Add implementation

11 files changed, 605 insertions, 0 deletions

diff --git a/libpkgconf/tests/.gitignore b/libpkgconf/tests/.gitignore
new file mode 100644
index 0000000..2e508a9
--- /dev/null
+++ b/libpkgconf/tests/.gitignore
@@ -0,0 +1,3 @@
+driver
+test/
+test-*/
diff --git a/libpkgconf/tests/api/buildfile b/libpkgconf/tests/api/buildfile
new file mode 100644
index 0000000..3b343e7
--- /dev/null
+++ b/libpkgconf/tests/api/buildfile
@@ -0,0 +1,7 @@
+# file      : tests/api/buildfile
+# copyright : Copyright (c) 2016-2019 Code Synthesis Ltd
+# license   : ISC; see accompanying COPYING file
+
+import libs = libpkgconf%lib{pkgconf}
+
+exe{driver}: {h c}{*} $libs testscript
diff --git a/libpkgconf/tests/api/driver.c b/libpkgconf/tests/api/driver.c
new file mode 100644
index 0000000..b5e42f3
--- /dev/null
+++ b/libpkgconf/tests/api/driver.c
@@ -0,0 +1,187 @@
+/* file      : tests/api/driver.c
+ * copyright : Copyright (c) 2016-2019 Code Synthesis Ltd
+ * license   : ISC; see accompanying COPYING file
+ */
+
+/*
+ * Enable assertions.
+ */
+#ifdef NDEBUG
+#  undef NDEBUG
+#endif
+
+#include <libpkgconf/libpkgconf.h>
+
+#include <stdio.h>   /* printf(), fprintf(), stderr */
+#include <stddef.h>  /* size_t, NULL */
+#include <assert.h>
+#include <string.h>  /* strcmp(), strlen() */
+#include <stdbool.h> /* bool, true, false */
+
+static bool
+error_handler (const char* msg, const pkgconf_client_t* c, const void* d)
+{
+  (void) c; /* Unused. */
+  (void) d; /* Unused. */
+
+  /*
+   * Seems it always have a trailing newline char. Probably it still a good
+   * idea to check if it is. Let's see if it ever be missed.
+   *
+   */
+  fprintf (stderr, "%s", msg);
+  return true;
+}
+
+static void
+frags_print_and_free (pkgconf_list_t* list)
+{
+  pkgconf_node_t *node;
+  PKGCONF_FOREACH_LIST_ENTRY(list->head, node)
+  {
+    pkgconf_fragment_t* frag = node->data;
+    printf("%c %s\n", frag->type, frag->data);
+  }
+
+  pkgconf_fragment_free (list);
+}
+
+static void
+tuples_print (pkgconf_list_t *list)
+{
+  pkgconf_node_t *node;
+  PKGCONF_FOREACH_LIST_ENTRY(list->head, node)
+  {
+    pkgconf_tuple_t *tuple = node->data;
+
+    // Skip the automatically added variable.
+    //
+    if (strcmp (tuple->key, "pcfiledir") != 0)
+      printf("%s %s\n", tuple->key, tuple->value);
+  }
+}
+
+/*
+ * Usage: argv[0] (--cflags|--libs|--vars) <path>
+ *
+ * Print package compiler flags, linker flags or variable name/values one per
+ * line. The specified package file must have .pc extension.
+ *
+ * --cflags
+ *     Print compiler flags in the '<name> <value>' format.
+ *
+ * --libs
+ *     Print linker flags in the '<name> <value>' format.
+ *
+ * --vars
+ *     Print variables in the '<name> <value>' format.
+ */
+int
+main (int argc, const char* argv[])
+{
+  enum
+  {
+    dump_none,
+    dump_cflags,
+    dump_libs,
+    dump_vars
+  } mode = dump_none;
+
+  int i = 1;
+  for (; i < argc; ++i)
+  {
+    const char* o = argv[i];
+
+    if (strcmp (o, "--cflags") == 0)
+    {
+      assert (mode == dump_none);
+      mode = dump_cflags;
+    }
+    else if (strcmp (o, "--libs") == 0)
+    {
+      assert (mode == dump_none);
+      mode = dump_libs;
+    }
+    else if (strcmp (o, "--vars") == 0)
+    {
+      assert (mode == dump_none);
+      mode = dump_vars;
+    }
+    else
+      break;
+  }
+
+  assert (mode != dump_none);
+
+  assert (i + 1 == argc);
+  const char* path = argv[i];
+
+  // Make sure the file has .pc extension.
+  //
+  size_t n = strlen (path);
+  assert (n > 3 && strcmp (path + n - 3, ".pc") == 0);
+
+  pkgconf_client_t* c =
+    pkgconf_client_new (error_handler,
+                        NULL /* error_handler_data */,
+                        pkgconf_cross_personality_default ());
+
+  assert (c != NULL);
+
+  int r = 1;
+  int max_depth = 2000;
+
+  pkgconf_client_set_flags (c, 0);
+  pkgconf_pkg_t* p = pkgconf_pkg_find (c, path);
+
+  if (p != NULL)
+  {
+    int e = PKGCONF_PKG_ERRF_OK;
+
+    switch (mode)
+    {
+    case dump_cflags:
+      {
+        pkgconf_client_set_flags (c, PKGCONF_PKG_PKGF_SEARCH_PRIVATE);
+
+        pkgconf_list_t list = PKGCONF_LIST_INITIALIZER;
+        e = pkgconf_pkg_cflags (c, p, &list, max_depth);
+
+        if (e == PKGCONF_PKG_ERRF_OK)
+          frags_print_and_free (&list);
+
+        pkgconf_client_set_flags (c, 0); /* Restore. */
+        break;
+      }
+    case dump_libs:
+      {
+        pkgconf_list_t list = PKGCONF_LIST_INITIALIZER;
+        e = pkgconf_pkg_libs (c, p, &list, max_depth);
+
+        if (e == PKGCONF_PKG_ERRF_OK)
+          frags_print_and_free (&list);
+
+        break;
+      }
+    case dump_vars:
+      {
+        tuples_print (&p->vars);
+        break;
+      }
+    default:
+      {
+        assert (false);
+      }
+    }
+
+    if (e == PKGCONF_PKG_ERRF_OK)
+      r = 0;
+
+    pkgconf_pkg_unref (c, p);
+  }
+  else
+    fprintf (stderr, "package file '%s' not found or invalid\n", path);
+
+  pkgconf_client_free (c);
+  return r;
+}
diff --git a/libpkgconf/tests/api/testscript b/libpkgconf/tests/api/testscript
new file mode 100644
index 0000000..88d8d3e
--- /dev/null
+++ b/libpkgconf/tests/api/testscript
@@ -0,0 +1,116 @@
+# file      : tests/api/testscript
+# copyright : Copyright (c) 2016-2019 Code Synthesis Ltd
+# license   : ISC; see accompanying COPYING file
+
+: double-quoted
+:
+{
+  +cat <<EOI >=libfoo.pc
+  prefix="C:\\Program   Files\\Foo"
+  exec_prefix=${prefix}
+  var="A\"B" 'C\'D'
+  Name: libfoo
+  Description: Foo library
+  Version: 1.0
+  Libs: "-LC:\\Program   Files\\Foo" "-lC:\\Program   Files\\Foo\\foo"
+  Cflags: "-IC:\\Program   Files\\Foo"
+  EOI
+
+  f = $~/libfoo.pc
+
+  : cflags
+  :
+  $* --cflags $f >>EOO
+  I C:\Program   Files\Foo
+  EOO
+
+  : libs
+  :
+  $* --libs $f >>EOO
+  L C:\Program   Files\Foo
+  l C:\Program   Files\Foo\foo
+  EOO
+
+  : vars
+  :
+  $* --vars $f >>EOO
+  var A"B 'C\'D'
+  exec_prefix C:\\Program   Files\\Foo
+  prefix C:\\Program   Files\\Foo
+  EOO
+}
+
+: single-quoted
+{
+  +cat <<EOI >=libfoo.pc
+  prefix='C:\Program   Files\Foo'
+  exec_prefix=${prefix}
+  var='A\'B' "C\"D"
+  Name: libfoo
+  Description: Foo library
+  Version: 1.0
+  Libs: '-LC:\Program   Files\Foo' '-lC:\Program   Files\Foo\foo'
+  Cflags: '-IC:\Program   Files\Foo'
+  EOI
+
+  f = $~/libfoo.pc
+
+  : cflags
+  :
+  $* --cflags $f >>EOO
+  I C:\Program   Files\Foo
+  EOO
+
+  : libs
+  :
+  $* --libs $f >>EOO
+  L C:\Program   Files\Foo
+  l C:\Program   Files\Foo\foo
+  EOO
+
+  : vars
+  :
+  $* --vars $f >>EOO
+  var A'B "C\"D"
+  exec_prefix C:\Program   Files\Foo
+  prefix C:\Program   Files\Foo
+  EOO
+}
+
+: unquoted
+:
+{
+  +cat <<EOI >=libfoo.pc
+  prefix=C:\\Program\ \ \ Files\\Foo
+  exec_prefix=${prefix}
+  var=X A\'B' "C\"D"
+  Name: libfoo
+  Description: Foo library
+  Version: 1.0
+  Libs: -LC:\\Program\ \ \ Files\\Foo -lC:\\Program\ \ \ Files\\Foo\\foo
+  Cflags: -IC:\\Program\ \ \ Files\\Foo
+  EOI
+
+  f = $~/libfoo.pc
+
+  : cflags
+  :
+  $* --cflags $f >>EOO
+  I C:\Program   Files\Foo
+  EOO
+
+  : libs
+  :
+  $* --libs $f >>EOO
+  L C:\Program   Files\Foo
+  l C:\Program   Files\Foo\foo
+  EOO
+
+  : vars
+  :
+  $* --vars $f >>EOO
+  var X A\'B' "C\"D"
+  exec_prefix C:\\Program\ \ \ Files\\Foo
+  prefix C:\\Program\ \ \ Files\\Foo
+  EOO
+}
diff --git a/libpkgconf/tests/basic/buildfile b/libpkgconf/tests/basic/buildfile
new file mode 100644
index 0000000..5446ccd
--- /dev/null
+++ b/libpkgconf/tests/basic/buildfile
@@ -0,0 +1,7 @@
+# file      : tests/basic/buildfile
+# copyright : Copyright (c) 2016-2019 Code Synthesis Ltd
+# license   : ISC; see accompanying COPYING file
+
+import libs = libpkgconf%lib{pkgconf}
+
+exe{driver}: {h c}{*} $libs testscript
diff --git a/libpkgconf/tests/basic/driver.c b/libpkgconf/tests/basic/driver.c
new file mode 100644
index 0000000..b14e0cc
--- /dev/null
+++ b/libpkgconf/tests/basic/driver.c
@@ -0,0 +1,170 @@
+/* file      : tests/basic/driver.c
+ * copyright : Copyright (c) 2016-2019 Code Synthesis Ltd
+ * license   : ISC; see accompanying COPYING file
+ */
+
+/*
+ * Enable assertions.
+ */
+#ifdef NDEBUG
+#  undef NDEBUG
+#endif
+
+#include <libpkgconf/libpkgconf.h>
+
+#include <stdio.h>   /* printf(), fprintf(), stderr */
+#include <stddef.h>  /* NULL */
+#include <stdlib.h>  /* free() */
+#include <assert.h>
+#include <string.h>  /* strcmp() */
+#include <stdbool.h> /* bool, true, false */
+
+static bool
+error_handler (const char* msg, const pkgconf_client_t* c, const void* d)
+{
+  (void) c; /* Unused. */
+  (void) d; /* Unused. */
+
+  /*
+   * Seems it always have a trailing newline char. Probably it still a good
+   * idea to check if it is. Let's see if it ever be missed.
+   *
+   */
+  fprintf (stderr, "%s", msg);
+  return true;
+}
+
+static void
+print_and_free (pkgconf_list_t* list)
+{
+  char* buf = pkgconf_fragment_render (list,
+                                       true /* escape */,
+                                       NULL /* options */);
+  printf("%s", buf);
+  free (buf);
+
+  pkgconf_fragment_free (list);
+}
+
+/*
+ * Usage: argv[0] [--cflags] [--libs] (--with-path <dir>)* <name>
+ *
+ * Print package compiler and linker flags. If the package name has '.pc'
+ * extension it is interpreted as a file name. Prints all flags, as pkgconf
+ * utility does when --keep-system-libs and --keep-system-cflags are specified.
+ *
+ * --cflags
+ *     Print compiler flags.
+ *
+ * --libs
+ *     Print linker flags.
+ *
+ * --with-path <dir>
+ *     Search through the directory for pc-files. If at least one --with-path
+ *     is specified then the default directories are not searched through.
+ */
+int
+main (int argc, const char* argv[])
+{
+  pkgconf_client_t* c =
+    pkgconf_client_new (error_handler,
+                        NULL /* error_handler_data */,
+                        pkgconf_cross_personality_default ());
+
+  assert (c != NULL);
+
+  bool cflags = false;
+  bool libs = false;
+  bool default_dirs = true;
+  int client_flags = 0;
+
+  int i = 1;
+  for (; i < argc; ++i)
+  {
+    const char* o = argv[i];
+
+    if (strcmp (o, "--cflags") == 0)
+      cflags = true;
+    else if (strcmp (o, "--libs") == 0)
+      libs = true;
+    else if (strcmp (o, "--static") == 0)
+      client_flags = PKGCONF_PKG_PKGF_SEARCH_PRIVATE |
+                     PKGCONF_PKG_PKGF_MERGE_PRIVATE_FRAGMENTS;
+    else if (strcmp (o, "--with-path") == 0)
+    {
+      ++i;
+      assert (i < argc);
+
+      pkgconf_path_add (argv[i], &c->dir_list, /* filter_duplicates */ true);
+      default_dirs = false;
+    }
+    else
+      break;
+  }
+
+  assert (i + 1 == argc);
+  const char* name = argv[i];
+
+  int r = 1;
+  int max_depth = 2000;
+
+  pkgconf_client_set_flags (c, client_flags);
+
+  /*
+   * Bootstrap the package search default paths if not specified explicitly.
+   */
+  if (default_dirs)
+    pkgconf_client_dir_list_build (c, pkgconf_cross_personality_default ());
+
+  pkgconf_pkg_t* p = pkgconf_pkg_find (c, name);
+
+  if (p != NULL)
+  {
+    int e = PKGCONF_PKG_ERRF_OK;
+
+    /*
+     * Print C flags.
+     */
+    if (cflags)
+    {
+      pkgconf_client_set_flags (
+        c,
+        client_flags | PKGCONF_PKG_PKGF_SEARCH_PRIVATE);
+
+      pkgconf_list_t list = PKGCONF_LIST_INITIALIZER;
+      e = pkgconf_pkg_cflags (c, p, &list, max_depth);
+
+      if (e == PKGCONF_PKG_ERRF_OK)
+        print_and_free (&list);
+
+      pkgconf_client_set_flags (c, client_flags); /* Restore. */
+    }
+
+    /*
+     * Print libs.
+     */
+    if (libs && e == PKGCONF_PKG_ERRF_OK)
+    {
+      pkgconf_list_t list = PKGCONF_LIST_INITIALIZER;
+      e = pkgconf_pkg_libs (c, p, &list, max_depth);
+
+      if (e == PKGCONF_PKG_ERRF_OK)
+        print_and_free (&list);
+    }
+
+    if (e == PKGCONF_PKG_ERRF_OK)
+    {
+      r = 0;
+
+      if (cflags || libs)
+        printf ("\n");
+    }
+
+    pkgconf_pkg_unref (c, p);
+  }
+  else
+    fprintf (stderr, "package '%s' not found\n", name);
+
+  pkgconf_client_free (c);
+  return r;
+}
diff --git a/libpkgconf/tests/basic/testscript b/libpkgconf/tests/basic/testscript
new file mode 100644
index 0000000..081647c
--- /dev/null
+++ b/libpkgconf/tests/basic/testscript
@@ -0,0 +1,74 @@
+# file      : tests/basic/testscript
+# copyright : Copyright (c) 2016-2019 Code Synthesis Ltd
+# license   : ISC; see accompanying COPYING file
+
+test.options = --with-path $~
+
++cat <<EOI >=openssl.pc
+prefix=/usr
+exec_prefix=${prefix}
+libdir=${exec_prefix}/lib64
+includedir=${prefix}/include
+
+Name: OpenSSL
+Description: Secure Sockets Layer and cryptography libraries and tools
+Version: 1.0.2g
+Requires: libssl libcrypto
+EOI
+
++cat <<EOI >=libssl.pc
+prefix=/usr
+exec_prefix=${prefix}
+libdir=${exec_prefix}/lib64
+includedir=${prefix}/include
+
+Name: OpenSSL-libssl
+Description: Secure Sockets Layer and cryptography libraries
+Version: 1.0.2g
+Requires.private: libcrypto
+Libs: -L${libdir} -lssl
+Libs.private: -ldl -lz -lgssapi_krb5 -lkrb5 -lcom_err -lk5crypto
+Cflags: -I${includedir} -I/usr/include
+EOI
+
++cat <<EOI >=libcrypto.pc
+prefix=/usr
+exec_prefix=${prefix}
+libdir=${exec_prefix}/lib64
+includedir=${prefix}/include
+
+Name: OpenSSL-libcrypto
+Description: OpenSSL cryptography library
+Version: 1.0.2g
+Requires:
+Libs: -L${libdir} -lcrypto
+Libs.private: -ldl -lz
+Cflags: -I${includedir}
+EOI
+
++cat <<EOI >=libfaulty.pc
+Name: faulty
+Description: Faulty library
+Version: 1.0
+Requires: non-existent
+EOI
+
+: cflags
+:
+$* --cflags openssl >'-I/usr/include '
+
+: libs
+:
+$* --libs openssl >'-L/usr/lib64 -lssl -lcrypto '
+
+: libs-static
+:
+$* --libs --static openssl >'-L/usr/lib64 -lssl -ldl -lz -lgssapi_krb5 -lkrb5 -lcom_err -lk5crypto -L/usr/lib64 -ldl -lz -lcrypto -ldl -lz '
+
+: non-existent
+:
+$* non-existent 2>"package 'non-existent' not found" == 1
+
+: faulty
+:
+$* --cflags libfaulty 2>- == 1
diff --git a/libpkgconf/tests/build/.gitignore b/libpkgconf/tests/build/.gitignore
new file mode 100644
index 0000000..4a730a3
--- /dev/null
+++ b/libpkgconf/tests/build/.gitignore
@@ -0,0 +1,3 @@
+config.build
+root/
+bootstrap/
diff --git a/libpkgconf/tests/build/bootstrap.build b/libpkgconf/tests/build/bootstrap.build
new file mode 100644
index 0000000..a14e33e
--- /dev/null
+++ b/libpkgconf/tests/build/bootstrap.build
@@ -0,0 +1,9 @@
+# file      : tests/build/bootstrap.build
+# copyright : Copyright (c) 2016-2019 Code Synthesis Ltd
+# license   : ISC; see accompanying COPYING file
+
+project = # Unnamed subproject.
+
+using config
+using dist
+using test
diff --git a/libpkgconf/tests/build/root.build b/libpkgconf/tests/build/root.build
new file mode 100644
index 0000000..fa336d1
--- /dev/null
+++ b/libpkgconf/tests/build/root.build
@@ -0,0 +1,24 @@
+# file      : tests/build/root.build
+# copyright : Copyright (c) 2016-2019 Code Synthesis Ltd
+# license   : ISC; see accompanying COPYING file
+
+c.std = 99
+
+using c
+
+h{*}: extension = h
+c{*}: extension = c
+
+if ($c.class == 'msvc')
+{
+  c.poptions += -D_CRT_SECURE_NO_WARNINGS -D_SCL_SECURE_NO_WARNINGS
+  c.coptions += /wd4251 /wd4275 /wd4800
+}
+
+# Every exe{} in this subproject is by default a test.
+#
+exe{*}: test = true
+
+# Specify the test target for cross-testing.
+#
+test.target = $c.target
diff --git a/libpkgconf/tests/buildfile b/libpkgconf/tests/buildfile
new file mode 100644
index 0000000..d48342d
--- /dev/null
+++ b/libpkgconf/tests/buildfile
@@ -0,0 +1,5 @@
+# file      : tests/buildfile
+# copyright : Copyright (c) 2016-2019 Code Synthesis Ltd
+# license   : ISC; see accompanying COPYING file
+
+./: {*/ -build/}