parker_macdonald/advent_of_code
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refactor part 1 to not have any warnings

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Larry the Pig 2024-12-08 17:15:12 -07:00
parent a7c15c246b
commit 29d21867c1
1 changed files with 9 additions and 9 deletions
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16
day_2/1.c
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@ -3,10 +3,12 @@
#include <string.h> #include <string.h>
#include <stdbool.h> #include <stdbool.h>
#define BUFFER_SIZE 1024
typedef struct levels { typedef struct levels {
size_t mem_size; size_t mem_size;
size_t size; size_t size;
unsigned int *data; int *data;
} levels_t; } levels_t;
int main(void) { int main(void) {
@ -17,8 +19,7 @@ int main(void) {
return 1; return 1;
} }
char *line = NULL; char buffer[BUFFER_SIZE];
size_t size;
levels_t levels; levels_t levels;
levels.mem_size = 10; levels.mem_size = 10;
@ -26,8 +27,8 @@ int main(void) {
levels.data = malloc(sizeof(unsigned int) * levels.mem_size); levels.data = malloc(sizeof(unsigned int) * levels.mem_size);
unsigned int sum = 0; unsigned int sum = 0;
while (getline(&line, &size, fp) > 0) { while (fgets(buffer, BUFFER_SIZE, fp) != NULL) {
char *next = strtok(line, " "); char *next = strtok(buffer, " ");
while (next != NULL) { while (next != NULL) {
if (levels.size >= levels.mem_size) { if (levels.size >= levels.mem_size) {
@ -36,7 +37,7 @@ int main(void) {
realloc(levels.data, levels.mem_size * sizeof(unsigned int)); realloc(levels.data, levels.mem_size * sizeof(unsigned int));
} }
sscanf(next, "%u", &levels.data[levels.size]); sscanf(next, "%d", &levels.data[levels.size]);
levels.size++; levels.size++;
next = strtok(NULL, " "); next = strtok(NULL, " ");
@ -45,7 +46,7 @@ int main(void) {
bool safe = true; bool safe = true;
int diff = levels.data[1] - levels.data[0]; int diff = levels.data[1] - levels.data[0];
int increasing = diff > 0 ? 1 : -1; int increasing = diff > 0 ? 1 : -1;
for (int i = 1; i < levels.size; i++) { for (size_t i = 1; i < levels.size; i++) {
diff = increasing * (levels.data[i] - levels.data[i - 1]); diff = increasing * (levels.data[i] - levels.data[i - 1]);
if (diff < 1 || diff > 3) { if (diff < 1 || diff > 3) {
@ -61,7 +62,6 @@ int main(void) {
levels.size = 0; levels.size = 0;
} }
free(line);
free(levels.data); free(levels.data);
printf("%u\n", sum); printf("%u\n", sum);