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Update the fusd examples now that multiple registration is no longer bitrotted.

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git-svn-id: http://svn.xiph.org/trunk/fusd@12355 0101bb08-14d6-0310-b084-bc0e0c8e3800
This commit is contained in:
xiphmont 2007-01-19 17:44:17 +00:00
parent cc3e84dfbf
commit bd9d3e1df3
3 changed files with 8 additions and 5 deletions
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2
examples/drums.c
View File

@ -59,7 +59,7 @@
static char *drums_strings[] = {"bam", "bum", "beat", "boom", static char *drums_strings[] = {"bam", "bum", "beat", "boom",
"bang", "crash", NULL}; "bang", "crash", NULL};
int drums_read(struct fusd_file_info *file, char *user_buffer, ssize_t drums_read(struct fusd_file_info *file, char *user_buffer,
size_t user_length, loff_t *offset) size_t user_length, loff_t *offset)
{ {
int len; int len;

9
examples/drums2.c
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@ -82,14 +82,16 @@ int drums_open(struct fusd_file_info *file)
/* file->device_info is what we passed to fusd_register when we /* file->device_info is what we passed to fusd_register when we
* registered the device. It's a pointer into the "drums" struct. */ * registered the device. It's a pointer into the "drums" struct. */
struct drum_info *d = (struct drum_info *) file->device_info; struct drum_info *d = (struct drum_info *) file->device_info;
int *user_num = calloc(1, sizeof(*user_num));
/* Store this user's unique user number in their private_data */ /* Store this user's unique user number in their private_data */
file->private_data = (void *) ++(d->num_users); *user_num = ++(d->num_users);
file->private_data = (void *) user_num;
return 0; /* return success */ return 0; /* return success */
} }
int drums_read(struct fusd_file_info *file, char *user_buffer, ssize_t drums_read(struct fusd_file_info *file, char *user_buffer,
size_t user_length, loff_t *offset) size_t user_length, loff_t *offset)
{ {
struct drum_info *d = (struct drum_info *) file->device_info; struct drum_info *d = (struct drum_info *) file->device_info;
@ -97,10 +99,11 @@ int drums_read(struct fusd_file_info *file, char *user_buffer,
char sound[128]; char sound[128];
sprintf(sound, "You are user %d to hear a drum go '%s'!\n", sprintf(sound, "You are user %d to hear a drum go '%s'!\n",
(int) file->private_data, d->name); *(int *) file->private_data, d->name);
len = MIN(user_length, strlen(sound)); len = MIN(user_length, strlen(sound));
memcpy(user_buffer, sound, len); memcpy(user_buffer, sound, len);
*offset += len;
return len; return len;
} }
/* EXAMPLE STOP */ /* EXAMPLE STOP */

2
examples/pager.c
View File

@ -247,7 +247,7 @@ void pager_notify_complete_read(struct pager_client *c)
* one; if this happens, use fusd_destroy() to get rid of the older one. * one; if this happens, use fusd_destroy() to get rid of the older one.
*/ */
/* EXAMPLE START pager-polldiff.c */ /* EXAMPLE START pager-polldiff.c */
ssize_t pager_notify_polldiff(struct fusd_file_info *file, int pager_notify_polldiff(struct fusd_file_info *file,
unsigned int cached_state) unsigned int cached_state)
{ {
struct pager_client *c = (struct pager_client *) file->private_data; struct pager_client *c = (struct pager_client *) file->private_data;