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We don't need to place 0 in the URL string now that we return a StringRef.

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- URL can go into read only memory now.
- Compilers will fold away all the strstr calls.

llvm-svn: 94887
This commit is contained in:
Benjamin Kramer
2010-01-30 14:01:39 +00:00
parent cbc4e98381
commit a87bdb793e
1 changed files with 13 additions and 18 deletions
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31
clang/lib/Basic/Version.cpp
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@@ -21,27 +21,22 @@ using namespace std;
namespace clang {
llvm::StringRef getClangRepositoryPath() {
static const char *Path = 0;
if (Path)
return Path;
static char URL[] = "$URL$";
char *End = strstr(URL, "/lib/Basic");
static const char URL[] = "$URL$";
const char *URLEnd = URL + strlen(URL);
const char *End = strstr(URL, "/lib/Basic");
if (End)
*End = 0;
URLEnd = End;
End = strstr(URL, "/clang/tools/clang");
if (End)
*End = 0;
char *Begin = strstr(URL, "cfe/");
if (Begin) {
Path = Begin + 4;
return Path;
}
Path = URL;
return Path;
URLEnd = End;
const char *Begin = strstr(URL, "cfe/");
if (Begin)
return llvm::StringRef(Begin + 4, URLEnd - Begin - 4);
return llvm::StringRef(URL, URLEnd - URL);
}