/* Copyright (c) 1990-2007 Info-ZIP. All rights reserved. See the accompanying file LICENSE, version 2000-Apr-09 or later (the contents of which are also included in unzip.h) for terms of use. If, for some reason, all these files are missing, the Info-ZIP license also may be found at: ftp://ftp.info-zip.org/pub/infozip/license.html */ /*------------------------------------------------------------------------ amiga.c Amiga-specific routines for use with Info-ZIP's UnZip 5.1 and later. See History.5xx for revision history. Contents: do_wild() mapattr() mapname() checkdir() close_outfile() stamp_file() _abort() (Aztec C only) [dateformat()] (currently not used) screensize() version() ------------------------------------------------------------------------*/ #define UNZIP_INTERNAL #ifdef AZTEC_C # define NO_FCNTL_H #endif #include "unzip.h" #include "unzvers.h" /* Globular varibundus -- now declared in SYSTEM_SPECIFIC_GLOBALS in amiga.h */ /* static int created_dir; */ /* used in mapname(), checkdir() */ /* static int renamed_fullpath; */ /* ditto */ #define PERMS 0777 #define MKDIR(path,mode) mkdir(path) #ifndef S_ISCRIPT /* not having one implies you have none */ # define S_IARCHIVE 0020 /* not modified since this bit was last set */ # define S_IREAD 0010 /* can be opened for reading */ # define S_IWRITE 0004 /* can be opened for writing */ # define S_IDELETE 0001 /* can be deleted */ #endif /* S_ISCRIPT */ #ifndef S_IRWD # define S_IRWD 0015 /* useful combo of Amiga privileges */ #endif /* !S_IRWD */ #ifndef S_IHIDDEN # define S_IHIDDEN 0200 /* hidden supported in future AmigaDOS (someday) */ #endif /* !S_HIDDEN */ #ifndef SFX /* Make sure the number here matches unzvers.h in the *EXACT* form */ /* UZ_MAJORVER "." UZ_MINORVER UZ_PATCHLEVEL vvvv No non-digits! */ const char version_id[] = "\0$VER: UnZip " UZ_VER_STRING " (" #include "env:VersionDate" ")\r\n"; #endif /* SFX */ static int ispattern(ZCONST char *p) { register char c; while (c = *p++) if (c == '\\') { if (!*++p) return FALSE; } else if (c == '?' || c == '*') return TRUE; else if (c == '[') { for (;;) { if (!(c = *p++)) return FALSE; else if (c == '\\') { if (!*++p) return FALSE; } else if (c == ']') return TRUE; } } return FALSE; } /**********************/ /* Function do_wild() */ /**********************/ char *do_wild(__G__ wildspec) __GDEF ZCONST char *wildspec; /* only used first time on a given dir */ { /* these statics are now declared in SYSTEM_SPECIFIC_GLOBALS in amiga.h: static DIR *wild_dir = NULL; static ZCONST char *wildname; static char *dirname, matchname[FILNAMSIZ]; static int notfirstcall = FALSE, dirnamelen; */ struct dirent *file; BPTR lok = 0; /* Even when we're just returning wildspec, we *always* do so in * matchname[]--calling routine is allowed to append four characters * to the returned string, and wildspec may be a pointer to argv[]. */ if (!G.notfirstcall) { /* first call: must initialize everything */ G.notfirstcall = TRUE; /* avoid needless readdir() scans: */ if (!ispattern(wildspec) || (lok = Lock((char *)wildspec, ACCESS_READ))) { if (lok) UnLock(lok); /* ^^ we ignore wildcard chars if */ G.dirnamelen = 0; /* the name matches a real file */ strncpy(G.matchname, wildspec, FILNAMSIZ); G.matchname[FILNAMSIZ-1] = '\0'; return G.matchname; } /* break the wildspec into a directory part and a wildcard filename */ if ((G.wildname = (ZCONST char *)strrchr(wildspec, '/')) == NULL && (G.wildname = (ZCONST char *)strrchr(wildspec, ':')) == NULL) { G.dirname = ""; /* current dir */ G.dirnamelen = 0; G.wildname = wildspec; } else { ++G.wildname; /* point at character after '/' or ':' */ G.dirnamelen = G.wildname - wildspec; if ((G.dirname = (char *)malloc(G.dirnamelen+1)) == NULL) { Info(slide, 1, ((char *)slide, "warning: cannot allocate wildcard buffers\n")); strncpy(G.matchname, wildspec, FILNAMSIZ); G.matchname[FILNAMSIZ-1] = '\0'; return G.matchname; /* but maybe filespec was not a wildcard */ } strncpy(G.dirname, wildspec, G.dirnamelen); G.dirname[G.dirnamelen] = '\0'; } if ((G.wild_dir = opendir(G.dirname)) != NULL) { while ((file = readdir(G.wild_dir)) != NULL) { if (match(file->d_name, G.wildname, 1 WISEP)) {/* ignore case */ strcpy(G.matchname, G.dirname); strcpy(G.matchname + G.dirnamelen, file->d_name); return G.matchname; } } /* if we get to here directory is exhausted, so close it */ closedir(G.wild_dir); G.wild_dir = NULL; } /* return the raw wildspec in case that works (e.g., directory not * searchable, but filespec was not wild and file is readable) */ strncpy(G.matchname, wildspec, FILNAMSIZ); G.matchname[FILNAMSIZ-1] = '\0'; return G.matchname; } /* last time through, might have failed opendir but returned raw wildspec */ if (G.wild_dir == NULL) { G.notfirstcall = FALSE; /* nothing left to try -- reset */ if (G.dirnamelen > 0) free(G.dirname); return (char *)NULL; } /* If we've gotten this far, we've read and matched at least one entry * successfully (in a previous call), so dirname has been copied into * matchname already. */ while ((file = readdir(G.wild_dir)) != NULL) if (match(file->d_name, G.wildname, 1 WISEP)) { /* 1 == ignore case */ /* strcpy(G.matchname, dirname); */ strcpy(G.matchname + G.dirnamelen, file->d_name); return G.matchname; } closedir(G.wild_dir); /* have read at least one dir entry; nothing left */ G.wild_dir = NULL; G.notfirstcall = FALSE; /* reset for new wildspec */ if (G.dirnamelen > 0) free(G.dirname); return (char *)NULL; } /* end function do_wild() */ /**********************/ /* Function mapattr() */ /**********************/ int mapattr(__G) /* Amiga version */ __GDEF { ulg tmp = G.crec.external_file_attributes; /* Amiga attributes = hsparwed = hidden, script, pure, archive, * read, write, execute, delete */ switch (G.pInfo->hostnum) { case AMIGA_: if ((tmp & 1) == (tmp>>18 & 1)) tmp ^= 0x000F0000; /* PKAZip compatibility kluge */ /* turn off archive bit for restored Amiga files */ G.pInfo->file_attr = (unsigned)((tmp>>16) & (~S_IARCHIVE)); break; case UNIX_: /* preserve read, write, execute: use logical-OR of */ case VMS_: /* user, group, and other; if writable, set delete bit */ case ACORN_: case ATARI_: case ATHEOS_: case BEOS_: case QDOS_: case TANDEM_: { unsigned uxattr = (unsigned)(tmp >> 16); int r = FALSE; if (uxattr == 0 && G.extra_field) { /* Some (non-Info-ZIP) implementations of Zip for Unix and VMS (and probably others ??) leave 0 in the upper 16-bit part of the external_file_attributes field. Instead, they store file permission attributes in some extra field. As a work-around, we search for the presence of one of these extra fields and fall back to the MSDOS compatible part of external_file_attributes if one of the known e.f. types has been detected. Later, we might implement extraction of the permission bits from the VMS extra field. But for now, the work-around should be sufficient to provide "readable" extracted files. (For ASI Unix e.f., an experimental remap of the e.f. mode value IS already provided!) */ ush ebID; unsigned ebLen; uch *ef = G.extra_field; unsigned ef_len = G.crec.extra_field_length; while (!r && ef_len >= EB_HEADSIZE) { ebID = makeword(ef); ebLen = (unsigned)makeword(ef+EB_LEN); if (ebLen > (ef_len - EB_HEADSIZE)) /* discoverd some e.f. inconsistency! */ break; switch (ebID) { case EF_ASIUNIX: if (ebLen >= (EB_ASI_MODE+2)) { uxattr = (unsigned)makeword(ef+(EB_HEADSIZE+EB_ASI_MODE)); /* force stop of loop: */ ef_len = (ebLen + EB_HEADSIZE); break; } /* else: fall through! */ case EF_PKVMS: /* "found nondecypherable e.f. with perm. attr" */ r = TRUE; default: break; } ef_len -= (ebLen + EB_HEADSIZE); ef += (ebLen + EB_HEADSIZE); } } if (!r) { uxattr = (( uxattr>>6 | uxattr>>3 | uxattr) & 07) << 1; G.pInfo->file_attr = (unsigned)(uxattr&S_IWRITE ? uxattr|S_IDELETE : uxattr); break; } } /* fall through! */ /* all other platforms: assume read-only bit in DOS half of attribute * word is set correctly ==> will become READ or READ+WRITE+DELETE */ case FS_FAT_: case FS_HPFS_: /* can add S_IHIDDEN check to MSDOS/OS2/NT eventually */ case FS_NTFS_: case MAC_: case TOPS20_: default: G.pInfo->file_attr = (unsigned)(tmp&1? S_IREAD : S_IRWD); break; } /* end switch (host-OS-created-by) */ G.pInfo->file_attr &= 0xff; /* mask off all but lower eight bits */ return 0; } /* end function mapattr() */ /************************/ /* Function mapname() */ /************************/ int mapname(__G__ renamed) __GDEF int renamed; /* * returns: * MPN_OK - no problem detected * MPN_INF_TRUNC - caution (truncated filename) * MPN_INF_SKIP - info "skip entry" (dir doesn't exist) * MPN_ERR_SKIP - error -> skip entry * MPN_ERR_TOOLONG - error -> path is too long * MPN_NOMEM - error (memory allocation failed) -> skip entry * [also MPN_VOL_LABEL, MPN_CREATED_DIR] */ { char pathcomp[FILNAMSIZ]; /* path-component buffer */ char *pp, *cp=NULL; /* character pointers */ char *lastsemi = NULL; /* pointer to last semi-colon in pathcomp */ int killed_ddot = FALSE; /* is set when skipping "../" pathcomp */ int error = MPN_OK; register unsigned workch; /* hold the character being tested */ /*--------------------------------------------------------------------------- Initialize various pointers and counters and stuff. ---------------------------------------------------------------------------*/ if (G.pInfo->vollabel) return MPN_VOL_LABEL; /* can't set disk volume labels in AmigaDOS */ /* can create path as long as not just freshening, or if user told us */ G.create_dirs = (!uO.fflag || renamed); G.created_dir = FALSE; /* not yet */ /* user gave full pathname: don't prepend G.rootpath */ #ifndef OLD_AMIGA_RENAMED G.renamed_fullpath = (renamed && (*G.filename == '/' || *G.filename == ':')); #else /* supress G.rootpath even when user gave a relative pathname */ # if 1 G.renamed_fullpath = (renamed && strpbrk(G.filename, ":/"); # else G.renamed_fullpath = (renamed && (strchr(G.filename, ':') || strchr(G.filename, '/'))); # endif #endif if (checkdir(__G__ (char *)NULL, INIT) == MPN_NOMEM) return MPN_NOMEM; /* initialize path buffer, unless no memory */ *pathcomp = '\0'; /* initialize translation buffer */ pp = pathcomp; /* point to translation buffer */ if (uO.jflag) /* junking directories */ cp = (char *)strrchr(G.filename, '/'); if (cp == (char *)NULL) /* no '/' or not junking dirs */ cp = G.filename; /* point to internal zipfile-member pathname */ else ++cp; /* point to start of last component of path */ /*--------------------------------------------------------------------------- Begin main loop through characters in filename. ---------------------------------------------------------------------------*/ while ((workch = (uch)*cp++) != 0) { switch (workch) { case '/': /* can assume -j flag not given */ *pp = '\0'; if (strcmp(pathcomp, ".") == 0) { /* don't bother appending "./" to the path */ *pathcomp = '\0'; } else if (!uO.ddotflag && strcmp(pathcomp, "..") == 0) { /* "../" dir traversal detected, skip over it */ *pathcomp = '\0'; killed_ddot = TRUE; /* set "show message" flag */ } /* when path component is not empty, append it now */ if (*pathcomp != '\0' && ((error = checkdir(__G__ pathcomp, APPEND_DIR)) & MPN_MASK) > MPN_INF_TRUNC) return error; pp = pathcomp; /* reset conversion buffer for next piece */ lastsemi = (char *)NULL; /* leave direct. semi-colons alone */ break; case ';': /* VMS version (or DEC-20 attrib?) */ lastsemi = pp; /* keep for now; remove VMS ";##" */ *pp++ = (char)workch; /* later, if requested */ break; default: /* allow ISO European characters in filenames: */ if (isprint(workch) || (160 <= workch && workch <= 255)) *pp++ = (char)workch; } /* end switch */ } /* end while loop */ /* Show warning when stripping insecure "parent dir" path components */ if (killed_ddot && QCOND2) { Info(slide, 0, ((char *)slide, "warning: skipped \"../\" path component(s) in %s\n", FnFilter1(G.filename))); if (!(error & ~MPN_MASK)) error = (error & MPN_MASK) | PK_WARN; } /*--------------------------------------------------------------------------- Report if directory was created (and no file to create: filename ended in '/'), check name to be sure it exists, and combine path and name be- fore exiting. ---------------------------------------------------------------------------*/ if (G.filename[strlen(G.filename) - 1] == '/') { checkdir(__G__ G.filename, GETPATH); if (G.created_dir) { if (QCOND2) { Info(slide, 0, ((char *)slide, " creating: %s\n", FnFilter1(G.filename))); } /* set dir time (note trailing '/') */ return (error & ~MPN_MASK) | MPN_CREATED_DIR; } /* dir existed already; don't look for data to extract */ return (error & ~MPN_MASK) | MPN_INF_SKIP; } *pp = '\0'; /* done with pathcomp: terminate it */ /* if not saving them, remove VMS version numbers (appended ";###") */ if (!uO.V_flag && lastsemi) { pp = lastsemi + 1; while (isdigit((uch)(*pp))) ++pp; if (*pp == '\0') /* only digits between ';' and end: nuke */ *lastsemi = '\0'; } if (*pathcomp == '\0') { Info(slide, 1, ((char *)slide, "mapname: conversion of %s failed\n", FnFilter1(G.filename))); return (error & ~MPN_MASK) | MPN_ERR_SKIP; } error = (error & ~MPN_MASK) | checkdir(__G__ pathcomp, APPEND_NAME); if ((error & MPN_MASK) == MPN_INF_TRUNC) { /* GRR: OK if truncated here: warn and continue */ /* (warn in checkdir?) */ } checkdir(__G__ G.filename, GETPATH); return error; } /* end function mapname() */ /***********************/ /* Function checkdir() */ /***********************/ int checkdir(__G__ pathcomp, flag) __GDEF char *pathcomp; int flag; /* * returns: * MPN_OK - no problem detected * MPN_INF_TRUNC - (on APPEND_NAME) truncated filename * MPN_INF_SKIP - path doesn't exist, not allowed to create * MPN_ERR_SKIP - path doesn't exist, tried to create and failed; or path * exists and is not a directory, but is supposed to be * MPN_ERR_TOOLONG - path is too long * MPN_NOMEM - can't allocate memory for filename buffers */ { /* these statics are now declared in SYSTEM_SPECIFIC_GLOBALS in amiga.h: */ /* static int rootlen = 0; */ /* length of rootpath */ /* static char *rootpath; */ /* user's "extract-to" directory */ /* static char *buildpath; */ /* full path (so far) to extracted file */ /* static char *end; */ /* pointer to end of buildpath ('\0') */ # define FN_MASK 7 # define FUNCTION (flag & FN_MASK) /*--------------------------------------------------------------------------- APPEND_DIR: append the path component to the path being built and check for its existence. If doesn't exist and we are creating directories, do so for this one; else signal success or error as appropriate. ---------------------------------------------------------------------------*/ /* GRR: check path length after each segment: warn about truncation */ if (FUNCTION == APPEND_DIR) { int too_long = FALSE; Trace((stderr, "appending dir segment [%s]\n", FnFilter1(pathcomp))); while ((*G.build_end = *pathcomp++) != '\0') ++G.build_end; /* Truncate components over 30 chars? Nah, the filesystem handles it. */ if ((G.build_end-G.buildpath) > FILNAMSIZ-3) /* room for "/a\0" */ too_long = TRUE; /* check if extracting dir? */ if (SSTAT(G.buildpath, &G.statbuf)) { /* path doesn't exist */ if (!G.create_dirs) { /* told not to create (freshening) */ free(G.buildpath); return MPN_INF_SKIP; /* path doesn't exist: nothing to do */ } if (too_long) { Info(slide, 1, ((char *)slide, "checkdir error: path too long: %s\n", FnFilter1(G.buildpath))); free(G.buildpath); /* no room for filenames: fatal */ return MPN_ERR_TOOLONG; } if (MKDIR(G.buildpath, 0777) == -1) { /* create the directory */ Info(slide, 1, ((char *)slide, "checkdir error: cannot create %s\n\ unable to process %s.\n", FnFilter2(G.buildpath), FnFilter1(G.filename))); free(G.buildpath); /* path didn't exist, tried to create, failed */ return MPN_ERR_SKIP; } G.created_dir = TRUE; } else if (!S_ISDIR(G.statbuf.st_mode)) { Info(slide, 1, ((char *)slide, "checkdir error: %s exists but is not directory\n\ unable to process %s.\n", FnFilter2(G.buildpath), FnFilter1(G.filename))); free(G.buildpath); /* path existed but wasn't dir */ return MPN_ERR_SKIP; } if (too_long) { Info(slide, 1, ((char *)slide, "checkdir error: path too long: %s\n", FnFilter1(G.buildpath))); free(G.buildpath); /* no room for filenames: fatal */ return MPN_ERR_TOOLONG; } *G.build_end++ = '/'; *G.build_end = '\0'; Trace((stderr, "buildpath now = [%s]\n", FnFilter1(G.buildpath))); return MPN_OK; } /* end if (FUNCTION == APPEND_DIR) */ /*--------------------------------------------------------------------------- GETPATH: copy full path to the string pointed at by pathcomp, and free G.buildpath. Not our responsibility to worry whether pathcomp has room. ---------------------------------------------------------------------------*/ if (FUNCTION == GETPATH) { strcpy(pathcomp, G.buildpath); Trace((stderr, "getting and freeing path [%s]\n", FnFilter1(pathcomp))); free(G.buildpath); G.buildpath = G.build_end = (char *)NULL; return MPN_OK; } /*--------------------------------------------------------------------------- APPEND_NAME: assume the path component is the filename; append it and return without checking for existence. ---------------------------------------------------------------------------*/ if (FUNCTION == APPEND_NAME) { Trace((stderr, "appending filename [%s]\n", FnFilter1(pathcomp))); while ((*G.build_end = *pathcomp++) != '\0') { ++G.build_end; if ((G.build_end-G.buildpath) >= FILNAMSIZ) { *--G.build_end = '\0'; Info(slide, 0x201, ((char *)slide, "checkdir warning: path too long; truncating\n\ %s\n -> %s\n", FnFilter1(G.filename), FnFilter2(G.buildpath))); return MPN_INF_TRUNC; /* filename truncated */ } } Trace((stderr, "buildpath now = [%s]\n", FnFilter1(G.buildpath))); /* could check for existence here, prompt for new name... */ return MPN_OK; } /*--------------------------------------------------------------------------- INIT: allocate and initialize buffer space for the file currently being extracted. If file was renamed with an absolute path, don't prepend the extract-to path. ---------------------------------------------------------------------------*/ if (FUNCTION == INIT) { Trace((stderr, "initializing buildpath to ")); if ((G.buildpath = (char *)malloc(strlen(G.filename)+G.rootlen+1)) == (char *)NULL) return MPN_NOMEM; if ((G.rootlen > 0) && !G.renamed_fullpath) { strcpy(G.buildpath, G.rootpath); G.build_end = G.buildpath + G.rootlen; } else { *G.buildpath = '\0'; G.build_end = G.buildpath; } Trace((stderr, "[%s]\n", FnFilter1(G.buildpath))); return MPN_OK; } /*--------------------------------------------------------------------------- ROOT: if appropriate, store the path in G.rootpath and create it if necessary; else assume it's a zipfile member and return. This path segment gets used in extracting all members from every zipfile specified on the command line. ---------------------------------------------------------------------------*/ #if (!defined(SFX) || defined(SFX_EXDIR)) if (FUNCTION == ROOT) { Trace((stderr, "initializing root path to [%s]\n", FnFilter1(pathcomp))); if (pathcomp == (char *)NULL) { G.rootlen = 0; return MPN_OK; } if (G.rootlen > 0) /* rootpath was already set, nothing to do */ return MPN_OK; if ((G.rootlen = strlen(pathcomp)) > 0) { if (stat(pathcomp, &G.statbuf) || !S_ISDIR(G.statbuf.st_mode)) { /* path does not exist */ if (!G.create_dirs) { G.rootlen = 0; /* skip (or treat as stored file) */ return MPN_INF_SKIP; } /* create the directory (could add loop here scanning pathcomp * to create more than one level, but why really necessary?) */ if (MKDIR(pathcomp, 0777) == -1) { Info(slide, 1, ((char *)slide, "checkdir: cannot create extraction directory: %s\n", FnFilter1(pathcomp))); G.rootlen = 0; /* path didn't exist, tried to create, and failed: */ /* file exists, or 2+ subdir levels required */ return MPN_ERR_SKIP; } } if ((G.rootpath = (char *)malloc(G.rootlen+2)) == NULL) { G.rootlen = 0; return MPN_NOMEM; } strcpy(G.rootpath, pathcomp); if (G.rootpath[G.rootlen-1] != ':' && G.rootpath[G.rootlen-1] != '/') G.rootpath[G.rootlen++] = '/'; G.rootpath[G.rootlen] = '\0'; Trace((stderr, "rootpath now = [%s]\n", FnFilter1(G.rootpath))); } return MPN_OK; } #endif /* !SFX || SFX_EXDIR */ /*--------------------------------------------------------------------------- END: free G.rootpath, immediately prior to program exit. ---------------------------------------------------------------------------*/ if (FUNCTION == END) { Trace((stderr, "freeing rootpath\n")); if (G.rootlen > 0) { free(G.rootpath); G.rootlen = 0; } return MPN_OK; } return MPN_INVALID; /* should never reach */ } /* end function checkdir() */ /**************************************/ /* Function close_outfile() */ /**************************************/ /* this part differs slightly with Zip */ /*-------------------------------------*/ void close_outfile(__G) __GDEF { time_t m_time; #ifdef USE_EF_UT_TIME iztimes z_utime; #endif LONG FileDate(); if (uO.cflag) /* can't set time or filenote on stdout */ return; /* close the file *before* setting its time under AmigaDOS */ fclose(G.outfile); /* skip restoring time stamps on user's request */ if (uO.D_flag <= 1) { #ifdef USE_EF_UT_TIME if (G.extra_field && #ifdef IZ_CHECK_TZ G.tz_is_valid && #endif (ef_scan_for_izux(G.extra_field, G.lrec.extra_field_length, 0, G.lrec.last_mod_dos_datetime, &z_utime, NULL) & EB_UT_FL_MTIME)) { TTrace((stderr, "close_outfile: Unix e.f. modif. time = %ld\n", z_utime.mtime)); m_time = z_utime.mtime; } else { /* Convert DOS time to time_t format */ m_time = dos_to_unix_time(G.lrec.last_mod_dos_datetime); } #else /* !USE_EF_UT_TIME */ /* Convert DOS time to time_t format */ m_time = dos_to_unix_time(G.lrec.last_mod_dos_datetime); #endif /* ?USE_EF_UT_TIME */ #ifdef DEBUG Info(slide, 1, ((char *)slide, "\nclose_outfile(): m_time=%s\n", ctime(&m_time))); #endif if (!FileDate(G.filename, &m_time)) Info(slide, 1, ((char *)slide, "warning: cannot set the time for %s\n", G.filename)); } /* set file perms after closing (not done at creation)--see mapattr() */ chmod(G.filename, G.pInfo->file_attr); /* give it a filenote from the zipfile comment, if appropriate */ if (uO.N_flag && G.filenotes[G.filenote_slot]) { SetComment(G.filename, G.filenotes[G.filenote_slot]); free(G.filenotes[G.filenote_slot]); G.filenotes[G.filenote_slot] = NULL; } } /* end function close_outfile() */ #ifdef TIMESTAMP /*************************/ /* Function stamp_file() */ /*************************/ int stamp_file(fname, modtime) ZCONST char *fname; time_t modtime; { time_t m_time; LONG FileDate(); m_time = modtime; return (FileDate((char *)fname, &m_time)); } /* end function stamp_file() */ #endif /* TIMESTAMP */ #ifndef __SASC /********************************************************************/ /* Load filedate as a separate external file; it's used by Zip, too.*/ /* */ # include "amiga/filedate.c" /* */ /* */ /********************************************************************/ /********************* do linewise with stat.c **********************/ # include "amiga/stat.c" /* this is the exact same stat.c used by Zip */ #endif /* !__SASC */ /* SAS/C makes separate object modules of these; there is less */ /* trouble that way when redefining standard library functions. */ #include void _abort(void) /* called when ^C is pressed */ { /* echon(); */ close_leftover_open_dirs(); fflush(stdout); fputs("\n^C\n", stderr); exit(1); } /************************************************************/ /* function screensize() -- uses sendpkt() from filedate.c: */ /************************************************************/ #include #include #include #include extern long sendpkt(struct MsgPort *pid, long action, long *args, long nargs); int screensize(int *ttrows, int *ttcols) { BPTR fh = Output(); if (fh && IsInteractive(fh)) { struct ConUnit *conunit = NULL; void *conp = ((struct FileHandle *) (fh << 2))->fh_Type; struct InfoData *ind = AllocMem(sizeof(*ind), MEMF_PUBLIC); long argp = ((unsigned long) ind) >> 2; if (ind && conp && sendpkt(conp, ACTION_DISK_INFO, &argp, 1)) conunit = (void *) ((struct IOStdReq *) ind->id_InUse)->io_Unit; if (ind) FreeMem(ind, sizeof(*ind)); if (conunit) { if (ttrows) *ttrows = conunit->cu_YMax + 1; if (ttcols) *ttcols = conunit->cu_XMax + 1; return 0; /* success */ } } if (ttrows) *ttrows = INT_MAX; if (ttcols) *ttcols = INT_MAX; return 1; /* failure */ } #ifdef AMIGA_VOLUME_LABELS /* This function is for if we someday implement -$ on the Amiga. */ # include # include # include BOOL is_floppy(ZCONST char *path) { BOOL okay = FALSE; char devname[32], *debna; ushort i; BPTR lok = Lock((char *)path, ACCESS_READ), pok; struct FileSysStartupMsg *fart; struct DeviceNode *debb, devlist = (void *) BADDR((struct DosInfo *) BADDR(DOSBase->dl_Root->rn_Info)->di_DevInfo); if (!lok) return FALSE; /* should not happen */ if (pok = ParentDir((char *)path)) { UnLock(lok); UnLock(pok); return FALSE; /* it's not a root directory path */ } Forbid(); for (debb = devlist; debb; debb = BADDR(debb->dn_Next)) if (debb->dn_Type == DLT_DEVICE && (debb->dn_Task == lick->fl_Task)) if (fart = BADDR(debb->dn_Startup)) { debna = (char *) BADDR(fart->fssm_Device) + 1; if ((i = debna[-1]) > 31) i = 30; strncpy(devname, debna, i); devname[i] = 0; okay = !strcmp(devname, "trackdisk.device") || !strcmp(devname, "mfm.device") || !strcmp(devname, "messydisk.device"); break; /* We only support obvious floppy drives, not tricky */ } /* things like removable cartrige hard drives, or */ Permit(); /* any unusual kind of floppy device driver. */ return okay; } #endif /* AMIGA_VOLUME_LABELS */ #ifndef SFX # if 0 /* As far as I can tell, all the locales AmigaDOS 2.1 knows about all */ /* happen to use DF_MDY ordering, so there's no point in using this. */ /*************************/ /* Function dateformat() */ /*************************/ #include #ifdef AZTEC_C # include #endif int dateformat() { /*--------------------------------------------------------------------------- For those operating systems which support it, this function returns a value which tells how national convention says that numeric dates are displayed. Return values are DF_YMD, DF_DMY and DF_MDY (the meanings should be fairly obvious). ---------------------------------------------------------------------------*/ struct Library *LocaleBase; struct Locale *ll; int result = DF_MDY; /* the default */ if ((LocaleBase = OpenLibrary("locale.library", 0))) { if (ll = OpenLocale(NULL)) { uch *f = ll->loc_ShortDateFormat; /* In this string, %y|%Y is year, %b|%B|%h|%m is month, */ /* %d|%e is day day, and %D|%x is short for mo/da/yr. */ if (!strstr(f, "%D") && !strstr(f, "%x")) { uch *da, *mo, *yr; if (!(mo = strstr(f, "%b")) && !(mo = strstr(f, "%B")) && !(mo = strstr(f, "%h"))) mo = strstr(f, "%m"); if (!(da = strstr(f, "%d"))) da = strstr(f, "%e"); if (!(yr = strstr(f, "%y"))) yr = strstr(f, "%Y"); if (yr && yr < mo) result = DF_YMD; else if (da && da < mo) result = DF_DMY; } CloseLocale(ll); } CloseLibrary(LocaleBase); } return result; } # endif /* 0 */ /************************/ /* Function version() */ /************************/ /* NOTE: the following include depends upon the environment * variable $Workbench to be set correctly. (Set by * default, by kickstart during startup) */ int WBversion = (int) #include "ENV:Workbench" ; void version(__G) __GDEF { /* Define buffers. */ char buf1[16]; /* compiler name */ char buf2[16]; /* revstamp */ char buf3[16]; /* OS */ char buf4[16]; /* Date */ /* char buf5[16]; /* Time */ /* format "with" name strings */ #ifdef AMIGA # ifdef __SASC strcpy(buf1,"SAS/C "); # else # ifdef LATTICE strcpy(buf1,"Lattice C "); # else # ifdef AZTEC_C strcpy(buf1,"Manx Aztec C "); # else strcpy(buf1,"UNKNOWN "); # endif # endif # endif /* "under" */ sprintf(buf3,"AmigaDOS v%d",WBversion); #else strcpy(buf1,"Unknown compiler "); strcpy(buf3,"Unknown OS"); #endif /* Define revision, date, and time strings. * NOTE: Do not calculate run time, be sure to use time compiled. * Pass these strings via your makefile if undefined. */ #if defined(__VERSION__) && defined(__REVISION__) sprintf(buf2,"version %d.%d",__VERSION__,__REVISION__); #else # ifdef __VERSION__ sprintf(buf2,"version %d",__VERSION__); # else sprintf(buf2,"unknown version"); # endif #endif #ifdef __DATE__ sprintf(buf4," on %s",__DATE__); #else strcpy(buf4," unknown date"); #endif /****** #ifdef __TIME__ sprintf(buf5," at %s",__TIME__); #else strcpy(buf5," unknown time"); #endif ******/ /* Print strings using "CompiledWith" mask defined in unzip.c (used by all). * ("Compiled with %s%s for %s%s%s%s.") */ printf(LoadFarString(CompiledWith), buf1, buf2, buf3, buf4, "", /* buf5 not used */ "" ); /* buf6 not used */ } /* end function version() */ #endif /* !SFX */