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encoder_list: add macro _for_each()

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This commit is contained in:
Max Kellermann 2012-06-12 20:39:53 +02:00
parent 90709a6de4
commit edbfa46cbc
2 changed files with 14 additions and 6 deletions
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12
src/encoder_list.c
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@ -30,7 +30,7 @@ extern const struct encoder_plugin twolame_encoder_plugin;
extern const struct encoder_plugin wave_encoder_plugin;
extern const struct encoder_plugin flac_encoder_plugin;
static const struct encoder_plugin *const encoder_plugins[] = {
const struct encoder_plugin *const encoder_plugins[] = {
&null_encoder_plugin,
#ifdef ENABLE_VORBIS_ENCODER
&vorbis_encoder_plugin,
@ -53,9 +53,9 @@ static const struct encoder_plugin *const encoder_plugins[] = {
const struct encoder_plugin *
encoder_plugin_get(const char *name)
{
for (unsigned i = 0; encoder_plugins[i] != NULL; ++i)
if (strcmp(encoder_plugins[i]->name, name) == 0)
return encoder_plugins[i];
encoder_plugins_for_each(plugin)
if (strcmp(plugin->name, name) == 0)
return plugin;
return NULL;
}
@ -63,8 +63,8 @@ encoder_plugin_get(const char *name)
void
encoder_plugin_print_all_types(FILE * fp)
{
for (unsigned i = 0; encoder_plugins[i] != NULL; ++i)
fprintf(fp, "%s ", encoder_plugins[i]->name);
encoder_plugins_for_each(plugin)
fprintf(fp, "%s ", plugin->name);
fprintf(fp, "\n");
fflush(fp);

8
src/encoder_list.h
View File

@ -24,6 +24,14 @@
struct encoder_plugin;
extern const struct encoder_plugin *const encoder_plugins[];
#define encoder_plugins_for_each(plugin) \
for (const struct encoder_plugin *plugin, \
*const*encoder_plugin_iterator = &encoder_plugins[0]; \
(plugin = *encoder_plugin_iterator) != NULL; \
++encoder_plugin_iterator)
/**
* Looks up an encoder plugin by its name.
*