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Use g_file_set_contents() to write files to disk in utils_write_file() for better error checking and to avoid corruption of config files when there is no more free disk space.

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This is not used for saving documents (part of Debian bug #503391).

git-svn-id: https://geany.svn.sourceforge.net/svnroot/geany/trunk@3507 ea778897-0a13-0410-b9d1-a72fbfd435f5
This commit is contained in:
Enrico Tröger 2009-01-24 19:39:10 +00:00
parent f0a1081c38
commit ba97eb158c
2 changed files with 17 additions and 27 deletions
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5
ChangeLog
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@ -6,6 +6,11 @@
Reset the file status when saving a file failed.
Disable GIO based file monitoring for now since it doesn't work yet
as stable as it should. Define USE_GIO_FILEMON to use.
* src/utils.c:
Use g_file_set_contents() to write files to disk in
utils_write_file() for better error checking and to avoid corruption
of config files when there is no more free disk space.
This is not used for saving documents (part of Debian bug #503391).
2009-01-22 Enrico Tröger <enrico(dot)troeger(at)uvena(dot)de>

39
src/utils.c
View File

@ -201,7 +201,10 @@ gboolean utils_is_opening_brace(gchar c, gboolean include_angles)
/**
* Write the given @c text into a file with @c filename.
* If the file doesn't exist, it will be created.
* If it already exists, it will be overwritten.
* If it already exists, it will be overwritten. Internally, g_file_set_contents() is used
* to write the file with all its error checking and related limitations like
* destroying hard links and possibly losing file permissions. Please read the
* API documentation of g_file_set_contents() for details.
*
* @param filename The filename of the file to write, in locale encoding.
* @param text The text to write into the file.
@ -211,34 +214,16 @@ gboolean utils_is_opening_brace(gchar c, gboolean include_angles)
**/
gint utils_write_file(const gchar *filename, const gchar *text)
{
FILE *fp;
gint bytes_written, len;
GError *error = NULL;
if (filename == NULL)
g_return_val_if_fail(filename != NULL, ENOENT);
g_return_val_if_fail(text != NULL, EINVAL);
if (! g_file_set_contents(filename, text, -1, &error))
{
return ENOENT;
}
len = strlen(text);
fp = g_fopen(filename, "w");
if (fp != NULL)
{
bytes_written = fwrite(text, sizeof (gchar), len, fp);
fclose(fp);
if (len != bytes_written)
{
geany_debug("utils_write_file(): written only %d bytes, had to write %d bytes to %s",
bytes_written, len, filename);
return EIO;
}
}
else
{
geany_debug("utils_write_file(): could not write to file %s (%s)",
filename, g_strerror(errno));
return errno;
geany_debug("%s: could not write to file %s (%s)", G_STRFUNC, filename, error->message);
g_error_free(error);
return EIO;
}
return 0;
}