere = s;
		if (*s == '\n' && (fcmd->f_flags & FC_CHOP))
		    *s = ' ';
	    }
	    if (size || !*s)
		chophere = s;
	    else if (chophere && chophere < s && *s && index(chopset,*s))
		chophere = s;
	    if (fcmd->f_flags & FC_CHOP) {
		if (!chophere)
		    chophere = s;
		size += (s - chophere);
		s = chophere;
		while (*chophere && index(chopset,*chophere)
		  && isSPACE(*chophere))
		    chophere++;
	    }
	    tmpchar = *s;
	    *s = '\0';
	    halfsize = size / 2;
	    while (size > halfsize) {
		size--;
		*d++ = ' ';
	    }
	    size = s - t;
	    (void)bcopy(t,d,size);
	    d += size;
	    *s = tmpchar;
	    if (fcmd->f_next && fcmd->f_next->f_pre[0] == '\n')
		size = 0;			/* no spaces before newline */
	    else
		size = halfsize;
	    while (size) {
		size--;
		*d++ = ' ';
	    }
	    if (fcmd->f_flags & FC_CHOP)
		str_chop(str,chophere);
	    break;
	}
	case F_LINES:
	    (void)eval(fcmd->f_expr,G_SCALAR,sp);
	    str = stack->ary_array[sp+1];
	    s = str_get(str);
	    size = str_len(str);
	    CHKLEN(size+1);
	    orec->o_lines += countlines(s,size) - 1;
	    (void)bcopy(s,d,size);
	    d += size;
	    if (size && s[size-1] != '\n') {
		*d++ = '\n';
		orec->o_lines++;
	    }
	    linebeg = fcmd->f_next;
	    break;
	case F_DECIMAL: {
	    double value;

	    (void)eval(fcmd->f_expr,G_SCALAR,sp);
	    str = stack->ary_array[sp+1];
	    size = fcmd->f_size;
	    CHKLEN(size+1);
	    /* If the field is marked with ^ and the value is undefined,
	       blank it out. */
	    if ((fcmd->f_flags & FC_CHOP) && !str->str_pok && !str->str_nok) {
		while (size) {
		    size--;
		    *d++ = ' ';
		}
		break;
	    }
	    value = str_gnum(str);
	    if (fcmd->f_flags & FC_DP) {
		sprintf(d, "%#*.*f", size, fcmd->f_decimals, value);
	    } else {
		sprintf(d, "%*.0f", size, value);
	    }
	    d += size;
	    break;
	}
	}
    }
    CHKLEN(1);
    *d++ = '\0';
}

countlines(s,size)
register char *s;
register int size;
{
    register int count = 0;

    while (size--) {
	if (*s++ == '\n')
	    count++;
    }
    return count;
}

do_write(orec,stab,sp)
struct outrec *orec;
STAB *stab;
int sp;
{
    register STIO *stio = stab_io(stab);
    FILE *ofp = stio->ofp;

#ifdef DEBUGGING
    if (debug & 256)
	fprintf(stderr,"left=%ld, todo=%ld\n",
	  (long)stio->lines_left, (long)orec->o_lines);
#endif
    if (stio->lines_left < orec->o_lines) {
	if (!stio->top_stab) {
	    STAB *topstab;
	    char tmpbuf[256];

	    if (!stio->top_name) {
		if (!stio->fmt_name)
		    stio->fmt_name = savestr(stab_name(stab));
		sprintf(tmpbuf, "%s_TOP", stio->fmt_name);
		topstab = stabent(tmpbuf,FALSE);
		if (topstab && stab_form(topstab))
		    stio->top_name = savestr(tmpbuf);
		else
		    stio->top_name = savestr("top");
	    }
	    topstab = stabent(stio->top_name,FALSE);
	    if (!topstab || !stab_form(topstab)) {
		stio->lines_left = 100000000;
		goto forget_top;
	    }
	    stio->top_stab = topstab;
	}
	if (stio->lines_left >= 0 && stio->page > 0)
	    (void)putc('\f',ofp);
	stio->lines_left = stio->page_len;
	stio->page++;
	format(&toprec,stab_form(stio->top_stab),sp);
	fputs(toprec.o_str,ofp);
	stio->lines_left -= toprec.o_lines;
    }
  forget_top:
    fputs(orec->o_str,ofp);
    stio->lines_left -= orec->o_lines;
}
Commit	Line	Data
55204971	1	/* $RCSfile: form.c,v $$Revision: 4.0.1.2 $$Date: 91/11/05 17:18:43 $
a687059c	2	*
6e21c824	3	* Copyright (c) 1991, Larry Wall
a687059c	4	*
6e21c824	5	* You may distribute under the terms of either the GNU General Public
6e21c824	6	* License or the Artistic License, as specified in the README file.
8d063cd8	7	*
8d063cd8	8	* $Log: form.c,v $
55204971	9	* Revision 4.0.1.2 91/11/05 17:18:43 lwall
	10	* patch11: formats didn't fill their fields as well as they could
	11	* patch11: ^ fields chopped hyphens on line break
	12	* patch11: # fields could write outside allocated memory
	13	*
6e21c824	14	* Revision 4.0.1.1 91/06/07 11:07:59 lwall
	15	* patch4: new copyright notice
	16	* patch4: default top-of-form format is now FILEHANDLE_TOP
	17	*
fe14fcc3	18	* Revision 4.0 91/03/20 01:19:23 lwall
fe14fcc3	19	* 4.0 baseline.
8d063cd8	20	*
	21	*/
	22
8d063cd8	23	#include "EXTERN.h"
8d063cd8	24	#include "perl.h"
	25
	26	/* Forms stuff */
	27
a687059c	28	void
	29	form_parseargs(fcmd)
	30	register FCMD *fcmd;
	31	{
	32	register int i;
	33	register ARG *arg;
	34	register int items;
	35	STR *str;
	36	ARG *parselist();
154e51a4	37	line_t oldline = curcmd->c_line;
a687059c	38	int oldsave = savestack->ary_fill;
	39
	40	str = fcmd->f_unparsed;
154e51a4	41	curcmd->c_line = fcmd->f_line;
a687059c	42	fcmd->f_unparsed = Nullstr;
	43	(void)savehptr(&curstash);
	44	curstash = str->str_u.str_hash;
	45	arg = parselist(str);
	46	restorelist(oldsave);
	47
	48	items = arg->arg_len - 1; /* ignore $$ on end */
	49	for (i = 1; i <= items; i++) {
	50	if (!fcmd \|\| fcmd->f_type == F_NULL)
	51	fatal("Too many field values");
	52	dehoist(arg,i);
	53	fcmd->f_expr = make_op(O_ITEM,1,
	54	arg[i].arg_ptr.arg_arg,Nullarg,Nullarg);
	55	if (fcmd->f_flags & FC_CHOP) {
	56	if ((fcmd->f_expr[1].arg_type & A_MASK) == A_STAB)
	57	fcmd->f_expr[1].arg_type = A_LVAL;
	58	else if ((fcmd->f_expr[1].arg_type & A_MASK) == A_EXPR)
	59	fcmd->f_expr[1].arg_type = A_LEXPR;
	60	else
	61	fatal("^ field requires scalar lvalue");
	62	}
	63	fcmd = fcmd->f_next;
	64	}
	65	if (fcmd && fcmd->f_type)
	66	fatal("Not enough field values");
154e51a4	67	curcmd->c_line = oldline;
a687059c	68	Safefree(arg);
	69	str_free(str);
	70	}
	71
	72	int newsize;
	73
8d063cd8	74	#define CHKLEN(allow) \
a687059c	75	newsize = (d - orec->o_str) + (allow); \
a687059c	76	if (newsize >= curlen) { \
8d063cd8	77	curlen = d - orec->o_str; \
	78	GROWSTR(&orec->o_str,&orec->o_len,orec->o_len + (allow)); \
	79	d = orec->o_str + curlen; /* in case it moves */ \
	80	curlen = orec->o_len - 2; \
	81	}
	82
a687059c	83	format(orec,fcmd,sp)
8d063cd8	84	register struct outrec *orec;
8d063cd8	85	register FCMD *fcmd;
a687059c	86	int sp;
8d063cd8	87	{
	88	register char *d = orec->o_str;
	89	register char *s;
	90	register int curlen = orec->o_len - 2;
	91	register int size;
a687059c	92	FCMD *nextfcmd;
a687059c	93	FCMD *linebeg = fcmd;
8d063cd8	94	char tmpchar;
	95	char *t;
	96	CMD mycmd;
	97	STR *str;
	98	char *chophere;
	99
	100	mycmd.c_type = C_NULL;
	101	orec->o_lines = 0;
a687059c	102	for (; fcmd; fcmd = nextfcmd) {
a687059c	103	nextfcmd = fcmd->f_next;
8d063cd8	104	CHKLEN(fcmd->f_presize);
55204971	105	/SUPPRESS 560/
a687059c	106	if (s = fcmd->f_pre) {
	107	while (*s) {
	108	if (*s == '\n') {
	109	while (d > orec->o_str && (d[-1] == ' ' \|\| d[-1] == '\t'))
	110	d--;
	111	if (fcmd->f_flags & FC_NOBLANK) {
	112	if (d == orec->o_str \|\| d[-1] == '\n') {
	113	orec->o_lines--; /* don't print blank line */
	114	linebeg = fcmd->f_next;
	115	break;
	116	}
	117	else if (fcmd->f_flags & FC_REPEAT)
	118	nextfcmd = linebeg;
fe14fcc3	119	else
fe14fcc3	120	linebeg = fcmd->f_next;
a687059c	121	}
	122	else
	123	linebeg = fcmd->f_next;
8d063cd8	124	}
a687059c	125	d++ = s++;
8d063cd8	126	}
8d063cd8	127	}
a687059c	128	if (fcmd->f_unparsed)
a687059c	129	form_parseargs(fcmd);
8d063cd8	130	switch (fcmd->f_type) {
	131	case F_NULL:
	132	orec->o_lines++;
	133	break;
	134	case F_LEFT:
a687059c	135	(void)eval(fcmd->f_expr,G_SCALAR,sp);
a687059c	136	str = stack->ary_array[sp+1];
8d063cd8	137	s = str_get(str);
	138	size = fcmd->f_size;
	139	CHKLEN(size);
	140	chophere = Nullch;
	141	while (size && s && s != '\n') {
a687059c	142	if (*s == '\t')
a687059c	143	*s = ' ';
8d063cd8	144	size--;
a687059c	145	if (s && index(chopset,(d++ = *s++)))
8d063cd8	146	chophere = s;
a687059c	147	if (*s == '\n' && (fcmd->f_flags & FC_CHOP))
a687059c	148	*s = ' ';
8d063cd8	149	}
55204971	150	if (size \|\| !*s)
8d063cd8	151	chophere = s;
a687059c	152	else if (chophere && chophere < s && s && index(chopset,s))
a687059c	153	chophere = s;
8d063cd8	154	if (fcmd->f_flags & FC_CHOP) {
	155	if (!chophere)
	156	chophere = s;
	157	size += (s - chophere);
	158	d -= (s - chophere);
	159	if (fcmd->f_flags & FC_MORE &&
	160	*chophere && strNE(chophere,"\n")) {
	161	while (size < 3) {
	162	d--;
	163	size++;
	164	}
	165	while (d[-1] == ' ' && size < fcmd->f_size) {
	166	d--;
	167	size++;
	168	}
	169	*d++ = '.';
	170	*d++ = '.';
	171	*d++ = '.';
ac58e20f	172	size -= 3;
8d063cd8	173	}
55204971	174	while (chophere && index(chopset,chophere)
55204971	175	&& isSPACE(*chophere))
a687059c	176	chophere++;
8d063cd8	177	str_chop(str,chophere);
	178	}
	179	if (fcmd->f_next && fcmd->f_next->f_pre[0] == '\n')
	180	size = 0; /* no spaces before newline */
	181	while (size) {
	182	size--;
	183	*d++ = ' ';
	184	}
	185	break;
	186	case F_RIGHT:
a687059c	187	(void)eval(fcmd->f_expr,G_SCALAR,sp);
	188	str = stack->ary_array[sp+1];
	189	t = s = str_get(str);
8d063cd8	190	size = fcmd->f_size;
	191	CHKLEN(size);
	192	chophere = Nullch;
	193	while (size && s && s != '\n') {
a687059c	194	if (*s == '\t')
a687059c	195	*s = ' ';
8d063cd8	196	size--;
a687059c	197	if (s && index(chopset,s++))
	198	chophere = s;
	199	if (*s == '\n' && (fcmd->f_flags & FC_CHOP))
	200	*s = ' ';
8d063cd8	201	}
55204971	202	if (size \|\| !*s)
8d063cd8	203	chophere = s;
a687059c	204	else if (chophere && chophere < s && s && index(chopset,s))
a687059c	205	chophere = s;
8d063cd8	206	if (fcmd->f_flags & FC_CHOP) {
	207	if (!chophere)
	208	chophere = s;
	209	size += (s - chophere);
8d063cd8	210	s = chophere;
55204971	211	while (chophere && index(chopset,chophere)
55204971	212	&& isSPACE(*chophere))
a687059c	213	chophere++;
8d063cd8	214	}
	215	tmpchar = *s;
	216	*s = '\0';
	217	while (size) {
	218	size--;
	219	*d++ = ' ';
	220	}
	221	size = s - t;
a687059c	222	(void)bcopy(t,d,size);
8d063cd8	223	d += size;
8d063cd8	224	*s = tmpchar;
a687059c	225	if (fcmd->f_flags & FC_CHOP)
a687059c	226	str_chop(str,chophere);
8d063cd8	227	break;
	228	case F_CENTER: {
	229	int halfsize;
	230
a687059c	231	(void)eval(fcmd->f_expr,G_SCALAR,sp);
	232	str = stack->ary_array[sp+1];
	233	t = s = str_get(str);
8d063cd8	234	size = fcmd->f_size;
	235	CHKLEN(size);
	236	chophere = Nullch;
	237	while (size && s && s != '\n') {
a687059c	238	if (*s == '\t')
a687059c	239	*s = ' ';
8d063cd8	240	size--;
a687059c	241	if (s && index(chopset,s++))
	242	chophere = s;
	243	if (*s == '\n' && (fcmd->f_flags & FC_CHOP))
	244	*s = ' ';
8d063cd8	245	}
55204971	246	if (size \|\| !*s)
8d063cd8	247	chophere = s;
a687059c	248	else if (chophere && chophere < s && s && index(chopset,s))
a687059c	249	chophere = s;
8d063cd8	250	if (fcmd->f_flags & FC_CHOP) {
	251	if (!chophere)
	252	chophere = s;
	253	size += (s - chophere);
8d063cd8	254	s = chophere;
55204971	255	while (chophere && index(chopset,chophere)
55204971	256	&& isSPACE(*chophere))
a687059c	257	chophere++;
8d063cd8	258	}
	259	tmpchar = *s;
	260	*s = '\0';
	261	halfsize = size / 2;
	262	while (size > halfsize) {
	263	size--;
	264	*d++ = ' ';
	265	}
	266	size = s - t;
a687059c	267	(void)bcopy(t,d,size);
8d063cd8	268	d += size;
	269	*s = tmpchar;
	270	if (fcmd->f_next && fcmd->f_next->f_pre[0] == '\n')
	271	size = 0; /* no spaces before newline */
	272	else
	273	size = halfsize;
	274	while (size) {
	275	size--;
	276	*d++ = ' ';
	277	}
a687059c	278	if (fcmd->f_flags & FC_CHOP)
a687059c	279	str_chop(str,chophere);
8d063cd8	280	break;
	281	}
	282	case F_LINES:
a687059c	283	(void)eval(fcmd->f_expr,G_SCALAR,sp);
a687059c	284	str = stack->ary_array[sp+1];
8d063cd8	285	s = str_get(str);
8d063cd8	286	size = str_len(str);
c623bd54	287	CHKLEN(size+1);
c623bd54	288	orec->o_lines += countlines(s,size) - 1;
a687059c	289	(void)bcopy(s,d,size);
8d063cd8	290	d += size;
c623bd54	291	if (size && s[size-1] != '\n') {
	292	*d++ = '\n';
	293	orec->o_lines++;
	294	}
a687059c	295	linebeg = fcmd->f_next;
8d063cd8	296	break;
d9d8d8de	297	case F_DECIMAL: {
	298	double value;
	299
	300	(void)eval(fcmd->f_expr,G_SCALAR,sp);
	301	str = stack->ary_array[sp+1];
c623bd54	302	size = fcmd->f_size;
55204971	303	CHKLEN(size+1);
d9d8d8de	304	/* If the field is marked with ^ and the value is undefined,
	305	blank it out. */
	306	if ((fcmd->f_flags & FC_CHOP) && !str->str_pok && !str->str_nok) {
	307	while (size) {
	308	size--;
	309	*d++ = ' ';
	310	}
	311	break;
	312	}
	313	value = str_gnum(str);
d9d8d8de	314	if (fcmd->f_flags & FC_DP) {
	315	sprintf(d, "%#.f", size, fcmd->f_decimals, value);
	316	} else {
	317	sprintf(d, "%*.0f", size, value);
	318	}
	319	d += size;
	320	break;
	321	}
8d063cd8	322	}
8d063cd8	323	}
154e51a4	324	CHKLEN(1);
8d063cd8	325	*d++ = '\0';
	326	}
	327
c623bd54	328	countlines(s,size)
8d063cd8	329	register char *s;
c623bd54	330	register int size;
8d063cd8	331	{
	332	register int count = 0;
	333
c623bd54	334	while (size--) {
8d063cd8	335	if (*s++ == '\n')
	336	count++;
	337	}
	338	return count;
	339	}
	340
6e21c824	341	do_write(orec,stab,sp)
8d063cd8	342	struct outrec *orec;
6e21c824	343	STAB *stab;
a687059c	344	int sp;
8d063cd8	345	{
6e21c824	346	register STIO *stio = stab_io(stab);
a687059c	347	FILE *ofp = stio->ofp;
8d063cd8	348
	349	#ifdef DEBUGGING
	350	if (debug & 256)
378cc40b	351	fprintf(stderr,"left=%ld, todo=%ld\n",
378cc40b	352	(long)stio->lines_left, (long)orec->o_lines);
8d063cd8	353	#endif
	354	if (stio->lines_left < orec->o_lines) {
	355	if (!stio->top_stab) {
	356	STAB *topstab;
6e21c824	357	char tmpbuf[256];
8d063cd8	358
6e21c824	359	if (!stio->top_name) {
	360	if (!stio->fmt_name)
	361	stio->fmt_name = savestr(stab_name(stab));
	362	sprintf(tmpbuf, "%s_TOP", stio->fmt_name);
	363	topstab = stabent(tmpbuf,FALSE);
	364	if (topstab && stab_form(topstab))
	365	stio->top_name = savestr(tmpbuf);
	366	else
	367	stio->top_name = savestr("top");
	368	}
8d063cd8	369	topstab = stabent(stio->top_name,FALSE);
a687059c	370	if (!topstab \|\| !stab_form(topstab)) {
8d063cd8	371	stio->lines_left = 100000000;
	372	goto forget_top;
	373	}
	374	stio->top_stab = topstab;
	375	}
a687059c	376	if (stio->lines_left >= 0 && stio->page > 0)
a687059c	377	(void)putc('\f',ofp);
8d063cd8	378	stio->lines_left = stio->page_len;
8d063cd8	379	stio->page++;
a687059c	380	format(&toprec,stab_form(stio->top_stab),sp);
8d063cd8	381	fputs(toprec.o_str,ofp);
	382	stio->lines_left -= toprec.o_lines;
	383	}
	384	forget_top:
	385	fputs(orec->o_str,ofp);
	386	stio->lines_left -= orec->o_lines;
	387	}