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43 Commits

Author SHA1 Message Date
Nick Kledzik
18497e9242 Add permissions(), map_file_pages(), and unmap_file_pages() to llvm::sys::fs and add unit test. Unix is implemented. Windows side needs to be implemented. 
llvm-svn: 158770
 2012-06-20 00:28:54 +00:00
Benjamin Kramer
172f80849f Use access(2) instead of stat(2) to check if a file exists. 
Apart from being slightly cheaper, this fixes a real bug that hits 32 bit
linux systems. When passing a file larger than 2G to be linked (which isn't
that uncommon with large projects such as WebKit), clang's driver checks
if the file exists but the file size doesn't fit in an off_t and stat(2)
fails with EOVERFLOW. Clang then says that the file doesn't exist instead
of passing it to the linker.

llvm-svn: 157891
 2012-06-02 16:28:09 +00:00
Eric Christopher
b6148ed72c Allow unique_file to take a mode for file permissions, but default 
to user only read/write.

Part of rdar://11325849

llvm-svn: 156591
 2012-05-11 00:07:44 +00:00
Daniel Dunbar
58ed0c6c09 [Support] Fix up comments. 
llvm-svn: 156239
 2012-05-05 16:39:22 +00:00
Daniel Dunbar
3f0fa19bc4 [Support] Rewrite sys::fs::unique_file to not be stupid with /dev/urandom. 
- Just use sys::Process::GetRandomNumber instead of having two poor
   implementations.
 - This is ~70 times (!) faster on my OS X machine.

llvm-svn: 156238
 2012-05-05 16:36:24 +00:00
Sylvestre Ledru
3099f4bda8 Conflict with st_dev/st_ino identifiers under Debian GNU/Hurd 
The problem is that the struct file_status on UNIX systems has two
members called st_dev and st_ino; those are also members of the
struct stat, and they are reserved identifiers which can also be
provided as #define (and this is the case for st_dev on Hurd).
The solution (attached) is to rename them, for example adding a
"fs_" prefix (= file status) to them.

Patch by Pino Toscano

llvm-svn: 155354
 2012-04-23 16:37:23 +00:00
Sylvestre Ledru
14ada94682 Fix the build under Debian GNU/Hurd. 
Thanks to Pino Toscano for the patch

llvm-svn: 154500
 2012-04-11 15:35:36 +00:00
David Blaikie
18544b9614 Change default error_code ctor to a 'named ctor' so it's more self-documenting. 
Unify default construction of error_code uses on this idiom so that users don't
feel compelled to make static globals for naming convenience. (unfortunately I
couldn't make the original ctor private as some APIs don't return their result,
instead using an out parameter (that makes sense to default construct) - which
is a bit of a pity. I did, however, find/fix some cases of unnecessary default
construction of error_code before I hit the unfixable cases)

llvm-svn: 150197
 2012-02-09 19:24:12 +00:00
Chad Rosier
531042840d Revert r146363 to allow buildbots to make forward progress. 
Original commit message:
Support/FileSystem: Implement canonicalize.

llvm-svn: 146378
 2011-12-12 17:58:31 +00:00
Michael J. Spencer
203d7807a8 Support/FileSystem: Implement bool equivalent(file_status A, file_status B); 
llvm-svn: 146364
 2011-12-12 06:04:28 +00:00
Michael J. Spencer
32ef4d2e1b Support/FileSystem: Implement canonicalize. 
llvm-svn: 146363
 2011-12-12 06:04:01 +00:00
Michael J. Spencer
0a7625d661 Support/FileSystem: Implement recursive_directory_iterator and make 
directory_iterator preserve InputIterator semantics on copy.

llvm-svn: 146200
 2011-12-08 22:50:09 +00:00
Bill Wendling
bdaa57fe6d Include limits.h to make sure PATH_MAX is known on Solaris 10. 
Patch by Joakim Johansson!

llvm-svn: 139743
 2011-09-14 21:49:42 +00:00
Argyrios Kyrtzidis
348937de07 Add an optional 'bool makeAbsolute' in llvm::sys::fs::unique_file function. 
If true and 'model' parameter is not an absolute path, a temp directory will be prepended.
Make it true by default to match current behaviour.

llvm-svn: 136310
 2011-07-28 00:29:20 +00:00
Andrew Trick
a4ec5b2c19 revert r128199 until it can be made to work with Frontend/dependency-gen.c. 
llvm-svn: 128218
 2011-03-24 16:43:37 +00:00
Michael J. Spencer
e42162ad59 Remove all uses of PATH_MAX and MAXPATHLEN from PathV2. 
llvm-svn: 128199
 2011-03-24 05:23:40 +00:00
Douglas Gregor
56b2ffdaba Rip out realpath() support. It's expensive, and often a bad idea, and 
I have another way to achieve the same goal.

llvm-svn: 125239
 2011-02-09 23:33:15 +00:00
Cameron Zwarich
f73f5ba21c Attempt to fix the build after r125228. 
llvm-svn: 125236
 2011-02-09 23:02:14 +00:00
Douglas Gregor
529329e859 Add llvm::sys::path::canonical(), which provides the canonicalized 
name of a path, after resolving symbolic links and eliminating excess
path elements such as "foo/../" and "./".

This routine still needs a Windows implementation, but I don't have a
Windows machine available. Help? Please?

llvm-svn: 125228
 2011-02-09 22:11:23 +00:00
Michael J. Spencer
ec202ee69a Fix rename. 
llvm-svn: 123604
 2011-01-16 22:18:41 +00:00
Michael J. Spencer
ee1699c362 Support/PathV2: Implement get_magic. 
llvm-svn: 123544
 2011-01-15 18:52:33 +00:00
Michael J. Spencer
52714863db Support/PathV2: Implement directory iteration on POSIX. 
llvm-svn: 122879
 2011-01-05 16:38:57 +00:00
Michael J. Spencer
f616b218c8 Support/PathV2: Change most functions in the path namespace to return their work 
via their return value instead of an out parameter.

llvm-svn: 121149
 2010-12-07 17:04:04 +00:00
Michael J. Spencer
1e090f0b8f Support/PathV2: Remove the error_code return type from all functions in the path 
namespace. None of them return anything except for success anyway. These will be
converted to returning their result soon.

llvm-svn: 121109
 2010-12-07 03:57:37 +00:00
Michael J. Spencer
f27da4e578 Support/Unix/PathV2: Return the real error from realpath instead of any error 
that close or unlink set.

llvm-svn: 121094
 2010-12-07 01:23:39 +00:00
Michael J. Spencer
e5755beb47 Support/Unix/PathV2: Use 0770 instead of 0700 when creating a directory. Also use 
the standard macros instead of octal notation.

llvm-svn: 121093
 2010-12-07 01:23:29 +00:00
Michael J. Spencer
98c7a114de Support/PathV2: Use SmallVector::clear instead of set_size. 
llvm-svn: 121092
 2010-12-07 01:23:19 +00:00
Michael J. Spencer
5529c57cfe Support/PathV2: Clarify and correct documentation. 
llvm-svn: 121091
 2010-12-07 01:23:08 +00:00
Michael J. Spencer
20daa28344 Support/PathV2: Move current_path from path to fs and fix the Unix implementation. 
Unix bug spotted by Dan Gohman.

llvm-svn: 121090
 2010-12-07 01:22:31 +00:00
Michael J. Spencer
66a1f86f7a Support/PathV2: Remove redundant calls to make_error_code. 
llvm-svn: 120913
 2010-12-04 18:45:32 +00:00
Michael J. Spencer
db5576a185 Support/FileSystem: Add status implementation. 
llvm-svn: 120870
 2010-12-04 00:32:40 +00:00
Michael J. Spencer
818ab4aad4 Support/FileSystem: Add file_size implementation. 
llvm-svn: 120867
 2010-12-04 00:31:48 +00:00
Michael J. Spencer
376d38753d Support/FileSystem: Add equivalent implementation. 
llvm-svn: 120827
 2010-12-03 18:49:13 +00:00
Michael J. Spencer
c20a0325f3 Support/FileSystem: Add resize_file implementation. 
llvm-svn: 120819
 2010-12-03 17:54:07 +00:00
Michael J. Spencer
409f556a2f Support/FileSystem: Add rename implementation. 
llvm-svn: 120818
 2010-12-03 17:53:55 +00:00
Michael J. Spencer
6e74e11c85 Support/FileSystem: Add remove implementation. 
llvm-svn: 120817
 2010-12-03 17:53:43 +00:00
Michael J. Spencer
7ee6d5d6a1 Support/FileSystem: Add create_symlink implementation. 
llvm-svn: 120800
 2010-12-03 07:41:25 +00:00
Michael J. Spencer
e0c4560b50 Support/FileSystem: Add create_hard_link implementation. 
llvm-svn: 120792
 2010-12-03 05:58:41 +00:00
Michael J. Spencer
31e310cda0 Support/FileSystem: Add create_director{y,ies} implementations. 
llvm-svn: 120790
 2010-12-03 05:42:11 +00:00
Michael J. Spencer
4571040ea1 Support/FileSystem: Add unique_file and exists implementations. 
llvm-svn: 120776
 2010-12-03 01:21:28 +00:00
Michael J. Spencer
795adf5061 Support/FileSystem: Fix copy_file implementation to use toNullTerminatedStringRef 
instead of toStringRef. The file system APIs need c strings.

llvm-svn: 120601
 2010-12-01 20:37:42 +00:00
Michael J. Spencer
9fc1d9dcc3 Support/FileSystem: Add copy_file implementation. Not tests yet because the 
file creation APIs aren't implemented.

llvm-svn: 120593
 2010-12-01 19:32:01 +00:00
Michael J. Spencer
ebad2f9d36 Support: Add PathV2 implementation. 
llvm-svn: 120329
 2010-11-29 22:28:51 +00:00