i3: Replace loglevels by a global debug logging
File-limited were not used nor really useful Besides, they are painful to maintain in Makefile rules compared to the benefitnext
Quentin Glidic
Michael Stapelberg
parent
1f682eb9c8
commit
bdc078914b
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@ -1,8 +1,6 @@
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*.o
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tags
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include/loglevels.h
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include/GENERATED_*.h
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loglevels.tmp
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*.swp
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*.gcda
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*.gcno
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36
Makefile
36
Makefile
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@ -6,25 +6,15 @@ include $(TOPDIR)/common.mk
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AUTOGENERATED:=src/cfgparse.tab.c src/cfgparse.yy.c
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FILES:=$(filter-out $(AUTOGENERATED),$(wildcard src/*.c))
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FILES:=$(FILES:.c=.o)
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HEADERS:=$(filter-out include/loglevels.h,$(wildcard include/*.h))
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HEADERS:=$(wildcard include/*.h)
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CMDPARSE_HEADERS:=include/GENERATED_call.h include/GENERATED_enums.h include/GENERATED_tokens.h
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# Recursively generate loglevels.h by explicitly calling make
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# We need this step because we need to ensure that loglevels.h will be
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# updated if necessary, but we also want to save rebuilds of the object
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# files, so we cannot let the object files depend on loglevels.h.
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ifeq ($(MAKECMDGOALS),loglevels.h)
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#UNUSED:=$(warning Generating loglevels.h)
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else
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UNUSED:=$(shell $(MAKE) loglevels.h)
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endif
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SUBDIRS:=i3-msg i3-input i3-nagbar i3-config-wizard i3bar i3-dump-log
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# Depend on the specific file (.c for each .o) and on all headers
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src/%.o: src/%.c ${HEADERS}
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echo "[i3] CC $<"
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$(CC) $(CPPFLAGS) $(CFLAGS) -DLOGLEVEL="((uint64_t)1 << $(shell awk '/$(shell basename $< .c)/ { print NR; exit 0; }' loglevels.tmp))" -c -o $@ $<
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$(CC) $(CPPFLAGS) $(CFLAGS) -c -o $@ $<
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all: i3 subdirs
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@ -42,18 +32,6 @@ subdirs:
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$(MAKE) -C $$dir; \
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done
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loglevels.h:
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echo "[i3] LOGLEVELS"
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for file in $$(ls src/*.c src/*.y src/*.l | grep -v 'cfgparse.\(tab\|yy\).c'); \
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do \
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echo $$(basename $$file .c); \
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done > loglevels.tmp
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(echo "char *loglevels[] = {"; for file in $$(cat loglevels.tmp); \
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do \
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echo "\"$$file\", "; \
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done; \
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echo "};") > include/loglevels.h;
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# The GENERATED_* files are actually all created from a single pass, so all
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# files just depend on the first one.
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include/GENERATED_call.h: generate-command-parser.pl parser-specs/commands.spec
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@ -67,19 +45,19 @@ include/GENERATED_tokens.h: include/GENERATED_call.h
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# and once as an object file for i3.
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src/commands_parser.o: src/commands_parser.c ${HEADERS} ${CMDPARSE_HEADERS}
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echo "[i3] CC $<"
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$(CC) $(CPPFLAGS) $(CFLAGS) $(LDFLAGS) -DTEST_PARSER -DLOGLEVEL="((uint64_t)1 << $(shell awk '/$(shell basename $< .c)/ { print NR; exit 0; }' loglevels.tmp))" -o test.commands_parser $< $(LIBS)
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$(CC) $(CPPFLAGS) $(CFLAGS) -DLOGLEVEL="((uint64_t)1 << $(shell awk '/$(shell basename $< .c)/ { print NR; exit 0; }' loglevels.tmp))" -c -o $@ $<
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$(CC) $(CPPFLAGS) $(CFLAGS) $(LDFLAGS) -DTEST_PARSER -o test.commands_parser $< $(LIBS)
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$(CC) $(CPPFLAGS) $(CFLAGS) -c -o $@ $<
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src/cfgparse.yy.o: src/cfgparse.l src/cfgparse.y.o ${HEADERS}
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echo "[i3] LEX $<"
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$(FLEX) -i -o$(@:.o=.c) $<
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$(CC) $(CPPFLAGS) $(CFLAGS) -DLOGLEVEL="(1 << $(shell awk '/cfgparse.l/ { print NR }' loglevels.tmp))" -c -o $@ $(@:.o=.c)
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$(CC) $(CPPFLAGS) $(CFLAGS) -c -o $@ $(@:.o=.c)
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src/cfgparse.y.o: src/cfgparse.y ${HEADERS}
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echo "[i3] YACC $<"
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$(BISON) --debug --verbose -b $(basename $< .y) -d $<
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$(CC) $(CPPFLAGS) $(CFLAGS) -DLOGLEVEL="(1 << $(shell awk '/cfgparse.y/ { print NR }' loglevels.tmp))" -c -o $@ $(<:.y=.tab.c)
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$(CC) $(CPPFLAGS) $(CFLAGS) -c -o $@ $(<:.y=.tab.c)
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install: all
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@ -129,7 +107,7 @@ dist: distclean
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rm -rf i3-${VERSION}
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clean:
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rm -f src/*.o src/*.gcno src/cmdparse.* src/cfgparse.tab.{c,h} src/cfgparse.yy.c src/cfgparse.{output,dot} loglevels.tmp include/loglevels.h include/GENERATED_*
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rm -f src/*.o src/*.gcno src/cmdparse.* src/cfgparse.tab.{c,h} src/cfgparse.yy.c src/cfgparse.{output,dot} include/GENERATED_*
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(which lcov >/dev/null 2>&1 && lcov -d . --zerocounters) || true
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$(MAKE) -C libi3 clean
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$(MAKE) -C docs clean
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@ -141,7 +141,7 @@ src/load_layout.c::
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Contains code for loading layouts from JSON files.
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src/log.c::
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Handles the setting of loglevels, contains the logging functions.
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Contains the logging functions.
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src/main.c::
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Initializes the window manager.
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@ -4,7 +4,7 @@
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* i3 - an improved dynamic tiling window manager
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* © 2009-2011 Michael Stapelberg and contributors (see also: LICENSE)
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*
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* log.c: Setting of loglevels, logging functions.
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* log.c: Logging functions.
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*
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*/
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#ifndef _LOG_H
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@ -17,9 +17,8 @@
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is, delete the preceding comma */
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#define LOG(fmt, ...) verboselog(fmt, ##__VA_ARGS__)
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#define ELOG(fmt, ...) errorlog("ERROR: " fmt, ##__VA_ARGS__)
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#define DLOG(fmt, ...) debuglog(LOGLEVEL, "%s:%s:%d - " fmt, __FILE__, __FUNCTION__, __LINE__, ##__VA_ARGS__)
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#define DLOG(fmt, ...) debuglog("%s:%s:%d - " fmt, __FILE__, __FUNCTION__, __LINE__, ##__VA_ARGS__)
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extern char *loglevels[];
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extern char *errorfilename;
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extern char *shmlogname;
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extern int shmlog_size;
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@ -32,10 +31,10 @@ extern int shmlog_size;
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void init_logging(void);
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/**
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* Enables the given loglevel.
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* Set debug logging.
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*
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*/
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void add_loglevel(const char *level);
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void set_debug_logging(const bool _debug_logging);
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/**
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* Set verbosity of i3. If verbose is set to true, informative messages will
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@ -47,10 +46,10 @@ void set_verbosity(bool _verbose);
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/**
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* Logs the given message to stdout while prefixing the current time to it,
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* but only if the corresponding debug loglevel was activated.
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* but only if debug logging was activated.
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*
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*/
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void debuglog(uint64_t lev, char *fmt, ...);
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void debuglog(char *fmt, ...);
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/**
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* Logs the given message to stdout while prefixing the current time to it.
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@ -31,7 +31,7 @@ void regex_free(struct regex *regex);
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/**
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* Checks if the given regular expression matches the given input and returns
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* true if it does. In either case, it logs the outcome using LOG(), so it will
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* be visible without any debug loglevel.
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* be visible without debug logging.
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*
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*/
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bool regex_matches(struct regex *regex, const char *input);
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@ -14,7 +14,7 @@ i3-dump-log [-s <socketpath>]
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== DESCRIPTION
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Debug versions of i3 automatically use 1% of your RAM (but 25 MiB max) to store
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full debug loglevel log output. This is extremely helpful for bugreports and
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full debug log output. This is extremely helpful for bugreports and
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figuring out what is going on, without permanently logging to a file.
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With i3-dump-log, you can dump the SHM log to stdout.
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@ -9,7 +9,7 @@ i3 - an improved dynamic, tiling window manager
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== SYNOPSIS
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i3 [-a] [-c configfile] [-C] [-d <loglevel>] [-v] [-V]
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i3 [-a] [-c configfile] [-C] [-d all] [-v] [-V]
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== OPTIONS
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@ -22,8 +22,9 @@ Specifies an alternate configuration file path.
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-C::
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Check the configuration file for validity and exit.
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-d::
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Specifies the debug loglevel. To see the most output, use -d all.
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-d all::
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Enables debug logging.
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The 'all' parameter is present for historical reasons.
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-v::
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Display version number (and date of the last commit).
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@ -427,11 +427,11 @@ struct CommandResult *parse_command(const char *input) {
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/*
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* Logs the given message to stdout while prefixing the current time to it,
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* but only if the corresponding debug loglevel was activated.
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* but only if debug logging was activated.
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* This is to be called by DLOG() which includes filename/linenumber
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*
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*/
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void debuglog(uint64_t lev, char *fmt, ...) {
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void debuglog(char *fmt, ...) {
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va_list args;
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va_start(args, fmt);
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36
src/log.c
36
src/log.c
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@ -4,7 +4,7 @@
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* i3 - an improved dynamic tiling window manager
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* © 2009-2011 Michael Stapelberg and contributors (see also: LICENSE)
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*
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* log.c: Setting of loglevels, logging functions.
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* log.c: Logging functions.
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*
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*/
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#include <stdarg.h>
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@ -29,10 +29,7 @@
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#include "libi3.h"
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#include "shmlog.h"
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/* loglevels.h is autogenerated at make time */
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#include "loglevels.h"
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static uint64_t loglevel = 0;
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static bool debug_logging = false;
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static bool verbose = false;
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static FILE *errorfile;
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char *errorfilename;
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@ -146,26 +143,11 @@ void set_verbosity(bool _verbose) {
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}
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/*
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* Enables the given loglevel.
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* Set debug logging.
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*
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*/
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void add_loglevel(const char *level) {
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/* Handle the special loglevel "all" */
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if (strcasecmp(level, "all") == 0) {
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loglevel = UINT64_MAX;
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return;
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}
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for (int i = 0; i < sizeof(loglevels) / sizeof(char*); i++) {
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if (strcasecmp(loglevels[i], level) != 0)
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continue;
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/* The position in the array (plus one) is the amount of times
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* which we need to shift 1 to the left to get our bitmask for
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* the specific loglevel. */
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loglevel |= (1 << (i+1));
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break;
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}
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void set_debug_logging(const bool _debug_logging) {
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debug_logging = _debug_logging;
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}
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/*
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@ -271,17 +253,17 @@ void errorlog(char *fmt, ...) {
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/*
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* Logs the given message to stdout while prefixing the current time to it,
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* but only if the corresponding debug loglevel was activated.
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* but only if debug logging was activated.
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* This is to be called by DLOG() which includes filename/linenumber
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*
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*/
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void debuglog(uint64_t lev, char *fmt, ...) {
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void debuglog(char *fmt, ...) {
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va_list args;
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if (!logbuffer && !(loglevel & lev))
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if (!logbuffer && !(debug_logging))
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return;
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va_start(args, fmt);
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vlog((loglevel & lev), fmt, args);
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vlog(debug_logging, fmt, args);
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va_end(args);
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}
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@ -318,8 +318,8 @@ int main(int argc, char *argv[]) {
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set_verbosity(true);
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break;
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case 'd':
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LOG("Enabling debug loglevel %s\n", optarg);
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add_loglevel(optarg);
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LOG("Enabling debug logging\n");
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set_debug_logging(true);
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break;
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case 'l':
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/* DEPRECATED, ignored for the next 3 versions (3.e, 3.f, 3.g) */
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@ -367,12 +367,12 @@ int main(int argc, char *argv[]) {
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}
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/* fall-through */
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default:
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fprintf(stderr, "Usage: %s [-c configfile] [-d loglevel] [-a] [-v] [-V] [-C]\n", argv[0]);
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fprintf(stderr, "Usage: %s [-c configfile] [-d all] [-a] [-v] [-V] [-C]\n", argv[0]);
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fprintf(stderr, "\n");
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fprintf(stderr, "\t-a disable autostart ('exec' lines in config)\n");
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fprintf(stderr, "\t-c <file> use the provided configfile instead\n");
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fprintf(stderr, "\t-C validate configuration file and exit\n");
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fprintf(stderr, "\t-d <level> enable debug output with the specified loglevel\n");
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fprintf(stderr, "\t-d all enable debug output\n");
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fprintf(stderr, "\t-L <file> path to the serialized layout during restarts\n");
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fprintf(stderr, "\t-v display version and exit\n");
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fprintf(stderr, "\t-V enable verbose mode\n");
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@ -67,7 +67,7 @@ void regex_free(struct regex *regex) {
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/*
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* Checks if the given regular expression matches the given input and returns
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* true if it does. In either case, it logs the outcome using LOG(), so it will
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* be visible without any debug loglevel.
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* be visible without debug logging.
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*
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*/
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bool regex_matches(struct regex *regex, const char *input) {
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