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https://github.com/alsa-project/alsa-utils
synced 2024-11-10 03:55:41 +01:00
fixes for coping with zero elements or groups
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parent
c1f35c1425
commit
0dcb344612
3 changed files with 11 additions and 9 deletions
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@ -5,7 +5,7 @@ GtkWidget *window;
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GtkWidget *main_vbox;
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GtkWidget *mixer_container;
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GtkWidget *exit_item;
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unsigned char *nomem_msg = N_("No enough ememory.\n");
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unsigned char *nomem_msg = N_("No enough memory.\n");
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int main(int , char **);
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int disp_mixer( void );
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@ -83,7 +83,7 @@ gint probe_mixer( void ) {
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}
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groups.pgroups = (snd_mixer_gid_t *)g_malloc(groups.groups_over
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*sizeof(snd_mixer_eid_t));
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if( groups.pgroups == NULL ) {
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if( groups.pgroups == NULL && groups.groups_over) {
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fprintf(stderr,nomem_msg);
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snd_ctl_close(p_handle);
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snd_mixer_close(m_handle);
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@ -107,7 +107,7 @@ gint probe_mixer( void ) {
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}
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es.pelements = (snd_mixer_eid_t *)g_malloc(
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es.elements_over * sizeof(snd_mixer_eid_t));
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if( es.pelements == NULL ) {
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if( es.pelements == NULL && es.elements_over) {
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fprintf(stderr,nomem_msg);
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snd_ctl_close(p_handle);
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snd_mixer_close(m_handle);
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@ -123,7 +123,7 @@ gint probe_mixer( void ) {
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return -1;
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}
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es_nums = (int *)g_malloc(es.elements * sizeof(int));
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if( es_nums == NULL ) {
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if( es_nums == NULL && es.elements) {
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fprintf(stderr,nomem_msg);
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snd_ctl_close(p_handle);
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snd_mixer_close(m_handle);
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@ -176,7 +176,7 @@ gint probe_mixer( void ) {
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}
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group->g.pelements = (snd_mixer_eid_t *)g_malloc(
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group->g.elements_over*sizeof(snd_mixer_eid_t));
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if( group->g.pelements == NULL ) {
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if( group->g.pelements == NULL && group->g.elements_over) {
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snd_ctl_close(p_handle);
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fprintf(stderr,nomem_msg);
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snd_mixer_close(m_handle);
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@ -193,7 +193,7 @@ gint probe_mixer( void ) {
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}
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group->e=(s_element_t *)g_malloc(group->g.elements_size*
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sizeof(s_element_t));
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if( group->e == NULL ) {
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if( group->e == NULL && group->g.elements_size) {
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fprintf(stderr,nomem_msg);
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snd_ctl_close(p_handle);
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snd_mixer_close(m_handle);
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@ -62,9 +62,11 @@ GtkWidget *create_mixer_page(int card_num, int mixer_num)
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w = (int)(1.5 *
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(float)card[i].mixer[j].info.elements /
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(float)card[i].mixer[j].info.groups);
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/* Compute the number of groups in a column */
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col = (card[i].mixer[j].info.groups + w - 1)/ w;
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if (w == 0)
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col = 0;
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else
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/* Compute the number of groups in a column */
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col = (card[i].mixer[j].info.groups + w - 1)/ w;
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/* Create the main bounding box */
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hbox = gtk_hbox_new(FALSE, 0);
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