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* Improve errExit error messagesLibravatar Kelvin M. Klann2023-06-28
| | | | | | | | | | | | | | | | | | | | | | | Changes: * Move msg to the end of errExit (right before perror(3p)) * Include the full file path (within the repository) * Add "()" to function name for clarity Before: Error malloc: main.c:123 main: Cannot allocate memory After: Error src/firejail/main.c:123 main(): malloc: Cannot allocate memory Note: This clarifies which is the exact file that the error message comes from, as there are many source files with the same name. For example: $ git ls-files 'src/*/main.c' | wc -l 20
* build: rename MOD vars to EXTRA varsLibravatar Kelvin M. Klann2023-06-24
| | | | | | | | | | | | | | | To make them less confusing, as they are extra dependencies, not files that are specific to the module. Commands used to search and replace: $ git grep -IFlz -e 'MOD_HDRS' -e 'MOD_OBJS' -- src | xargs -0 -I '{}' sh -c "printf '%s\n' \"\$(sed \ -e 's/MOD_HDRS/EXTRA_HDRS/g' \ -e 's/MOD_OBJS/EXTRA_OBJS/g' '{}')\" >'{}'" Added on commit f5b1ccaad ("makefiles: move extra deps into new MOD vars", 2022-05-07) / PR #5478.
* build: move MAKEFLAGS to config.mk.inLibravatar Kelvin M. Klann2023-06-24
| | | | | | | To reduce the amount of boilerplate in the makefiles. This amends commit 9789c263a ("build: disable all built-in implicit make rules", 2023-06-21) / PR #5864.
* build: disable all built-in implicit make rulesLibravatar Kelvin M. Klann2023-06-21
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Use `make -r` to reduce unnecessary filesystem lookups. Overall, this appears to reduce the amount of implicit rule searches by ~93.3% (~97.5% compared to a8f01a383) for the default build and by ~83.3% (~99.3% compared to a8f01a383) for the "man" target (as an example): $ git show --pretty='%h %ai %s' -s a8f01a383 2023-06-20 05:26:23 +0000 Merge pull request #5859 from kmk3/build-remove-retpoline $ ./configure >/dev/null $ make clean >/dev/null && make --debug=i -j 4 | grep -F 'Trying implicit' | wc -l 6798 $ make clean >/dev/null && make --debug=i -j 4 man | grep -F 'Trying implicit' | wc -l 1085 # (in the previous commit) $ make clean >/dev/null && make --debug=i -j 4 | grep -F 'Trying implicit' | wc -l 2535 $ make clean >/dev/null && make --debug=i -j 4 man | grep -F 'Trying implicit' | wc -l 42 # (with this commit applied) $ make clean >/dev/null && make --debug=i -j 4 | grep -F 'Trying implicit' | wc -l 170 $ make clean >/dev/null && make --debug=i -j 4 man | grep -F 'Trying implicit' | wc -l 7 Environment: GNU make 4.4.1-2 on Artix Linux. Note: According to make(1p) in POSIX.1-2017, "If .SUFFIXES does not have any prerequisites, the list of known suffixes shall be cleared.", while "The result of setting MAKEFLAGS in the Makefile is unspecified." Commands used to search and replace: $ git ls-files -z -- '*Makefile*' | xargs -0 -I '{}' sh -c \ "printf '%s\n' \"\$(sed -E \ 's/^(.SUFFIXES:)/\1\nMAKEFLAGS += -r\n/' '{}')\" >'{}'"
* build: disable most built-in implicit make rulesLibravatar Kelvin M. Klann2023-06-21
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Clear `.SUFFIXES:` to reduce unnecessary filesystem lookups. Overall, this appears to reduce the amount of implicit rule searches by ~62% for the default build and by ~96% for the "man" target (as an example): $ git checkout master >/dev/null 2>&1 $ git show --pretty='%h %ai %s' -s a8f01a383 2023-06-20 05:26:23 +0000 Merge pull request #5859 from kmk3/build-remove-retpoline $ ./configure >/dev/null $ make clean >/dev/null && make --debug=i -j 4 | grep -F 'Trying implicit' | wc -l 6798 $ make clean >/dev/null && make --debug=i -j 4 man | grep -F 'Trying implicit' | wc -l 1085 # (with this commit applied) $ make clean >/dev/null && make --debug=i -j 4 | grep -F 'Trying implicit' | wc -l 2535 $ make clean >/dev/null && make --debug=i -j 4 man | grep -F 'Trying implicit' | wc -l 42 Environment: GNU make 4.4.1-2 on Artix Linux. Commands used to search and replace: $ git ls-files -z -- '*Makefile*' | xargs -0 -I '{}' sh -c \ "printf '%s\n' \"\$(sed '1s/^/.SUFFIXES:\n/' '{}')\" >'{}'" See also commit f48886f25 ("build: mark most phony targets as such", 2023-02-01) / PR #5637.
* Move usage text into usage_str varLibravatar Kelvin M. Klann2023-05-14
| | | | | | | | | | | | | | | For consistency and readability. Note: This also makes exactly one extra blank line be printed at the end of every usage text, which is currently only done in the following files: * src/fcopy/main.c * src/fnettrace-dns/main.c * src/fnettrace-icmp/main.c * src/fnettrace-sni/main.c * src/fnettrace/main.c * src/profstats/main.c
* add ipv6 support in --net.printLibravatar netblue302023-03-08
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* codespell github actionLibravatar netblue302023-03-05
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* Fix inconsistent leading spacesLibravatar Kelvin M. Klann2023-02-20
| | | | | | | | | | | | | | | | | | | | | | | | | | | Changes: * Fix spaces being used for indentation in some lines in C * Remove leading spaces before some goto labels * Remove leading spaces before the start of some multiline comments * Change leading spaces to tabs in some multiline macros * Add missing asterisk to some multiline comments (to match other multiline comments and because they are false positives in the commands below) Note: Leading spaces can be used for alignment (such as in function parameters and function arguments in C) and for line continuation (such as in long commands in shell scripts). However, in the above changes the leading spaces are used for other reasons and do not seem to fit with the style used. Commands used to search for errors: $ git grep -In '^ [^*]' | grep -E -v \ -e '(COPYING|README|RELNOTES|configure(.ac)?):' \ -e '^[^:]+.(md|yml|py):' -e '(bash|zsh)_completion/' \ -e '^contrib/syntax/' -e '^etc/templates/.*\.txt:' -e '^m4/' \ -e '^platform/debian/' -e '^src/man/.*\.txt:' \ -e '.*mkrpm.sh:' -e '.*extract_errnos.sh:'
* Fix space before/after tab in indentLibravatar Kelvin M. Klann2023-02-20
| | | | | | | | | | | | | | | | | | | | This fixes all of the "space before tab in indent" errors raised by git: $ git diff --check 4b825dc642cb6eb9a060e54bf8d69288fbee4904..HEAD | grep '^[^+]' | cut -f 3 -d : | LC_ALL=C sort | uniq -c 72 space before tab in indent. Commands used to find the errors: $ git diff --check 4b825dc642cb6eb9a060e54bf8d69288fbee4904..HEAD $ git grep -In "$(printf '\t') " Note: Unlike "space before tab in indent", the reverse ("space after tab in indent") is not reported by git. That is because spaces could be intentionally used for alignment or line continuation, but in some cases they are being used for indentation together with tabs and in others the formatting is misaligned. The second command was used to help find and fix these other issues.
* Update copyright to 2023 (#5664)Libravatar David Fetter2023-02-15
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* makefiles: rename common.mk to prog.mkLibravatar Kelvin M. Klann2022-11-21
| | | | | | | | | | | | For clarity, as it is included by the Makefiles that create programs and non-shared-objects, but not by the ones that create shared objects (see src/so.mk). Commands used to move and search and replace: $ git mv src/common.mk src/prog.mk $ git grep -IFlz 'common.mk' -- src | xargs -0 -I '{}' sh -c \ "printf '%s\n' \"\$(sed 's/common.mk/prog.mk/' '{}')\" >'{}'"
* makefiles: deduplicate many makefiles into common.mkLibravatar Kelvin M. Klann2022-11-21
| | | | | | | | | | The makefiles that both build C programs and include src/common.mk are nearly identical, save for the main target name and for any extra headers and objects that they might use. So move all of their (duplicated) code into src/common.mk, which (other than the "lib" target on src/lib/Makefile) leaves only variables and the includes of config.mk and src/common.mk in place.
* makefiles: deduplicate main target name into new PROG varLibravatar Kelvin M. Klann2022-11-21
| | | | | | | | | | Put the main target name into a new PROG variable, put PROG into a new TARGET variable, make "all" depend on `$(TARGET)` and replace every other occurrence of the main target name with `$(PROG)`. On the makefiles that build non-shared objects, to make them more similar. With this commit, all of their targets are identical (except for the extra "lib" target on src/lib/Makefile).
* makefiles: move extra deps into new MOD varsLibravatar Kelvin M. Klann2022-11-21
| | | | | | | | | | | | | | | | | | | | | | | | | | | | To make the makefiles more similar. That is, add the following new variables: * MOD_HDRS * MOD_SRCS * MOD_OBJS And move existing module-specific header and object dependencies into `MOD_HDRS` and `MOD_OBJS`, respectively. `MOD_SRCS` is added mostly for symmetry/consistency. Note: Use `MOD_` as a prefix instead of `EXTRA_` to avoid confusion, as the latter is currently used for global variables (such as `EXTRA_CFLAGS`), as opposed to module-specific variables. Note2: Add them directly into the HDRS/SRCS/OBJS variables to avoid cluttering the existing recipes with an extra variables unnecessarily. This also allows, for example, referencing all of the object dependencies with `$<` if `$(OBJS)` is the first dependency (at least in GNU make). Note3: Since HDRS/SRCS/OBJS use simple assignment (through `:=`), the MOD variables should appear before including src/common.mk (or src/so.mk).
* makefiles: rename H_FILE_LIST and C_FILE_LISTLibravatar Kelvin M. Klann2022-11-21
| | | | | | | | | | | | | | | | | | | To HDRS and SRCS, respectively. To be more consistent with the OBJS variable. Misc: These names also appear to be more common from the makefiles that I've seen. Commands used to search and replace: git grep -IFlz -e H_FILE_LIST -e C_FILE_LIST -- src | xargs -0 -I '{}' sh -c "printf '%s\n' \"\$(sed \ -e 's/^H_FILE_LIST *=/HDRS =/' \ -e 's/\$(H_FILE_LIST)/\$(HDRS)/g' \ -e 's/^C_FILE_LIST *=/SRCS =/' \ -e 's/\$(C_FILE_LIST:/\$(SRCS:/g' \ '{}')\" >'{}'"
* makefiles: include config.mk directlyLibravatar Kelvin M. Klann2022-11-21
| | | | | | | Instead of including it through src/common.mk. This allows each makefile to directly override any value defined in config.mk.
* makefiles: add generated files as dependenciesLibravatar Kelvin M. Klann2022-06-30
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | With the previous commit ("makefiles: stop failing when config.mk does not exist", 2022-06-23), make will not immediately fail when trying to build a target without having the proper compile-time flags (which are defined on common.mk). For example, when running the command below: make distclean && make It will throw an error only after (mis-)compiling multiple objects. So add a dependency on config.mk on every target that uses output variables (such as @NAME@ / $(NAME)) on its recipe. And add a dependency on config.sh on targets that call shell scripts that use output variables (such as @NAME@ / $NAME). Also, add a recipe for config.mk / config.sh telling to run ./configure, to make it a bit more obvious just in case. With this commit, make will abort earlier, by detecting that the config.mk / config.sh dependency does not exist. This happens before trying to execute the recipe. This also makes the dependencies more accurate, since if config.mk (which defines some CFLAGS) is changed, the CFLAGS may also have changed, so a target that uses CFLAGS should probably be considered out of date in this case anyway. Relates to #5140.
* build: reduce autoconf input files from 32 to 2Libravatar Kelvin M. Klann2022-06-30
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Configure summary: autoconf essentially only parses configure.ac and generates the configure script (that is, the "./configure" shell script). The latter is what actually checks what is available on the system and internally sets the value of the output variables. It then, for every filename foo in AC_CONFIG_FILES (and for every output variable name BAR in AC_SUBST), reads foo.in, replaces every occurrence of `@BAR@` with the value of the shell variable `$BAR` and generates the file foo from the result. After this, configure is finished and `make` could be executed to start the build. Now that (as of #5140) all output variables are only defined on config.mk.in and on config.sh.in, there is no need to generate any makefile nor any other mkfile or shell script at configure time. So rename every "Makefile.in" to "Makefile", mkdeb.sh.in to mkdeb.sh, src/common.mk.in to src/common.mk and leave just config.mk and config.sh as the files to be generated at configure time. This allows editing and committing all makefiles directly, without potentially having to run ./configure in between. Commands used to rename the makefiles: $ git ls-files -z -- '*Makefile.in' | xargs -0 -I '{}' sh -c \ "git mv '{}' \"\$(dirname '{}')/Makefile\"" Additionally, from my (rudimentary) testing, this commit reduces the time it takes to run ./configure by about 20~25% compared to commit 72ece92ea ("Transmission fixes: drop private-lib (#5213)", 2022-06-22). Environment: dash 0.5.11.5-1, gcc 12.1.0-2, Artix Linux, ext4 on an HDD. Commands used for benchmarking each commit: $ : >time_configure && ./configure && make distclean && for i in $(seq 1 10); do { time -p ./configure; } 2>>time_configure; done $ grep real time_configure | awk '{ total += $2 } END { print total/NR }'
* makefiles: define root dir and include relative to itLibravatar Kelvin M. Klann2022-06-12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | A non-absolute path on an include command is always treated as being relative to the directory in which "make" was started in, rather than being relative to the makefile that contains the command. For example, given the following project structure and file contents: * Makefile: include src/foo.mk * src/foo.mk: include bar.mk * src/bar.mk: Running "make" on the root project directory (that is, where "Makefile" is) yields the following: src/foo.mk:1: bar.mk: No such file or directory As "bar.mk" in "include bar.mk" is relative to the current (process) directory (that is, "./bar.mk") and not to where foo.mk is located in ("./src/bar.mk"). So on every makefile that contains an include command, define the root project directory in the ROOT variable and always include relative to it, to later enable any included mkfiles to include other mkfiles without having to worry about the correct path. Commands used to search and replace: $ git grep -Flz 'include ../common.mk' -- src | xargs -0 -I '{}' sh -c \ "printf '%s\n' \"\`sed 's|include ../common.mk|ROOT = ../..\ninclude \$(ROOT)/src/common.mk|' '{}'\`\" >'{}'" Environment: GNU make 4.3-3.1 on Artix Linux
* 2022 copyright updateLibravatar netblue302022-01-07
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* makefiles: make all, clean and distclean PHONYLibravatar Kelvin M. Klann2021-03-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | Avoid a stat() call for each affected target and also potentially speed up parallel builds. From the GNU make manual[1]: > Phony targets are also useful in conjunction with recursive > invocations of make (see Recursive Use of make). In this situation > the makefile will often contain a variable which lists a number of > sub-directories to be built. [...] > The implicit rule search (see Implicit Rules) is skipped for .PHONY > targets. This is why declaring a target as .PHONY is good for > performance, even if you are not worried about the actual file > existing. Commands used to search, replace and cleanup: $ find -type f -name '*Makefile.in' -exec sed -i.bak \ -e 's/^all:/.PHONY: all\nall:/' \ -e 's/^clean:/.PHONY: clean\nclean:/' \ -e 's/^distclean:/.PHONY: distclean\ndistclean:/' '{}' + $ find -type f -name '*Makefile.in.bak' -exec rm '{}' + [1]: https://www.gnu.org/software/make/manual/html_node/Phony-Targets.html
* copyright updateLibravatar startx20172021-02-15
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* non-dumpable pluginsLibravatar smitsohu2021-01-04
| | | | | (hopefully) fixes the issues that led to reverting commits 6abb65d328af61d67361890743190bd4c57f8e3c and 98e42dc6da4e4b1e47ed2aa020012d4dedc1e80e
* Remove unused variablesLibravatar Reiner Herrmann2020-10-14
| | | | | Fixes clang-analyzer warnings: "Although the value stored to 'xxxxx' is used in the enclosing expression, the value is never actually read from 'xxxxx'"
* cleanupLibravatar smitsohu2020-08-17
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* add dumpable warningsLibravatar smitsohu2020-08-17
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* Fix unsigned comparison error (#3174)Libravatar Kristóf Marussy2020-01-27
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* Fix indentation for dhcp client codeLibravatar Kristóf Marussy2020-01-27
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* move copyright to 2020 (part 2) (#3181)Libravatar glitsj162020-01-24
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* Wait for link-local address for DHCPv6Libravatar Kristóf Marussy2020-01-01
| | | | | | | | | | | | | | | | | | dhclient -6 fails if the interface to be configures has no link-local address. This is especially problematic when only DHCPv6 is used (e.g., --ip=none --ip6=dhcp), because the wait for a DHCPv4 lease is usually ample time for the LL address to become available on the IPv6 link. The LL address must not be tenative. Therefore, this patch implements waiting for a non-tentative link-local address in fnet for DHCPv6 configured interfaces. The command fnet waitll <if> waits for an LL address on the interface <if>. Currently, the maximum waiting time is 30 seconds, and the kernel is polled through rtnetlink every 500 milliseconds. These values seem sufficient for virtual bridged networks, e.g., libvirt NAT networks.
* cleanup after scan-buildLibravatar netblue302019-10-31
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* move copyright statement to 2019Libravatar smitsohu2019-02-07
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* Correctly set address length in arp framesLibravatar Nicholas Molloy2019-01-02
| | | | | | | | | | Kernel commit 99137b7 introduced an additional check of the address length. This exposed a bug in the arp code where the address length was being set incorrectly. Now the length is set from the ETH_ALEN constant declared in linux/if_ether.h This fixes #2314
* cleanupLibravatar netblue302018-08-29
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* Replace all possible HTTP links with HTTPSLibravatar Tad2018-08-08
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* fix --net=wlanLibravatar netblue302018-07-25
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* wireless supportLibravatar netblue302018-06-09
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* support wireless interfaces for --netLibravatar netblue302018-06-09
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* fnet fix (merge from LTS branch)Libravatar startx20172018-06-05
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* consolidate makefilesLibravatar netblue302018-03-31
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* support Spectre mitigation patch for gcc compilerLibravatar netblue302018-03-23
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* move copyright statement to 2018Libravatar startx20172018-01-14
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* redirect output messages to stderrLibravatar startx20172017-12-14
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* Improve cross build support by using configured compiler instead of make defaultLibravatar Helmut Grohne2017-07-26
| | | | https://bugs.debian.org/869707
* Remove trailing whitespace from src/Libravatar Fred Barclay2017-05-24
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* --quiet fixesLibravatar startx20172017-04-10
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* copyright 2017Libravatar netblue302017-02-11
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* copyright 2017Libravatar netblue302017-02-11
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* fcopy part 1Libravatar netblue302016-11-16
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