#include <errno.h>
#include <sys/types.h>
#include <sys/stat.h>
-#ifndef G_OS_WIN32
-#include <sys/wait.h>
-#endif
#include <fcntl.h>
#include <stdlib.h>
#include "galias.h"
+static gint create_temp_file (gchar *tmpl,
+ int permissions);
+
/**
* g_mkdir_with_parents:
* @pathname: a pathname in the GLib file name encoding
return TRUE;
}
-static gboolean
-set_umask_permissions (int fd,
- GError **err)
-{
-#ifdef G_OS_WIN32
-
- return TRUE;
-
-#else
- /* All of this function is just to work around the fact that
- * there is no way to get the umask without changing it.
- *
- * We can't just change-and-reset the umask because that would
- * lead to a race condition if another thread tried to change
- * the umask in between the getting and the setting of the umask.
- * So we have to do the whole thing in a child process.
- */
-
- int save_errno;
- pid_t pid;
-
- pid = fork ();
-
- if (pid == -1)
- {
- save_errno = errno;
- g_set_error (err,
- G_FILE_ERROR,
- g_file_error_from_errno (save_errno),
- _("Could not change file mode: fork() failed: %s"),
- g_strerror (save_errno));
-
- return FALSE;
- }
- else if (pid == 0)
- {
- /* child */
- mode_t mask = umask (0666);
-
- errno = 0;
- if (fchmod (fd, 0666 & ~mask) == -1)
- _exit (errno);
- else
- _exit (0);
-
- return TRUE; /* To quiet gcc */
- }
- else
- {
- /* parent */
- int status;
-
- errno = 0;
- if (waitpid (pid, &status, 0) == -1)
- {
- save_errno = errno;
-
- g_set_error (err,
- G_FILE_ERROR,
- g_file_error_from_errno (save_errno),
- _("Could not change file mode: waitpid() failed: %s"),
- g_strerror (save_errno));
-
- return FALSE;
- }
-
- if (WIFEXITED (status))
- {
- save_errno = WEXITSTATUS (status);
-
- if (save_errno == 0)
- {
- return TRUE;
- }
- else
- {
- g_set_error (err,
- G_FILE_ERROR,
- g_file_error_from_errno (save_errno),
- _("Could not change file mode: chmod() failed: %s"),
- g_strerror (save_errno));
-
- return FALSE;
- }
- }
- else if (WIFSIGNALED (status))
- {
- g_set_error (err,
- G_FILE_ERROR,
- G_FILE_ERROR_FAILED,
- _("Could not change file mode: Child terminated by signal: %s"),
- g_strsignal (WTERMSIG (status)));
-
- return FALSE;
- }
- else
- {
- /* This shouldn't happen */
- g_set_error (err,
- G_FILE_ERROR,
- G_FILE_ERROR_FAILED,
- _("Could not change file mode: Child terminated abnormally"));
- return FALSE;
- }
- }
-#endif
-}
-
static gchar *
write_to_temp_file (const gchar *contents,
gssize length,
tmp_name = g_strdup_printf ("%s.XXXXXX", template);
errno = 0;
- fd = g_mkstemp (tmp_name);
+ fd = create_temp_file (tmp_name, 0666);
display_name = g_filename_display_name (tmp_name);
if (fd == -1)
goto out;
}
- if (!set_umask_permissions (fd, err))
- {
- close (fd);
- g_unlink (tmp_name);
-
- goto out;
- }
-
errno = 0;
file = fdopen (fd, "wb");
if (!file)
}
/*
- * mkstemp() implementation is from the GNU C library.
+ * create_temp_file based on the mkstemp implementation from the GNU C library.
* Copyright (C) 1991,92,93,94,95,96,97,98,99 Free Software Foundation, Inc.
*/
-/**
- * g_mkstemp:
- * @tmpl: template filename
- *
- * Opens a temporary file. See the mkstemp() documentation
- * on most UNIX-like systems. This is a portability wrapper, which simply calls
- * mkstemp() on systems that have it, and implements
- * it in GLib otherwise.
- *
- * The parameter is a string that should match the rules for
- * mkstemp(), i.e. end in "XXXXXX". The X string will
- * be modified to form the name of a file that didn't exist.
- * The string should be in the GLib file name encoding. Most importantly,
- * on Windows it should be in UTF-8.
- *
- * Return value: A file handle (as from open()) to the file
- * opened for reading and writing. The file is opened in binary mode
- * on platforms where there is a difference. The file handle should be
- * closed with close(). In case of errors, -1 is returned.
- */
-gint
-g_mkstemp (gchar *tmpl)
+static gint
+create_temp_file (gchar *tmpl,
+ int permissions)
{
-#ifdef HAVE_MKSTEMP
- return mkstemp (tmpl);
-#else
int len;
char *XXXXXX;
int count, fd;
XXXXXX[5] = letters[v % NLETTERS];
/* tmpl is in UTF-8 on Windows, thus use g_open() */
- fd = g_open (tmpl, O_RDWR | O_CREAT | O_EXCL | O_BINARY, 0600);
+ fd = g_open (tmpl, O_RDWR | O_CREAT | O_EXCL | O_BINARY, permissions);
if (fd >= 0)
return fd;
/* We got out of the loop because we ran out of combinations to try. */
errno = EEXIST;
return -1;
+}
+
+/**
+ * g_mkstemp:
+ * @tmpl: template filename
+ *
+ * Opens a temporary file. See the mkstemp() documentation
+ * on most UNIX-like systems. This is a portability wrapper, which simply calls
+ * mkstemp() on systems that have it, and implements
+ * it in GLib otherwise.
+ *
+ * The parameter is a string that should match the rules for
+ * mkstemp(), i.e. end in "XXXXXX". The X string will
+ * be modified to form the name of a file that didn't exist.
+ * The string should be in the GLib file name encoding. Most importantly,
+ * on Windows it should be in UTF-8.
+ *
+ * Return value: A file handle (as from open()) to the file
+ * opened for reading and writing. The file is opened in binary mode
+ * on platforms where there is a difference. The file handle should be
+ * closed with close(). In case of errors, -1 is returned.
+ */
+gint
+g_mkstemp (gchar *tmpl)
+{
+#ifdef HAVE_MKSTEMP
+ return mkstemp (tmpl);
+#else
+ return create_temp_file (tmpl, 0600);
#endif
}
projects / platform / upstream / glib.git / commitdiff