initial commit

src/lib/file.c

@@ -0,0 +1,54 @@
+#include "file.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+char *read_file(const char *path) {
+  FILE *fp = fopen(path, "rb");
+  if (fp == NULL) {
+    printf("%s\n", path);
+    perror("Error opening file");
+    return nullptr;
+  }
+
+  fseek(fp, 0, SEEK_END);
+  long file_size = ftell(fp);
+  rewind(fp);
+
+  char *buffer = (char *)malloc(file_size + 1);
+  if (!buffer) {
+    perror("Error allocating memory");
+    fclose(fp);
+    return nullptr;
+  }
+
+  size_t bytes_read = fread(buffer, 1, file_size, fp);
+  if (bytes_read != file_size) {
+    perror("Error reading file");
+    free(buffer);
+    fclose(fp);
+    return nullptr;
+  }
+
+  buffer[file_size] = '\0';
+  fclose(fp);
+  return buffer;
+}
+
+char *write_file(const char *path, const char *data) {
+    FILE *fp = fopen(path, "w");
+    if (fp == NULL) {
+        printf("%s\n", path);
+      perror("Error opening file");
+      return nullptr;
+    }
+    printf("%s\n%s\n", data, path);
+    if (fprintf(fp, "%s", data) < 0) {
+        perror("Error write file");
+        return nullptr;
+    }
+    fclose(fp);
+    char *ret = strdup(data);
+    return ret;
+}