mirror of https://github.com/python/cpython
Added mkfifo, ftruncate. Windows/PC changes.
This commit is contained in:
Guido van Rossum
parent
dd96ca77da
commit
a4916fa54f
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@ -24,14 +24,14 @@ OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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/* POSIX module implementation */
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/* This file is also used for Windows NT. In that case the module
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/* This file is also used for Windows NT and MS-Win. In that case the module
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actually calls itself 'nt', not 'posix', and a few functions are
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either unimplemented or implemented differently. The source
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assumes that for Windows NT, the macro 'NT' is defined independent
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of the compiler used. Different compilers define their own feature
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test macro, e.g. '__BORLANDC__' or '_MSCVER'. */
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test macro, e.g. '__BORLANDC__' or '_MSC_VER'. */
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/* For MS-DOS and Windows 3.x, use ../Dos/dosmodule.c */
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/* See also ../Dos/dosmodule.c */
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#include "allobjects.h"
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#include "modsupport.h"
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@ -51,26 +51,61 @@ OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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#include <fcntl.h>
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#endif /* HAVE_FCNTL_H */
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#ifndef NT
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#define HAVE_FORK 1
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/* Various compilers have only certain posix functions */
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#ifdef __WATCOMC__ /* Watcom compiler */
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#define HAVE_GETCWD 1
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#define HAVE_OPENDIR 1
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#define HAVE_SYSTEM 1
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#if defined(__OS2__)
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#define HAVE_EXECV 1
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#define HAVE_WAIT 1
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#endif
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#if !defined(NT) || defined(__BORLANDC__)
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/* Unix functions that the configure script doesn't check for
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and that aren't easily available under NT except with Borland C */
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#include <process.h>
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#else
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#ifdef __BORLANDC__ /* Borland compiler */
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#define HAVE_EXECV 1
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#define HAVE_GETCWD 1
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#define HAVE_GETEGID 1
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#define HAVE_GETEUID 1
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#define HAVE_GETGID 1
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#define HAVE_GETPPID 1
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#define HAVE_GETUID 1
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#define HAVE_KILL 1
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#define HAVE_WAIT 1
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#define HAVE_OPENDIR 1
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#define HAVE_PIPE 1
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#define HAVE_POPEN 1
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#define HAVE_SYSTEM 1
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#define HAVE_WAIT 1
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#else
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#ifdef _MSC_VER /* Microsoft compiler */
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#ifdef NT
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#define HAVE_EXECV 1
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#define HAVE_PIPE 1
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#define HAVE_POPEN 1
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#define HAVE_SYSTEM 1
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#else /* 16-bit Windows */
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#endif /* NT */
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#else /* all other compilers */
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/* Unix functions that the configure script doesn't check for */
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#define HAVE_EXECV 1
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#define HAVE_FORK 1
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#define HAVE_GETCWD 1
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#endif
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#define HAVE_GETEGID 1
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#define HAVE_GETEUID 1
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#define HAVE_GETGID 1
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#define HAVE_GETPPID 1
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#define HAVE_GETUID 1
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#define HAVE_KILL 1
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#define HAVE_OPENDIR 1
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#define HAVE_PIPE 1
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#define HAVE_POPEN 1
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#define HAVE_SYSTEM 1
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#define HAVE_WAIT 1
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#endif /* _MSC_VER */
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#endif /* __BORLANDC__ */
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#endif /* ! __WATCOMC__ */
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#ifndef NT
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#ifndef _MSC_VER
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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@ -90,7 +125,11 @@ extern int pclose();
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extern int lstat();
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extern int symlink();
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#else /* !HAVE_UNISTD_H */
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#if defined(__WATCOMC__)
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extern int mkdir PROTO((const char *));
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#else
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extern int mkdir PROTO((const char *, mode_t));
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#endif
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extern int chdir PROTO((const char *));
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extern int rmdir PROTO((const char *));
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extern int chmod PROTO((const char *, mode_t));
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@ -110,7 +149,7 @@ extern int lstat PROTO((const char *, struct stat *));
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#endif /* HAVE_LSTAT */
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#endif /* !HAVE_UNISTD_H */
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#endif /* !NT */
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#endif /* !_MSC_VER */
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#ifdef HAVE_UTIME_H
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#include <utime.h>
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@ -141,8 +180,13 @@ extern int lstat PROTO((const char *, struct stat *));
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#include <dirent.h>
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#define NAMLEN(dirent) strlen((dirent)->d_name)
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#else
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#ifdef __WATCOMC__
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#include <direct.h>
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#define NAMLEN(dirent) strlen((dirent)->d_name)
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#else
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#define dirent direct
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#define NAMLEN(dirent) (dirent)->d_namlen
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#endif
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#ifdef HAVE_SYS_NDIR_H
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#include <sys/ndir.h>
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#endif
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@ -154,14 +198,19 @@ extern int lstat PROTO((const char *, struct stat *));
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#endif
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#endif
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#ifdef NT
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#ifdef _MSC_VER
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#include <direct.h>
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#include <io.h>
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#include <process.h>
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#include <windows.h>
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#ifdef NT
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#define popen _popen
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#define pclose _pclose
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#else /* 16-bit Windows */
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#include <dos.h>
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#include <ctype.h>
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#endif /* NT */
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#endif /* _MSC_VER */
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#ifdef OS2
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#include <io.h>
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@ -169,9 +218,9 @@ extern int lstat PROTO((const char *, struct stat *));
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/* Return a dictionary corresponding to the POSIX environment table */
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#ifndef NT
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#if !defined(_MSC_VER) && !defined(__WATCOMC__)
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extern char **environ;
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#endif /* !NT */
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#endif /* !_MSC_VER */
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static object *
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convertenviron()
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@ -436,6 +485,67 @@ posix_listdir(self, args)
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return d;
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#else /* !NT */
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#ifdef _MSC_VER /* 16-bit Windows */
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#ifndef MAX_PATH
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#define MAX_PATH 250
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#endif
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char *name, *pt;
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int len;
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object *d, *v;
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char namebuf[MAX_PATH+5];
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struct _find_t ep;
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if (!getargs(args, "s#", &name, &len))
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return NULL;
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if (len >= MAX_PATH) {
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err_setstr(ValueError, "path too long");
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return NULL;
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}
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strcpy(namebuf, name);
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for (pt = namebuf; *pt; pt++)
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if (*pt == '/')
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*pt = '\\';
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if (namebuf[len-1] != '\\')
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namebuf[len++] = '\\';
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strcpy(namebuf + len, "*.*");
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if ((d = newlistobject(0)) == NULL)
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return NULL;
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if (_dos_findfirst(namebuf, _A_RDONLY |
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_A_HIDDEN | _A_SYSTEM | _A_SUBDIR, &ep) != 0){
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errno = ENOENT;
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return posix_error();
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}
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do {
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if (ep.name[0] == '.' &&
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(ep.name[1] == '\0' ||
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ep.name[1] == '.' &&
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ep.name[2] == '\0'))
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continue;
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strcpy(namebuf, ep.name);
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for (pt = namebuf; *pt; pt++)
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if (isupper(*pt))
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*pt = tolower(*pt);
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v = newstringobject(namebuf);
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if (v == NULL) {
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DECREF(d);
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d = NULL;
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break;
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}
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if (addlistitem(d, v) != 0) {
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DECREF(v);
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DECREF(d);
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d = NULL;
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break;
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}
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DECREF(v);
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} while (_dos_findnext(&ep) == 0);
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return d;
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#else
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char *name;
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object *d, *v;
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@ -477,6 +587,7 @@ posix_listdir(self, args)
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return d;
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#endif /* !_MSC_VER */
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#endif /* !NT */
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}
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@ -487,11 +598,15 @@ posix_mkdir(self, args)
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{
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int res;
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char *path;
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int mode = 0777; /* Unused */
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int mode = 0777;
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if (!newgetargs(args, "s|i", &path, &mode))
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return NULL;
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BGN_SAVE
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#if defined(__WATCOMC__)
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res = mkdir(path);
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#else
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res = mkdir(path, mode);
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#endif
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END_SAVE
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if (res < 0)
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return posix_error();
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@ -540,6 +655,7 @@ posix_stat(self, args)
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return posix_do_stat(self, args, stat);
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}
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#ifdef HAVE_SYSTEM
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static object *
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posix_system(self, args)
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object *self;
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@ -554,6 +670,7 @@ posix_system(self, args)
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END_SAVE
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return newintobject(sts);
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}
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#endif
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static object *
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posix_umask(self, args)
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@ -654,6 +771,7 @@ posix__exit(self, args)
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/* NOTREACHED */
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}
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#ifdef HAVE_EXECV
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static object *
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posix_execv(self, args)
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object *self;
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@ -801,6 +919,7 @@ posix_execve(self, args)
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return NULL;
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}
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#endif /* HAVE_EXECV */
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#ifdef HAVE_FORK
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static object *
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@ -940,6 +1059,7 @@ posix_kill(self, args)
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}
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#endif
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#ifdef HAVE_POPEN
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static object *
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posix_popen(self, args)
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object *self;
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@ -962,6 +1082,7 @@ posix_popen(self, args)
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setfilebufsize(f, bufsize);
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return f;
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}
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#endif /* HAVE_POPEN */
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#ifdef HAVE_SETUID
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static object *
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@ -1374,12 +1495,13 @@ posix_fdopen(self, args)
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return f;
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}
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#ifdef HAVE_PIPE
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static object *
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posix_pipe(self, args)
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object *self;
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object *args;
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{
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#if !defined(NT) || defined(HAVE_PIPE)
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#if !defined(NT)
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int fds[2];
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int res;
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if (!getargs(args, ""))
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@ -1403,6 +1525,53 @@ posix_pipe(self, args)
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return mkvalue("(ii)", read, write);
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#endif /* NT */
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}
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#endif /* HAVE_PIPE */
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#ifdef HAVE_MKFIFO
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static object *
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posix_mkfifo(self, args)
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object *self;
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object *args;
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{
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char *file;
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int mode = 0666;
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int res;
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if (!newgetargs(args, "s|i", &file, &mode))
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return NULL;
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BGN_SAVE
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res = mkfifo(file, mode);
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END_SAVE
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if (res < 0)
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return posix_error();
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INCREF(None);
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return None;
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}
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#endif
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#ifdef HAVE_FTRUNCATE
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static object *
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posix_ftruncate(self, args)
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object *self; /* Not used */
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object *args;
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{
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int fd;
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long length;
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int res;
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if (!getargs(args, "(il)", &fd, &length))
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return NULL;
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BGN_SAVE
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res = ftruncate(fd, length);
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END_SAVE
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if (res < 0) {
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err_errno(IOError);
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return NULL;
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}
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INCREF(None);
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return None;
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}
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#endif
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static struct methodlist posix_methods[] = {
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{"chdir", posix_chdir},
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@ -1431,7 +1600,9 @@ static struct methodlist posix_methods[] = {
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#ifdef HAVE_SYMLINK
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{"symlink", posix_symlink},
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#endif /* HAVE_SYMLINK */
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#ifdef HAVE_SYSTEM
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{"system", posix_system},
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#endif
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{"umask", posix_umask},
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#ifdef HAVE_UNAME
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{"uname", posix_uname},
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@ -1443,8 +1614,10 @@ static struct methodlist posix_methods[] = {
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{"times", posix_times},
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#endif /* HAVE_TIMES */
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{"_exit", posix__exit},
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#ifdef HAVE_EXECV
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{"execv", posix_execv},
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{"execve", posix_execve},
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#endif /* HAVE_EXECV */
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#ifdef HAVE_FORK
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{"fork", posix_fork},
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#endif /* HAVE_FORK */
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@ -1470,7 +1643,9 @@ static struct methodlist posix_methods[] = {
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#ifdef HAVE_KILL
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{"kill", posix_kill},
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#endif /* HAVE_KILL */
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#ifdef HAVE_POPEN
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{"popen", posix_popen, 1},
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#endif /* HAVE_POPEN */
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#ifdef HAVE_SETUID
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{"setuid", posix_setuid},
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#endif /* HAVE_SETUID */
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@ -1507,7 +1682,15 @@ static struct methodlist posix_methods[] = {
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{"write", posix_write},
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{"fstat", posix_fstat},
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{"fdopen", posix_fdopen, 1},
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#ifdef HAVE_PIPE
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{"pipe", posix_pipe},
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#endif
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#ifdef HAVE_MKFIFO
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{"mkfifo", posix_mkfifo, 1},
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#endif
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#ifdef HAVE_FTRUNCATE
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{"ftruncate", posix_ftruncate, 1},
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#endif
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{NULL, NULL} /* Sentinel */
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};
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@ -1532,7 +1715,7 @@ initnt()
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if (PosixError == NULL || dictinsert(d, "error", PosixError) != 0)
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fatal("can't define nt.error");
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}
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#else /* !NT */
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#else /* !_MSC_VER */
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void
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initposix()
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{
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@ -1560,4 +1743,4 @@ initposix()
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if (PosixError == NULL || dictinsert(d, "error", PosixError) != 0)
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fatal("can't define posix.error");
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}
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#endif /* !NT */
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#endif /* !_MSC_VER */
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