-/* Copyright (C) 1995,1996,1997,1998,1999,2000,2001, 2002, 2003, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 1995,1996,1997,1998,1999,2000,2001, 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "libguile/feature.h"
#include "libguile/strings.h"
#include "libguile/srfi-13.h"
+#include "libguile/srfi-14.h"
#include "libguile/vectors.h"
#include "libguile/lang.h"
#include "libguile/validate.h"
#include "libguile/posix.h"
-#include "libguile/i18n.h"
+#include "libguile/gettext.h"
+#include "libguile/threads.h"
\f
#ifdef HAVE_STRING_H
#include <locale.h>
#endif
+#if (defined HAVE_NEWLOCALE) && (defined HAVE_STRCOLL_L)
+# define USE_GNU_LOCALE_API
+#endif
+
#if HAVE_CRYPT_H
# include <crypt.h>
#endif
#define F_OK 0
#endif
+/* No prototype for this on Solaris 10. The man page says it's in
+ <unistd.h> ... but it lies. */
+#if ! HAVE_DECL_SETHOSTNAME
+int sethostname (char *name, size_t namelen);
+#endif
+
/* On NextStep, <utime.h> doesn't define struct utime, unless we
#define _POSIX_SOURCE before #including it. I think this is less
of a kludge than defining struct utimbuf ourselves. */
return SCM_BOOL_F;
fd = SCM_FPORT_FDES (port);
- scm_mutex_lock (&scm_i_misc_mutex);
+ scm_i_scm_pthread_mutex_lock (&scm_i_misc_mutex);
SCM_SYSCALL (result = ttyname (fd));
err = errno;
ret = scm_from_locale_string (result);
- scm_mutex_unlock (&scm_i_misc_mutex);
+ scm_i_pthread_mutex_unlock (&scm_i_misc_mutex);
if (!result)
{
char *exec_file;
char **exec_argv;
- scm_frame_begin (0);
+ scm_dynwind_begin (0);
exec_file = scm_to_locale_string (filename);
- scm_frame_free (exec_file);
+ scm_dynwind_free (exec_file);
exec_argv = scm_i_allocate_string_pointers (args);
- scm_frame_unwind_handler (free_string_pointers, exec_argv,
+ scm_dynwind_unwind_handler (free_string_pointers, exec_argv,
SCM_F_WIND_EXPLICITLY);
- execv (exec_file, exec_argv);
+ execv (exec_file,
+#ifdef __MINGW32__
+ /* extra "const" in mingw formals, provokes warning from gcc */
+ (const char * const *)
+#endif
+ exec_argv);
SCM_SYSERROR;
/* not reached. */
- scm_frame_end ();
+ scm_dynwind_end ();
return SCM_BOOL_F;
}
#undef FUNC_NAME
char *exec_file;
char **exec_argv;
- scm_frame_begin (0);
+ scm_dynwind_begin (0);
exec_file = scm_to_locale_string (filename);
- scm_frame_free (exec_file);
+ scm_dynwind_free (exec_file);
exec_argv = scm_i_allocate_string_pointers (args);
- scm_frame_unwind_handler (free_string_pointers, exec_argv,
+ scm_dynwind_unwind_handler (free_string_pointers, exec_argv,
SCM_F_WIND_EXPLICITLY);
- execvp (exec_file, exec_argv);
+ execvp (exec_file,
+#ifdef __MINGW32__
+ /* extra "const" in mingw formals, provokes warning from gcc */
+ (const char * const *)
+#endif
+ exec_argv);
SCM_SYSERROR;
/* not reached. */
- scm_frame_end ();
+ scm_dynwind_end ();
return SCM_BOOL_F;
}
#undef FUNC_NAME
char **exec_env;
char *exec_file;
- scm_frame_begin (0);
+ scm_dynwind_begin (0);
exec_file = scm_to_locale_string (filename);
- scm_frame_free (exec_file);
+ scm_dynwind_free (exec_file);
exec_argv = scm_i_allocate_string_pointers (args);
- scm_frame_unwind_handler (free_string_pointers, exec_argv,
+ scm_dynwind_unwind_handler (free_string_pointers, exec_argv,
SCM_F_WIND_EXPLICITLY);
exec_env = scm_i_allocate_string_pointers (env);
- scm_frame_unwind_handler (free_string_pointers, exec_env,
+ scm_dynwind_unwind_handler (free_string_pointers, exec_env,
SCM_F_WIND_EXPLICITLY);
- execve (exec_file, exec_argv, exec_env);
+ execve (exec_file,
+#ifdef __MINGW32__
+ /* extra "const" in mingw formals, provokes warning from gcc */
+ (const char * const *)
+#endif
+ exec_argv,
+#ifdef __MINGW32__
+ /* extra "const" in mingw formals, provokes warning from gcc */
+ (const char * const *)
+#endif
+ exec_env);
SCM_SYSERROR;
/* not reached. */
- scm_frame_end ();
+ scm_dynwind_end ();
return SCM_BOOL_F;
}
#undef FUNC_NAME
SCM_DEFINE (scm_mkstemp, "mkstemp!", 1, 0, 0,
(SCM tmpl),
- "Create a new unique file in the file system and returns a new\n"
+ "Create a new unique file in the file system and return a new\n"
"buffered port open for reading and writing to the file.\n"
"\n"
"@var{tmpl} is a string specifying where the file should be\n"
- "created: it must end with @samp{XXXXXX} and will be changed in\n"
- "place to return the name of the temporary file.\n"
+ "created: it must end with @samp{XXXXXX} and those @samp{X}s\n"
+ "will be changed in the string to return the name of the file.\n"
+ "(@code{port-filename} on the port also gives the name.)\n"
"\n"
- "The file is created with mode @code{0600}, which means read and\n"
- "write for the owner only. @code{chmod} can be used to change\n"
- "this.")
+ "POSIX doesn't specify the permissions mode of the file, on GNU\n"
+ "and most systems it's @code{#o600}. An application can use\n"
+ "@code{chmod} to relax that if desired. For example\n"
+ "@code{#o666} less @code{umask}, which is usual for ordinary\n"
+ "file creation,\n"
+ "\n"
+ "@example\n"
+ "(let ((port (mkstemp! (string-copy \"/tmp/myfile-XXXXXX\"))))\n"
+ " (chmod port (logand #o666 (lognot (umask))))\n"
+ " ...)\n"
+ "@end example")
#define FUNC_NAME s_scm_mkstemp
{
char *c_tmpl;
int rv;
- scm_frame_begin (0);
+ scm_dynwind_begin (0);
c_tmpl = scm_to_locale_string (tmpl);
- scm_frame_free (c_tmpl);
+ scm_dynwind_free (c_tmpl);
SCM_SYSCALL (rv = mkstemp (c_tmpl));
if (rv == -1)
SCM_INUM0, scm_string_length (tmpl),
tmpl, SCM_INUM0);
- scm_frame_end ();
+ scm_dynwind_end ();
return scm_fdes_to_port (rv, "w+", tmpl);
}
#undef FUNC_NAME
}
#undef FUNC_NAME
+#ifndef USE_GNU_LOCALE_API
+/* This mutex is used to serialize invocations of `setlocale ()' on non-GNU
+ systems (i.e., systems where a reentrant locale API is not available).
+ See `i18n.c' for details. */
+scm_i_pthread_mutex_t scm_i_locale_mutex;
+#endif
+
#ifdef HAVE_SETLOCALE
+
SCM_DEFINE (scm_setlocale, "setlocale", 1, 1, 0,
(SCM category, SCM locale),
"If @var{locale} is omitted, return the current value of the\n"
char *clocale;
char *rv;
- scm_frame_begin (0);
+ scm_dynwind_begin (0);
if (SCM_UNBNDP (locale))
{
else
{
clocale = scm_to_locale_string (locale);
- scm_frame_free (clocale);
+ scm_dynwind_free (clocale);
}
+#ifndef USE_GNU_LOCALE_API
+ scm_i_pthread_mutex_lock (&scm_i_locale_mutex);
+#endif
rv = setlocale (scm_i_to_lc_category (category, 1), clocale);
+#ifndef USE_GNU_LOCALE_API
+ scm_i_pthread_mutex_unlock (&scm_i_locale_mutex);
+#endif
+
if (rv == NULL)
- SCM_SYSERROR;
+ {
+ /* POSIX and C99 don't say anything about setlocale setting errno, so
+ force a sensible value here. glibc leaves ENOENT, which would be
+ fine, but it's not a documented feature. */
+ errno = EINVAL;
+ SCM_SYSERROR;
+ }
+
+ /* Recompute the standard SRFI-14 character sets in a locale-dependent
+ (actually charset-dependent) way. */
+ scm_srfi_14_compute_char_sets ();
- scm_frame_end ();
+ scm_dynwind_end ();
return scm_from_locale_string (rv);
}
#undef FUNC_NAME
ctype = S_IFREG;
else if (strcmp (p, "directory") == 0)
ctype = S_IFDIR;
+#ifdef S_IFLNK
+ /* systems without symlinks probably don't have S_IFLNK defined */
else if (strcmp (p, "symlink") == 0)
ctype = S_IFLNK;
+#endif
else if (strcmp (p, "block-special") == 0)
ctype = S_IFBLK;
else if (strcmp (p, "char-special") == 0)
SCM ret;
char *c_key, *c_salt;
- scm_frame_begin (0);
- scm_frame_unwind_handler ((void(*)(void*)) scm_mutex_unlock,
- &scm_i_misc_mutex,
- SCM_F_WIND_EXPLICITLY);
- scm_mutex_lock (&scm_i_misc_mutex);
+ scm_dynwind_begin (0);
+ scm_i_dynwind_pthread_mutex_lock (&scm_i_misc_mutex);
c_key = scm_to_locale_string (key);
- scm_frame_free (c_key);
+ scm_dynwind_free (c_key);
c_salt = scm_to_locale_string (salt);
- scm_frame_free (c_key);
+ scm_dynwind_free (c_salt);
ret = scm_from_locale_string (crypt (c_key, c_salt));
- scm_frame_end ();
+ scm_dynwind_end ();
return ret;
}
#undef FUNC_NAME
(SCM file, SCM operation),
"Apply or remove an advisory lock on an open file.\n"
"@var{operation} specifies the action to be done:\n"
- "@table @code\n"
- "@item LOCK_SH\n"
+ "\n"
+ "@defvar LOCK_SH\n"
"Shared lock. More than one process may hold a shared lock\n"
"for a given file at a given time.\n"
- "@item LOCK_EX\n"
+ "@end defvar\n"
+ "@defvar LOCK_EX\n"
"Exclusive lock. Only one process may hold an exclusive lock\n"
"for a given file at a given time.\n"
- "@item LOCK_UN\n"
+ "@end defvar\n"
+ "@defvar LOCK_UN\n"
"Unlock the file.\n"
- "@item LOCK_NB\n"
- "Don't block when locking. May be specified by bitwise OR'ing\n"
- "it to one of the other operations.\n"
- "@end table\n"
+ "@end defvar\n"
+ "@defvar LOCK_NB\n"
+ "Don't block when locking. This is combined with one of the\n"
+ "other operations using @code{logior}. If @code{flock} would\n"
+ "block an @code{EWOULDBLOCK} error is thrown.\n"
+ "@end defvar\n"
+ "\n"
"The return value is not specified. @var{file} may be an open\n"
- "file descriptor or an open file descriptor port.")
+ "file descriptor or an open file descriptor port.\n"
+ "\n"
+ "Note that @code{flock} does not lock files across NFS.")
#define FUNC_NAME s_scm_flock
{
int fdes;
char *const p = scm_malloc (len);
const int res = gethostname (p, len);
- scm_frame_begin (0);
- scm_frame_unwind_handler (free, p, 0);
+ scm_dynwind_begin (0);
+ scm_dynwind_unwind_handler (free, p, 0);
#else
p = scm_malloc (len);
- scm_frame_begin (0);
- scm_frame_unwind_handler (free, p, 0);
+ scm_dynwind_begin (0);
+ scm_dynwind_unwind_handler (free, p, 0);
res = gethostname (p, len);
while (res == -1 && errno == ENAMETOOLONG)
{
const int save_errno = errno;
- // No guile exceptions can occur before we have freed p's memory.
- scm_frame_end ();
+ /* No guile exceptions can occur before we have freed p's memory. */
+ scm_dynwind_end ();
free (p);
errno = save_errno;
/* scm_from_locale_string may throw an exception. */
const SCM name = scm_from_locale_string (p);
- // No guile exceptions can occur before we have freed p's memory.
- scm_frame_end ();
+ /* No guile exceptions can occur before we have freed p's memory. */
+ scm_dynwind_end ();
free (p);
return name;
#endif /* HAVE_GETHOSTNAME */
-void
+void
scm_init_posix ()
{
+#ifndef USE_GNU_LOCALE_API
+ scm_i_pthread_mutex_init (&scm_i_locale_mutex, NULL);
+#endif
+
scm_add_feature ("posix");
#ifdef HAVE_GETEUID
scm_add_feature ("EIDs");
HCoop / bpt / guile.git / blobdiff