src/mac/xpm/dataxpm.c

/*
 * Copyright (C) 1989-95 GROUPE BULL
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to
 * deal in the Software without restriction, including without limitation the
 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
 * sell copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 * GROUPE BULL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 *
 * Except as contained in this notice, the name of GROUPE BULL shall not be
 * used in advertising or otherwise to promote the sale, use or other dealings
 * in this Software without prior written authorization from GROUPE BULL.
 */

/*****************************************************************************\
* data.c:                                                                     *
*                                                                             *
*  XPM library                                                                *
*  IO utilities                                                               *
*                                                                             *
*  Developed by Arnaud Le Hors                                                *
\*****************************************************************************/

#ifndef CXPMPROG
/* Official version number */
static char *RCS_Version = "$XpmVersion: 3.4k $";

/* Internal version number */
static char *RCS_Id = "$Id$";

#include "XpmI.h"
#endif
#include <ctype.h>

#ifndef CXPMPROG
#define Getc(data, file) getc(file)
#define Ungetc(data, c, file) ungetc(c, file)
#endif

static int
ParseComment(data)
    xpmData *data;
{
    if (data->type == XPMBUFFER) {
	register char c;
	register unsigned int n = 0;
	unsigned int notend;
	char *s, *s2;

	s = data->Comment;
	*s = data->Bcmt[0];

	/* skip the string beginning comment */
	s2 = data->Bcmt;
	do {
	    c = *data->cptr++;
	    *++s = c;
	    n++;
	    s2++;
	} while (c == *s2 && *s2 != '\0' && c);

	if (*s2 != '\0') {
	    /* this wasn't the beginning of a comment */
	    data->cptr -= n;
	    return 0;
	}
	/* store comment */
	data->Comment[0] = *s;
	s = data->Comment;
	notend = 1;
	n = 0;
	while (notend) {
	    s2 = data->Ecmt;
	    while (*s != *s2 && c) {
		c = *data->cptr++;
		if (n == XPMMAXCMTLEN - 1)  { /* forget it */
		    s = data->Comment;
		    n = 0;
		}
		*++s = c;
		n++;
	    }
	    data->CommentLength = n;
	    do {
		c = *data->cptr++;
		if (n == XPMMAXCMTLEN - 1)  { /* forget it */
		    s = data->Comment;
		    n = 0;
		}
		*++s = c;
		n++;
		s2++;
	    } while (c == *s2 && *s2 != '\0' && c);
	    if (*s2 == '\0') {
		/* this is the end of the comment */
		notend = 0;
		data->cptr--;
	    }
	}
	return 0;
    } else {
	FILE *file = data->stream.file;
	register int c;
	register unsigned int n = 0, a;
	unsigned int notend;
	char *s, *s2;

	s = data->Comment;
	*s = data->Bcmt[0];

	/* skip the string beginning comment */
	s2 = data->Bcmt;
	do {
	    c = Getc(data, file);
	    *++s = c;
	    n++;
	    s2++;
	} while (c == *s2 && *s2 != '\0' && c != EOF);

	if (*s2 != '\0') {
	    /* this wasn't the beginning of a comment */
	    /* put characters back in the order that we got them */
	    for (a = n; a > 0; a--, s--)
		Ungetc(data, *s, file);
	    return 0;
	}
	/* store comment */
	data->Comment[0] = *s;
	s = data->Comment;
	notend = 1;
	n = 0;
	while (notend) {
	    s2 = data->Ecmt;
	    while (*s != *s2 && c != EOF) {
		c = Getc(data, file);
		if (n == XPMMAXCMTLEN - 1)  { /* forget it */
		    s = data->Comment;
		    n = 0;
		}
		*++s = c;
		n++;
	    }
	    data->CommentLength = n;
	    do {
		c = Getc(data, file);
		if (n == XPMMAXCMTLEN - 1)  { /* forget it */
		    s = data->Comment;
		    n = 0;
		}
		*++s = c;
		n++;
		s2++;
	    } while (c == *s2 && *s2 != '\0' && c != EOF);
	    if (*s2 == '\0') {
		/* this is the end of the comment */
		notend = 0;
		Ungetc(data, *s, file);
	    }
	}
	return 0;
    }
}

/*
 * skip to the end of the current string and the beginning of the next one
 */
int
xpmNextString(data)
    xpmData *data;
{
    if (!data->type)
	data->cptr = (data->stream.data)[++data->line];
    else if (data->type == XPMBUFFER) {
	register char c;

	/* get to the end of the current string */
	if (data->Eos)
	    while ((c = *data->cptr++)!=NULL && c != data->Eos)
	    {}

	/*
	 * then get to the beginning of the next string looking for possible
	 * comment
	 */
	if (data->Bos) {
	    while ((c = *data->cptr++)!=NULL  && c != data->Bos)
		if (data->Bcmt && c == data->Bcmt[0])
		    ParseComment(data);
	} else if (data->Bcmt) {	/* XPM2 natural */
	    while ((c = *data->cptr++) == data->Bcmt[0])
		ParseComment(data);
	    data->cptr--;
	}
    } else {
	register int c;
	FILE *file = data->stream.file;

	/* get to the end of the current string */
	if (data->Eos)
	    while ((c = Getc(data, file))!=NULL  != data->Eos && c != EOF)
	    {}

	/*
	 * then get to the beginning of the next string looking for possible
	 * comment
	 */
	if (data->Bos) {
	    while ((c = Getc(data, file)) != data->Bos && c != EOF)
		if (data->Bcmt && c == data->Bcmt[0])
		    ParseComment(data);

	} else if (data->Bcmt) {	/* XPM2 natural */
	    while ((c = Getc(data, file)) == data->Bcmt[0])
		ParseComment(data);
	    Ungetc(data, c, file);
	}
    }
    return 0;
}


/*
 * skip whitespace and return the following word
 */
unsigned int
xpmNextWord(data, buf, buflen)
    xpmData *data;
    char *buf;
    unsigned int buflen;
{
    register unsigned int n = 0;
    int c;

    if (!data->type || data->type == XPMBUFFER) {
	while (isspace(c = *data->cptr) && c != data->Eos)
	    data->cptr++;
	do {
	    c = *data->cptr++;
	    *buf++ = c;
	    n++;
	} while (!isspace(c) && c != data->Eos && n < buflen);
	n--;
	data->cptr--;
    } else {
	FILE *file = data->stream.file;

	while ((c = Getc(data, file)) != EOF && isspace(c) && c != data->Eos)
	{
	}
	while (!isspace(c) && c != data->Eos && c != EOF && n < buflen) {
	    *buf++ = c;
	    n++;
	    c = Getc(data, file);
	}
	Ungetc(data, c, file);
    }
    return (n);
}

/*
 * skip whitespace and compute the following unsigned int,
 * returns 1 if one is found and 0 if not
 */
int
xpmNextUI(data, ui_return)
    xpmData *data;
    unsigned int *ui_return;
{
    char buf[BUFSIZ];
    int l;

    l = xpmNextWord(data, buf, BUFSIZ);
    return xpmatoui(buf, l, ui_return);
}

/*
 * return end of string - WARNING: malloc!
 */
int
xpmGetString(data, sptr, l)
    xpmData *data;
    char **sptr;
    unsigned int *l;
{
    unsigned int i, n = 0;
    int c;
    char *p = NULL, *q, buf[BUFSIZ];

    if (!data->type || data->type == XPMBUFFER) {
	if (data->cptr) {
	    char *start = data->cptr;
	    while ((c = *data->cptr)!=NULL  && c != data->Eos)
		data->cptr++;
	    n = data->cptr - start + 1;
	    p = (char *) XpmMalloc(n);
	    if (!p)
		return (XpmNoMemory);
	    strncpy(p, start, n);
	    if (data->type)		/* XPMBUFFER */
		p[n - 1] = '\0';
	}
    } else {
	FILE *file = data->stream.file;

	if ((c = Getc(data, file)) == EOF)
	    return (XpmFileInvalid);

	i = 0;
	q = buf;
	p = (char *) XpmMalloc(1);
	while (c != data->Eos && c != EOF) {
	    if (i == BUFSIZ) {
		/* get to the end of the buffer */
		/* malloc needed memory */
		q = (char *) XpmRealloc(p, n + i);
		if (!q) {
		    XpmFree(p);
		    return (XpmNoMemory);
		}
		p = q;
		q += n;
		/* and copy what we already have */
		strncpy(q, buf, i);
		n += i;
		i = 0;
		q = buf;
	    }
	    *q++ = c;
	    i++;
	    c = Getc(data, file);
	}
	if (c == EOF) {
	    XpmFree(p);
	    return (XpmFileInvalid);
	}
	if (n + i != 0) {
	    /* malloc needed memory */
	    q = (char *) XpmRealloc(p, n + i + 1);
	    if (!q) {
		XpmFree(p);
		return (XpmNoMemory);
	    }
	    p = q;
	    q += n;
	    /* and copy the buffer */
	    strncpy(q, buf, i);
	    n += i;
	    p[n++] = '\0';
	} else {
	    *p = '\0';
	    n = 1;
	}
	Ungetc(data, c, file);
    }
    *sptr = p;
    *l = n;
    return (XpmSuccess);
}

/*
 * get the current comment line
 */
int
xpmGetCmt(data, cmt)
    xpmData *data;
    char **cmt;
{
    if (!data->type)
	*cmt = NULL;
    else if (data->CommentLength) {
	*cmt = (char *) XpmMalloc(data->CommentLength + 1);
	strncpy(*cmt, data->Comment, data->CommentLength);
	(*cmt)[data->CommentLength] = '\0';
	data->CommentLength = 0;
    } else
	*cmt = NULL;
    return 0;
}

xpmDataType xpmDataTypes[] =
{
    "", "!", "\n", '\0', '\n', "", "", "", "",	/* Natural type */
    "C", "/*", "*/", '"', '"', ",\n", "static char *", "[] = {\n", "};\n",
    "Lisp", ";", "\n", '"', '"', "\n", "(setq ", " '(\n", "))\n",
#ifdef VMS
    NULL
#else
    NULL, NULL, NULL, 0, 0, NULL, NULL, NULL, NULL
#endif
};

/*
 * parse xpm header
 */
int
xpmParseHeader(data)
    xpmData *data;
{
    char buf[BUFSIZ];
    int l, n = 0;

    if (data->type) {
	data->Bos = '\0';
	data->Eos = '\n';
	data->Bcmt = data->Ecmt = NULL;
	l = xpmNextWord(data, buf, BUFSIZ);
	if (l == 7 && !strncmp("#define", buf, 7)) {
	    /* this maybe an XPM 1 file */
	    char *ptr;

	    l = xpmNextWord(data, buf, BUFSIZ);
	    if (!l)
		return (XpmFileInvalid);
	    buf[l] = '\0';
	    #if defined(macintosh) || defined(__APPLE__)
	    ptr = strrchr(buf, '_');
	    #else
	    ptr = rindex(buf, '_');
	    #endif
	    if (!ptr || strncmp("_format", ptr, l - (ptr - buf)))
		return XpmFileInvalid;
	    /* this is definitely an XPM 1 file */
	    data->format = 1;
	    n = 1;			/* handle XPM1 as mainly XPM2 C */
	} else {

	    /*
	     * skip the first word, get the second one, and see if this is
	     * XPM 2 or 3
	     */
	    l = xpmNextWord(data, buf, BUFSIZ);
	    if ((l == 3 && !strncmp("XPM", buf, 3)) ||
		(l == 4 && !strncmp("XPM2", buf, 4))) {
		if (l == 3)
		    n = 1;		/* handle XPM as XPM2 C */
		else {
		    /* get the type key word */
		    l = xpmNextWord(data, buf, BUFSIZ);

		    /*
		     * get infos about this type
		     */
		    while (xpmDataTypes[n].type
			   && strncmp(xpmDataTypes[n].type, buf, l))
			n++;
		}
		data->format = 0;
	    } else
		/* nope this is not an XPM file */
		return XpmFileInvalid;
	}
	if (xpmDataTypes[n].type) {
	    if (n == 0) {		/* natural type */
		data->Bcmt = xpmDataTypes[n].Bcmt;
		data->Ecmt = xpmDataTypes[n].Ecmt;
		xpmNextString(data);	/* skip the end of the headerline */
		data->Bos = xpmDataTypes[n].Bos;
		data->Eos = xpmDataTypes[n].Eos;
	    } else {
		data->Bcmt = xpmDataTypes[n].Bcmt;
		data->Ecmt = xpmDataTypes[n].Ecmt;
		if (!data->format) {	/* XPM 2 or 3 */
		    data->Bos = xpmDataTypes[n].Bos;
		    data->Eos = '\0';
		    /* get to the beginning of the first string */
		    xpmNextString(data);
		    data->Eos = xpmDataTypes[n].Eos;
		} else			/* XPM 1 skip end of line */
		    xpmNextString(data);
	    }
	} else
	    /* we don't know about that type of XPM file... */
	    return XpmFileInvalid;
    }
    return XpmSuccess;
}
Commit	Line	Data
	1	/*
	2	* Copyright (C) 1989-95 GROUPE BULL
	3	*
	4	* Permission is hereby granted, free of charge, to any person obtaining a copy
	5	* of this software and associated documentation files (the "Software"), to
	6	* deal in the Software without restriction, including without limitation the
	7	* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
	8	* sell copies of the Software, and to permit persons to whom the Software is
	9	* furnished to do so, subject to the following conditions:
	10	*
	11	* The above copyright notice and this permission notice shall be included in
	12	* all copies or substantial portions of the Software.
	13	*
	14	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	15	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	16	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
	17	* GROUPE BULL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
	18	* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
	19	* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
	20	*
	21	* Except as contained in this notice, the name of GROUPE BULL shall not be
	22	* used in advertising or otherwise to promote the sale, use or other dealings
	23	* in this Software without prior written authorization from GROUPE BULL.
	24	*/
	25
	26	/*****************************************************************************\
	27	* data.c: *
	28	* *
	29	* XPM library *
	30	* IO utilities *
	31	* *
	32	* Developed by Arnaud Le Hors *
	33	\*****************************************************************************/
	34
	35	#ifndef CXPMPROG
	36	/* Official version number */
	37	static char *RCS_Version = "$XpmVersion: 3.4k $";
	38
	39	/* Internal version number */
	40	static char *RCS_Id = "$Id$";
	41
	42	#include "XpmI.h"
	43	#endif
	44	#include <ctype.h>
	45
	46	#ifndef CXPMPROG
	47	#define Getc(data, file) getc(file)
	48	#define Ungetc(data, c, file) ungetc(c, file)
	49	#endif
	50
	51	static int
	52	ParseComment(data)
	53	xpmData *data;
	54	{
	55	if (data->type == XPMBUFFER) {
	56	register char c;
	57	register unsigned int n = 0;
	58	unsigned int notend;
	59	char s, s2;
	60
	61	s = data->Comment;
	62	*s = data->Bcmt[0];
	63
	64	/* skip the string beginning comment */
	65	s2 = data->Bcmt;
	66	do {
	67	c = *data->cptr++;
	68	*++s = c;
	69	n++;
	70	s2++;
	71	} while (c == s2 && s2 != '\0' && c);
	72
	73	if (*s2 != '\0') {
	74	/* this wasn't the beginning of a comment */
	75	data->cptr -= n;
	76	return 0;
	77	}
	78	/* store comment */
	79	data->Comment[0] = *s;
	80	s = data->Comment;
	81	notend = 1;
	82	n = 0;
	83	while (notend) {
	84	s2 = data->Ecmt;
	85	while (s != s2 && c) {
	86	c = *data->cptr++;
	87	if (n == XPMMAXCMTLEN - 1) { /* forget it */
	88	s = data->Comment;
	89	n = 0;
	90	}
	91	*++s = c;
	92	n++;
	93	}
	94	data->CommentLength = n;
	95	do {
	96	c = *data->cptr++;
	97	if (n == XPMMAXCMTLEN - 1) { /* forget it */
	98	s = data->Comment;
	99	n = 0;
	100	}
	101	*++s = c;
	102	n++;
	103	s2++;
	104	} while (c == s2 && s2 != '\0' && c);
	105	if (*s2 == '\0') {
	106	/* this is the end of the comment */
	107	notend = 0;
	108	data->cptr--;
	109	}
	110	}
	111	return 0;
	112	} else {
	113	FILE *file = data->stream.file;
	114	register int c;
	115	register unsigned int n = 0, a;
	116	unsigned int notend;
	117	char s, s2;
	118
	119	s = data->Comment;
	120	*s = data->Bcmt[0];
	121
	122	/* skip the string beginning comment */
	123	s2 = data->Bcmt;
	124	do {
	125	c = Getc(data, file);
	126	*++s = c;
	127	n++;
	128	s2++;
	129	} while (c == s2 && s2 != '\0' && c != EOF);
	130
	131	if (*s2 != '\0') {
	132	/* this wasn't the beginning of a comment */
	133	/* put characters back in the order that we got them */
	134	for (a = n; a > 0; a--, s--)
	135	Ungetc(data, *s, file);
	136	return 0;
	137	}
	138	/* store comment */
	139	data->Comment[0] = *s;
	140	s = data->Comment;
	141	notend = 1;
	142	n = 0;
	143	while (notend) {
	144	s2 = data->Ecmt;
	145	while (s != s2 && c != EOF) {
	146	c = Getc(data, file);
	147	if (n == XPMMAXCMTLEN - 1) { /* forget it */
	148	s = data->Comment;
	149	n = 0;
	150	}
	151	*++s = c;
	152	n++;
	153	}
	154	data->CommentLength = n;
	155	do {
	156	c = Getc(data, file);
	157	if (n == XPMMAXCMTLEN - 1) { /* forget it */
	158	s = data->Comment;
	159	n = 0;
	160	}
	161	*++s = c;
	162	n++;
	163	s2++;
	164	} while (c == s2 && s2 != '\0' && c != EOF);
	165	if (*s2 == '\0') {
	166	/* this is the end of the comment */
	167	notend = 0;
	168	Ungetc(data, *s, file);
	169	}
	170	}
	171	return 0;
	172	}
	173	}
	174
	175	/*
	176	* skip to the end of the current string and the beginning of the next one
	177	*/
	178	int
	179	xpmNextString(data)
	180	xpmData *data;
	181	{
	182	if (!data->type)
	183	data->cptr = (data->stream.data)[++data->line];
	184	else if (data->type == XPMBUFFER) {
	185	register char c;
	186
	187	/* get to the end of the current string */
	188	if (data->Eos)
	189	while ((c = *data->cptr++)!=NULL && c != data->Eos)
	190	{}
	191
	192	/*
	193	* then get to the beginning of the next string looking for possible
	194	* comment
	195	*/
	196	if (data->Bos) {
	197	while ((c = *data->cptr++)!=NULL && c != data->Bos)
	198	if (data->Bcmt && c == data->Bcmt[0])
	199	ParseComment(data);
	200	} else if (data->Bcmt) { /* XPM2 natural */
	201	while ((c = *data->cptr++) == data->Bcmt[0])
	202	ParseComment(data);
	203	data->cptr--;
	204	}
	205	} else {
	206	register int c;
	207	FILE *file = data->stream.file;
	208
	209	/* get to the end of the current string */
	210	if (data->Eos)
	211	while ((c = Getc(data, file))!=NULL != data->Eos && c != EOF)
	212	{}
	213
	214	/*
	215	* then get to the beginning of the next string looking for possible
	216	* comment
	217	*/
	218	if (data->Bos) {
	219	while ((c = Getc(data, file)) != data->Bos && c != EOF)
	220	if (data->Bcmt && c == data->Bcmt[0])
	221	ParseComment(data);
	222
	223	} else if (data->Bcmt) { /* XPM2 natural */
	224	while ((c = Getc(data, file)) == data->Bcmt[0])
	225	ParseComment(data);
	226	Ungetc(data, c, file);
	227	}
	228	}
	229	return 0;
	230	}
	231
	232
	233	/*
	234	* skip whitespace and return the following word
	235	*/
	236	unsigned int
	237	xpmNextWord(data, buf, buflen)
	238	xpmData *data;
	239	char *buf;
	240	unsigned int buflen;
	241	{
	242	register unsigned int n = 0;
	243	int c;
	244
	245	if (!data->type \|\| data->type == XPMBUFFER) {
	246	while (isspace(c = *data->cptr) && c != data->Eos)
	247	data->cptr++;
	248	do {
	249	c = *data->cptr++;
	250	*buf++ = c;
	251	n++;
	252	} while (!isspace(c) && c != data->Eos && n < buflen);
	253	n--;
	254	data->cptr--;
	255	} else {
	256	FILE *file = data->stream.file;
	257
	258	while ((c = Getc(data, file)) != EOF && isspace(c) && c != data->Eos)
	259	{
	260	}
	261	while (!isspace(c) && c != data->Eos && c != EOF && n < buflen) {
	262	*buf++ = c;
	263	n++;
	264	c = Getc(data, file);
	265	}
	266	Ungetc(data, c, file);
	267	}
	268	return (n);
	269	}
	270
	271	/*
	272	* skip whitespace and compute the following unsigned int,
	273	* returns 1 if one is found and 0 if not
	274	*/
	275	int
	276	xpmNextUI(data, ui_return)
	277	xpmData *data;
	278	unsigned int *ui_return;
	279	{
	280	char buf[BUFSIZ];
	281	int l;
	282
	283	l = xpmNextWord(data, buf, BUFSIZ);
	284	return xpmatoui(buf, l, ui_return);
	285	}
	286
	287	/*
	288	* return end of string - WARNING: malloc!
	289	*/
	290	int
	291	xpmGetString(data, sptr, l)
	292	xpmData *data;
	293	char **sptr;
	294	unsigned int *l;
	295	{
	296	unsigned int i, n = 0;
	297	int c;
	298	char p = NULL, q, buf[BUFSIZ];
	299
	300	if (!data->type \|\| data->type == XPMBUFFER) {
	301	if (data->cptr) {
	302	char *start = data->cptr;
	303	while ((c = *data->cptr)!=NULL && c != data->Eos)
	304	data->cptr++;
	305	n = data->cptr - start + 1;
	306	p = (char *) XpmMalloc(n);
	307	if (!p)
	308	return (XpmNoMemory);
	309	strncpy(p, start, n);
	310	if (data->type) /* XPMBUFFER */
	311	p[n - 1] = '\0';
	312	}
	313	} else {
	314	FILE *file = data->stream.file;
	315
	316	if ((c = Getc(data, file)) == EOF)
	317	return (XpmFileInvalid);
	318
	319	i = 0;
	320	q = buf;
	321	p = (char *) XpmMalloc(1);
	322	while (c != data->Eos && c != EOF) {
	323	if (i == BUFSIZ) {
	324	/* get to the end of the buffer */
	325	/* malloc needed memory */
	326	q = (char *) XpmRealloc(p, n + i);
	327	if (!q) {
	328	XpmFree(p);
	329	return (XpmNoMemory);
	330	}
	331	p = q;
	332	q += n;
	333	/* and copy what we already have */
	334	strncpy(q, buf, i);
	335	n += i;
	336	i = 0;
	337	q = buf;
	338	}
	339	*q++ = c;
	340	i++;
	341	c = Getc(data, file);
	342	}
	343	if (c == EOF) {
	344	XpmFree(p);
	345	return (XpmFileInvalid);
	346	}
	347	if (n + i != 0) {
	348	/* malloc needed memory */
	349	q = (char *) XpmRealloc(p, n + i + 1);
	350	if (!q) {
	351	XpmFree(p);
	352	return (XpmNoMemory);
	353	}
	354	p = q;
	355	q += n;
	356	/* and copy the buffer */
	357	strncpy(q, buf, i);
	358	n += i;
	359	p[n++] = '\0';
	360	} else {
	361	*p = '\0';
	362	n = 1;
	363	}
	364	Ungetc(data, c, file);
	365	}
	366	*sptr = p;
	367	*l = n;
	368	return (XpmSuccess);
	369	}
	370
	371	/*
	372	* get the current comment line
	373	*/
	374	int
	375	xpmGetCmt(data, cmt)
	376	xpmData *data;
	377	char **cmt;
	378	{
	379	if (!data->type)
	380	*cmt = NULL;
	381	else if (data->CommentLength) {
	382	cmt = (char ) XpmMalloc(data->CommentLength + 1);
	383	strncpy(*cmt, data->Comment, data->CommentLength);
	384	(*cmt)[data->CommentLength] = '\0';
	385	data->CommentLength = 0;
	386	} else
	387	*cmt = NULL;
	388	return 0;
	389	}
	390
	391	xpmDataType xpmDataTypes[] =
	392	{
	393	"", "!", "\n", '\0', '\n', "", "", "", "", /* Natural type */
	394	"C", "/", "/", '"', '"', ",\n", "static char *", "[] = {\n", "};\n",
	395	"Lisp", ";", "\n", '"', '"', "\n", "(setq ", " '(\n", "))\n",
	396	#ifdef VMS
	397	NULL
	398	#else
	399	NULL, NULL, NULL, 0, 0, NULL, NULL, NULL, NULL
	400	#endif
	401	};
	402
	403	/*
	404	* parse xpm header
	405	*/
	406	int
	407	xpmParseHeader(data)
	408	xpmData *data;
	409	{
	410	char buf[BUFSIZ];
	411	int l, n = 0;
	412
	413	if (data->type) {
	414	data->Bos = '\0';
	415	data->Eos = '\n';
	416	data->Bcmt = data->Ecmt = NULL;
	417	l = xpmNextWord(data, buf, BUFSIZ);
	418	if (l == 7 && !strncmp("#define", buf, 7)) {
	419	/* this maybe an XPM 1 file */
	420	char *ptr;
	421
	422	l = xpmNextWord(data, buf, BUFSIZ);
	423	if (!l)
	424	return (XpmFileInvalid);
	425	buf[l] = '\0';
	426	#if defined(macintosh) \|\| defined(__APPLE__)
	427	ptr = strrchr(buf, '_');
	428	#else
	429	ptr = rindex(buf, '_');
	430	#endif
	431	if (!ptr \|\| strncmp("_format", ptr, l - (ptr - buf)))
	432	return XpmFileInvalid;
	433	/* this is definitely an XPM 1 file */
	434	data->format = 1;
	435	n = 1; /* handle XPM1 as mainly XPM2 C */
	436	} else {
	437
	438	/*
	439	* skip the first word, get the second one, and see if this is
	440	* XPM 2 or 3
	441	*/
	442	l = xpmNextWord(data, buf, BUFSIZ);
	443	if ((l == 3 && !strncmp("XPM", buf, 3)) \|\|
	444	(l == 4 && !strncmp("XPM2", buf, 4))) {
	445	if (l == 3)
	446	n = 1; /* handle XPM as XPM2 C */
	447	else {
	448	/* get the type key word */
	449	l = xpmNextWord(data, buf, BUFSIZ);
	450
	451	/*
	452	* get infos about this type
	453	*/
	454	while (xpmDataTypes[n].type
	455	&& strncmp(xpmDataTypes[n].type, buf, l))
	456	n++;
	457	}
	458	data->format = 0;
	459	} else
	460	/* nope this is not an XPM file */
	461	return XpmFileInvalid;
	462	}
	463	if (xpmDataTypes[n].type) {
	464	if (n == 0) { /* natural type */
	465	data->Bcmt = xpmDataTypes[n].Bcmt;
	466	data->Ecmt = xpmDataTypes[n].Ecmt;
	467	xpmNextString(data); /* skip the end of the headerline */
	468	data->Bos = xpmDataTypes[n].Bos;
	469	data->Eos = xpmDataTypes[n].Eos;
	470	} else {
	471	data->Bcmt = xpmDataTypes[n].Bcmt;
	472	data->Ecmt = xpmDataTypes[n].Ecmt;
	473	if (!data->format) { /* XPM 2 or 3 */
	474	data->Bos = xpmDataTypes[n].Bos;
	475	data->Eos = '\0';
	476	/* get to the beginning of the first string */
	477	xpmNextString(data);
	478	data->Eos = xpmDataTypes[n].Eos;
	479	} else /* XPM 1 skip end of line */
	480	xpmNextString(data);
	481	}
	482	} else
	483	/* we don't know about that type of XPM file... */
	484	return XpmFileInvalid;
	485	}
	486	return XpmSuccess;
	487	}