test a bunch of stuff from ./test

Author: cirosantilli

README.md

@@ -37,7 +37,9 @@ C, C++, POSIX and Linux system programming minimal examples. Asserts used wherev
         1.  [perf](perf.md)
 1.  GCC
     1.  [GCC -std= default](gcc-std-default/)
-    1.  [GNU LD linker](linker/)
+    1.  GNU LD linker
+        1.  [Incremental linking](linker/incremental-link/)
+        1.  [Fixed variable address](linker/variable-address/)
 1.  Parsing
     1.  [Flex and Bison](flex-bison/)
 1.  Media

boost/common.hpp

@@ -1,19 +1,7 @@
-#ifndef COMMON_HPP
-#define COMMON_HPP
-
-#include <algorithm>
-#include <cassert>
-#include <iterator>
-#include <set>
-#include <unordered_map>
-#include <unordered_set>
-#include <utility> // pair
-#include <vector>
+#include "../cpp/common.hpp"
 
 #include <boost/geometry.hpp>
 #include <boost/iterator.hpp>
 
 namespace bg = boost::geometry;
 namespace bgi = bg::index;
-
-#endif

boost/configure

@@ -1,3 +1,3 @@
 #!/usr/bin/env bash
-sudo aptitude update
-sudo aptitude install libboost1.48-all-dev
+sudo apt-get update
+sudo apt-get install libboost-all-dev

boost/rtree.cpp

@@ -1,19 +1,17 @@
-/*
-Contains either:
-
-- Point, Box or Segment, or something adapted to them
-- std::pair<Point, Data>
-- std::tuple<Point, ..., ...>
-
-Documented at: http://www.boost.org/doc/libs/1_62_0/libs/geometry/doc/html/geometry/spatial_indexes/creation_and_modification.html
-
-TODO
-
--   randomized perf test vs linear search.
-
--   ellipses, infinite lines, other parametrized surfaces:
-    http://boost-geometry.203548.n3.nabble.com/intersection-between-a-sphere-and-a-line-td4025167.html
-*/
+// Contains either:
+//
+// - Point, Box or Segment, or something adapted to them
+// - std::pair<Point, Data>
+// - std::tuple<Point, ..., ...>
+//
+// Documented at: http://www.boost.org/doc/libs/1_62_0/libs/geometry/doc/html/geometry/spatial_indexes/creation_and_modification.html
+//
+// TODO
+//
+// -   randomized perf test vs linear search.
+//
+// -   ellipses, infinite lines, other parametrized surfaces:
+//     http://boost-geometry.203548.n3.nabble.com/intersection-between-a-sphere-and-a-line-td4025167.html
 
 #include "common.hpp"
 
@@ -281,7 +279,6 @@ int main() {
 
     // update
     // TODO: any hint insertion iterator as in std::set? Seems not.
-
     {
         Rtree rtree;
         rtree.insert(Value(Point(1, 1), 1));

c/README.md

@@ -15,7 +15,7 @@
 1.  Language
     1.  [main function](main_function.c)
         1.  [Command line arguments](interactive/command_line_arguments.c)
-        1. [Ugly grammar](ugly_grammar.c)
+        1.  [Ugly grammar](interactive/ugly_grammar.c)
     1.  Data
         1.  [Identifier](identifier.c)
             1.  [Uninitialized variable](uninitialized_variable.c)
@@ -24,19 +24,19 @@
             1.  [Incomplete types](incomplete_type.c)
             1.  [void](void.c)
             1.  [Array](array.c)
-                1. [Array designated initializer](array_designated_initializer.c)
-                1. [String](string.c)
-                1. [VLA](vla.c)
+                1.  [Array designated initializer](array_designated_initializer.c)
+                1.  [String](string.c)
+                1.  [VLA](vla.c)
             1.  [Type qualifier](type_qualifier.c)
-                1. [const](const.c)
-                1. [restrict](restrict.c)
-                1. [auto](auto.c)
-                1. [register](register.c)
-                1. [volatile](volatile.c)
+                1.  [const](const.c)
+                1.  [restrict](restrict.c)
+                1.  [auto](auto.c)
+                1.  [register](register.c)
+                1.  [volatile](volatile.c)
             1.  User defined types
                 1.  [enum](enum.c)
                 1.  [typedef](typedef.c)
-                    1. [typedef function](typedef function.c)
+                    1.  [typedef function](typedef function.c)
                 1.  [struct](struct.c)
                     1.  [struct operators](struct_operators.c)
                     1.  [struct designated initializer](struct_designated_initializer.c)
@@ -50,11 +50,11 @@
         1.  Compile time operations
             1.  [_Generic](generic.c)
             1.  [Constant expression](constant_expression.c)
-                1. [Static_assert](static_assert.c)
+                1.  [Static_assert](static_assert.c)
         1.  [Pointer](pointer.c)
-            1. [void pointer](void_pointer.c)
-            1. [Pointer to int typecast](pointer_to_int.c)
-            1. [NULL](null.c)
+            1.  [void pointer](void_pointer.c)
+            1.  [Pointer to int typecast](pointer_to_int.c)
+            1.  [NULL](null.c)
     1.  Branching
         1.  [if](if.c)
         1.  [while](while.c)
@@ -96,13 +96,13 @@
     1.  [stdint.h](stdint_h.c)
     1.  [stdlib.h](stdlib_h.c)
         1.  Exit related
-            1. [exit()](exit.c)
-            1. [atexit()](atexit.c)
-            1. [abort()](interactive/abort.c.off)
-        1. [abs()](abs.c)
-        1. [malloc()](malloc.c)
-        1. [getenv](getenv.c)
-        1. [offsetof()](offsetof.c)
+            1.  [exit()](exit.c)
+            1.  [atexit()](atexit.c)
+            1.  [abort()](interactive/abort.c.off)
+        1.  [abs()](abs.c)
+        1.  [malloc()](malloc.c)
+        1.  [getenv](getenv.c)
+        1.  [offsetof()](offsetof.c)
     1.  [string.h](string_h.c)
     1.  [ctype.h](ctype_h.c)
     1.  [time.h](time_h.c)
@@ -120,8 +120,8 @@
     1.  [setjmp.h](setjmp_h.c)
 1.  Applications
     1.  [Design patterns](design_patterns.c)
-        1. [Polymorphism](polymorphism.c)
-        1. [C++ templates](template_cpp.c)
+        1.  [Polymorphism](polymorphism.c)
+        1.  [C++ templates](template_cpp.c)
     1.  [String to int](string_to_int.c)
     1.  [User input](interactive/user_input.c.off)
     1.  [Memory layout](memory_layout.c)

c/common.h

@@ -22,7 +22,6 @@
 #include <time.h> /* time() */
 #include <wchar.h>
 #if __STDC_VERSION__ >= 199901L
-  /* Not yet implemented in GCC 5.2. */
 # ifndef __STDC_NO_COMPLEX__
 #  include <complex.h>
 # endif

c/interactive/abort.c

@@ -1,20 +1,19 @@
-/*
-# abort
-
-    Raise a SIGABRT, an ANSI C signal which by default kills the program.
-
-        man abort
-
-    Sources:
-
-    - http://stackoverflow.com/questions/397075/what-is-the-difference-between-exit-and-abort
-    - http://stackoverflow.com/questions/3676221/when-abort-is-preferred-over-exit
-
-    Differences from exit: does not run regular program teardown:
-
-    - does not call `atexit` function.
-    - does not call C++ destructors
-*/
+/* # abort
+ *
+ * Raise a SIGABRT, an ANSI C signal which by default kills the program.
+ *
+ *     man abort
+ *
+ * Bibliography:
+ *
+ * - http://stackoverflow.com/questions/397075/what-is-the-difference-between-exit-and-abort
+ * - http://stackoverflow.com/questions/3676221/when-abort-is-preferred-over-exit
+ *
+ * Differences from exit: does not run regular program teardown:
+ *
+ * - does not call `atexit` function.
+ * - does not call C++ destructors
+ */
 
 #include "common.h"
 

c/interactive/clock.c

@@ -1,6 +1,4 @@
-/*
-# clock
-*/
+/* # clock */
 
 #include "common.h"
 
@@ -9,12 +7,11 @@ int main(void) {
     uintmax_t i, j;
 
     t = clock();
-    /*
-    Busy waiting.
-
-    Do something whacky, and then a printf side-effect,
-    so that GCC won't be able to optimize it away.
-    */
+    /* Busy waiting.
+     *
+     * Do something whacky, and then a printf side-effect,
+     * so that GCC won't be able to optimize it away.
+     */
     j = (uintmax_t)time(NULL);
     for (i = 0; i < (uintmax_t)(CLOCKS_PER_SEC * 1000); i++) {
         j += i*i*i - i-j + 1;

c/posix/Makefile

@@ -1,20 +1,24 @@
-#include <stdio.h>
+#include <assert.h>
+#include <stdlib.h>
 
-void a();
-
-/* OK: only declared, not defined. Will use the one in main. */
-void f() { puts("main i"); }
+/* OK: only declared, not defined. Will use the one in notmain. */
+int notmain_add(void);
 
 /* OK: only visible to this file. */
-static void sf() { puts("main si"); }
+static int static_func(void) {
+    return 0x10;
+}
+
+int main_func(void) {
+    return 0x1;
+}
 
-void m() {
-    f();
-    sf();
+int main_add(void) {
+    return main_func() + static_func();
 }
 
 int main(void) {
-    m();
-    a();
-    return 0;
+    assert(main_add() == 0x011);
+    assert(notmain_add() == 0x101);
+    return EXIT_SUCCESS;
 }

c/posix/README.md

@@ -1,15 +1,16 @@
 #include <stdio.h>
 
 /* Link time error: already defined in main. */
-/*int i() { puts("si"); }*/
+/*int main_func() { puts("si"); }*/
 
 /* OK: only declared, not defined. Will use the one in main. */
-void f(void);
+int main_func(void);
 
 /* OK: only visible to this file. */
-static void sf() { puts("a si"); }
+static int static_func(void) {
+    return 0x100;
+}
 
-void a() {
-    f();
-    sf();
+int notmain_add(void) {
+    return static_func() + main_func();
 }