rename dirs to include name of respective programming language + run ubsan and asan on all c and c++ solutions

Author: dannyvankooten

Diff for: .clang-format

@@ -1,3 +1,2 @@
-Standard: c++20
 TabWidth: 2
 UseTab: Never

Diff for: 2015-c/.clangd

@@ -0,0 +1,2 @@
+CompileFlags:
+  Add: [-std=c99, -Wall, -Wextra, -Wpedantic ]

Diff for: 2015/.gitignore renamed to 2015-c/.gitignore

@@ -1,9 +1,8 @@
 #include "../adventofcode.h"
 #include <stdio.h>
 #include <stdlib.h>
-#include <time.h>
 
-int main() {
+int main(void) {
   clock_t start_t = clock_time();
   char input[64 * 1024] = "";
   int ninput = (int)read_input_file(input, 64 * 1024, "input.txt");

Diff for: 2015/01-not-quite-lisp/README.txt renamed to 2015-c/01-not-quite-lisp/README.txt

@@ -25,7 +25,7 @@ int compare_ints(const void *a, const void *b) {
   return 0;
 }
 
-int main() {
+int main(void) {
   clock_t start_t, end_t;
   start_t = clock();
 

Diff for: 2015/01-not-quite-lisp/main.c renamed to 2015-c/01-not-quite-lisp/main.c

@@ -79,7 +79,7 @@ int solve(const char *s, uint8_t nworkers) {
   return count;
 }
 
-int main() {
+int main(void) {
   clock_t start_t, end_t;
   start_t = clock();
 

Diff for: 2015/02-i-was-told-there-would-be-no-math/README.txt renamed to 2015-c/02-i-was-told-there-would-be-no-math/README.txt

@@ -39,7 +39,7 @@ char *itoa(int value, char *result, int base) {
   return result;
 }
 
-int main() {
+int main(void) {
   clock_t start_t = clock_time();
   char input[64 * 1024] = "";
   size_t keylen = read_input_file(input, 64 * 1024, "input.txt");

Diff for: 2015/02-i-was-told-there-would-be-no-math/main.c renamed to 2015-c/02-i-was-told-there-would-be-no-math/main.c

@@ -61,7 +61,7 @@ int str_is_nice_v2(char *s) {
   return r1 == 1 && r2 == 1;
 }
 
-int main() {
+int main(void) {
   clock_t start_t, end_t;
   start_t = clock();
 

Diff for: 2015/03-perfectly-spherical-houses-in-a-vacuum/README.txt renamed to 2015-c/03-perfectly-spherical-houses-in-a-vacuum/README.txt

@@ -15,7 +15,7 @@ static inline char *parse_int(uint16_t *dst, char *s) {
   return s;
 }
 
-int main() {
+int main(void) {
   clock_t start_t, end_t;
   start_t = clock();
 

Diff for: 2015/03-perfectly-spherical-houses-in-a-vacuum/main.c renamed to 2015-c/03-perfectly-spherical-houses-in-a-vacuum/main.c

@@ -58,7 +58,7 @@ typedef struct instruction {
   int rhs_value;
 } instruction_t;
 
-void print_instruction(instruction_t i) {
+void print_instruction(const instruction_t i) {
   switch (i.opcode) {
   case DIRECT:
     printf("%s = %s%d\n", i.target, i.lhs_ident, i.lhs_value);
@@ -145,11 +145,9 @@ int run(instruction_t *instructions, int ninstructions) {
       }
     }
   }
-
-  abort();
 }
 
-int main() {
+int main(void) {
   char input[32 * 1024] = "";
   read_input_file(input, 32 * 1024, "input.txt");
   clock_t start_t = clock_time();

Diff for: 2015/04-md5/README.txt renamed to 2015-c/04-md5/README.txt

@@ -1,8 +1,7 @@
 #include "../adventofcode.h"
 #include <stdio.h>
-#include <time.h>
 
-int main() {
+int main(void) {
   clock_t start_t = clock_time();
   char input[32 * 1024];
   read_input_file(input, 32 * 1024, "input.txt");

Diff for: 2015/04-md5/main.c renamed to 2015-c/04-md5/main.c

@@ -84,7 +84,7 @@ int getcity(char cities[16][16], int ncities, char *c) {
   return -1;
 }
 
-int main() {
+int main(void) {
   clock_t tstart = clock_time();
   char input[1024 * 64] = "";
   read_input_file(input, 1024 * 64, "input.txt");

Diff for: 2015/05-nice-strings/README.txt renamed to 2015-c/05-nice-strings/README.txt

@@ -22,7 +22,7 @@ int apply(char *dst, char *in) {
   return (int)(o - dst);
 }
 
-int main() {
+int main(void) {
   clock_t start_t = clock_time();
 
   // single malloc call for 16MB of memory

Diff for: 2015/05-nice-strings/main.c renamed to 2015-c/05-nice-strings/main.c

@@ -53,7 +53,7 @@ void pw_increment(char *src) {
   } while (pw_is_valid(src) == 0);
 }
 
-int main() {
+int main(void) {
   clock_t start_t = clock_time();
 
   assert(pw_is_valid("hijklmmn") == 0);

Diff for: 2015/06-probably-a-fire-hazard/README.txt renamed to 2015-c/06-probably-a-fire-hazard/README.txt

@@ -75,7 +75,7 @@ int pt2(const char *input) {
   return objsums[0];
 }
 
-int main() {
+int main(void) {
   clock_t tstart = clock_time();
   char input[32 * 1024] = "";
   read_input_file(input, 1024 * 32, "input.txt");

Diff for: 2015/06-probably-a-fire-hazard/main.c renamed to 2015-c/06-probably-a-fire-hazard/main.c

@@ -85,18 +85,18 @@ int permute(int matrix[32][32], int buf[], int from, int to, int score) {
   return score;
 }
 
-int main() {
+int main(void) {
   clock_t tstart = clock_time();
   char input[1024 * 64] = "";
   read_input_file(input, 1024 * 64, "input.txt");
-  int a1 = 0, a2 = 0;
-
+  int a1 = 0;
+  int a2 = 0;
   int matrix[32][32];
   char seats[32][32];
   int nseats = parse(input, matrix, seats);
 
   // create buf with combinations
-  int buf[nseats];
+  int buf[nseats + 1];
   for (int i = 0; i < nseats; i++) {
     buf[i] = i;
   }

Diff for: 2015/07-some-assembly-required/README.txt renamed to 2015-c/07-some-assembly-required/README.txt

@@ -126,7 +126,7 @@ void parse(reindeer_t *players, int *nplayers) {
   *nplayers = n;
 }
 
-int main() {
+int main(void) {
   clock_t start_t = clock_time();
   reindeer_t players[10];
   int nplayers = 0;

Diff for: 2015/07-some-assembly-required/main.c renamed to 2015-c/07-some-assembly-required/main.c

@@ -45,7 +45,7 @@ void parse(struct ingredient *ingredients, int *ningredients) {
   *ningredients = n;
 }
 
-int main() {
+int main(void) {
   clock_t start_t = clock_time();
 
   struct ingredient ingredients[4];

Diff for: 2015/08-matchsticks/README.txt renamed to 2015-c/08-matchsticks/README.txt

@@ -103,7 +103,7 @@ int pt2(char *input) {
   return -1;
 }
 
-int main() {
+int main(void) {
   clock_t start_t = clock_time();
   char input[64 * 1024];
   read_input_file(input, 64 * 1024, "input.txt");

Diff for: 2015/08-matchsticks/main.c renamed to 2015-c/08-matchsticks/main.c

@@ -62,7 +62,7 @@ int parse(const char *s, int *dest) {
   return n;
 }
 
-int main() {
+int main(void) {
   clock_t start_t = clock_time();
 
   char input[1024];

Diff for: 2015/09-all-in-a-single-night/README.txt renamed to 2015-c/09-all-in-a-single-night/README.txt

@@ -78,7 +78,7 @@ int solve(char *g, int size, int broken) {
   return count_on(grid, size);
 }
 
-int main() {
+int main(void) {
   clock_t start_t = clock_time();
   char input[1024 * 32] = "";
   read_input_file(input, 32 * 1024, "input.txt");

Diff for: 2015/09-all-in-a-single-night/input_test.txt renamed to 2015-c/09-all-in-a-single-night/input_test.txt

@@ -28,25 +28,15 @@ int parse(const char *s, char needles[][16], char replacements[][16],
   return n;
 }
 
-// indexof returns the index of the given string in the array, or -1
-static inline int indexof(char *haystack[], int n, char *needle) {
-  for (int j = 0; j < n; j++) {
-    if (strcmp(haystack[j], needle) == 0) {
-      return j;
-    }
-  }
-
-  return -1;
-}
-
-int pt1(char needles[][16], char replacements[][16], int n, char *medicine) {
+int pt1(const char needles[][16], char replacements[][16], int n,
+        char *medicine) {
   hashmap_t hm = hashmap_new(1024);
   int nmolecules = 0;
   char buf[1024];
   size_t len = strlen(medicine);
   for (size_t pos = 0; pos < len; pos++) {
     for (int i = 0; i < n; i++) {
-      char *needle = needles[i];
+      const char *needle = needles[i];
 
       // check if current position matches needle
       size_t needle_length = strlen(needle);
@@ -108,7 +98,7 @@ int pt2(char needles[][16], char replacements[][16], int n, char *medicine) {
   return steps;
 }
 
-int main() {
+int main(void) {
   clock_t start_t = clock_time();
 
   char input[1024 * 32] = "";

Diff for: 2015/09-all-in-a-single-night/main.c renamed to 2015-c/09-all-in-a-single-night/main.c

@@ -31,7 +31,7 @@ int pt1(int *houses, int nhouses, int target, int elfvalue, int elflimit) {
   return -1;
 }
 
-int main() {
+int main(void) {
   clock_t start_t = clock_time();
 
   char input[64];

Diff for: 2015/10-elves-look-elves-say/README.txt renamed to 2015-c/10-elves-look-elves-say/README.txt

@@ -95,7 +95,7 @@ struct answer permute(struct stats player, struct stats boss) {
   return (struct answer){cheap_win, expensive_lose};
 }
 
-int main() {
+int main(void) {
   clock_t start_t = clock_time();
   char input[1024];
   read_input_file(input, 1024, "input.txt");

Diff for: 2015/10-elves-look-elves-say/main.c renamed to 2015-c/10-elves-look-elves-say/main.c

@@ -144,7 +144,7 @@ struct answer {
 //   return (struct answer){cheap_win, expensive_lose};
 // }
 
-int main() {
+int main(void) {
   clock_t start_t = clock_time();
   char input[1024];
   read_input_file(input, 1024, "input_test.txt");

Diff for: 2015/11-corporate-policy/README.txt renamed to 2015-c/11-corporate-policy/README.txt

@@ -102,7 +102,7 @@ int parse(char *filename, int codes[64][3]) {
   return ncodes;
 }
 
-int main() {
+int main(void) {
   clock_t start_t = clock_time();
 
   int codes[64][3];

Diff for: 2015/11-corporate-policy/main.c renamed to 2015-c/11-corporate-policy/main.c

@@ -57,7 +57,7 @@ static unsigned long sumto(const int weights[], const unsigned int nweights,
   return best;
 }
 
-int main() {
+int main(void) {
   clock_t start_t = clock_time();
 
   char input[1024];

Diff for: 2015/12-jsabacusframework-io/README.txt renamed to 2015-c/12-jsabacusframework-io/README.txt

@@ -29,7 +29,7 @@ unsigned long value_at(int row, int col) {
   return v;
 }
 
-int main() {
+int main(void) {
   clock_t start_t = clock_time();
 
   char input[1024];

Diff for: 2015/12-jsabacusframework-io/main.c renamed to 2015-c/12-jsabacusframework-io/main.c

@@ -118,9 +118,9 @@ static inline const char *skip_until_digit(const char *s) {
   return s;
 }
 
-static clock_t clock_time() { return clock(); }
+static clock_t clock_time(void) { return clock(); }
 
 static double clock_time_since(clock_t start_t) {
   clock_t end_t = clock();
   return (double)(end_t - start_t) / CLOCKS_PER_SEC * 1000;
-}
+}

Diff for: 2015/13-knights-of-the-dinner-table/README.txt renamed to 2015-c/13-knights-of-the-dinner-table/README.txt

@@ -108,4 +108,4 @@ int *hashmap_get(hashmap_t *h, unsigned char *data, size_t datasize) {
   return &h->entries[k].value;
 }
 
-void hashmap_free(hashmap_t *h) { free(h->entries); }
+void hashmap_free(hashmap_t *h) { free(h->entries); }

Diff for: 2015/13-knights-of-the-dinner-table/input_test.txt renamed to 2015-c/13-knights-of-the-dinner-table/input_test.txt

@@ -4,7 +4,7 @@ set -e
 
 for d in */; do
   cd "$d"
-  cc -O2 -Wall -Werror -Wpedantic -g main.c -lcrypto
+  cc -O2 -Wall -Werror -Wpedantic -g -fsanitize=undefined main.c -lcrypto
   valgrind -s --track-origins=yes --leak-check=full ./a.out
   echo ""
   read -n 1 -p "Next? [Any key to proceed]"