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win32: improve the package installation dir lookup

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As an example, the core of gedit is in a private library
placed in %INSTALLDIR%/lib/gedit/libgedit.dll

Before this patch we would get %INSTALLDIR%/lib/gedit as the
installation package dir, while what we actually want is to get
%INSTALLDIR%

https://bugzilla.gnome.org/show_bug.cgi?id=733934
This commit is contained in:
Ignacio Casal Quinteiro 2014-07-29 18:59:21 +02:00
parent 905a8e655c
commit 786590fe93
1 changed files with 27 additions and 6 deletions
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33
glib/gwin32.c
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@ -238,22 +238,43 @@ g_win32_error_message (gint error)
gchar *
g_win32_get_package_installation_directory_of_module (gpointer hmodule)
{
gchar *filename;
gchar *retval;
gchar *p;
wchar_t wc_fn[MAX_PATH];
/* NOTE: it relies that GetModuleFileNameW returns only canonical paths */
if (!GetModuleFileNameW (hmodule, wc_fn, MAX_PATH))
return NULL;
retval = g_utf16_to_utf8 (wc_fn, -1, NULL, NULL, NULL);
filename = g_utf16_to_utf8 (wc_fn, -1, NULL, NULL, NULL);
if ((p = strrchr (retval, G_DIR_SEPARATOR)) != NULL)
if ((p = strrchr (filename, G_DIR_SEPARATOR)) != NULL)
*p = '\0';
p = strrchr (retval, G_DIR_SEPARATOR);
if (p && (g_ascii_strcasecmp (p + 1, "bin") == 0 ||
g_ascii_strcasecmp (p + 1, "lib") == 0))
*p = '\0';
retval = g_strdup (filename);
do
{
p = strrchr (retval, G_DIR_SEPARATOR);
if (p == NULL)
break;
*p = '\0';
if (g_ascii_strcasecmp (p + 1, "bin") == 0 ||
g_ascii_strcasecmp (p + 1, "lib") == 0)
break;
}
while (p != NULL);
if (p == NULL)
{
g_free (retval);
retval = filename;
}
else
g_free (filename);
#ifdef G_WITH_CYGWIN
/* In Cygwin we need to have POSIX paths */