1 files changed, 87 insertions, 0 deletions
diff --git a/include/git/common.h b/include/git/common.h
new file mode 100644
index 000000000..6a1066213
--- /dev/null
+++ b/include/git/common.h
@@ -0,0 +1,87 @@
+/*
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above
+ *   copyright notice, this list of conditions and the following
+ *   disclaimer in the documentation and/or other materials provided
+ *   with the distribution.
+ *
+ * - Neither the name of the Git Development Community nor the
+ *   names of its contributors may be used to endorse or promote
+ *   products derived from this software without specific prior
+ *   written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+ * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef INCLUDE_git_common_h__
+#define INCLUDE_git_common_h__
+
+#ifdef __cplusplus
+# define GIT_BEGIN_DECL  extern "C" {
+# define GIT_END_DECL    }
+#else
+  /** Start declarations in C mode */
+# define GIT_BEGIN_DECL  /* empty */
+  /** End declarations in C mode */
+# define GIT_END_DECL    /* empty */
+#endif
+
+/**
+ * @file git/common.h
+ * @brief Git common platform definitions
+ * @defgroup git_common Git common platform definitions
+ * @ingroup Git
+ * @{
+ */
+GIT_BEGIN_DECL
+
+/** Declare a public function exported for application use. */
+#ifdef __GNUC__
+# define GIT_EXTERN(type) __attribute__((visibility("default"))) type
+#else
+# define GIT_EXTERN(type) type
+#endif
+
+/** Operation completed successfully. */
+#define GIT_SUCCESS 0
+
+/**
+ * Operation failed, with unspecified reason.
+ * This value also serves as the base error code; all other
+ * error codes are subtracted from it such that all errors
+ * are < 0, in typical POSIX C tradition.
+ */
+#define GIT_ERROR -1
+
+/** Input was not a properly formatted Git object id. */
+#define GIT_ENOTOID (GIT_ERROR - 1)
+
+/** Input does not exist in the scope searched. */
+#define GIT_ENOTFOUND (GIT_ERROR - 2)
+
+/** A revision traversal pool. */
+typedef struct git_revp git_revp;
+
+/** @} */
+GIT_END_DECL
+#endif