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- /***********************************************************
- Copyright 1991, 1992, 1993, 1994 by Stichting Mathematisch Centrum,
- Amsterdam, The Netherlands.
-
- All Rights Reserved
-
- Permission to use, copy, modify, and distribute this software and its
- documentation for any purpose and without fee is hereby granted,
- provided that the above copyright notice appear in all copies and that
- both that copyright notice and this permission notice appear in
- supporting documentation, and that the names of Stichting Mathematisch
- Centrum or CWI not be used in advertising or publicity pertaining to
- distribution of the software without specific, written prior permission.
-
- STICHTING MATHEMATISCH CENTRUM DISCLAIMS ALL WARRANTIES WITH REGARD TO
- THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
- FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH CENTRUM BE LIABLE
- FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
- OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
-
- ******************************************************************/
-
- /* Mac module implementation */
-
- #include "allobjects.h"
- #include "modsupport.h"
- #include "ceval.h"
-
- #include <stdio.h>
- #include <string.h>
- #include <errno.h>
-
- #ifdef THINK_C
- #include "unix.h"
- #undef S_IFMT
- #undef S_IFDIR
- #undef S_IFCHR
- #undef S_IFBLK
- #undef S_IFREG
- #undef S_ISDIR
- #undef S_ISREG
- #endif
-
- #include "macstat.h"
-
- #include <fcntl.h>
-
- #include "macdefs.h"
- #include "dirent.h"
-
- #ifndef MAXPATHLEN
- #define MAXPATHLEN 1024
- #endif
-
- /* Prototypes for Unix simulation on Mac */
-
- int chdir PROTO((const char *path));
- char *getbootvol PROTO((void));
- char *getwd PROTO((char *));
- int mkdir PROTO((const char *path, int mode));
- DIR * opendir PROTO((char *));
- void closedir PROTO((DIR *));
- struct dirent * readdir PROTO((DIR *));
- int rmdir PROTO((const char *path));
- int sync PROTO((void));
- #ifdef THINK_C
- int unlink PROTO((char *));
- #else
- int unlink PROTO((const char *));
- #endif
-
-
-
- static object *MacError; /* Exception mac.error */
-
- /* Set a MAC-specific error from errno, and return NULL */
-
- static object *
- mac_error()
- {
- return err_errno(MacError);
- }
-
- /* MAC generic methods */
-
- static object *
- mac_1str(args, func)
- object *args;
- int (*func) FPROTO((const char *));
- {
- char *path1;
- int res;
- if (!getargs(args, "s", &path1))
- return NULL;
- BGN_SAVE
- res = (*func)(path1);
- END_SAVE
- if (res < 0)
- return mac_error();
- INCREF(None);
- return None;
- }
-
- static object *
- mac_2str(args, func)
- object *args;
- int (*func) FPROTO((const char *, const char *));
- {
- char *path1, *path2;
- int res;
- if (!getargs(args, "(ss)", &path1, &path2))
- return NULL;
- BGN_SAVE
- res = (*func)(path1, path2);
- END_SAVE
- if (res < 0)
- return mac_error();
- INCREF(None);
- return None;
- }
-
- static object *
- mac_strint(args, func)
- object *args;
- int (*func) FPROTO((const char *, int));
- {
- char *path;
- int i;
- int res;
- if (!getargs(args, "(si)", &path, &i))
- return NULL;
- BGN_SAVE
- res = (*func)(path, i);
- END_SAVE
- if (res < 0)
- return mac_error();
- INCREF(None);
- return None;
- }
-
- static object *
- mac_chdir(self, args)
- object *self;
- object *args;
- {
- return mac_1str(args, chdir);
- }
-
- static object *
- mac_close(self, args)
- object *self;
- object *args;
- {
- int fd, res;
- if (!getargs(args, "i", &fd))
- return NULL;
- BGN_SAVE
- res = close(fd);
- END_SAVE
- if (res < 0)
- return mac_error();
- INCREF(None);
- return None;
- }
-
- #ifdef MPW
-
- static object *
- mac_dup(self, args)
- object *self;
- object *args;
- {
- int fd;
- if (!getargs(args, "i", &fd))
- return NULL;
- BGN_SAVE
- fd = dup(fd);
- END_SAVE
- if (fd < 0)
- return mac_error();
- return newintobject((long)fd);
- }
-
- #endif /* MPW */
-
- static object *
- mac_fdopen(self, args)
- object *self;
- object *args;
- {
- extern int fclose PROTO((FILE *));
- int fd;
- char *mode;
- FILE *fp;
- if (!getargs(args, "(is)", &fd, &mode))
- return NULL;
- BGN_SAVE
- fp = fdopen(fd, mode);
- END_SAVE
- if (fp == NULL)
- return mac_error();
- return newopenfileobject(fp, "(fdopen)", mode, fclose);
- }
-
- static object *
- mac_getbootvol(self, args)
- object *self;
- object *args;
- {
- char *res;
- if (!getnoarg(args))
- return NULL;
- BGN_SAVE
- res = getbootvol();
- END_SAVE
- if (res == NULL)
- return mac_error();
- return newstringobject(res);
- }
-
- static object *
- mac_getcwd(self, args)
- object *self;
- object *args;
- {
- char path[MAXPATHLEN];
- char *res;
- if (!getnoarg(args))
- return NULL;
- BGN_SAVE
- res = getwd(path);
- END_SAVE
- if (res == NULL) {
- err_setstr(MacError, path);
- return NULL;
- }
- return newstringobject(res);
- }
-
- static object *
- mac_listdir(self, args)
- object *self;
- object *args;
- {
- char *name;
- object *d, *v;
- DIR *dirp;
- struct dirent *ep;
- if (!getargs(args, "s", &name))
- return NULL;
- BGN_SAVE
- if ((dirp = opendir(name)) == NULL) {
- RET_SAVE
- return mac_error();
- }
- if ((d = newlistobject(0)) == NULL) {
- closedir(dirp);
- RET_SAVE
- return NULL;
- }
- while ((ep = readdir(dirp)) != NULL) {
- v = newstringobject(ep->d_name);
- if (v == NULL) {
- DECREF(d);
- d = NULL;
- break;
- }
- if (addlistitem(d, v) != 0) {
- DECREF(v);
- DECREF(d);
- d = NULL;
- break;
- }
- DECREF(v);
- }
- closedir(dirp);
- END_SAVE
-
- return d;
- }
-
- static object *
- mac_lseek(self, args)
- object *self;
- object *args;
- {
- int fd;
- int where;
- int how;
- long res;
- if (!getargs(args, "(iii)", &fd, &where, &how))
- return NULL;
- BGN_SAVE
- res = lseek(fd, (long)where, how);
- END_SAVE
- if (res < 0)
- return mac_error();
- return newintobject(res);
- }
-
- static object *
- mac_mkdir(self, args)
- object *self;
- object *args;
- {
- return mac_strint(args, mkdir);
- }
-
- static object *
- mac_open(self, args)
- object *self;
- object *args;
- {
- char *path;
- int mode;
- int fd;
- if (!getargs(args, "(si)", &path, &mode))
- return NULL;
- BGN_SAVE
- fd = open(path, mode);
- END_SAVE
- if (fd < 0)
- return mac_error();
- return newintobject((long)fd);
- }
-
- static object *
- mac_read(self, args)
- object *self;
- object *args;
- {
- int fd, size;
- object *buffer;
- if (!getargs(args, "(ii)", &fd, &size))
- return NULL;
- buffer = newsizedstringobject((char *)NULL, size);
- if (buffer == NULL)
- return NULL;
- BGN_SAVE
- size = read(fd, getstringvalue(buffer), size);
- END_SAVE
- if (size < 0) {
- DECREF(buffer);
- return mac_error();
- }
- resizestring(&buffer, size);
- return buffer;
- }
-
- static object *
- mac_rename(self, args)
- object *self;
- object *args;
- {
- return mac_2str(args, rename);
- }
-
- static object *
- mac_rmdir(self, args)
- object *self;
- object *args;
- {
- return mac_1str(args, rmdir);
- }
-
- static object *
- mac_stat(self, args)
- object *self;
- object *args;
- {
- struct macstat st;
- char *path;
- int res;
- if (!getargs(args, "s", &path))
- return NULL;
- BGN_SAVE
- res = macstat(path, &st);
- END_SAVE
- if (res != 0)
- return mac_error();
- return mkvalue("(llllllllll)",
- (long)st.st_mode,
- (long)st.st_ino,
- (long)st.st_dev,
- (long)st.st_nlink,
- (long)st.st_uid,
- (long)st.st_gid,
- (long)st.st_size,
- (long)st.st_atime,
- (long)st.st_mtime,
- (long)st.st_ctime);
- }
-
- static object *
- mac_sync(self, args)
- object *self;
- object *args;
- {
- int res;
- if (!getnoarg(args))
- return NULL;
- BGN_SAVE
- res = sync();
- END_SAVE
- if (res != 0)
- return mac_error();
- INCREF(None);
- return None;
- }
-
- static object *
- mac_unlink(self, args)
- object *self;
- object *args;
- {
- return mac_1str(args, (int (*)(const char *))unlink);
- }
-
- static object *
- mac_write(self, args)
- object *self;
- object *args;
- {
- int fd, size;
- char *buffer;
- if (!getargs(args, "(is#)", &fd, &buffer, &size))
- return NULL;
- BGN_SAVE
- size = write(fd, buffer, size);
- END_SAVE
- if (size < 0)
- return mac_error();
- return newintobject((long)size);
- }
-
- static struct methodlist mac_methods[] = {
- {"chdir", mac_chdir},
- {"close", mac_close},
- #ifdef MPW
- {"dup", mac_dup},
- #endif
- {"fdopen", mac_fdopen},
- {"getbootvol", mac_getbootvol}, /* non-standard */
- {"getcwd", mac_getcwd},
- {"listdir", mac_listdir},
- {"lseek", mac_lseek},
- {"mkdir", mac_mkdir},
- {"open", mac_open},
- {"read", mac_read},
- {"rename", mac_rename},
- {"rmdir", mac_rmdir},
- {"stat", mac_stat},
- {"sync", mac_sync},
- {"unlink", mac_unlink},
- {"write", mac_write},
-
- {NULL, NULL} /* Sentinel */
- };
-
-
- void
- initmac()
- {
- object *m, *d, *v;
-
- m = initmodule("mac", mac_methods);
- d = getmoduledict(m);
-
- /* Initialize mac.error exception */
- MacError = newstringobject("mac.error");
- if (MacError == NULL || dictinsert(d, "error", MacError) != 0)
- fatal("can't define mac.error");
- }
-