Changes in uspace/lib/futil/src/futil.c [5df2570:629b480] in mainline

File:

• uspace/lib/futil/src/futil.c (modified) (3 diffs)

uspace/lib/futil/src/futil.c

@@ -1 +1 @@
 /*
- * Copyright (c) 2026 Jiri Svoboda
+ * Copyright (c) 2025 Jiri Svoboda
  * All rights reserved.
  *
@@ -179 +179 @@
                                 futil->cb->create_dir(futil->cb_arg, destp);
                         rc = vfs_link_path(destp, KIND_DIRECTORY, NULL);
-                        if (rc != EOK && rc != EEXIST)
+                        if (rc != EOK)
                                 goto error;
                         rc = futil_rcopy_contents(futil, srcp, destp);
@@ -199 +199 @@
 }
 
+/** Return file contents as a heap-allocated block of bytes.
+ *
+ * @param futil File utility instance
+ * @param srcp File path
+ * @param rdata Place to store pointer to data
+ * @param rsize Place to store size of data
+ *
+ * @return EOK on success, ENOENT if failed to open file, EIO on other
+ *         I/O error, ENOMEM if out of memory
+ */
+errno_t futil_get_file(futil_t *futil, const char *srcp, void **rdata,
+    size_t *rsize)
+{
+        int sf;
+        size_t nr;
+        errno_t rc;
+        size_t fsize;
+        char *data;
+        vfs_stat_t st;
+
+        rc = vfs_lookup_open(srcp, WALK_REGULAR, MODE_READ, &sf);
+        if (rc != EOK)
+                return ENOENT;
+
+        if (vfs_stat(sf, &st) != EOK) {
+                vfs_put(sf);
+                return EIO;
+        }
+
+        fsize = st.size;
+
+        data = calloc(fsize, 1);
+        if (data == NULL) {
+                vfs_put(sf);
+                return ENOMEM;
+        }
+
+        rc = vfs_read(sf, (aoff64_t []) { 0 }, data, fsize, &nr);
+        if (rc != EOK || nr != fsize) {
+                vfs_put(sf);
+                free(data);
+                return EIO;
+        }
+
+        (void) vfs_put(sf);
+        *rdata = data;
+        *rsize = fsize;
+
+        return EOK;
+}
+
 /** @}
  */