C++->C

beautiful.

1 files changed, 62 insertions, 0 deletions

diff --git a/src/filehandler.c b/src/filehandler.c
new file mode 100644
index 0000000..f42a22b
--- /dev/null
+++ b/src/filehandler.c
@@ -0,0 +1,62 @@
+#include <filehandler.h>
+#include <stddef.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+static size_t
+size(filehandler_t *fh)
+{
+  unsigned int current = ftell(fh->f);
+
+  fseek(fh->f, 0, SEEK_END);
+  unsigned int s = ftell(fh->f);
+
+  fseek(fh->f, current, SEEK_SET);
+  return s;
+}
+
+void
+filehandler_init(filehandler_t *fh, char *path)
+{
+  fh->f = NULL;
+  fh->buffer = NULL;
+
+  fh->path = (char *) calloc(strlen(path) + 1, sizeof(char));
+  strcpy(fh->path, path);
+}
+
+bool
+filehandler_open(filehandler_t *fh)
+{
+  fh->f = fopen(fh->path, "r");
+  if (fh->f == NULL) {
+    printf("Unable to open %s\n", fh->path);
+    return false;
+  }
+
+  return true;
+}
+
+char *
+filehandler_read(filehandler_t *fh)
+{
+  fseek(fh->f, 0, SEEK_SET);
+
+  size_t buf_size = size(fh);
+
+  fh->buffer = (char *) calloc(buf_size, sizeof(char));
+  int bytesread = fread(fh->buffer, sizeof(char), buf_size, fh->f);
+
+  if (bytesread < 0) {
+    return NULL;
+  }
+  return fh->buffer;
+}
+
+void
+filehandler_close(filehandler_t *fh)
+{
+  fclose(fh->f);
+  free(fh->buffer);
+}