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2021-08-25use xopen() to handle fatal open(2) failuresLibravatar René Scharfe1-4/+1
Add and apply a semantic patch for using xopen() instead of calling open(2) and die() or die_errno() explicitly. This makes the error messages more consistent and shortens the code. Signed-off-by: René Scharfe <l.s.r@web.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-04-28builtin/bugreport: don't leak prefixed filenameLibravatar Andrzej Hunt1-3/+5
prefix_filename() returns newly allocated memory, and strbuf_addstr() doesn't take ownership of its inputs. Therefore we have to make sure to store and free prefix_filename()'s result. As this leak is in cmd_bugreport(), we could just as well UNLEAK the prefix - but there's no good reason not to just free it properly. This leak was found while running t0091, see output below: Direct leak of 24 byte(s) in 1 object(s) allocated from: #0 0x49ab79 in realloc /home/abuild/rpmbuild/BUILD/llvm-11.0.0.src/build/../projects/compiler-rt/lib/asan/asan_malloc_linux.cpp:164:3 #1 0x9acc66 in xrealloc wrapper.c:126:8 #2 0x93baed in strbuf_grow strbuf.c:98:2 #3 0x93c6ea in strbuf_add strbuf.c:295:2 #4 0x69f162 in strbuf_addstr ./strbuf.h:304:2 #5 0x69f083 in prefix_filename abspath.c:277:2 #6 0x4fb275 in cmd_bugreport builtin/bugreport.c:146:9 #7 0x4cd91d in run_builtin git.c:467:11 #8 0x4cb5f3 in handle_builtin git.c:719:3 #9 0x4ccf47 in run_argv git.c:808:4 #10 0x4caf49 in cmd_main git.c:939:19 #11 0x69df9e in main common-main.c:52:11 #12 0x7f523a987349 in __libc_start_main (/lib64/libc.so.6+0x24349) Signed-off-by: Andrzej Hunt <ajrhunt@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-12-01builtin/bugreport.c: use thread-safe localtime_r()Libravatar Taylor Blau1-1/+2
To generate its filename, the 'git bugreport' builtin asks the system for the current time with 'localtime()'. Since this uses a shared buffer, it is not thread-safe. Even though 'git bugreport' is not multi-threaded, using localtime() can trigger some static analysis tools to complain, and a quick $ git grep -oh 'localtime\(_.\)\?' -- **/*.c | sort | uniq -c shows that the only usage of the thread-unsafe 'localtime' is in a piece of documentation. So, convert this instance to use the thread-safe version for consistency, and to appease some analysis tools. Signed-off-by: Taylor Blau <me@ttaylorr.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-09-03Merge branch 'jk/slimmed-down'Libravatar Junio C Hamano1-0/+194
Trim an unused binary and turn a bunch of commands into built-in. * jk/slimmed-down: drop vcs-svn experiment make git-fast-import a builtin make git-bugreport a builtin make credential helpers builtins Makefile: drop builtins from MSVC pdb list
2020-08-13make git-bugreport a builtinLibravatar Jeff King1-0/+196
There's no reason that bugreport has to be a separate binary. And since it links against libgit.a, it has a rather large disk footprint. Let's make it a builtin, which reduces the size of a stripped installation from 24MB to 22MB. This also simplifies our Makefile a bit. And we can take advantage of builtin niceties like RUN_SETUP_GENTLY. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>