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 #include +#include #include #ifdef HAVE_SYS_TYPES_H #include #endif +#ifdef HAVE_SYS_WAIT_H +#include +#endif #ifdef HAVE_SYS_STAT_H #include #endif @@ -87,16 +91,6 @@ strcpy(dst, src); \ else return (XpmFileInvalid); } #endif -#include -#if !defined(NO_ZPIPE) && defined(WIN32) -# define popen _popen -# define pclose _pclose -# if defined(STAT_ZFILE) -# include -# 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 #include +#include #include #ifdef HAVE_SYS_TYPES_H #include #endif +#ifdef HAVE_SYS_WAIT_H +#include +#endif #ifdef HAVE_SYS_STAT_H #include #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 - } }