From 69ffe15ed63280ad879a65d9f992f82fdcd1f8b1 Mon Sep 17 00:00:00 2001 From: Bruno Raoult Date: Thu, 12 Aug 2021 09:34:38 +0200 Subject: [PATCH] C: leap --- c/leap/GNUmakefile | 51 ++++++++++++++++++++++++++++++++++++++ c/leap/README.md | 62 ++++++++++++++++++++++++++++++++++++++++++++++ c/leap/makefile | 37 +++++++++++++++++++++++++++ c/leap/src/leap.c | 24 ++++++++++++++++++ c/leap/src/leap.h | 20 +++++++++++++++ 5 files changed, 194 insertions(+) create mode 100644 c/leap/GNUmakefile create mode 100644 c/leap/README.md create mode 100644 c/leap/makefile create mode 100644 c/leap/src/leap.c create mode 100644 c/leap/src/leap.h diff --git a/c/leap/GNUmakefile b/c/leap/GNUmakefile new file mode 100644 index 0000000..ec085d0 --- /dev/null +++ b/c/leap/GNUmakefile @@ -0,0 +1,51 @@ +# The original 'makefile' has a flaw: +# 1) it overrides CFLAGS +# 2) it does not pass extra "FLAGS" to $(CC) that could come from environment +# +# It means : +# - we need to edit 'makefile' for different builds (DEBUG, etc...), which is +# not practical at all. +# - Also, it does not allow to run all tests without editing the test source +# code. +# +# To use this makefile (GNU make only): +# "make": build with all predefined tests (without editing test source code) +# "make debugall": build with all predefined tests and debug code +# "make mem": perform memcheck with all tests enabled +# "make unit": build standalone (unit) test +# "make debug": build standalone test with debugging code +# +# Original 'makefile' targets can be used (test, memcheck, clean, ...) + +.PHONY: default all mem unit debug std debugtest + +default: all + +# default is to build with all predefined tests +BUILD := teststall + +include makefile + +all: CFLAGS+=-DTESTALL +all: clean test + +debugall: CFLAGS+=-DDEBUG +debugall: all + +debugtest: CFLAGS+=-DDEBUG +debugtest: test + +mem: CFLAGS+=-DTESTALL +mem: clean memcheck + +unit: CFLAGS+=-DUNIT_TEST +unit: clean std + +debug: CFLAGS+=-DUNIT_TEST -DDEBUG +debug: clean std + +debugtest: CFLAGS+=-DDEBUG +debugtest: test + +std: src/*.c src/*.h + $(CC) $(CFLAGS) src/*.c -o test.out diff --git a/c/leap/README.md b/c/leap/README.md new file mode 100644 index 0000000..e9f5e7b --- /dev/null +++ b/c/leap/README.md @@ -0,0 +1,62 @@ +# Leap + +Given a year, report if it is a leap year. + +The tricky thing here is that a leap year in the Gregorian calendar occurs: + +```text +on every year that is evenly divisible by 4 + except every year that is evenly divisible by 100 + unless the year is also evenly divisible by 400 +``` + +For example, 1997 is not a leap year, but 1996 is. 1900 is not a leap +year, but 2000 is. + +## Notes + +Though our exercise adopts some very simple rules, there is more to +learn! + +For a delightful, four minute explanation of the whole leap year +phenomenon, go watch [this youtube video][video]. + +[video]: http://www.youtube.com/watch?v=xX96xng7sAE + +## Getting Started + +Make sure you have read the "Guides" section of the +[C track][c-track] on the Exercism site. This covers +the basic information on setting up the development environment expected +by the exercises. + +## Passing the Tests + +Get the first test compiling, linking and passing by following the [three +rules of test-driven development][3-tdd-rules]. + +The included makefile can be used to create and run the tests using the `test` +task. + + make test + +Create just the functions you need to satisfy any compiler errors and get the +test to fail. Then write just enough code to get the test to pass. Once you've +done that, move onto the next test. + +As you progress through the tests, take the time to refactor your +implementation for readability and expressiveness and then go on to the next +test. + +Try to use standard C99 facilities in preference to writing your own +low-level algorithms or facilities by hand. + +## Source + +JavaRanch Cattle Drive, exercise 3 [http://www.javaranch.com/leap.jsp](http://www.javaranch.com/leap.jsp) + +## Submitting Incomplete Solutions +It's possible to submit an incomplete solution so you can see how others have completed the exercise. + +[c-track]: https://exercism.io/my/tracks/c +[3-tdd-rules]: http://butunclebob.com/ArticleS.UncleBob.TheThreeRulesOfTdd diff --git a/c/leap/makefile b/c/leap/makefile new file mode 100644 index 0000000..f34535a --- /dev/null +++ b/c/leap/makefile @@ -0,0 +1,37 @@ +### If you wish to use extra libraries (math.h for instance), +### add their flags here (-lm in our case) in the "LIBS" variable. + +LIBS = -lm + +### +CFLAGS = -std=c99 +CFLAGS += -g +CFLAGS += -Wall +CFLAGS += -Wextra +CFLAGS += -pedantic +CFLAGS += -Werror +CFLAGS += -Wmissing-declarations +CFLAGS += -DUNITY_SUPPORT_64 + +ASANFLAGS = -fsanitize=address +ASANFLAGS += -fno-common +ASANFLAGS += -fno-omit-frame-pointer + +.PHONY: test +test: tests.out + @./tests.out + +.PHONY: memcheck +memcheck: test/*.c src/*.c src/*.h + @echo Compiling $@ + @$(CC) $(ASANFLAGS) $(CFLAGS) src/*.c test/vendor/unity.c test/*.c -o memcheck.out $(LIBS) + @./memcheck.out + @echo "Memory check passed" + +.PHONY: clean +clean: + rm -rf *.o *.out *.out.dSYM + +tests.out: test/*.c src/*.c src/*.h + @echo Compiling $@ + @$(CC) $(CFLAGS) src/*.c test/vendor/unity.c test/*.c -o tests.out $(LIBS) diff --git a/c/leap/src/leap.c b/c/leap/src/leap.c new file mode 100644 index 0000000..e503a22 --- /dev/null +++ b/c/leap/src/leap.c @@ -0,0 +1,24 @@ +#include "leap.h" + +/* already dont in meetup exercise */ +bool leap_year(int y) +{ + return ((y % 4) || + (y % 400 && !(y % 100)))? false: true; +} + + +/* See GNUmakefile below for explanation + * https://github.com/braoult/exercism/blob/master/c/templates/GNUmakefile + */ +#ifdef UNIT_TEST +int main(int ac, char **av) +{ + int arg=1, i; + + for (; arg + +bool leap_year(int year); + +/* See GNUmakefile below for explanation + * https://github.com/braoult/exercism/blob/master/c/templates/GNUmakefile + */ +#if defined UNIT_TEST || defined DEBUG +#include +#include +#endif +#ifdef TESTALL +#undef TEST_IGNORE +#define TEST_IGNORE() {} +#endif + +#endif