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spell-entry: Improve robustness of enchant loading and fix 2.0 support 

- Add logging and error handling to loading symbols
- Don't load unversioned symbol
- Handle new function names in Enchant 2.0

Closes #2095
This commit is contained in:
Patrick Griffis 2017-11-24 03:51:10 -05:00
parent 228e08543a
commit 0058587958
1 changed files with 51 additions and 35 deletions
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84
src/fe-gtk/sexy-spell-entry.c
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@ -159,49 +159,65 @@ initialize_enchant (void)
{ {
GModule *enchant; GModule *enchant;
gpointer funcptr; gpointer funcptr;
gsize i;
const char * const libnames[] = {
enchant = g_module_open("libenchant."G_MODULE_SUFFIX, 0); #ifdef G_OS_WIN32
if (enchant == NULL) "libenchant.dll",
{ #endif
#ifndef WIN32 #ifdef G_OS_UNIX
enchant = g_module_open("libenchant.so.1", 0); "libenchant.so.1",
if (enchant == NULL) "libenchant.so.2",
{ #endif
#ifdef __APPLE__ #ifdef __APPLE__
enchant = g_module_open("libenchant.dylib", 0); "libenchant.dylib",
if (enchant == NULL)
#endif #endif
return; };
}
#else
return;
#endif
}
for (i = 0; i < G_N_ELEMENTS(libnames); ++i)
{
enchant = g_module_open(libnames[i], 0);
if (enchant)
{
g_info ("Loaded %s", libnames[i]);
have_enchant = TRUE; have_enchant = TRUE;
break;
}
}
#define MODULE_SYMBOL(name, func) \ if (!have_enchant)
g_module_symbol(enchant, (name), &funcptr); \ return;
(func) = funcptr;
MODULE_SYMBOL("enchant_broker_init", enchant_broker_init) #define MODULE_SYMBOL(name, func, alt_name) G_STMT_START { \
MODULE_SYMBOL("enchant_broker_free", enchant_broker_free) const char *funcname = name; \
MODULE_SYMBOL("enchant_broker_free_dict", enchant_broker_free_dict) gboolean ret = g_module_symbol(enchant, funcname, &funcptr); \
MODULE_SYMBOL("enchant_broker_list_dicts", enchant_broker_list_dicts) if (alt_name) { \
MODULE_SYMBOL("enchant_broker_request_dict", enchant_broker_request_dict) funcname = alt_name; \
ret = g_module_symbol(enchant, funcname, &funcptr); \
} \
if (ret == FALSE) { \
g_warning ("Failed to find enchant symbol %s", funcname); \
have_enchant = FALSE; \
return; \
} \
(func) = funcptr; \
} G_STMT_END;
MODULE_SYMBOL("enchant_dict_add_to_personal", enchant_dict_add_to_personal) MODULE_SYMBOL("enchant_broker_init", enchant_broker_init, NULL)
MODULE_SYMBOL("enchant_dict_add_to_session", enchant_dict_add_to_session) MODULE_SYMBOL("enchant_broker_free", enchant_broker_free, NULL)
MODULE_SYMBOL("enchant_dict_check", enchant_dict_check) MODULE_SYMBOL("enchant_broker_free_dict", enchant_broker_free_dict, NULL)
MODULE_SYMBOL("enchant_dict_describe", enchant_dict_describe) MODULE_SYMBOL("enchant_broker_list_dicts", enchant_broker_list_dicts, NULL)
MODULE_SYMBOL("enchant_broker_request_dict", enchant_broker_request_dict, NULL)
MODULE_SYMBOL("enchant_dict_add_to_personal", enchant_dict_add_to_personal,
"enchant_dict_add")
MODULE_SYMBOL("enchant_dict_add_to_session", enchant_dict_add_to_session, NULL)
MODULE_SYMBOL("enchant_dict_check", enchant_dict_check, NULL)
MODULE_SYMBOL("enchant_dict_describe", enchant_dict_describe, NULL)
MODULE_SYMBOL("enchant_dict_free_suggestions", MODULE_SYMBOL("enchant_dict_free_suggestions",
enchant_dict_free_suggestions) enchant_dict_free_suggestions, "enchant_dict_free_string_list")
MODULE_SYMBOL("enchant_dict_store_replacement", MODULE_SYMBOL("enchant_dict_store_replacement",
enchant_dict_store_replacement) enchant_dict_store_replacement, NULL)
MODULE_SYMBOL("enchant_dict_suggest", enchant_dict_suggest) MODULE_SYMBOL("enchant_dict_suggest", enchant_dict_suggest, NULL)
#undef MODULE_SYMBOL
} }
static void static void