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2015-04, add md5 helper function

master
Evan Burkey 1 month ago
parent
commit
3ff3983838
  1. 3
      .gitignore
  2. 2
      .idea/advent.iml
  3. 4
      .idea/misc.xml
  4. 8
      .idea/modules.xml
  5. 6
      .idea/vcs.xml
  6. 126
      .idea/workspace.xml
  7. 12
      CMakeLists.txt
  8. 2
      README.md
  9. 1
      build.sh
  10. 2
      include/advent_utility.h
  11. 43
      src/2015/04.c
  12. 16
      src/advent_utility.c

3
.gitignore

@ -2,6 +2,5 @@ input/
advent
compile_commands.json
.cache
cmake-build-debug
cmake-build-release
build
.clangd

2
.idea/advent.iml

@ -1,2 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<module classpath="CMake" type="CPP_MODULE" version="4" />

4
.idea/misc.xml

@ -1,4 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="CMakeWorkspace" PROJECT_DIR="$PROJECT_DIR$" />
</project>

8
.idea/modules.xml

@ -1,8 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="ProjectModuleManager">
<modules>
<module fileurl="file://$PROJECT_DIR$/.idea/advent.iml" filepath="$PROJECT_DIR$/.idea/advent.iml" />
</modules>
</component>
</project>

6
.idea/vcs.xml

@ -1,6 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="VcsDirectoryMappings">
<mapping directory="$PROJECT_DIR$" vcs="Git" />
</component>
</project>

126
.idea/workspace.xml

@ -1,126 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
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<option name="autoReloadType" value="SELECTIVE" />
</component>
<component name="CMakeRunConfigurationManager" shouldGenerate="true" shouldDeleteObsolete="true">
<generated>
<config projectName="advent" targetName="advent" />
<config projectName="advent" targetName="flint" />
</generated>
</component>
<component name="CMakeSettings" AUTO_RELOAD="true">
<configurations>
<configuration PROFILE_NAME="Debug" ENABLED="true" CONFIG_NAME="Debug" />
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</configurations>
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<change afterPath="$PROJECT_DIR$/lib/libflint" afterDir="false" />
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<change beforePath="$PROJECT_DIR$/CMakeLists.txt" beforeDir="false" afterPath="$PROJECT_DIR$/CMakeLists.txt" afterDir="false" />
<change beforePath="$PROJECT_DIR$/src/2015/03.c" beforeDir="false" afterPath="$PROJECT_DIR$/src/2015/03.c" afterDir="false" />
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<option name="SHOW_DIALOG" value="false" />
<option name="HIGHLIGHT_CONFLICTS" value="true" />
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<property name="ASKED_ADD_EXTERNAL_FILES" value="true" />
<property name="RunOnceActivity.OpenProjectViewOnStart" value="true" />
<property name="RunOnceActivity.ShowReadmeOnStart" value="true" />
<property name="RunOnceActivity.cidr.known.project.marker" value="true" />
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<option name="com.jetbrains.cidr.execution.CidrBuildBeforeRunTaskProvider$BuildBeforeRunTask" enabled="true" />
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<configuration name="advent" type="CMakeRunConfiguration" factoryName="Application" REDIRECT_INPUT="false" ELEVATE="false" USE_EXTERNAL_CONSOLE="false" PASS_PARENT_ENVS_2="true" PROJECT_NAME="advent" TARGET_NAME="advent" CONFIG_NAME="Debug" RUN_TARGET_PROJECT_NAME="advent" RUN_TARGET_NAME="advent">
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<configuration name="flint" type="CMakeRunConfiguration" factoryName="Application" REDIRECT_INPUT="false" ELEVATE="false" USE_EXTERNAL_CONSOLE="false" PASS_PARENT_ENVS_2="true" PROJECT_NAME="advent" TARGET_NAME="flint" CONFIG_NAME="Debug">
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<option name="com.jetbrains.cidr.execution.CidrBuildBeforeRunTaskProvider$BuildBeforeRunTask" enabled="true" />
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<configuration default="true" type="GradleAppRunConfiguration" factoryName="Application" REDIRECT_INPUT="false" ELEVATE="false" USE_EXTERNAL_CONSOLE="false" PASS_PARENT_ENVS_2="true">
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<option name="com.jetbrains.cidr.cpp.gradle.execution.GradleNativeBuildBeforeRunTaskProvider$BuildBeforeRunTask" enabled="true" />
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<item itemvalue="CMake Application.advent" />
<item itemvalue="CMake Application.flint" />
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<component name="SpellCheckerSettings" RuntimeDictionaries="0" Folders="0" CustomDictionaries="0" DefaultDictionary="application-level" UseSingleDictionary="true" transferred="true" />
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<task active="true" id="Default" summary="Default task">
<changelist id="b07dea61-9ce6-4bea-9c31-27e5f3826c53" name="Changes" comment="" />
<created>1630619869539</created>
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<option name="ADD_EXTERNAL_FILES_SILENTLY" value="true" />
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12
CMakeLists.txt

@ -1,5 +1,7 @@
cmake_minimum_required(VERSION 3.10)
set(CMAKE_C_STANDARD 99)
set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
set(CMAKE_BUILD_TYPE Debug)
project(advent C)
@ -17,12 +19,12 @@ file(COPY input DESTINATION ${CMAKE_BINARY_DIR})
add_executable(advent ${SRC} ${SRC2015} ${SRC2016} ${SRC2017} ${SRC2018} ${SRC2019} ${SRC2020})
if ((${CMAKE_SYSTEM_NAME} STREQUAL "OpenBSD") OR (${CMAKE_SYSTEM_NAME} STREQUAL "FreeBSD"))
message(WARNING "${CMAKE_SYSTEM_NAME}: Not linking libbsd")
if ((${CMAKE_SYSTEM_NAME} STREQUAL "OpenBSD"))
target_link_libraries(advent PRIVATE flint)
target_include_directories(advent PRIVATE include lib/libflint/include)
else()
message(WARNING "${CMAKE_SYSTEM_NAME}: Linking libbsd")
target_link_libraries(advent PRIVATE bsd flint)
find_package(OpenSSL REQUIRED)
target_link_libraries(advent PRIVATE bsd flint ${OPENSSL_LIBRARIES})
target_include_directories(advent PRIVATE include lib/libflint/include ${OpenSSL_INCLUDE_DIR})
endif()
target_include_directories(advent PRIVATE include lib/libflint/include)

2
README.md

@ -17,7 +17,7 @@ Build the project using Cmake:
cmake ..
make
The supplied `build.sh` script uses `scan-build` to build a compilation database. This is not neccesary for users.
The supplied `build.sh` script does the above for you.
## Inputs

1
build.sh

@ -5,4 +5,5 @@ cd build
cmake ..
make
cp advent ..
cp compile_commands.json ..
cd ..

2
include/advent_utility.h

@ -11,4 +11,6 @@ struct Point *new_Point_p(int, int);
int same_Point(const struct Point*, const struct Point*);
int same_Point_v(const void*, const void*);
char *md5_str(const char*);
#endif

43
src/2015/04.c

@ -1,10 +1,51 @@
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "input.h"
#include "advent_utility.h"
static int is_five(char *test) {
char *t = test;
for (int i = 0; i < 5; ++i, ++t) {
if (*t != '0') {
return 0;
}
}
return 1;
}
static int is_six(char *test) {
char *t = test;
for (int i = 0; i < 6; ++i, ++t) {
if (*t != '0') {
return 0;
}
}
return 1;
}
void advent2015day04(void) {
char *input = get_input("input/2015/04");
printf("Solution for Day 04 of 2015 is not completed yet\n");
int c = 0, five = 0, six = 0;
while (!five || !six) {
char test[strlen(input) + 8];
sprintf(test, "%s%d", input, c);
char *md5 = md5_str(test);
if (!five && is_five(md5)) {
five = c;
printf("%d\n", five);
}
if (is_six(md5)) {
six = c;
}
free(md5);
++c;
}
printf("%d\n", six);
free(input);
}

16
src/advent_utility.c

@ -1,4 +1,7 @@
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <md5.h>
#include "advent_utility.h"
@ -26,3 +29,16 @@ int same_Point(const struct Point* a, const struct Point* b) {
int same_Point_v(const void *a, const void *b) {
return same_Point((const struct Point *)a, (const struct Point *)b);
}
char *md5_str(const char* input) {
unsigned char digest[16];
struct MD5Context context;
MD5Init(&context);
MD5Update(&context, input, strlen(input));
MD5Final(digest, &context);
char *md5string = malloc(33);
for(int i = 0; i < 16; ++i) {
sprintf(&md5string[i*2], "%02x", (unsigned int)digest[i]);
}
return md5string;
}
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