[pulseaudio-commits] r1974 - in /trunk/src/pulsecore: core-util.c core-util.h

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Author: lennart
Date: Mon Oct 29 16:31:24 2007
New Revision: 1974

URL: http://0pointer.de/cgi-bin/viewcvs.cgi?rev=1974&root=pulseaudio&view=rev
Log:
add new pa_readlink() API

Modified:
    trunk/src/pulsecore/core-util.c
    trunk/src/pulsecore/core-util.h

Modified: trunk/src/pulsecore/core-util.c
URL: http://0pointer.de/cgi-bin/viewcvs.cgi/trunk/src/pulsecore/core-util.c?rev=1974&root=pulseaudio&r1=1973&r2=1974&view=diff
==============================================================================
--- trunk/src/pulsecore/core-util.c (original)
+++ trunk/src/pulsecore/core-util.c Mon Oct 29 16:31:24 2007
@@ -1507,3 +1507,27 @@
 
     fds[0] = fds[1] = -1;
 }
+
+char *pa_readlink(const char *p) {
+    size_t l = 100;
+
+    for (;;) {
+        char *c;
+        ssize_t n;
+
+        c = pa_xnew(char, l);
+
+        if ((n = readlink(p, c, l-1)) < 0) {
+            pa_xfree(c);
+            return NULL;
+        }
+
+        if (n < l-1) {
+            c[l-1] = 0;
+            return c;
+        }
+
+        pa_xfree(c);
+        l *= 2;
+    }
+}

Modified: trunk/src/pulsecore/core-util.h
URL: http://0pointer.de/cgi-bin/viewcvs.cgi/trunk/src/pulsecore/core-util.h?rev=1974&root=pulseaudio&r1=1973&r2=1974&view=diff
==============================================================================
--- trunk/src/pulsecore/core-util.h (original)
+++ trunk/src/pulsecore/core-util.h Mon Oct 29 16:31:24 2007
@@ -122,4 +122,6 @@
 
 void pa_close_pipe(int fds[2]);
 
+char *pa_readlink(const char *p);
+
 #endif