Read input for challenge 8

src/ex08/main.c

@@ -0,0 +1,36 @@
+#include "utils.h"
+#include <stdio.h>
+
+#define BUF_SIZE 1024
+
+int main(int argc, char *argv[]) {
+  if (argc < 2) {
+    printf("Usage: %s <filename>\n", argv[0]);
+    return EXIT_FAILURE;
+  }
+
+  const char *filename = argv[1];
+
+  FILE *fp = fopen(filename, "r");
+  if (fp == NULL) {
+    printf("Error opening file %s\n", filename);
+    return EXIT_FAILURE;
+  }
+
+  char *line = NULL;
+  size_t line_length = 0;
+  ssize_t nread = 0;
+  while ((nread = getline(&line, &line_length, fp)) != -1) {
+    line[nread - 1] = '\0'; /* Remove the newline character */
+    unsigned char buf[BUF_SIZE] = {0};
+    size_t len = hex_to_bytes(buf, line);
+  }
+  free(line);
+
+  if (fclose(fp)) {
+    printf("Error closing file %s\n", filename);
+    return EXIT_FAILURE;
+  }
+
+  return EXIT_SUCCESS;
+}