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2018-09-11stdlib: Add secure_getenv alias to __secure_getenvSamuel Holland2-0/+9
Signed-off-by: Samuel Holland <samuel@sholland.org>
2018-09-11readlink: Report EIO on /proc read failureSamuel Holland2-0/+2
Signed-off-by: Samuel Holland <samuel@sholland.org>
2018-09-11realpath: Intercept realpath(/proc/self/exe)Samuel Holland3-2/+55
Reuse the machinery from readlink Signed-off-by: Samuel Holland <samuel@sholland.org>
2018-09-11readlink: Report ENOSYS on dlsym failureSamuel Holland2-0/+8
Signed-off-by: Samuel Holland <samuel@sholland.org>
2018-09-11ctype: Add __ctype_bSamuel Holland3-0/+8
Signed-off-by: Samuel Holland <samuel@sholland.org>
2018-09-11cxx_thread: Add __cxa_thread_atexit_implSamuel Holland3-0/+62
Signed-off-by: Samuel Holland <samuel@sholland.org>
2018-07-08Merge branch 'master' into 'master' A. Wilcox2-0/+36
string: add memfrob and strfry This adds two missing glibc string functions. See merge request !2
2018-06-21string: add memfrob and strfryJason A. Donenfeld2-0/+36
2018-06-13string: add __strcspn_c2A. Wilcox2-0/+23
2018-06-13resolv: add __res_search aliasA. Wilcox2-0/+12
2018-04-03Update changelogElizabeth Myers1-0/+6
2018-04-03malloc: add malloc_trim functionElizabeth Myers1-0/+6
2018-04-03Fix stupid blunder in the changelogElizabeth Myers1-0/+5
2018-04-03socket: fix buildElizabeth Myers1-0/+1
2018-04-03Update changelogElizabeth Myers1-1/+1
2018-04-03socket: __poll_chkElizabeth Myers1-0/+13
2018-04-03Fix silly type in Contribution GuideA. Wilcox1-2/+2
2018-04-03Update CHANGELOGA. Wilcox1-0/+6
2018-04-03math: implement most of glibc's __*_finite functionsElizabeth Myers1-2/+1090
These are supposed to be specialisations for speed, but these are just faked. Some warnings were added too, if they return infinite values. As a side effect of this change, scalbl is also now implemented. As noted, not all functions are implemented; the big two blockers are an implementation of j0l and y0l; I imagine Bessel functions aren't too widely used, so I doubt that many things will want them. Someone (not it) can implement them later.
2018-04-03GCOMPAT__assert_with_reason: omit format parameterElizabeth Myers1-2/+2
__VA_ARGS__ expects one or more arguments; this is a cheesy hack to allow passing only a format string (which is often all you need for small asserts).
2018-03-16README: document WITH_LIBUCONTEXT variableWilliam Pitcock1-6/+7
2018-03-16CHANGELOG: note libucontext supportWilliam Pitcock1-0/+9
2018-03-16build: allow building with libucontext supportWilliam Pitcock2-2/+13
2018-02-23gnulib: use GCOMPAT__assert_with_reason() instead of bare assert()William Pitcock1-2/+10
2018-02-23libgcompat: add internal api for GCOMPAT__panic().William Pitcock3-0/+33
2018-02-20CHANGELOG: update for 0.2.00.2.0A. Wilcox1-1/+9
2018-02-15CONTRIBUTING: gcompat development is actually gcompat@lists.adelielinux.org nowWilliam Pitcock1-1/+1
2018-02-08loader: quiet some valgrind warningsWilliam Pitcock1-3/+3
2018-02-07misc: implement __libc_stack_endWilliam Pitcock1-0/+2
2018-02-07loader: gracefully handle user-exec of the ELF interpreter itselfWilliam Pitcock1-0/+12
2018-02-01socket: add __cmsg_nxthdrA. Wilcox2-0/+16
2018-02-01malloc: add __sbrkA. Wilcox2-0/+12
2018-02-01CHANGELOG: update copyright year, add smaeul's laundry list :)A. Wilcox1-3/+156
2018-02-01Merge branch 'patch-1' into 'master' A. Wilcox33-389/+1713
Clean up everything and add lots of new functions I hope everything here is okay. I fixed some bugs in existing functions (mostly wrong prototypes or off-by-one errors) and formatted everything to a consistent style. If you'd like me to adjust the style, that's no problem. It wasn't very consistent to start with (within the code, and compared to the documentation). *I added specific notes you may want to comment on to some of the commit messages.* Major features: * Pass correct `argv[0]` in loader * Intercept `readlink("/proc/self/exe")` to allow re-exec * Add almost all reasonable-to-implement functions in LSB 5.0.0 core generic libc. Remaining functions are: - Impossible-to-implement: sigreturn - Not useful: reentrant random (`*rand48_r`, etc.), argz, envz, pmap, rpc (clnt_*, svc*, xdr*), bindresvport - Got tired of it: checked wchar * Add additional functions used by android and its NDK tools (clang, cmake, lldb, ninja, etc.). At this point, I am able to run Android Studio with the bundled prebuilt JDK, and compile, install, and run an android application (including one with native libraries) on a real device, with only a few minor issues: * must export `LD_LIBRARY_PATH=/opt/android-studio/jre/jre/lib/amd64/server` because musl and glibc interpret the variable differently with regards to `dlopen`. This is something that has to be patched in musl builds of openjdk, so it's not a gcompat issue. * ld.bfd fails to parse the argument `--sysroot=/path`, but can parse `--sysroot /path`. So there's some difference with `getopt_long_only` (or getopt in general). May be a bug, may be just an API difference. May be it can be patched up. * LLDB fails to connect to the android phone for native debugging -- I haven't tried it on glibc yet, so it may not be a gcompat issue at all (may be a phone or the app issue). I'd be happy to send some documentation later. See merge request !1
2018-01-15stdlib: add __strtol_internalWilliam Pitcock1-0/+10
Signed-off-by: Samuel Holland <samuel@sholland.org>
2018-01-15readlink: Intercept readlink("/proc/self/exe")Samuel Holland2-0/+86
This allows programs run through gcompat to fork and re-exec themselves. It fixes readlink("/proc/self/exe") to return the executable's absolute path, instead of musl's path. Signed-off-by: Samuel Holland <samuel@sholland.org>
2018-01-15utmp: Implement the reentrant utmp function from LSBSamuel Holland2-0/+15
This takes advantage of the (lack of a) musl implementation for simplicity. Signed-off-by: Samuel Holland <samuel@sholland.org>
2018-01-15unistd: Implement LSB functions plus moreSamuel Holland2-0/+173
On musl pread and pread64 are the same thing. Signed-off-by: Samuel Holland <samuel@sholland.org>
2018-01-15syslog: Implement checked syslog functions from LSBSamuel Holland2-0/+33
Signed-off-by: Samuel Holland <samuel@sholland.org>
2018-01-15socket: Implement checked socket functions from LSBSamuel Holland2-0/+32
Signed-off-by: Samuel Holland <samuel@sholland.org>
2018-01-15signal: Add a signal function from LSBSamuel Holland2-0/+12
The other unimplemented signal function in LSB is sigreturn, with is not really implementable. Signed-off-by: Samuel Holland <samuel@sholland.org>
2018-01-15netdb: Add protocol and service functions from LSBSamuel Holland2-0/+80
These take advantage of the musl implementation for simplicity. Signed-off-by: Samuel Holland <samuel@sholland.org>
2018-01-15misc: Implement some miscellaneous functionsSamuel Holland2-0/+34
Signed-off-by: Samuel Holland <samuel@sholland.org>
2018-01-15error: Implement the error functionSamuel Holland2-0/+28
This follows the exceptionally-detailed functional description in the manual page. Signed-off-by: Samuel Holland <samuel@sholland.org>
2018-01-15version: Minor improvementsSamuel Holland1-5/+17
* Document functions and sort by name. * Explicitly include stddef.h. Signed-off-by: Samuel Holland <samuel@sholland.org>
2018-01-15string: Clean up, fix bugs, implement LSB plus moreSamuel Holland1-38/+199
* Add all checked string functions from LSB, plus those found in use in other applications. Document those functions from LSB as such. * Use a consistent structure and paramater names for all functions. * Fix multiple off-by-one errors. * Use a less hacky and more optimized rawmemchr. * Sort functions by name. Signed-off-by: Samuel Holland <samuel@sholland.org>
2018-01-15stdlib: Implement most LSB functions plus moreSamuel Holland2-18/+107
* Fix prototype of __realpath_chk. * Add all strto* functions from LSB, plus the ones thata were previously incorrectly in string.c The main missing LSB functions are the reentrant random functions, which should not be used anyway. Signed-off-by: Samuel Holland <samuel@sholland.org>
2018-01-15stdio: Clean up, add all of LSB stdio plus moreSamuel Holland3-82/+234
* Add all (non-wchar) stdio functions from LSB, plus those found in use in other applications. Document those functions from LSB as such. * Use a consistent structure and paramater names for all functions. * flag == 0 means FORTIFY_SOURCE=1, so the implemented checks should be unconditional. * Add all possible checks without parsing the format string. * Move functions from wchar.h to their own appropriately-named file. Signed-off-by: Samuel Holland <samuel@sholland.org>
2018-01-15resource: Minor improvementsSamuel Holland1-4/+5
* Make function pointer static. * Only initialize function pointer once. Signed-off-by: Samuel Holland <samuel@sholland.org>
2018-01-15resolv: Clean up, avoid NULL derefSamuel Holland1-8/+16
* Make comment style consistent with the rest of the project, and remove outdated header name. * Remove "static inline" from functions (this is no longer a header). * Check statp for NULL in res_ninit like in res_nclose. Signed-off-by: Samuel Holland <samuel@sholland.org>
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