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modules: introduce PA_MODULE_DEPRECATED() macro for marking modules deprecated

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This commit is contained in:
Lennart Poettering 2009-05-28 02:47:36 +02:00
parent 1c4393acf0
commit c224aace42
11 changed files with 31 additions and 2 deletions
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2
src/pulsecore/cli-command.c
View file

@ -483,6 +483,8 @@ static int pa_cli_command_describe(pa_core *c, pa_tokenizer *t, pa_strbuf *buf,
if (i->usage)
pa_strbuf_printf(buf, "Usage: %s\n", i->usage);
pa_strbuf_printf(buf, "Load Once: %s\n", pa_yes_no(i->load_once));
if (i->deprecated)
pa_strbuf_printf(buf, "Warning, deprecated: %s\n", i->deprecated);
}
pa_modinfo_free(i);

1
src/pulsecore/ltdl-helper.h
View file

@ -29,4 +29,3 @@ typedef void (*pa_void_func_t)(void);
pa_void_func_t pa_load_sym(lt_dlhandle handle, const char*module, const char *symbol);
#endif

5
src/pulsecore/modinfo.c
View file

@ -38,6 +38,7 @@
#define PA_SYMBOL_DESCRIPTION "pa__get_description"
#define PA_SYMBOL_USAGE "pa__get_usage"
#define PA_SYMBOL_VERSION "pa__get_version"
#define PA_SYMBOL_DEPRECATED "pa__get_deprecated"
#define PA_SYMBOL_LOAD_ONCE "pa__load_once"
pa_modinfo *pa_modinfo_get_by_handle(lt_dlhandle dl, const char *module_name) {
@ -61,6 +62,9 @@ pa_modinfo *pa_modinfo_get_by_handle(lt_dlhandle dl, const char *module_name) {
if ((func = (const char* (*)(void)) pa_load_sym(dl, module_name, PA_SYMBOL_VERSION)))
i->version = pa_xstrdup(func());
if ((func = (const char* (*)(void)) pa_load_sym(dl, module_name, PA_SYMBOL_DEPRECATED)))
i->deprecated = pa_xstrdup(func());
if ((func2 = (pa_bool_t (*)(void)) pa_load_sym(dl, module_name, PA_SYMBOL_LOAD_ONCE)))
i->load_once = func2();
@ -91,5 +95,6 @@ void pa_modinfo_free(pa_modinfo *i) {
pa_xfree(i->description);
pa_xfree(i->usage);
pa_xfree(i->version);
pa_xfree(i->deprecated);
pa_xfree(i);
}

1
src/pulsecore/modinfo.h
View file

@ -30,6 +30,7 @@ typedef struct pa_modinfo {
char *description;
char *usage;
char *version;
char *deprecated;
pa_bool_t load_once;
} pa_modinfo;

9
src/pulsecore/module.c
View file

@ -48,10 +48,12 @@
#define PA_SYMBOL_DONE "pa__done"
#define PA_SYMBOL_LOAD_ONCE "pa__load_once"
#define PA_SYMBOL_GET_N_USED "pa__get_n_used"
#define PA_SYMBOL_GET_DEPRECATE "pa__get_deprecated"
pa_module* pa_module_load(pa_core *c, const char *name, const char *argument) {
pa_module *m = NULL;
pa_bool_t (*load_once)(void);
const char* (*get_deprecated)(void);
pa_modinfo *mi;
pa_assert(c);
@ -89,6 +91,13 @@ pa_module* pa_module_load(pa_core *c, const char *name, const char *argument) {
}
}
if ((get_deprecated = (const char* (*) (void)) pa_load_sym(m->dl, name, PA_SYMBOL_GET_DEPRECATE))) {
const char *t;
if ((t = get_deprecated()))
pa_log_warn("%s is deprecated: %s", name, t);
}
if (!(m->init = (int (*)(pa_module*_m)) pa_load_sym(m->dl, name, PA_SYMBOL_INIT))) {
pa_log("Failed to load module \"%s\": symbol \""PA_SYMBOL_INIT"\" not found.", name);
goto fail;

4
src/pulsecore/module.h
View file

@ -78,6 +78,10 @@ int pa_module_get_n_used(pa_module*m);
const char * pa__get_version(void) { return s; } \
struct __stupid_useless_struct_to_allow_trailing_semicolon
#define PA_MODULE_DEPRECATED(s) \
const char * pa__get_deprecated(void) { return s; } \
struct __stupid_useless_struct_to_allow_trailing_semicolon
#define PA_MODULE_LOAD_ONCE(b) \
pa_bool_t pa__load_once(void) { return b; } \
struct __stupid_useless_struct_to_allow_trailing_semicolon