robert/alsa-scarlett-gui
Archived
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Add const to get*elem*() char* function arguments

Browse Source
This commit is contained in:
Geoffrey D. Bennett
2024-05-10 22:25:43 +09:30
parent 5526aa2f54
commit 1615580de6
2 changed files with 14 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
src/alsa.c
View File

@@ -45,7 +45,7 @@ void fatal_alsa_error(const char *msg, int err) {
//
// return the element with the exact matching name
struct alsa_elem *get_elem_by_name(GArray *elems, char *name) {
struct alsa_elem *get_elem_by_name(GArray *elems, const char *name) {
for (int i = 0; i < elems->len; i++) {
struct alsa_elem *elem = &g_array_index(elems, struct alsa_elem, i);
@@ -60,7 +60,7 @@ struct alsa_elem *get_elem_by_name(GArray *elems, char *name) {
}
// return the first element with a name starting with the given prefix
struct alsa_elem *get_elem_by_prefix(GArray *elems, char *prefix) {
struct alsa_elem *get_elem_by_prefix(GArray *elems, const char *prefix) {
int prefix_len = strlen(prefix);
for (int i = 0; i < elems->len; i++) {
@@ -81,7 +81,11 @@ struct alsa_elem *get_elem_by_prefix(GArray *elems, char *prefix) {
// e.g. get_max_elem_by_name(elems, "Line", "Pad Capture Switch")
// will return 8 when the last pad capture switch is
// "Line In 8 Pad Capture Switch"
int get_max_elem_by_name(GArray *elems, char *prefix, char *needle) {
int get_max_elem_by_name(
GArray *elems,
const char *prefix,
const char *needle
) {
int max = 0;
int l = strlen(prefix);

10
src/alsa.h
View File

@@ -198,9 +198,13 @@ struct alsa_card {
void fatal_alsa_error(const char *msg, int err);
// locate elements or get information about them
struct alsa_elem *get_elem_by_name(GArray *elems, char *name);
struct alsa_elem *get_elem_by_prefix(GArray *elems, char *prefix);
int get_max_elem_by_name(GArray *elems, char *prefix, char *needle);
struct alsa_elem *get_elem_by_name(GArray *elems, const char *name);
struct alsa_elem *get_elem_by_prefix(GArray *elems, const char *prefix);
int get_max_elem_by_name(
GArray *elems,
const char *prefix,
const char *needle
);
int is_elem_routing_snk(struct alsa_elem *elem);
// add callback to alsa_elem callback list