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-rw-r--r--desiredata/src/s_audio_oss.c17
1 files changed, 15 insertions, 2 deletions
diff --git a/desiredata/src/s_audio_oss.c b/desiredata/src/s_audio_oss.c
index d38051b7..2a22da1c 100644
--- a/desiredata/src/s_audio_oss.c
+++ b/desiredata/src/s_audio_oss.c
@@ -198,6 +198,19 @@ static int oss_setchannels(int fd, int wantchannels, char *devname) {
#define O_AUDIOFLAG O_NDELAY
/* what's the deal with (!O_NDELAY) ? does it make sense to you? */
+ssize_t read2(int fd, void *buf, size_t count) {
+ ssize_t r = read(fd,buf,count);
+ if (r<0) error("can't read: %s",strerror(errno));
+ if (r<(ssize_t)count) error("incomplete read");
+ return r;
+}
+ssize_t write2(int fd, const void *buf, size_t count) {
+ ssize_t r = write(fd,buf,count);
+ if (r<0) error("can't write: %s",strerror(errno));
+ if (r<(ssize_t)count) error("incomplete write");
+ return r;
+}
+
int oss_open_audio(int nindev, int *indev, int nchin, int *chin,
int noutdev, int *outdev, int nchout, int *chout, int rate, int bogus)
{ /* IOhannes */
@@ -317,7 +330,7 @@ int oss_open_audio(int nindev, int *indev, int nchin, int *chin,
will not block. But I wonder why we only have to read from one of the devices and not all of them??? */
if (linux_nindevs) {
if (sys_verbose) post("OSS: issuing first ADC 'read'...");
- read(linux_adcs[0].fd, buf, linux_adcs[0].bytespersamp * linux_adcs[0].nchannels * sys_dacblocksize);
+ read2(linux_adcs[0].fd, buf, linux_adcs[0].bytespersamp * linux_adcs[0].nchannels * sys_dacblocksize);
if (sys_verbose) post("...done.");
}
/* now go and fill all the output buffers. */
@@ -325,7 +338,7 @@ int oss_open_audio(int nindev, int *indev, int nchin, int *chin,
t_oss_dev &d = linux_dacs[i];
memset(buf, 0, d.bytespersamp * d.nchannels * sys_dacblocksize);
for (int j = 0; j < sys_advance_samples/sys_dacblocksize; j++)
- write(d.fd, buf, d.bytespersamp * d.nchannels * sys_dacblocksize);
+ write2(d.fd, buf, d.bytespersamp * d.nchannels * sys_dacblocksize);
}
sys_setalarm(0);
sys_inchannels = inchannels;