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/*
* 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.
*/
/*****************************************************************************\
* RdFToI.c: *
* *
* XPM library *
* Parse an XPM file and create the image and possibly its mask *
* *
* Developed by Arnaud Le Hors *
\*****************************************************************************/
/* $XFree86$ */
/* October 2004, source code review by Thomas Biege <thomas@suse.de> */
#include "XpmI.h"
#include <sys/stat.h>
#if !defined(NO_ZPIPE) && defined(WIN32)
# define popen _popen
# define pclose _pclose
# if defined(STAT_ZFILE)
# include <io.h>
# define stat _stat
# define fstat _fstat
# endif
#endif
LFUNC(OpenReadFile, int, (char *filename, xpmData *mdata));
LFUNC(xpmDataClose, void, (xpmData *mdata));
#ifndef CXPMPROG
int
XpmReadFileToImage(display, filename,
image_return, shapeimage_return, attributes)
Display *display;
char *filename;
XImage **image_return;
XImage **shapeimage_return;
XpmAttributes *attributes;
{
XpmImage image;
XpmInfo info;
int ErrorStatus;
xpmData mdata;
xpmInitXpmImage(&image);
xpmInitXpmInfo(&info);
/* open file to read */
if ((ErrorStatus = OpenReadFile(filename, &mdata)) != XpmSuccess)
return (ErrorStatus);
/* create the XImage from the XpmData */
if (attributes) {
xpmInitAttributes(attributes);
xpmSetInfoMask(&info, attributes);
ErrorStatus = xpmParseDataAndCreate(display, &mdata,
image_return, shapeimage_return,
&image, &info, attributes);
} else
ErrorStatus = xpmParseDataAndCreate(display, &mdata,
image_return, shapeimage_return,
&image, NULL, attributes);
if (attributes) {
if (ErrorStatus >= 0) /* no fatal error */
xpmSetAttributes(attributes, &image, &info);
XpmFreeXpmInfo(&info);
}
xpmDataClose(&mdata);
/* free the XpmImage */
XpmFreeXpmImage(&image);
return (ErrorStatus);
}
int
XpmReadFileToXpmImage(filename, image, info)
char *filename;
XpmImage *image;
XpmInfo *info;
{
xpmData mdata;
int ErrorStatus;
/* init returned values */
xpmInitXpmImage(image);
xpmInitXpmInfo(info);
/* open file to read */
if ((ErrorStatus = OpenReadFile(filename, &mdata)) != XpmSuccess)
return (ErrorStatus);
/* create the XpmImage from the XpmData */
ErrorStatus = xpmParseData(&mdata, image, info);
xpmDataClose(&mdata);
return (ErrorStatus);
}
#endif /* CXPMPROG */
/*
* open the given file to be read as an xpmData which is returned.
*/
#ifndef NO_ZPIPE
FILE *s_popen(char *cmd, const char *type);
#else
# define s_popen popen
#endif
static int
OpenReadFile(filename, mdata)
char *filename;
xpmData *mdata;
{
#ifndef NO_ZPIPE
char buf[BUFSIZ];
# ifdef STAT_ZFILE
char *compressfile;
struct stat status;
# endif
#endif
if (!filename) {
mdata->stream.file = (stdin);
mdata->type = XPMFILE;
} else {
#ifndef NO_ZPIPE
size_t len = strlen(filename);
if(len == 0 ||
filename[len-1] == '/')
return(XpmOpenFailed);
if ((len > 2) && !strcmp(".Z", filename + (len - 2))) {
mdata->type = XPMPIPE;
snprintf(buf, sizeof(buf), "uncompress -c \"%s\"", filename);
if (!(mdata->stream.file = s_popen(buf, "r")))
return (XpmOpenFailed);
} else if ((len > 3) && !strcmp(".gz", filename + (len - 3))) {
mdata->type = XPMPIPE;
snprintf(buf, sizeof(buf), "gunzip -qc \"%s\"", filename);
if (!(mdata->stream.file = s_popen(buf, "r")))
return (XpmOpenFailed);
} else {
# ifdef STAT_ZFILE
if (!(compressfile = (char *) XpmMalloc(len + 4)))
return (XpmNoMemory);
snprintf(compressfile, len+4, "%s.Z", filename);
if (!stat(compressfile, &status)) {
snprintf(buf, sizeof(buf), "uncompress -c \"%s\"", compressfile);
if (!(mdata->stream.file = s_popen(buf, "r"))) {
XpmFree(compressfile);
return (XpmOpenFailed);
}
mdata->type = XPMPIPE;
} else {
snprintf(compressfile, len+4, "%s.gz", filename);
if (!stat(compressfile, &status)) {
snprintf(buf, sizeof(buf), "gunzip -c \"%s\"", compressfile);
if (!(mdata->stream.file = s_popen(buf, "r"))) {
XpmFree(compressfile);
return (XpmOpenFailed);
}
mdata->type = XPMPIPE;
} else {
# endif
#endif
if (!(mdata->stream.file = fopen(filename, "r"))) {
#if !defined(NO_ZPIPE) && defined(STAT_ZFILE)
XpmFree(compressfile);
#endif
return (XpmOpenFailed);
}
mdata->type = XPMFILE;
#ifndef NO_ZPIPE
# ifdef STAT_ZFILE
}
}
XpmFree(compressfile);
# endif
}
#endif
}
mdata->CommentLength = 0;
#ifdef CXPMPROG
mdata->lineNum = 0;
mdata->charNum = 0;
#endif
return (XpmSuccess);
}
/*
* close the file related to the xpmData if any
*/
static void
xpmDataClose(mdata)
xpmData *mdata;
{
switch (mdata->type) {
case XPMFILE:
if (mdata->stream.file != (stdin))
fclose(mdata->stream.file);
break;
#ifndef NO_ZPIPE
case XPMPIPE:
fclose(mdata->stream.file);
break;
#endif
}
}
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