Merge branch 'master' of ssh://192.168.1.7/home/danny/libgim

Makefile.am

@@ -51,9 +51,10 @@ UTIL_FILES   =	\
 
 if HAVE_EXECINFO
 UTIL_FILES += backtrace_execinfo.cpp
+else
+UTIL_FILES += backtrace_null.cpp
 endif
 
-
 CLEANFILES = json.cpp version.cpp ip.cpp
 EXTRA_DIST = json.cpp.rl version.cpp.rl ip.cpp.rl
 

backtrace_null.cpp

@@ -0,0 +1,17 @@
+#include "backtrace.hpp"
+
+#include <iostream>
+
+using namespace std;
+
+
+debug::backtrace::backtrace (void):
+    m_frames (DEFAULT_DEPTH) 
+{ ; }
+
+
+ostream&
+operator <<(ostream &os, const debug::backtrace &rhs) {
+    os << "null backtrace";
+    return os;
+}

configure.ac

@@ -22,11 +22,11 @@ AC_ARG_ENABLE([debugging],
               [AS_HELP_STRING([--enable-debugging],
                               [enables developer debugging support])],
               [ case "${enableval}" in
-                    yes) cv_debugging=yes ;;
+                    yes) ac_cv_debugging=yes ;;
-                     no) cv_debugging=no ;;
+                     no) ac_cv_debugging=no ;;
                       *) AC_MSG_ERROR([bad value for --enable-debugging=[yes|no]]) ;;
               esac ],
-              [cv_debugging=no])
+              [ac_cv_debugging=no])
 
 ##
 ## Warnings
@@ -83,21 +83,35 @@ AC_C_INLINE
 ## Architecture features
 AC_C_BIGENDIAN
 
+##
+## Useful headers or platform features
+AC_TYPE_SIZE_T
+AC_TYPE_SSIZE_T
+
 ##
 ## platform features
+COMMON_CFLAGS="$COMMON_CFLAGS -D_GNU_SOURCE"
+
 AC_FUNC_MMAP
 
-AC_CHECK_HEADER([execinfo.h], [break], [AC_MSG_ERROR([Missing backtrace support])])
+AC_CHECK_HEADER([execinfo.h], [break])
-
 AM_CONDITIONAL([HAVE_EXECINFO], [test x$ac_cv_header_execinfo_h = "xyes"])
 
+
 ##
 ## Debug features
-if test "x$cv_debugging" = "xyes"; then
+if test "x$ac_cv_debugging" = "xyes"; then
     COMMON_CFLAGS="$COMMON_CFLAGS -O0 -D_GLIBCXX_DEBUG"
 else
-    COMMON_CFLAGS="$COMMON_CFLAGS -O2 -flto"
+    AS_CXX_COMPILER_FLAG([-flto], [ac_cv_flto=yes])
-    COMMON_LDFLAGS="-flto"
+
+
+    if test "x$ac_cv_flto" = "xyes"; then
+        COMMON_CFLAGS="$COMMON_CFLAGS -flto"
+        COMMON_LDFLAGS="-flto"
+    fi
+
+    COMMON_CFLAGS="$COMMON_CFLAGS -O2"
 fi
 
 ##

debug.cpp

@@ -42,7 +42,7 @@ panic (void)
 void
 breakpoint (void) {
     if (getenv ("DEBUG")) {
-#if defined (__x86_64)
+#if defined (__x86_64) || defined (__i386)
         __asm__ ("int $3;");
 #else
         raise (SIGINT);

io.cpp

@@ -6,7 +6,6 @@
 #include <cstdio>
 #include <sys/types.h>
 #include <sys/stat.h>
-#include <sys/mman.h>
 #include <fcntl.h>
 #include <unistd.h>
 
@@ -15,8 +14,8 @@ using namespace std;
 
 //----------------------------------------------------------------------------
 uint8_t *
-slurp (boost::filesystem::path& path)  {
+slurp (const boost::filesystem::path& path)  {
-    fd_ref fd(open (path.c_str(), O_RDONLY | O_CLOEXEC));
+    fd_ref fd(open (path.string ().c_str (), O_RDONLY)); // | O_CLOEXEC));
     
     // Calculate the total file size
     off_t size = lseek (fd, 0, SEEK_END);
@@ -68,6 +67,9 @@ fd_ref::operator int (void) const
     { return fd; }
 
 
+#if defined(HAVE_MMAP)
+#include <sys/mman.h>
+
 //----------------------------------------------------------------------------
 mapped_file::mapped_file (const char *_path):
     m_fd (open (_path, O_RDONLY))
@@ -119,6 +121,6 @@ mapped_file::data (void) const {
 
     return m_data;
 }
-
+#endif
 
 

io.hpp

@@ -38,7 +38,7 @@ enum access_t {
 /// Reads an entire file into memory. Caller frees the result. Guarantees a
 /// null trailing byte.
 uint8_t *
-slurp (boost::filesystem::path&) mustuse;
+slurp (const boost::filesystem::path&) mustuse;
 
 /// A simple RAII wrapper for file descriptors
 struct fd_ref {
@@ -52,6 +52,7 @@ struct fd_ref {
 };
 
 
+#if defined(HAVE_MMAP)
 /// Wraps a mechanism to map a file into memory. Read only.
 class mapped_file {
     protected:
@@ -74,6 +75,7 @@ class mapped_file {
         const uint8_t* data (void) const;
         size_t         size (void) const;
 };
+#endif
 
 
 #endif

json.cpp.rl

@@ -29,7 +29,6 @@
 #include <algorithm>
 #include <sstream>
 
-#include <sys/mman.h>
 #include <string.h>
 #include <sys/types.h>
 #include <sys/stat.h>
@@ -236,13 +235,14 @@ struct parse_context {
 
 namespace json {
     json::node *
-    parse (const boost::filesystem::path &path) {
+    parse (const boost::filesystem::path &path)
-        mapped_file file(path);
+        { return parse ((const char *)slurp (path)); }
-        return parse ((const char *)file.data (),
-                      (const char *)file.data () + file.size ());
-    }
 
 
+    json::node *
+    parse (const std::string &path)
+        { return parse (path.c_str (), path.c_str () + path.size ()); }
+
     node *
     parse (const char *start,
            const char *stop) {

json.hpp

@@ -40,6 +40,7 @@ namespace json {
     extern node* parse (const boost::filesystem::path &path);
     extern node* parse (const char *start, const char *stop);
     extern node* parse (const char *start);
+    extern node* parse (const std::string&);
 
     /// Abstract base for all JSON values
     class node {

test/.gitignore

@@ -1,11 +1,11 @@
-/backtrace
+/backtrace*
-/float
+/float*
-/hton
+/hton*
-/ip
+/ip*
-/json-check
+/json-check*
-/maths
+/maths*
-/matrix
+/matrix*
-/pool
+/pool*
-/range
+/range*
-/signal
+/signal*
-/version
+/version*

test/backtrace.cpp

@@ -1,12 +1,13 @@
-#include "../backtrace.hpp"
+#include "../backtrace.hpp"
-#include <iostream>
+#include <iostream>
-
+#include <cstdlib>
-using namespace std;
+
-
+using namespace std;
-
+
-int
+
-main (int, char **) {
+int
-    cout << debug::backtrace() << endl;
+main (int, char **) {
-
+    cout << debug::backtrace() << endl;
-    return EXIT_SUCCESS;
+
-}
+    return EXIT_SUCCESS;
+}