more basics + build stuff

This commit is contained in:
Christoph J. Scherr 2023-10-30 10:30:53 +01:00
parent 367f5a3aab
commit f0ffe26987
5 changed files with 93 additions and 42 deletions

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@ -5,44 +5,47 @@ set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib)
set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib) set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib)
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin) set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin)
include_directories(${PROJECT_SOURCE_DIR}) include_directories(${PROJECT_SOURCE_DIR})
add_executable( abc src/abc.c ) add_executable( abc src/abc.c )
add_executable( adder src/adder.c ) add_executable( adder src/adder.c )
add_executable( args src/args.c ) add_executable( args src/args.c )
add_executable( arrToBin src/arrToBin.c ) add_executable( arrToBin src/arrToBin.c )
add_executable( ascii src/ascii.c ) add_executable( ascii src/ascii.c )
add_executable( calculator src/calculator.c ) add_executable( calculator src/calculator.c )
add_executable( callreference src/callreference.c ) add_executable( callreference src/callreference.c )
add_executable( circular_shift src/circular_shift.c ) add_executable( circular_shift src/circular_shift.c )
add_executable( complex src/complex.c ) add_executable( complex src/complex.c )
add_executable( dividableBy7 src/dividableBy7.c ) add_executable( dividableBy7 src/dividableBy7.c )
add_executable( structdump src/structdump.c ) add_executable( structdump src/structdump.c )
add_executable( echo src/echo.c ) add_executable( echo src/echo.c )
add_executable( echochar src/echochar.c ) add_executable( echochar src/echochar.c )
add_executable( euler src/euler.c ) add_executable( euler src/euler.c )
add_executable( factorial src/factorial.c ) add_executable( factorial src/factorial.c )
add_executable( fail src/fail.c ) add_executable( fail src/fail.c )
add_executable( fread src/fread.c ) add_executable( fread src/fread.c )
add_executable( hello-world src/hello-world.c ) add_executable( hello-world src/hello-world.c )
add_executable( options src/options.c ) add_executable( options src/options.c )
add_executable( pointermagic src/pointermagic.c ) add_executable( pointermagic src/pointermagic.c )
add_executable( primenumbers src/primenumbers.c ) add_executable( primenumbers src/primenumbers.c )
add_executable( print-syste-constants src/print-system-constants.c) add_executable( print-syste-constants src/print-system-constants.c)
add_executable( quersumme src/quersumme.c ) add_executable( quersumme src/quersumme.c )
add_executable( readfile src/readfile.c ) add_executable( readfile src/readfile.c )
add_executable( redefinition src/redefinition.c ) add_executable( redefinition src/redefinition.c )
add_executable( redefinition-if src/redefinition-if.c ) add_executable( redefinition-if src/redefinition-if.c )
add_executable( return-specified src/return-specified.c ) add_executable( return-specified src/return-specified.c )
add_executable( scanf-test src/scanf-test.c ) add_executable( scanf-test src/scanf-test.c )
add_executable( scnaf-hex-test src/scnaf-hex-test.c ) add_executable( scnaf-hex-test src/scnaf-hex-test.c )
add_executable( signed-to-unsigned src/signed-to-unsigned.c ) add_executable( signed-to-unsigned src/signed-to-unsigned.c )
add_executable( sizeofs src/sizeofs.c ) add_executable( sizeofs src/sizeofs.c )
add_executable( success src/success.c ) add_executable( success src/success.c )
add_executable( sum src/sum.c ) add_executable( sum src/sum.c )
add_executable( tabtest src/tabtest.c ) add_executable( tabtest src/tabtest.c )
add_executable( umlaut src/umlaut.c ) add_executable( umlaut src/umlaut.c )
add_executable( unary-double-not src/unary-double-not.c ) add_executable( unary-double-not src/unary-double-not.c )
add_executable( warning src/warning.c ) add_executable( warning src/warning.c )
add_executable( pointer-arithmetic src/pointer-arithmetic.c ) add_executable( miniio src/miniio.c )
add_executable( stackoverflow src/stackoverflow.c )
add_executable( pointer-arithmetic src/pointer-arithmetic.c )
add_executable( while-to-do-while src/while-to-do-while.c )
target_link_libraries(abc m) # link libm to abc target_link_libraries(abc m) # link libm to abc
@ -50,12 +53,12 @@ project(huffman)
set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib) set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib)
set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib) set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib)
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin) set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin)
add_executable( huffman src/huffman/src/huffman.c ) add_executable( huffman src/huffman/src/huffman.c )
execute_process ( execute_process (
COMMAND bash -c "mkdir -p src/huffman/testfiles" COMMAND bash -c "mkdir -p src/huffman/testfiles"
COMMAND bash -c "yes 'SAFJALJ AF OIAIFOsdp' | head -c 100KB > src/huffman/testfiles/small.txt" COMMAND bash -c "yes 'SAFJALJ AF OIAIFOsdp' | head -c 100KB > src/huffman/testfiles/small.txt"
COMMAND bash -c "dd if=/dev/urandom of=src/huffman/testfiles/1K-random.img count=1KiB" COMMAND bash -c "dd if=/dev/urandom of=src/huffman/testfiles/1K-random.img count=1KiB"
COMMAND bash -c "dd if=/dev/urandom of=src/huffman/testfiles/10K-random.img count=10KiB" COMMAND bash -c "dd if=/dev/urandom of=src/huffman/testfiles/10K-random.img count=10KiB"
COMMAND bash -c "dd if=/dev/urandom of=src/huffman/testfiles/100K-random.img count=100KiB" COMMAND bash -c "dd if=/dev/urandom of=src/huffman/testfiles/100K-random.img count=100KiB"
COMMAND bash -c "dd if=/dev/urandom of=src/huffman/testfiles/1M-random.img count=1MiB" COMMAND bash -c "dd if=/dev/urandom of=src/huffman/testfiles/1M-random.img count=1MiB"
@ -67,7 +70,7 @@ execute_process (
COMMAND bash -c "dd if=/dev/zero of=src/huffman/testfiles/10M-zero.img count=10MiB" COMMAND bash -c "dd if=/dev/zero of=src/huffman/testfiles/10M-zero.img count=10MiB"
COMMAND bash -c "echo -e \"Wer\ndas\nliest\nist\ndoof\n\" > src/huffman/testfiles/tiny.txt" COMMAND bash -c "echo -e \"Wer\ndas\nliest\nist\ndoof\n\" > src/huffman/testfiles/tiny.txt"
COMMAND bash -c "yes 'lslfkpoipop iipfiasp' | head -c 1MB > src/huffman/testfiles/mid.txt" COMMAND bash -c "yes 'lslfkpoipop iipfiasp' | head -c 1MB > src/huffman/testfiles/mid.txt"
) )
# TODO add condition to also generate bigger files # TODO add condition to also generate bigger files
# TODO add targets for these testfiles # TODO add targets for these testfiles

2
build.sh Executable file
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@ -0,0 +1,2 @@
#!/bin/bash
cmake . && cmake --build .

20
src/miniio.c Normal file
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@ -0,0 +1,20 @@
#include <stdio.h>
#include <string.h>
int my_strlen(const char *s) {
int len = 0;
while (s[len] != 0) {
len++;
}
return len;
}
int main() {
char word[] = "hallo\0"; // not NULL terminated
printf("word is %d long\n", my_strlen(word));
printf("word is actually %lu long\n", strlen(word));
printf("success: %b", my_strlen(word) == strlen(word));
return 0;
}

11
src/stackoverflow.c Normal file
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@ -0,0 +1,11 @@
int mem = 0x1337;
void foo() {
int buf = 0;
foo();
}
int main() {
foo();
return 0;
}

15
src/while-to-do-while.c Normal file
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@ -0,0 +1,15 @@
#include <stdio.h>
int main() {
int init = 5;
int i = init;
while (i < 10 || i == init) {
printf("helo %d\n", i);
i++;
}
i = init;
do {
printf("ahelo %d\n", i);
i++;
} while (i < 10);
}