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-rw-r--r--packages/lesstif/files/020_xpmpipethrough.diff381
1 files changed, 381 insertions, 0 deletions
diff --git a/packages/lesstif/files/020_xpmpipethrough.diff b/packages/lesstif/files/020_xpmpipethrough.diff
new file mode 100644
index 0000000000..69f9a2464c
--- /dev/null
+++ b/packages/lesstif/files/020_xpmpipethrough.diff
@@ -0,0 +1,381 @@
+Index: lesstif2-0.95.0/lib/Xm-2.1/XpmRdFToI.c
+===================================================================
+--- lesstif2-0.95.0.orig/lib/Xm-2.1/XpmRdFToI.c 2004-11-18 22:00:58.000000000 +0100
++++ lesstif2-0.95.0/lib/Xm-2.1/XpmRdFToI.c 2006-07-11 11:13:29.000000000 +0200
+@@ -44,11 +44,15 @@
+ DebugUtil.h! */
+ #include <stdio.h>
+ #include <string.h>
++#include <errno.h>
+
+ #include <ctype.h>
+ #ifdef HAVE_SYS_TYPES_H
+ #include <sys/types.h>
+ #endif
++#ifdef HAVE_SYS_WAIT_H
++#include <sys/wait.h>
++#endif
+ #ifdef HAVE_SYS_STAT_H
+ #include <sys/stat.h>
+ #endif
+@@ -87,16 +91,6 @@
+ strcpy(dst, src); \
+ else return (XpmFileInvalid); }
+ #endif
+-#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));
+@@ -173,90 +167,131 @@
+ }
+ #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
++/* Do not depend on errno after read_through */
++FILE*
++xpmPipeThrough(fd, cmd, arg1, mode)
++ 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, 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(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)))
++ 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);
+-
+- 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"))) {
++ 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);
+- }
+- 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
++ return XpmOpenFailed;
+ }
+ }
+ XpmFree(compressfile);
+-# endif
+ }
+ #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
+@@ -273,15 +308,6 @@
+ xpmDataClose(mdata)
+ xpmData *mdata;
+ {
+- switch (mdata->type) {
+- case XPMFILE:
+- if (mdata->stream.file != (stdin))
+- fclose(mdata->stream.file);
+- break;
+-#ifndef NO_ZPIPE
+- case XPMPIPE:
++ if (mdata->stream.file != (stdin))
+ fclose(mdata->stream.file);
+- break;
+-#endif
+- }
+ }
+Index: lesstif2-0.95.0/lib/Xm-2.1/XpmWrFFrI.c
+===================================================================
+--- lesstif2-0.95.0.orig/lib/Xm-2.1/XpmWrFFrI.c 2005-04-13 20:03:27.000000000 +0200
++++ lesstif2-0.95.0/lib/Xm-2.1/XpmWrFFrI.c 2006-07-11 11:13:29.000000000 +0200
+@@ -50,11 +50,15 @@
+ DebugUtil.h! */
+ #include <stdio.h>
+ #include <string.h>
++#include <errno.h>
+
+ #include <ctype.h>
+ #ifdef HAVE_SYS_TYPES_H
+ #include <sys/types.h>
+ #endif
++#ifdef HAVE_SYS_WAIT_H
++#include <sys/wait.h>
++#endif
+ #ifdef HAVE_SYS_STAT_H
+ #include <sys/stat.h>
+ #endif
+@@ -94,11 +98,6 @@
+ else return (XpmFileInvalid); }
+ #endif
+
+-#if !defined(NO_ZPIPE) && defined(WIN32)
+-# define popen _popen
+-# define pclose _pclose
+-#endif
+-
+ /* MS Windows define a function called WriteFile @#%#&!!! */
+ LFUNC(xpmWriteFile, int, (FILE *file, XpmImage *image, char *name,
+ XpmInfo *info));
+@@ -354,58 +353,48 @@
+ fprintf(file, ",\n\"XPMENDEXT\"");
+ }
+
++
++#ifndef NO_ZPIPE
++FUNC(xpmPipeThrough, FILE*, (int fd,
++ const char* cmd,
++ const char* arg1,
++ const char* mode));
++#endif
++
+ /*
+ * open the given file to be written 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
+ OpenWriteFile(filename, mdata)
+ char *filename;
+ xpmData *mdata;
+ {
+-#ifndef NO_ZPIPE
+- char buf[BUFSIZ];
+-
+-#endif
+-
+ if (!filename) {
+ mdata->stream.file = (stdout);
+ mdata->type = XPMFILE;
+ } else {
+ #ifndef NO_ZPIPE
+- size_t len = strlen(filename);
+-
+- if(len == 0 ||
+- filename[0] == '/' ||
+- strstr(filename, "../") != NULL ||
+- filename[len-1] == '/')
+- return(XpmOpenFailed);
+-
++ size_t len;
++#endif
++ int fd = open(filename, O_WRONLY|O_CREAT|O_TRUNC, 0644);
++ if ( fd < 0 )
++ return(XpmOpenFailed);
++#ifndef NO_ZPIPE
++ len = strlen(filename);
+ if (len > 2 && !strcmp(".Z", filename + (len - 2))) {
+- snprintf(buf, sizeof(buf), "compress > \"%s\"", filename);
+- if (!(mdata->stream.file = s_popen(buf, "w")))
+- return (XpmOpenFailed);
+-
++ mdata->stream.file = xpmPipeThrough(fd, "compress", NULL, "w");
+ mdata->type = XPMPIPE;
+ } else if (len > 3 && !strcmp(".gz", filename + (len - 3))) {
+- snprintf(buf, sizeof(buf), "gzip -q > \"%s\"", filename);
+- if (!(mdata->stream.file = s_popen(buf, "w")))
+- return (XpmOpenFailed);
+-
++ mdata->stream.file = xpmPipeThrough(fd, "gzip", "-q", "w");
+ mdata->type = XPMPIPE;
+- } else {
++ } else
+ #endif
+- if (!(mdata->stream.file = fopen(filename, "w")))
+- return (XpmOpenFailed);
+-
++ {
++ mdata->stream.file = fdopen(fd, "w");
+ mdata->type = XPMFILE;
+-#ifndef NO_ZPIPE
+ }
+-#endif
++ if (!mdata->stream.file)
++ return (XpmOpenFailed);
+ }
+ return (XpmSuccess);
+ }
+@@ -417,15 +406,6 @@
+ xpmDataClose(mdata)
+ xpmData *mdata;
+ {
+- switch (mdata->type) {
+- case XPMFILE:
+- if (mdata->stream.file != (stdout))
+- fclose(mdata->stream.file);
+- break;
+-#ifndef NO_ZPIPE
+- case XPMPIPE:
++ if (mdata->stream.file != (stdout))
+ fclose(mdata->stream.file);
+- break;
+-#endif
+- }
+ }
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