27 #include "dbus-protocol.h"
28 #include "dbus-errors.h"
29 #include "dbus-file.h"
30 #include "dbus-internals.h"
31 #include "dbus-sysdeps.h"
32 #include "dbus-sysdeps-unix.h"
63 const char *filename_c;
65 _DBUS_ASSERT_ERROR_IS_CLEAR (error);
70 fd = open (filename_c, O_RDONLY | O_BINARY);
74 "Failed to open \"%s\": %s",
76 _dbus_strerror (errno));
80 _dbus_verbose (
"file fd %d opened\n", fd);
82 if (fstat (fd, &sb) < 0)
85 "Failed to stat \"%s\": %s",
87 _dbus_strerror (errno));
89 _dbus_verbose (
"fstat() failed: %s",
90 _dbus_strerror (errno));
97 if (sb.st_size > _DBUS_ONE_MEGABYTE)
100 "File size %lu of \"%s\" is too large.",
101 (
unsigned long) sb.st_size, filename_c);
108 if (sb.st_size > 0 && S_ISREG (sb.st_mode))
112 while (total < (
int) sb.st_size)
119 "Error reading \"%s\": %s",
121 _dbus_strerror (errno));
123 _dbus_verbose (
"read() failed: %s",
124 _dbus_strerror (errno));
137 else if (sb.st_size != 0)
139 _dbus_verbose (
"Can only open regular files at the moment.\n");
141 "\"%s\" is not a regular file",
171 const char *filename_c;
173 const char *tmp_filename_c;
178 _DBUS_ASSERT_ERROR_IS_CLEAR (error);
204 #define N_TMP_FILENAME_RANDOM_BYTES 8
215 fd = open (tmp_filename_c, O_WRONLY | O_BINARY | O_EXCL | O_CREAT,
216 world_readable ? 0644 : 0600);
220 "Could not create %s: %s", tmp_filename_c,
221 _dbus_strerror (errno));
230 if (fchmod (fd, 0644) < 0)
233 "Could not chmod %s: %s", tmp_filename_c,
234 _dbus_strerror (errno));
239 _dbus_verbose (
"tmp file fd %d opened\n", fd);
246 while (total < bytes_to_write)
251 bytes_to_write - total);
253 if (bytes_written <= 0)
256 "Could not write to %s: %s", tmp_filename_c,
257 _dbus_strerror (errno));
262 total += bytes_written;
268 "Could not synchronize file %s: %s",
269 tmp_filename_c, _dbus_strerror (errno));
277 "Could not close file %s: %s",
278 tmp_filename_c, _dbus_strerror (errno));
285 if (rename (tmp_filename_c, filename_c) < 0)
288 "Could not rename %s to %s: %s",
289 tmp_filename_c, filename_c,
290 _dbus_strerror (errno));
307 if (need_unlink && unlink (tmp_filename_c) < 0)
308 _dbus_verbose (
"Failed to unlink temp file %s: %s\n",
309 tmp_filename_c, _dbus_strerror (errno));
314 _DBUS_ASSERT_ERROR_IS_SET (error);
329 const char *filename_c;
331 _DBUS_ASSERT_ERROR_IS_CLEAR (error);
334 if (chmod (filename_c, 0644) == -1)
338 "Could not change permissions of file %s: %s\n",
340 _dbus_strerror (errno));
357 const char *filename_c;
359 _DBUS_ASSERT_ERROR_IS_CLEAR (error);
363 fd = open (filename_c, O_WRONLY | O_BINARY | O_EXCL | O_CREAT,
369 "Could not create file %s: %s\n",
371 _dbus_strerror (errno));
375 _dbus_verbose (
"exclusive file fd %d opened\n", fd);
381 "Could not close file %s: %s\n",
383 _dbus_strerror (errno));
402 const char *filename_c;
404 _DBUS_ASSERT_ERROR_IS_CLEAR (error);
408 if (unlink (filename_c) < 0)
411 "Failed to delete file %s: %s\n",
412 filename_c, _dbus_strerror (errno));