* 64-bit compatibility fixes (for problems revealed by building on an Athlon

64 running 64-bit SUSE).  A patched ATerm library is required to run Nix
  succesfully.
This commit is contained in:
Eelco Dolstra 2006-05-11 02:19:43 +00:00
parent e3c07782d1
commit 9d72bf8835
10 changed files with 21 additions and 20 deletions

View file

@ -488,9 +488,9 @@ static string relativise(Path pivot, Path p)
/* Otherwise, `p' is in a parent of `pivot'. Find up till which
path component `p' and `pivot' match, and add an appropriate
number of `..' components. */
unsigned int i = 1;
string::size_type i = 1;
while (1) {
unsigned int j = pivot.find('/', i);
string::size_type j = pivot.find('/', i);
if (j == string::npos) break;
j++;
if (pivot.substr(0, j) != p.substr(0, j)) break;

View file

@ -212,7 +212,7 @@ static void readTempRoots(PathSet & tempRoots, FDs & fds)
string contents = readFile(*fd);
/* Extract the roots. */
unsigned int pos = 0, end;
string::size_type pos = 0, end;
while ((end = contents.find((char) 0, pos)) != string::npos) {
Path root(contents, pos, end - pos);

View file

@ -46,7 +46,7 @@ static void readSettings()
line += contents[pos++];
pos++;
unsigned int hash = line.find('#');
string::size_type hash = line.find('#');
if (hash != string::npos)
line = string(line, 0, hash);

View file

@ -99,7 +99,7 @@ PathSet scanForReferences(const string & path, const PathSet & paths)
have the form `HASH-bla'). */
for (PathSet::const_iterator i = paths.begin(); i != paths.end(); i++) {
string baseName = baseNameOf(*i);
unsigned int pos = baseName.find('-');
string::size_type pos = baseName.find('-');
if (pos == string::npos)
throw Error(format("bad reference `%1%'") % *i);
string s = string(baseName, 0, pos);

View file

@ -243,7 +243,7 @@ Path toStorePath(const Path & path)
{
if (!isInStore(path))
throw Error(format("path `%1%' is not in the Nix store") % path);
unsigned int slash = path.find('/', nixStore.size() + 1);
Path::size_type slash = path.find('/', nixStore.size() + 1);
if (slash == Path::npos)
return path;
else
@ -563,7 +563,7 @@ static Hash queryHash(const Transaction & txn, const Path & storePath)
{
string s;
nixDB.queryString(txn, dbValidPaths, storePath, s);
unsigned int colon = s.find(':');
string::size_type colon = s.find(':');
if (colon == string::npos)
throw Error(format("corrupt hash `%1%' in valid-path entry for `%2%'")
% s % storePath);

View file

@ -111,34 +111,35 @@ void ATermMap::copy(KeyValue * elements, unsigned int capacity)
}
/* !!! use a bigger shift for 64-bit platforms? */
static const unsigned int shift = 16;
static const unsigned int knuth = (unsigned int) (0.6180339887 * (1 << shift));
static const unsigned long knuth = (unsigned long) (0.6180339887 * (1 << shift));
unsigned int ATermMap::hash1(ATerm key) const
unsigned long ATermMap::hash1(ATerm key) const
{
/* Don't care about the least significant bits of the ATerm
pointer since they're always 0. */
unsigned int key2 = ((unsigned int) key) >> 2;
unsigned long key2 = ((unsigned long) key) >> 2;
/* Approximately equal to:
double d = key2 * 0.6180339887;
unsigned int h = (int) (capacity * (d - floor(d)));
*/
unsigned int h = (capacity * ((key2 * knuth) & ((1 << shift) - 1))) >> shift;
unsigned long h = (capacity * ((key2 * knuth) & ((1 << shift) - 1))) >> shift;
return h;
}
unsigned int ATermMap::hash2(ATerm key) const
unsigned long ATermMap::hash2(ATerm key) const
{
unsigned int key2 = ((unsigned int) key) >> 2;
unsigned long key2 = ((unsigned long) key) >> 2;
/* Note: the result must be relatively prime to `capacity' (which
is a power of 2), so we make sure that the result is always
odd. */
unsigned int h = ((key2 * 134217689) & (capacity - 1)) | 1;
unsigned long h = ((key2 * 134217689) & (capacity - 1)) | 1;
return h;
}

View file

@ -113,8 +113,8 @@ private:
void copy(KeyValue * elements, unsigned int capacity);
inline unsigned int hash1(ATerm key) const;
inline unsigned int hash2(ATerm key) const;
inline unsigned long hash1(ATerm key) const;
inline unsigned long hash2(ATerm key) const;
};

View file

@ -119,7 +119,7 @@ Path canonPath(const Path & path, bool resolveSymlinks)
Path dirOf(const Path & path)
{
unsigned int pos = path.rfind('/');
Path::size_type pos = path.rfind('/');
if (pos == string::npos)
throw Error(format("invalid file name: %1%") % path);
return pos == 0 ? "/" : Path(path, 0, pos);
@ -128,7 +128,7 @@ Path dirOf(const Path & path)
string baseNameOf(const Path & path)
{
unsigned int pos = path.rfind('/');
Path::size_type pos = path.rfind('/');
if (pos == string::npos)
throw Error(format("invalid file name %1% ") % path);
return string(path, pos + 1);

View file

@ -350,7 +350,7 @@ static void queryInstSources(EvalState & state,
DrvInfo elem;
elem.attrs = shared_ptr<ATermMap>(new ATermMap(0)); /* ugh... */
string name = baseNameOf(*i);
unsigned int dash = name.find('-');
string::size_type dash = name.find('-');
if (dash != string::npos)
name = string(name, dash + 1);

View file

@ -19,7 +19,7 @@ static int parseName(const string & profileName, const string & name)
{
if (string(name, 0, profileName.size() + 1) != profileName + "-") return -1;
string s = string(name, profileName.size() + 1);
unsigned int p = s.find("-link");
string::size_type p = s.find("-link");
if (p == string::npos) return -1;
int n;
if (string2Int(string(s, 0, p), n) && n >= 0)