First commitHEADmaster

Signed-off-by: Mattias Andrée <maandree@kth.se>

1 files changed, 28 insertions, 0 deletions

diff --git a/libpatch_append_to_patch__.c b/libpatch_append_to_patch__.c
new file mode 100644
index 0000000..cf54c6f
--- /dev/null
+++ b/libpatch_append_to_patch__.c
@@ -0,0 +1,28 @@
+/* See LICENSE file for copyright and license details. */
+#include "common.h"
+
+
+int
+libpatch_append_to_patch__(struct libpatch_patch **patch, size_t *patchlen, size_t *size,
+                           size_t stroff, size_t strlen, int type)
+{
+	void *new;
+	if (*patchlen < *size) {
+		if (*size > SIZE_MAX / sizeof(**patch) - 70) {
+			errno = ENOMEM;
+			return -1;
+		}
+		new = realloc(*patch, (*size + 70) * sizeof(**patch));
+		if (!new)
+			return -1;
+		*patch = new;
+		*size += 70;
+		memset(&(*patch)[*patchlen], 0, 70 * sizeof(**patch));
+	}
+	(*patch)[*patchlen].type = type;
+	(*patch)[*patchlen].text_offset = stroff;
+	(*patch)[*patchlen].text_length = strlen;
+	(*patch)[*patchlen].lf_terminated = 1;
+	*patchlen += 1;
+	return 0;
+}