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fb799dfe
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2010-04-23T09:59:22
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Merge remote branch 'ramsay/dev'
* ramsay/dev:
Add a pack index 'virtual function' to fetch an index entry
Add a pack index 'virtual function' to search by file offset
Change the interface of the pack index search function
Add an 64-bit offset table index bounds check for v2 pack index
Add a minimum size check when opening an v2 pack index file
win32: Add separate MinGW and MSVC compatability header files
Makefile: Add support for custom build options in config.mak file
Fix some coding style issues
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5dddf7c8
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2010-04-14T20:41:57
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Add block-sha1 in favour of the mozilla routines
Since block-sha1 from git.git has such excellent performance, we
can also get rid of the openssl dependency. It's rather simple
to add it back later as an optional extra, but we really needn't
bother to pull in the entire ssl library and have to deal with
linking issues now that we have the portable and, performance-wise,
truly excellent block-sha1 code to fall back on.
Since this requires a slight revamp of the build rules anyway, we
take the opportunity to fix including EXTRA_OBJS in the final build
as well.
The block-sha1 code was originally implemented for git.git by
Linus Torvalds <torvalds@linux-foundation.org> and was later
polished by Nicolas Pitre <nico@cam.org>.
Signed-off-by: Andreas Ericsson <ae@op5.se>
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e8cc449f
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2010-02-19T21:49:22
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win32: Add separate MinGW and MSVC compatability header files
Signed-off-by: Ramsay Jones <ramsay@ramsay1.demon.co.uk>
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90d4d2f0
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2010-01-11T19:27:50
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win32: Use an 64-bit file offset type
Signed-off-by: Ramsay Jones <ramsay@ramsay1.demon.co.uk>
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a1c0728d
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2009-12-21T15:54:50
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Add support for the MinGW platform
Signed-off-by: Ramsay Jones <ramsay@ramsay1.demon.co.uk>
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cfe3a027
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2010-01-15T22:07:44
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Use a 64 bit off_t throughout the library and tests on POSIX
Signed-off-by: Ramsay Jones <ramsay@ramsay1.demon.co.uk>
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04e88240
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2009-06-17T22:21:10
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win32: Define the ssize_t type using SSIZE_T if supported
Some win32 compilers define the SSIZE_T type, with the same
meaning and intent as ssize_t. If available, make ssize_t a
synonym of SSIZE_T.
At present, the Digital-Mars compiler is known not to define
SSIZE_T, so we provide an SSIZE_T macro to use in the typedef.
Signed-off-by: Ramsay Jones <ramsay@ramsay1.demon.co.uk>
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8a086f87
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2009-06-14T22:12:20
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win32: Add support for the MS Visual C/C++ compiler
Signed-off-by: Ramsay Jones <ramsay@ramsay1.demon.co.uk>
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502acd16
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2009-03-23T18:37:51
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win32: Add missing include for mkdir() and rmdir()
Signed-off-by: Ramsay Jones <ramsay@ramsay1.demon.co.uk>
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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79ca2edc
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2009-03-20T19:51:48
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win32: Add routines to abstract memory-mapped file functions
In particular, the git__mmap() and git__munmap() routines provide
the interface to platform specific memory-mapped file facilities.
We provide implementations for unix and win32, which can be found
in their own sub-directories.
Signed-off-by: Ramsay Jones <ramsay@ramsay1.demon.co.uk>
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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840fb8b7
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2009-02-18T18:53:48
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win32: fixup some headers to improve win32 compilation
Signed-off-by: Ramsay Jones <ramsay@ramsay1.demon.co.uk>
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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3a33c7b3
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2009-01-02T20:51:47
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Fix snprintf compiler warning on cygwin
As far as gcc is concerned, the "z size specifier" is available as
an extension to the language, which is available with or without any
-std= switch. (I think you have to go back to 2.95 for a version
of gcc which doesn't work.) Many other compilers have this as an
extension as well (ie without the equivalent of -std=c99).
Signed-off-by: Ramsay Jones <ramsay@ramsay1.demon.co.uk>
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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2c4b7707
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2008-12-31T16:06:48
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Add git__fmt as an easier to use snprintf
Checking the return value of snprintf is a pain, as it must be
>= 0 and < sizeof(buffer). git__fmt is a simple wrapper to
perform these checks.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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028ef0de
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2008-12-31T13:20:21
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Add a mutex and atomic counter abstraction and implementations
These abstractions can be used to implement an efficient resource
reference counter and simple mutual exclusion. On pthreads we use
pthread_mutex_t, except when we are also on glibc and can directly
use its asm/atomic.h definitions.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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d44cfd46
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2008-12-31T13:16:31
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Cleanup our header inclusion order to ensure pthread.h is early
If we are using threads we need to make sure pthread.h comes
in before just about anything else. Some platforms enable
macros that alter what other headers define.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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64a47c01
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2008-12-30T23:21:36
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Wrap malloc and friends and report out of memory as GIT_ENOMEM
We now forbid direct use of malloc, strdup or calloc within the
library and instead use wrapper functions git__malloc, etc. to
invoke the underlying library malloc and set git_errno to a no
memory error code if the allocation fails.
In the future once we have pack objects in memory we are likely
to enhance these routines with garbage collection logic to purge
cached pack data when allocations fail. Because the size of the
function will grow somewhat large, we don't want to mark them for
inline as gcc tends to aggressively inline, creating larger than
expected executables.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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064301cc
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2008-12-30T22:07:56
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Fix size_t snprintf warning by using PRIuPTR format macro
This is the correct C99 format code for the size_t type when passed
as an argument to the *printf family. If the platform doesn't
define it, we assume %lu and just cross our fingers that its the
proper setting for a size_t on this system. On most sane platforms,
"unsigned long" is the underlying type of "size_t".
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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a1d34bc0
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2008-12-30T21:49:38
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Support building on Mac OS X by using pthread_getspecific for TLS
The Mach-O format does not permit gcc to implement the __thread
TLS specification, so we must instead emulate it using a single
int cell allocated from memory and stored inside of the thread
specific data associated with the current pthread.
What makes this tricky is git_errno must be a valid lvalue, so
we really need to return a pointer to the caller and deference it
as part of the git_errno macro.
The GCC-specific __attribute__((constructor)) extension is used
to ensure the pthread_key_t is allocated before any Git functions
are executed in the library, as this is necessary to access our
thread specific storage.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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b3039bee
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2008-12-30T21:25:13
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Cleanup formatting in our head files to be more consistent
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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75d58430
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2008-12-18T22:56:14
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Add a file reading routine along with an io buffer type
In particular, the gitfo_read_file() routine can be used to slurp
the complete file contents into an gitfo_buf structure. The buffer
content will be allocated by malloc() and may be released by the
gitfo_free_buf() routine. The io buffer type can be initialised
on the stack with the GITFO_BUF_INIT macro.
Signed-off-by: Ramsay Jones <ramsay@ramsay1.demon.co.uk>
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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5ee2fe77
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2008-12-03T23:53:55
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Add a GIT_PATH_MAX constant
The PATH_MAX symbol is often, but not always, defined
in the <limits.h> header. In particular, on cygwin you
need to include this header to avoid a compilation error.
However, some systems define PATH_MAX to be something as
small as 256, which POSIX is happy to allow, while others
allow much larger values. In general it can vary from
one filesystem to another.
In order to avoid the vagaries of different systems, define
our own symbol.
Signed-off-by: Ramsay Jones <ramsay@ramsay1.demon.co.uk>
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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ae234862
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2008-11-18T22:20:15
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Add an embryo of a TLS-aware error handling system
This adds the per-thread global variable git_errno to the
system, which callers can examine to get information about
an error.
Two helper functions are added to reduce LoC-count for the
library code itself.
Also, some exceptions are made for running sparse on GIT_TLS
definitions, since it doesn't grok thread-local variables at
all.
Signed-off-by: Andreas Ericsson <ae@op5.se>
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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76a8c447
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2008-11-22T14:42:12
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Add internal common.h file
This one pulls in compiler compatibility macros, some
common header files, and also the public common.h header.
C source files are modified to use the private common.h
in favour of the public one.
Signed-off-by: Andreas Ericsson <ae@op5.se>
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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3a2aabdc
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2008-11-22T14:44:47
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Add util.h - utility macros
ARRAY_SIZE() et al go in util.h, included from common.h
Signed-off-by: Andreas Ericsson <ae@op5.se>
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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