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-rw-r--r--lib/tar/record_to_memory.c40
1 files changed, 40 insertions, 0 deletions
diff --git a/lib/tar/record_to_memory.c b/lib/tar/record_to_memory.c
new file mode 100644
index 0000000..822608c
--- /dev/null
+++ b/lib/tar/record_to_memory.c
@@ -0,0 +1,40 @@
+/* SPDX-License-Identifier: GPL-3.0-or-later */
+/*
+ * record_to_memory.c
+ *
+ * Copyright (C) 2019 David Oberhollenzer <goliath@infraroot.at>
+ */
+#include "config.h"
+
+#include "tar.h"
+#include "internal.h"
+
+char *record_to_memory(istream_t *fp, size_t size)
+{
+ char *buffer = malloc(size + 1);
+ int ret;
+
+ if (buffer == NULL)
+ goto fail_errno;
+
+ ret = istream_read(fp, buffer, size);
+ if (ret < 0)
+ goto fail;
+
+ if ((size_t)ret < size) {
+ fputs("Reading tar record: unexpected end-of-file.\n", stderr);
+ goto fail;
+ }
+
+ if (skip_padding(fp, size))
+ goto fail;
+
+ buffer[size] = '\0';
+ return buffer;
+fail_errno:
+ perror("reading tar record");
+ goto fail;
+fail:
+ free(buffer);
+ return NULL;
+}