pidgin/pidgin

Implement mitigation for GHSL-2021-045
release-2.x.y
2021-02-07, Gary Kramlich
fb2056ce3c58
Implement mitigation for GHSL-2021-045

This add a static inline version of `g_memdup2` if the version of glib we're
compiling against doesn't have the function.

GHSL-2021-045 was originally reported to glib at
https://gitlab.gnome.org/GNOME/glib/-/issues/2319.

More information about the entire situation can be found on the gnome
desktop-devel-list at
https://mail.gnome.org/archives/desktop-devel-list/2021-February/msg00000.html

Testing Done:
Compiled and ran tests locally.

Reviewed at https://reviews.imfreedom.org/r/483/
/* CFLAGS trumps configure values */
/** default host for the purple plugin. You can specialize a build to
default to your server by supplying this at compile time */
#ifndef MW_PLUGIN_DEFAULT_HOST
#define MW_PLUGIN_DEFAULT_HOST ""
#endif
/* "" */
/** default port for the purple plugin. You can specialize a build to
default to your server by supplying this at compile time */
#ifndef MW_PLUGIN_DEFAULT_PORT
#define MW_PLUGIN_DEFAULT_PORT 1533
#endif
/* 1533 */
/** default encoding for the purple plugin.*/
#ifndef MW_PLUGIN_DEFAULT_ENCODING
#define MW_PLUGIN_DEFAULT_ENCODING "ISO-8859-1"
#endif
/* ISO-8859-1 */