From f3e3f21db19512067ee9f6b7b99eae16d907bed2 Mon Sep 17 00:00:00 2001 From: Douglas Gregor Date: Wed, 9 Feb 2011 23:33:15 +0000 Subject: [PATCH] Rip out realpath() support. It's expensive, and often a bad idea, and I have another way to achieve the same goal. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125239 91177308-0d34-0410-b5e6-96231b3b80d8 --- include/llvm/Support/PathV2.h | 9 --------- lib/Support/Unix/PathV2.inc | 30 ------------------------------ 2 files changed, 39 deletions(-) diff --git a/include/llvm/Support/PathV2.h b/include/llvm/Support/PathV2.h index 976fa6a7b25..3866e410e62 100644 --- a/include/llvm/Support/PathV2.h +++ b/include/llvm/Support/PathV2.h @@ -244,15 +244,6 @@ const StringRef filename(StringRef path); /// @result The stem of \a path. const StringRef stem(StringRef path); -/// Convert path to a canonical form, resolving symbolic links and removing -/// unnecessary path elements (e.g., "foo/../", "./"). -/// -/// @param path A path that is going to be canonicalized by resolving symlinks -/// and removing unnecessary path elements (e.g., "./"). -/// -/// @param buffer The resulting canonical path. -void canonical(const char *path, SmallVectorImpl &result); - /// @brief Get extension. /// /// If filename contains a dot but not solely one or two dots, result is the diff --git a/lib/Support/Unix/PathV2.inc b/lib/Support/Unix/PathV2.inc index 3a3a438d05b..03ff28367e4 100644 --- a/lib/Support/Unix/PathV2.inc +++ b/lib/Support/Unix/PathV2.inc @@ -503,35 +503,5 @@ error_code get_magic(const Twine &path, uint32_t len, } } // end namespace fs - -namespace path { - -void canonical(const char *path, SmallVectorImpl &buffer) { - buffer.resize(PATH_MAX); - char *result = realpath(path, buffer.data()); - if (result) { - buffer.resize(strlen(result)); - return; - } - - // A common extension is to support memory allocation of the result when - // passing NULL as the second argument. - result = realpath(path, 0); - if (result) { - size_t length = strlen(result); - buffer.resize(length); - memcpy(buffer.data(), result, length); - free(result); - return; - } - - size_t length = strlen(path); - buffer.resize(length); - memcpy(buffer.data(), path, length); - return; -} - -} // end namespace path - } // end namespace sys } // end namespace llvm -- 2.34.1