diff options
Diffstat (limited to 'libXpm/src/RdFToI.c')
-rw-r--r-- | libXpm/src/RdFToI.c | 548 |
1 files changed, 274 insertions, 274 deletions
diff --git a/libXpm/src/RdFToI.c b/libXpm/src/RdFToI.c index 9f6e3c007..b27a6726d 100644 --- a/libXpm/src/RdFToI.c +++ b/libXpm/src/RdFToI.c @@ -1,274 +1,274 @@ -/*
- * 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 *
-\*****************************************************************************/
-
-/* October 2004, source code review by Thomas Biege <thomas@suse.de> */
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-#include "XpmI.h"
-#ifndef NO_ZPIPE
-#include <fcntl.h>
-#include <errno.h>
-#include <sys/types.h>
-#include <sys/wait.h>
-typedef int pid_t;
-#else
-#ifdef FOR_MSW
-#include <fcntl.h>
-#endif
-#endif
-
-LFUNC(OpenReadFile, int, (char *filename, xpmData *mdata));
-LFUNC(xpmDataClose, void, (xpmData *mdata));
-
-FUNC(xpmPipeThrough, FILE*, (int fd,
- const char *cmd,
- const char *arg1,
- const char *mode));
-
-#ifndef CXPMPROG
-int
-XpmReadFileToImage(
- 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(
- 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 */
-
-#ifndef NO_ZPIPE
-/* Do not depend on errno after read_through */
-FILE*
-xpmPipeThrough(
- int fd,
- const char *cmd,
- const char *arg1,
- const char *mode)
-{
- FILE* fp;
- int status, fds[2], in = 0, out = 1;
- pid_t pid;
- if ( 'w' == *mode )
- out = 0, in = 1;
- if ( pipe(fds) < 0 )
- return NULL;
- pid = fork();
- if ( pid < 0 )
- goto fail1;
- if ( 0 == pid )
- {
- close(fds[in]);
- if ( dup2(fds[out], out) < 0 )
- goto err;
- close(fds[out]);
- if ( dup2(fd, in) < 0 )
- goto err;
- close(fd);
- pid = fork();
- if ( pid < 0 )
- goto err;
- if ( 0 == pid )
- {
- execlp(cmd, cmd, arg1, (char *)NULL);
- perror(cmd);
- goto err;
- }
- _exit(0);
- err:
- _exit(1);
- }
- close(fds[out]);
- /* calling process: wait for first child */
- while ( waitpid(pid, &status, 0) < 0 && EINTR == errno )
- ;
- if ( WIFSIGNALED(status) ||
- (WIFEXITED(status) && WEXITSTATUS(status) != 0) )
- goto fail2;
- fp = fdopen(fds[in], mode);
- if ( !fp )
- goto fail2;
- close(fd); /* still open in 2nd child */
- return fp;
-fail1:
- close(fds[out]);
-fail2:
- close(fds[in]);
- return NULL;
-}
-#endif
-
-/*
- * open the given file to be read as an xpmData which is returned.
- */
-static int
-OpenReadFile(
- char *filename,
- xpmData *mdata)
-{
- if (!filename) {
- mdata->stream.file = (stdin);
- mdata->type = XPMFILE;
- } else {
- int fd = open(filename, O_RDONLY);
-#if defined(NO_ZPIPE)
- if ( fd < 0 )
- return XpmOpenFailed;
-#else
- const char* ext = NULL;
- if ( fd >= 0 )
- ext = strrchr(filename, '.');
-#ifdef STAT_ZFILE /* searching for z-files if the given name not found */
- else
- {
- size_t len = strlen(filename);
- char *compressfile = (char *) XpmMalloc(len + 4);
- if ( !compressfile )
- return (XpmNoMemory);
- strcpy(compressfile, filename);
- strcpy(compressfile + len, ext = ".Z");
- fd = open(compressfile, O_RDONLY);
- if ( fd < 0 )
- {
- strcpy(compressfile + len, ext = ".gz");
- fd = open(compressfile, O_RDONLY);
- if ( fd < 0 )
- {
- XpmFree(compressfile);
- return XpmOpenFailed;
- }
- }
- XpmFree(compressfile);
- }
-#endif
- if ( ext && !strcmp(ext, ".Z") )
- {
- mdata->type = XPMPIPE;
- mdata->stream.file = xpmPipeThrough(fd, "uncompress", "-c", "r");
- }
- else if ( ext && !strcmp(ext, ".gz") )
- {
- mdata->type = XPMPIPE;
- mdata->stream.file = xpmPipeThrough(fd, "gunzip", "-qc", "r");
- }
- else
-#endif /* z-files */
- {
- mdata->type = XPMFILE;
- mdata->stream.file = fdopen(fd, "r");
- }
- if (!mdata->stream.file)
- {
- close(fd);
- return (XpmOpenFailed);
- }
- }
- 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(xpmData *mdata)
-{
- if (mdata->stream.file != (stdin))
- fclose(mdata->stream.file);
-}
+/* + * 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 * +\*****************************************************************************/ + +/* October 2004, source code review by Thomas Biege <thomas@suse.de> */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif +#include "XpmI.h" +#ifndef NO_ZPIPE +#include <fcntl.h> +#include <errno.h> +#include <sys/types.h> +#include <sys/wait.h> +typedef int pid_t; +#else +#ifdef FOR_MSW +#include <fcntl.h> +#endif +#endif + +LFUNC(OpenReadFile, int, (char *filename, xpmData *mdata)); +LFUNC(xpmDataClose, void, (xpmData *mdata)); + +FUNC(xpmPipeThrough, FILE*, (int fd, + const char *cmd, + const char *arg1, + const char *mode)); + +#ifndef CXPMPROG +int +XpmReadFileToImage( + 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( + 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 */ + +#ifndef NO_ZPIPE +/* Do not depend on errno after read_through */ +FILE* +xpmPipeThrough( + int fd, + const char *cmd, + const char *arg1, + const char *mode) +{ + FILE* fp; + int status, fds[2], in = 0, out = 1; + pid_t pid; + if ( 'w' == *mode ) + out = 0, in = 1; + if ( pipe(fds) < 0 ) + return NULL; + pid = fork(); + if ( pid < 0 ) + goto fail1; + if ( 0 == pid ) + { + close(fds[in]); + if ( dup2(fds[out], out) < 0 ) + goto err; + close(fds[out]); + if ( dup2(fd, in) < 0 ) + goto err; + close(fd); + pid = fork(); + if ( pid < 0 ) + goto err; + if ( 0 == pid ) + { + execlp(cmd, cmd, arg1, (char *)NULL); + perror(cmd); + goto err; + } + _exit(0); + err: + _exit(1); + } + close(fds[out]); + /* calling process: wait for first child */ + while ( waitpid(pid, &status, 0) < 0 && EINTR == errno ) + ; + if ( WIFSIGNALED(status) || + (WIFEXITED(status) && WEXITSTATUS(status) != 0) ) + goto fail2; + fp = fdopen(fds[in], mode); + if ( !fp ) + goto fail2; + close(fd); /* still open in 2nd child */ + return fp; +fail1: + close(fds[out]); +fail2: + close(fds[in]); + return NULL; +} +#endif + +/* + * open the given file to be read as an xpmData which is returned. + */ +static int +OpenReadFile( + char *filename, + xpmData *mdata) +{ + if (!filename) { + mdata->stream.file = (stdin); + mdata->type = XPMFILE; + } else { + int fd = open(filename, O_RDONLY); +#if defined(NO_ZPIPE) + if ( fd < 0 ) + return XpmOpenFailed; +#else + const char* ext = NULL; + if ( fd >= 0 ) + ext = strrchr(filename, '.'); +#ifdef STAT_ZFILE /* searching for z-files if the given name not found */ + else + { + size_t len = strlen(filename); + char *compressfile = (char *) XpmMalloc(len + 4); + if ( !compressfile ) + return (XpmNoMemory); + strcpy(compressfile, filename); + strcpy(compressfile + len, ext = ".Z"); + fd = open(compressfile, O_RDONLY); + if ( fd < 0 ) + { + strcpy(compressfile + len, ext = ".gz"); + fd = open(compressfile, O_RDONLY); + if ( fd < 0 ) + { + XpmFree(compressfile); + return XpmOpenFailed; + } + } + XpmFree(compressfile); + } +#endif + if ( ext && !strcmp(ext, ".Z") ) + { + mdata->type = XPMPIPE; + mdata->stream.file = xpmPipeThrough(fd, "uncompress", "-c", "r"); + } + else if ( ext && !strcmp(ext, ".gz") ) + { + mdata->type = XPMPIPE; + mdata->stream.file = xpmPipeThrough(fd, "gunzip", "-qc", "r"); + } + else +#endif /* z-files */ + { + mdata->type = XPMFILE; + mdata->stream.file = fdopen(fd, "r"); + } + if (!mdata->stream.file) + { + close(fd); + return (XpmOpenFailed); + } + } + 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(xpmData *mdata) +{ + if (mdata->stream.file != (stdin)) + fclose(mdata->stream.file); +} |