everything except mds-kkbd and mds-vt compiles with musl; mds-kkbd and mds-vt does not because they require <linux/> headers

Signed-off-by: Mattias Andrée <maandree@operamail.com>

5 files changed, 21 insertions, 5 deletions

diff --git a/doc/info/mds.texinfo b/doc/info/mds.texinfo
index a090f7b..9c1ec22 100644
--- a/doc/info/mds.texinfo
+++ b/doc/info/mds.texinfo
@@ -7053,6 +7053,10 @@ Also, instead of returning the length of the message, it returns zero
 on success and @code{-1} on error.
 @end table
 
+@fnindex @code{rawmemchr}.
+@file{<libmdsserver/util.h>} also defines @code{rawmemchr}
+if not already defined.
+
 
 
 @node Data Structures
diff --git a/src/libmdsserver/linked-list.h b/src/libmdsserver/linked-list.h
index a99204c..b7bcefb 100644
--- a/src/libmdsserver/linked-list.h
+++ b/src/libmdsserver/linked-list.h
@@ -46,11 +46,7 @@
 /**
  * Sentinel value indicating that the position is unused
  */
-#if __WORDSIZE == 64
-# define LINKED_LIST_UNUSED  (-__INT64_C(9223372036854775807) - 1)
-#else
-# define LINKED_LIST_UNUSED  (-2147483647 - 1)
-#endif
+#define LINKED_LIST_UNUSED  (-((ssize_t)(SIZE_MAX >> 1)) - 1)
 
 
 
diff --git a/src/libmdsserver/util.h b/src/libmdsserver/util.h
index b86ffd5..543a1c9 100644
--- a/src/libmdsserver/util.h
+++ b/src/libmdsserver/util.h
@@ -24,6 +24,20 @@
 #include <sys/types.h>
 
 
+
+#ifndef __USE_GNU
+__attribute__((pure, nonnull))
+static inline void* rawmemchr(const void* str, int chr)
+{
+  intptr_t str_address = (intptr_t)str;
+  void* str_nonconst = (void*)str_address;
+  char* s = str_nonconst;
+  while ((int)*s++ != chr);
+  return s - 1;
+}
+#endif
+
+
 /**
  * Convert a client ID string into a client ID integer
  * 
diff --git a/src/mds-registry/slave.h b/src/mds-registry/slave.h
index 1213aaa..d765ebb 100644
--- a/src/mds-registry/slave.h
+++ b/src/mds-registry/slave.h
@@ -21,6 +21,7 @@
 
 #include <libmdsserver/hash-table.h>
 
+#include <unistd.h>
 #include <stdlib.h>
 #include <stdint.h>
 #include <pthread.h>
diff --git a/src/mds-server/client.h b/src/mds-server/client.h
index e60a0ed..72304d7 100644
--- a/src/mds-server/client.h
+++ b/src/mds-server/client.h
@@ -27,6 +27,7 @@
 #include <stdlib.h>
 #include <pthread.h>
 #include <stdint.h>
+#include <unistd.h>