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From ff2474e5fc9eaa4c7f687e71a39a5bed4f56c259 Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Tue, 16 Feb 2010 02:03:45 +0100
Subject: [PATCH 39/62] padsp: emulate /dev/audio, too

https://bugzilla.redhat.com/show_bug.cgi?id=561262
---
 src/utils/padsp.c |   55 +++++++++++++++++++---------------------------------
 1 files changed, 20 insertions(+), 35 deletions(-)

diff --git a/src/utils/padsp.c b/src/utils/padsp.c
index 2ed0a03..fb756d3 100644
--- a/src/utils/padsp.c
+++ b/src/utils/padsp.c
@@ -1458,11 +1458,11 @@ static int real_open(const char *filename, int flags, mode_t mode) {
         return _open(filename, flags, mode);
     }
 
-    if (filename && dsp_cloak_enable() && (strcmp(filename, "/dev/dsp") == 0 || strcmp(filename, "/dev/adsp") == 0))
+    if (filename && dsp_cloak_enable() && (pa_streq(filename, "/dev/dsp") || pa_streq(filename, "/dev/adsp") || pa_streq(filename, "/dev/audio")))
         r = dsp_open(flags, &_errno);
-    else if (filename && mixer_cloak_enable() && strcmp(filename, "/dev/mixer") == 0)
+    else if (filename && mixer_cloak_enable() && pa_streq(filename, "/dev/mixer"))
         r = mixer_open(flags, &_errno);
-    else if (filename && sndstat_cloak_enable() && strcmp(filename, "/dev/sndstat") == 0)
+    else if (filename && sndstat_cloak_enable() && pa_streq(filename, "/dev/sndstat"))
         r = sndstat_open(flags, &_errno);
     else {
         function_exit();
@@ -2383,15 +2383,21 @@ int close(int fd) {
     return 0;
 }
 
+static pa_bool_t is_audio_device_node(const char *path) {
+    return
+        pa_streq(path, "/dev/dsp") ||
+        pa_streq(path, "/dev/adsp") ||
+        pa_streq(path, "/dev/audio") ||
+        pa_streq(path, "/dev/sndstat") ||
+        pa_streq(path, "/dev/mixer");
+}
+
 int access(const char *pathname, int mode) {
 
     debug(DEBUG_LEVEL_VERBOSE, __FILE__": access(%s)\n", pathname?pathname:"NULL");
 
     if (!pathname ||
-        (strcmp(pathname, "/dev/dsp") != 0 &&
-         strcmp(pathname, "/dev/adsp") != 0 &&
-         strcmp(pathname, "/dev/sndstat") != 0 &&
-         strcmp(pathname, "/dev/mixer") != 0 )) {
+        !is_audio_device_node(pathname)) {
         LOAD_ACCESS_FUNC();
         return _access(pathname, mode);
     }
@@ -2417,10 +2423,7 @@ int stat(const char *pathname, struct stat *buf) {
 
     if (!pathname ||
         !buf ||
-        ( strcmp(pathname, "/dev/dsp") != 0 &&
-          strcmp(pathname, "/dev/adsp") != 0 &&
-          strcmp(pathname, "/dev/sndstat") != 0 &&
-          strcmp(pathname, "/dev/mixer") != 0 )) {
+        !is_audio_device_node(pathname)) {
         debug(DEBUG_LEVEL_VERBOSE, __FILE__": stat(%s)\n", pathname?pathname:"NULL");
         LOAD_STAT_FUNC();
         return _stat(pathname, buf);
@@ -2474,10 +2477,7 @@ int stat64(const char *pathname, struct stat64 *buf) {
 
     if (!pathname ||
         !buf ||
-        ( strcmp(pathname, "/dev/dsp") != 0 &&
-          strcmp(pathname, "/dev/adsp") != 0 &&
-          strcmp(pathname, "/dev/sndstat") != 0 &&
-          strcmp(pathname, "/dev/mixer") != 0 )) {
+        !is_audio_device_node(pathname)) {
         LOAD_STAT64_FUNC();
         return _stat64(pathname, buf);
     }
@@ -2519,10 +2519,7 @@ int open64(const char *filename, int flags, ...) {
     }
 
     if (!filename ||
-        ( strcmp(filename, "/dev/dsp") != 0 &&
-          strcmp(filename, "/dev/adsp") != 0 &&
-          strcmp(filename, "/dev/sndstat") != 0 &&
-          strcmp(filename, "/dev/mixer") != 0 )) {
+        !is_audio_device_node(filename)) {
         LOAD_OPEN64_FUNC();
         return _open64(filename, flags, mode);
     }
@@ -2539,10 +2536,7 @@ int __xstat(int ver, const char *pathname, struct stat *buf) {
 
     if (!pathname ||
         !buf ||
-        ( strcmp(pathname, "/dev/dsp") != 0 &&
-          strcmp(pathname, "/dev/adsp") != 0 &&
-          strcmp(pathname, "/dev/sndstat") != 0 &&
-          strcmp(pathname, "/dev/mixer") != 0 )) {
+        !is_audio_device_node(pathname)) {
         LOAD_XSTAT_FUNC();
         return ___xstat(ver, pathname, buf);
     }
@@ -2562,10 +2556,7 @@ int __xstat64(int ver, const char *pathname, struct stat64 *buf) {
 
     if (!pathname ||
         !buf ||
-        ( strcmp(pathname, "/dev/dsp") != 0 &&
-          strcmp(pathname, "/dev/adsp") != 0 &&
-          strcmp(pathname, "/dev/sndstat") != 0 &&
-          strcmp(pathname, "/dev/mixer") != 0 )) {
+        !is_audio_device_node(pathname)) {
         LOAD_XSTAT64_FUNC();
         return ___xstat64(ver, pathname, buf);
     }
@@ -2591,10 +2582,7 @@ FILE* fopen(const char *filename, const char *mode) {
 
     if (!filename ||
         !mode ||
-        ( strcmp(filename, "/dev/dsp") != 0 &&
-          strcmp(filename, "/dev/adsp") != 0 &&
-          strcmp(filename, "/dev/sndstat") != 0 &&
-          strcmp(filename, "/dev/mixer") != 0 )) {
+        !is_audio_device_node(filename)) {
         LOAD_FOPEN_FUNC();
         return _fopen(filename, mode);
     }
@@ -2634,10 +2622,7 @@ FILE *fopen64(const char *filename, const char *mode) {
 
     if (!filename ||
         !mode ||
-        ( strcmp(filename, "/dev/dsp") != 0 &&
-          strcmp(filename, "/dev/adsp") != 0 &&
-          strcmp(filename, "/dev/sndstat") != 0 &&
-          strcmp(filename, "/dev/mixer") != 0 )) {
+        !is_audio_device_node(filename)) {
         LOAD_FOPEN64_FUNC();
         return _fopen64(filename, mode);
     }
-- 
1.7.0