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* Fix out-of-bounds memory accesses with virtual_root=""John Keeping2013-04-08-18/+25
| | | | | | | | | | | | | | | | The CGit configuration variable virtual_root is normalized so that it does not have a trailing '/' character, but it is allowed to be empty (the empty string and NULL have different meanings here) and there is code that is insufficiently cautious when checking if it ends in a '/': if (virtual_root[strlen(virtual_root) - 1] != '/') Clearly this check is redundant, but rather than simply removing it we get a slight efficiency improvement by switching the normalization so that the virtual_root variable always ends in '/'. Do this with a new "ensure_end" helper. Signed-off-by: John Keeping <john@keeping.me.uk>
* ui-refs.c: Refactor print_tag()Lukas Fleischer2013-04-08-29/+27
| | | | | | | | The code snippets for OBJ_TAG and other object types are almost equivalent. Merge them and use a couple of inline if conditions to select proper fields. Signed-off-by: Lukas Fleischer <cgit@cryptocrack.de>
* ui-refs.c: Remove global header variableLukas Fleischer2013-04-08-6/+0
| | | | | | | | | | | | print_tag_header() is only called from cgit_print_tags() -- the conditional invocation in print_tag() is never executed since print_tag() is only called by cgit_print_tags() which already executes print_tag_header() before (resulting in the global variable being always set in when the condition is evaluated). Remove the global variable and the conditional invocation. Signed-off-by: Lukas Fleischer <cgit@cryptocrack.de>
* html.c: Replace strdup() with xstrdup()Lukas Fleischer2013-04-08-5/+2
| | | | | | | Use the xstrdup() wrapper which already bails out if strdup() returns a NULL pointer. Signed-off-by: Lukas Fleischer <cgit@cryptocrack.de>
* Always #include corresponding .h in .c filesJohn Keeping2013-04-08-8/+20
| | | | | | | | | | | | While doing this, remove declarations from header files where the corresponding definition is declared "static" in order to avoid build errors. Also re-order existing headers in ui-*.c so that the file-specific header always comes immediately after "cgit.h", helping with future consistency. Signed-off-by: John Keeping <john@keeping.me.uk>
* cgit.mk: fix dependency handlingJohn Keeping2013-04-08-0/+8
| | | | | | | | | | | Git calculates the dependency files to be included using a simply expanded Makefile variable, so it does not include the CGit objects that are added after that Makefile has been processed. We therefore need to include the dependency files ourselves in order to get the dependency calculations right. Do this. Signed-off-by: John Keeping <john@keeping.me.uk>
* Makefile: re-include cgit.conf in cgit.mkJohn Keeping2013-04-08-0/+2
| | | | | | | This avoids needed to export every variable that might be used in cgit.mk from the top-level Makefile. Signed-off-by: John Keeping <john@keeping.me.uk>
* Do not unnecessarily strdup() environment variablesLukas Fleischer2013-04-08-15/+10
| | | | | | | | | | This reverts the memory duplication introduced in commit 60a2627, while keeping everything else that has been cleaned up. The environment variables are never modified, so we do not need to call xstrdupn() here. Also, remove xstrdupn() which is no longer needed. Signed-off-by: Lukas Fleischer <cgit@cryptocrack.de>
* Maŕk cgit_environment members constLukas Fleischer2013-04-08-12/+12
| | | | | | | | These reflect the values of environment variables and should never be changed. Add another xstrdup() when we assign environment variables to strings that are potentially non-constant. Signed-off-by: Lukas Fleischer <cgit@cryptocrack.de>
* Return const char * in cgit_{httpscheme, hosturl, rooturl}()Lukas Fleischer2013-04-08-9/+9
| | | | | | | | | | | | The return values of these functions are essentially constant and should never be modified. Note that this will introduce a compiler warning when we try to free the return value of any of these functions. However, given that all of these currently return statically allocated strings in some cases, they need to be refactored before this can be done anyway. Signed-off-by: Lukas Fleischer <cgit@cryptocrack.de>
* Update git to v1.8.2.1John Keeping2013-04-08-5/+6
| | | | | | | | | | | This requires a small change to how we handle notes, but otherwise just works. Note that we can't use anything from v1.8.0 until v1.8.2.1 because some of the symbols that we need for graph drawing were made private in v1.8.0 and this was not reverted until v1.8.2.1. Signed-off-by: John Keeping <john@keeping.me.uk>
* ui-blob: don't segfault when no path is givenJohn Keeping2013-04-07-1/+1
| | | | | | | | | | | | It it possible to inspect blobs by specifying only the SHA-1, and CGit provides links to do so, for example if a tag points directly at a blob. In this case the path_items structure is never used, but creating it still causes strlen to be run on a null pointer. Fix this. This error was introduced by commit c1633c6 (Update git to v1.7.6.5 - 2013-03-02). Signed-off-by: John Keeping <john@keeping.me.uk>
* Convert pager navigation into a unordered listLukas Fleischer2013-03-20-9/+20
| | | | | | | | | | It is common practice and semantically appropriate to use unordered lists for long navigation lists. This also fixes the layout of very long pager navigations in Webkit-based browsers. Signed-off-by: Lukas Fleischer <cgit@cryptocrack.de>
* Makefile: remove CGIT-CFLAGS files in clean stageJason A. Donenfeld2013-03-20-1/+1
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* ui-summary.c: Move urls variable into print_urls()Lukas Fleischer2013-03-20-6/+14
| | | | | | | | | | | There's no need for this variable to be global. Printing the header in print_urls() instead of print_url() allows for moving this variable into print_urls() without having to pass any status to print_url(). Note that this only works as long as we don't call print_urls() more than once. Signed-off-by: Lukas Fleischer <cgit@cryptocrack.de>
* Fix colspan valuesLukas Fleischer2013-03-20-14/+28
| | | | | | | This fixes a couple of minor oversights in previous commits and adjusts all cells using colspan to use the correct width. Signed-off-by: Lukas Fleischer <cgit@cryptocrack.de>
* html: check return value of writeJason A. Donenfeld2013-03-20-2/+3
| | | | | | | This squelches a gcc warning. It's also correct that we check to see if there are any partial or failed writes. For now, we just print a warning to stderr. In the future, perhaps it will prove wise to exit(1) on partial writes.
* ui-shared: squelch compiler warning.Jason A. Donenfeld2013-03-20-0/+1
| | | | | | Since tail is initialized to 0, we will never get a warning on the last if statement, but recent gcc complains anyway. So, we initialize len as well. Future gcc versions should be able to optimize this out anyway.
* cgit.mk: Use SHELL_PATH_SQ to run gen-version.shJohn Keeping2013-03-20-1/+1
| | | | | | | | On some platforms (notably Solaris) /bin/sh doesn't support enough of POSIX for gen-version.sh to run. Git's Makefile provides SHELL_PATH_SQ to address this issue so we just have to use it. Signed-off-by: John Keeping <john@keeping.me.uk>
* cgit.mk: don't rebuild everything if CGIT_VERSION changesJohn Keeping2013-03-20-1/+8
| | | | | | | | | If CGIT_VERSION is in CGIT_CFLAGS then a change in version (for example because you have committed your changes) causes all of the CGit objects to be rebuilt. Avoid this by using EXTRA_CPPFLAGS to add the version for only those files that are affected and make them depend on VERSION. Signed-off-by: John Keeping <john@keeping.me.uk>
* ui-patch: use cgit_version not CGIT_VERSIONJohn Keeping2013-03-20-1/+1
| | | | | | | | We already have a global cgit_version which is set from the #define'd CGIT_VERSION in cgit.c. Change ui-patch.c to use this so that we only need to rebuild cgit.o when the version changes. Signed-off-by: John Keeping <john@keeping.me.uk>
* Makefile: re-use Git's Makefile where possibleJohn Keeping2013-03-20-119/+80
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Git does quite a lot of platform-specific detection in its Makefile, which can result in it defining preprocessor variables that are used in its header files. If CGit does not define the same variables it can result in different sizes of some structures in different places in the same application. For example, on Solaris Git uses it's "compat" regex library which has a different sized regex_t structure than that available in the platform regex.h. This has a knock-on effect on the size of "struct rev_info" and leads to hard to diagnose runtime issues. In order to avoid all of this, introduce a "cgit.mk" file that includes Git's Makefile and make all of the existing logic apply to CGit's objects as well. This is slightly complicated because Git's Makefile must run in Git's directory, so all references to CGit files need to be prefixed with "../". In addition, OBJECTS is a simply expanded variable in Git's Makefile so we cannot just add our objects to it. Instead we must copy the two applicable rules into "cgit.mk". This has the advantage that we can split CGit-specific CFLAGS from Git's CFLAGS and hence avoid rebuilding all of Git whenever a CGit-specific value changes. Signed-off-by: John Keeping <john@keeping.me.uk> Acked-by: Jamie Couture <jamie.couture@gmail.com>
* tests: check that Git version are in syncJohn Keeping2013-03-20-0/+36
| | | | | | | | This ensures that the Git version pointed at by the submodule is the same as the one that will be fetched using "make get-git". Suggested-by: Ferry Huberts <ferry.huberts@pelagic.nl> Signed-off-by: John Keeping <john@keeping.me.uk>
* Merge branch 'wip'Jason A. Donenfeld2013-03-20-111/+125
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| * cgit_print_snapshot_links(): Free prefix variableLukas Fleischer2013-03-04-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fixes following memory leak seen with "PATH_INFO=/cgit/commit/": ==16894== 12 bytes in 1 blocks are definitely lost in loss record 9 of 92 ==16894== at 0x4C2C04B: malloc (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so) ==16894== by 0x56F2DF1: strdup (in /usr/lib/libc-2.17.so) ==16894== by 0x46CAC8: xstrdup (wrapper.c:35) ==16894== by 0x414E34: cgit_print_snapshot_links (ui-shared.c:926) ==16894== by 0x40CFA1: cgit_print_commit (ui-commit.c:102) ==16894== by 0x407B06: commit_fn (cmd.c:54) ==16894== by 0x405E16: process_request (cgit.c:574) ==16894== by 0x4074C8: cache_process (cache.c:322) ==16894== by 0x406C4F: main (cgit.c:872) Signed-off-by: Lukas Fleischer <cgit@cryptocrack.de>
| * cgit_print_commit(): Free tmp variableLukas Fleischer2013-03-04-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fixes following memory leak seen with "PATH_INFO=/cgit/commit/": ==16894== 7 bytes in 1 blocks are definitely lost in loss record 4 of 92 ==16894== at 0x4C2C04B: malloc (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so) ==16894== by 0x56F2DF1: strdup (in /usr/lib/libc-2.17.so) ==16894== by 0x46CAC8: xstrdup (wrapper.c:35) ==16894== by 0x40CD6F: cgit_print_commit (ui-commit.c:70) ==16894== by 0x407B06: commit_fn (cmd.c:54) ==16894== by 0x405E16: process_request (cgit.c:574) ==16894== by 0x4074C8: cache_process (cache.c:322) ==16894== by 0x406C4F: main (cgit.c:872) Signed-off-by: Lukas Fleischer <cgit@cryptocrack.de>
| * cgit_print_tree(): Free curr_rev after usageLukas Fleischer2013-03-04-2/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fixes following memory leak seen with "PATH_INFO=/cgit/tree/": ==15715== 7 bytes in 1 blocks are definitely lost in loss record 4 of 51 ==15715== at 0x4C2C04B: malloc (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so) ==15715== by 0x56F2DF1: strdup (in /usr/lib/libc-2.17.so) ==15715== by 0x46CAA8: xstrdup (wrapper.c:35) ==15715== by 0x418A4C: cgit_print_tree (ui-tree.c:274) ==15715== by 0x407D91: tree_fn (cmd.c:131) ==15715== by 0x405E16: process_request (cgit.c:574) ==15715== by 0x4074C8: cache_process (cache.c:322) ==15715== by 0x406C4F: main (cgit.c:872) Signed-off-by: Lukas Fleischer <cgit@cryptocrack.de>
| * find_default_branch(): Free refmatch after usageLukas Fleischer2013-03-04-0/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fixes following memory leak seen with "PATH_INFO=/cgit/refs/": ==13408== 7 bytes in 1 blocks are definitely lost in loss record 4 of 52 ==13408== at 0x4C2C04B: malloc (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so) ==13408== by 0x56F2DF1: strdup (in /usr/lib/libc-2.17.so) ==13408== by 0x46CA78: xstrdup (wrapper.c:35) ==13408== by 0x405840: find_current_ref (cgit.c:426) ==13408== by 0x44BE5A: do_one_ref (refs.c:527) ==13408== by 0x44D3E0: do_for_each_ref_in_dir (refs.c:553) ==13408== by 0x44D85A: do_for_each_ref (refs.c:1298) ==13408== by 0x405889: find_default_branch (cgit.c:438) ==13408== by 0x405AC4: prepare_repo_cmd (cgit.c:490) ==13408== by 0x405D97: process_request (cgit.c:557) ==13408== by 0x407490: cache_process (cache.c:322) ==13408== by 0x406C18: main (cgit.c:864) Signed-off-by: Lukas Fleischer <cgit@cryptocrack.de>
| * print_tag_downloads(): Free ref variableLukas Fleischer2013-03-04-1/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Make sure the ref variable is freed if we build a "$basename-$version"-style ref. This fixes following memory leak seen with "PATH_INFO=/cgit/refs/": ==8784== 323 bytes in 29 blocks are definitely lost in loss record 41 of 53 ==8784== at 0x4C2C04B: malloc (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so) ==8784== by 0x56F2DF1: strdup (in /usr/lib/libc-2.17.so) ==8784== by 0x46CA28: xstrdup (wrapper.c:35) ==8784== by 0x410DA6: print_tag_downloads (ui-refs.c:115) ==8784== by 0x410F02: print_tag (ui-refs.c:141) ==8784== by 0x41128B: cgit_print_tags (ui-refs.c:230) ==8784== by 0x41134D: cgit_print_refs (ui-refs.c:250) ==8784== by 0x407C85: refs_fn (cmd.c:105) ==8784== by 0x405DDF: process_request (cgit.c:566) ==8784== by 0x407490: cache_process (cache.c:322) ==8784== by 0x406C18: main (cgit.c:864) Signed-off-by: Lukas Fleischer <cgit@cryptocrack.de>
| * Free reflists after usageLukas Fleischer2013-03-04-0/+41
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Free reflists in cgit_print_branches() and in cgit_print_tags() before returning reflist structures to the stack. This fixes following memory leaks seen with "PATH_INFO=/cgit/refs/": ==5710== 1,312 (32 direct, 1,280 indirect) bytes in 1 blocks are definitely lost in loss record 63 of 71 ==5710== at 0x4C2C04B: malloc (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so) ==5710== by 0x4C2C2FF: realloc (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so) ==5710== by 0x46CA9B: xrealloc (wrapper.c:100) ==5710== by 0x40AAA6: cgit_add_ref (shared.c:156) ==5710== by 0x40ABC4: cgit_refs_cb (shared.c:186) ==5710== by 0x44BCBA: do_one_ref (refs.c:527) ==5710== by 0x44D240: do_for_each_ref_in_dir (refs.c:553) ==5710== by 0x44D6BA: do_for_each_ref (refs.c:1298) ==5710== by 0x410FE2: cgit_print_branches (ui-refs.c:191) ==5710== by 0x4111E9: cgit_print_refs (ui-refs.c:244) ==5710== by 0x407C85: refs_fn (cmd.c:105) ==5710== by 0x405DDF: process_request (cgit.c:566) ==5710== ==5710== 6,846 (256 direct, 6,590 indirect) bytes in 1 blocks are definitely lost in loss record 68 of 71 ==5710== at 0x4C2C25E: realloc (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so) ==5710== by 0x46CA9B: xrealloc (wrapper.c:100) ==5710== by 0x40AAA6: cgit_add_ref (shared.c:156) ==5710== by 0x40ABC4: cgit_refs_cb (shared.c:186) ==5710== by 0x44BCBA: do_one_ref (refs.c:527) ==5710== by 0x44D240: do_for_each_ref_in_dir (refs.c:553) ==5710== by 0x44D6EC: do_for_each_ref (refs.c:1288) ==5710== by 0x4110D5: cgit_print_tags (ui-refs.c:218) ==5710== by 0x4111FD: cgit_print_refs (ui-refs.c:246) ==5710== by 0x407C85: refs_fn (cmd.c:105) ==5710== by 0x405DDF: process_request (cgit.c:566) ==5710== by 0x407490: cache_process (cache.c:322) Signed-off-by: Lukas Fleischer <cgit@cryptocrack.de>
| * ui-shared.c: Remove unused function print_archive_ref()Lukas Fleischer2013-03-04-39/+0
| | | | | | | | | | | | This is no longer used as of commit f135569b. Signed-off-by: Lukas Fleischer <cgit@cryptocrack.de>
| * ui-shared.c: Remove unused function cgit_currurl()Lukas Fleischer2013-03-04-12/+0
| | | | | | | | | | | | This is no longer used as of commit 0c8e184e. Signed-off-by: Lukas Fleischer <cgit@cryptocrack.de>
| * Mark several functions/variables staticLukas Fleischer2013-03-04-60/+64
| | | | | | | | | | | | Spotted by parsing the output of `gcc -Wmissing-prototypes [...]`. Signed-off-by: Lukas Fleischer <cgit@cryptocrack.de>
* | ui-shared: fix return type of cgit_self_linkJohn Keeping2013-03-20-41/+42
|/ | | | | | | | | | | | | | cgit_self_link() is a void function but implements each case it handles by doing "return <another_void_function>" which is not valid C; section 6.8.6.4 of C11 says: A return statement with an expression shall not appear in a function whose return type is void. Fix this by removing the return keywords and converting the final code block into an "else". Signed-off-by: John Keeping <john@keeping.me.uk>
* t0107-snapshot: add tests for ZIP archivesJohn Keeping2013-03-04-2/+37
| | | | Signed-off-by: John Keeping <john@keeping.me.uk>
* tests: make whitespace consistentJohn Keeping2013-03-04-14/+17
| | | | Signed-off-by: John Keeping <john@keeping.me.uk>
* tests: "grep -e" is not portable to all platformsJohn Keeping2013-03-04-55/+55
| | | | | | | | The "-e" option to grep is not needed unless specifying more than one pattern, which we don't do. Remove it to avoid restricting the tests on platforms that do not have a grep that recognises "-e". Signed-off-by: John Keeping <john@keeping.me.uk>
* Makefile: Disable gettext in the Git submoduleLukas Fleischer2013-03-04-1/+1
| | | | | | | | | | | | | | | Newer libgit versions depend on the libintl library. However, we currently do not link against libintl which breaks compilation under OpenBSD: git/libgit.a(commit.o)(.text+0x1d1b): In function `lookup_commit_or_die': git/gettext.h:47: undefined reference to `libintl_gettext' [...] Since we do not support i18n in cgit, just disable gettext in the Git submodule to fix this. Signed-off-by: Lukas Fleischer <cgit@cryptocrack.de>
* Makefile: improve dependency generationJamie Couture2013-03-04-70/+82
| | | | | | | | | | | | | | | | | | | | Makefile target generation would always be included for any makefile target that was not clean. Only care to include the '.deps' directory when building cgit, rather than generating and including dependencies when calling other makefile targets. Heavily borrowed from git's Makefile, but without definitions to test for the compiler's header dependency feature. Previous Makefile implementation never checked for this compiler feature anyway. - Removed makecmdgoal 'clean' check - Grouped like .PHONY target definitions - Place build dependency targets under .SUFFIXES - Re-arranged location of library inclusion definitions - Use google code mirror instead of github Signed-off-by: Jamie Couture <jamie.couture@gmail.com> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
* cgit.c: Remove parameter from guess_defbranch()Lukas Fleischer2013-03-04-2/+2
| | | | | | We use resolve_ref() since commit 8d7c2ec2, so this is no longer needed. Signed-off-by: Lukas Fleischer <cgit@cryptocrack.de>
* ui-tree.c: Use a context structure in walk_tree()Lukas Fleischer2013-03-04-22/+29
| | | | | | | | | | Use the context pointer to pass context information instead of misusing global variables, as we already did in "ui-blob.c" and in "ui-plain.c". In addition to the fixes to walk_tree(), pass the same structure to ls_tree() and ls_item() which is read_tree_recursive()-based as well. Signed-off-by: Lukas Fleischer <cgit@cryptocrack.de>
* ui-tree.c: Drop the header variableLukas Fleischer2013-03-04-6/+2
| | | | | | | Instead, use the value of the state variable to determine whether the footer needs to be drawn. Signed-off-by: Lukas Fleischer <cgit@cryptocrack.de>
* ui-tree.c: Declare the state variable globallyLukas Fleischer2013-03-04-1/+2
| | | | | | | | | | | This allows for removing the header variable in a following patch. We can use the state variable to check whether the tail needs to be printed instead. Note that the state variable will be moved into a context structure later. Signed-off-by: Lukas Fleischer <cgit@cryptocrack.de>
* ui-tree.c: Pass current revision to print_object()Lukas Fleischer2013-03-04-3/+3
| | | | | | | | | | No longer access the global curr_rev variable in print_object(). This will make it easier to squash the curr_rev variable into a context structure without having to pass the context to the print_object() function. Signed-off-by: Lukas Fleischer <cgit@cryptocrack.de>
* ui-plain.c: Use a context structure in walk_tree()Lukas Fleischer2013-03-04-13/+20
| | | | | | | | Do not misuse global variables to save the context. Instead, use the context pointer which was designed to share information between a read_tree_fn and the caller. Signed-off-by: Lukas Fleischer <cgit@cryptocrack.de>
* ui-plain.c: Do not access match variable in print_*()Lukas Fleischer2013-03-04-12/+14
| | | | | | | | | Move all code setting the match variable to walk_tree(). This allows for easily moving this variable into a context structure without having to pass the context to print_*(). Signed-off-by: Lukas Fleischer <cgit@cryptocrack.de>
* ui-blob.c: Use a context structure in walk_tree()Lukas Fleischer2013-03-04-16/+26
| | | | | | | | | | | | Do not misuse global variables to save the context. Instead, use the context pointer which was designed to share information between a read_tree_fn and the caller. This also prevents from potential misuse of the global pointers match_path and matched_sha1 after the referenced values have been overwritten on the stack. Signed-off-by: Lukas Fleischer <cgit@cryptocrack.de>
* ui-snapshot.c: Fill argv[0] with dummy.Jason A. Donenfeld2013-03-04-0/+1
| | | | | | | | | parse_archive_args does not pass PARSE_OPT_KEEP_ARGV0 to parse_args, which means the first argument will be discarded, as though it were a function being called from the command-line. Thus, we fill argv[0] with a dummy argument to prevent this from happening. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
* White space around control verbs.Jason A. Donenfeld2013-03-04-42/+42
| | | | Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
* Fix several whitespace errorsLukas Fleischer2013-03-04-99/+99
| | | | | | | | | | * Remove whitespace at the end of lines. * Replace space indentation by tabs. * Add whitespace before/after several operators ("+", "-", "*", ...) * Add whitespace to assignments ("foo = bar;"). * Fix whitespace in parameter lists ("foobar(foo, bar, 42)"). Signed-off-by: Lukas Fleischer <cgit@cryptocrack.de>
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