Create filestream_getline

libretro-common/include/streams/file_stream.h

@@ -65,6 +65,8 @@ int filestream_read_file(const char *path, void **buf, ssize_t *len);
 
 char *filestream_gets(RFILE *stream, char *s, size_t len);
 
+char *filestream_getline(RFILE *stream);
+
 int filestream_getc(RFILE *stream);
 
 bool filestream_write_file(const char *path, const void *data, ssize_t size);

libretro-common/streams/file_stream.c

@@ -243,6 +243,41 @@ error:
    return NULL;
 }
 
+char *filestream_getline(RFILE *stream)
+{
+   char* newline     = (char*)malloc(9);
+   char* newline_tmp = NULL;
+   size_t cur_size   = 8;
+   size_t idx        = 0;
+   int in            = filestream_getc(stream);
+
+   if (!newline)
+      return NULL;
+
+   while (in != EOF && in != '\n')
+   {
+      if (idx == cur_size)
+      {
+         cur_size *= 2;
+         newline_tmp = (char*)realloc(newline, cur_size + 1);
+
+         if (!newline_tmp)
+         {
+            free(newline);
+            return NULL;
+         }
+
+         newline = newline_tmp;
+      }
+
+      newline[idx++] = in;
+      in             = filestream_getc(stream);
+   }
+
+   newline[idx] = '\0';
+   return newline; 
+}
+
 char *filestream_gets(RFILE *stream, char *s, size_t len)
 {
    if (!stream)