commit 191b4ca2b0a77bb4183b5edb495eba913e4ece75
from: Omar Polo <op@omarpolo.com>
date: Fri Mar 12 13:44:34 2021 UTC

move some parser utils to its own file

commit - 5b2bf7046904e24781da7d031eb868e86c1a1341
commit + 191b4ca2b0a77bb4183b5edb495eba913e4ece75
blob - /dev/null
blob + e4e8a8cad0f95bcae2845f9672e6b231cbcbd851 (mode 644)
--- /dev/null
+++ parser.c
@@ -0,0 +1,56 @@
+/*
+ * Copyright (c) 2021 Omar Polo <op@omarpolo.com>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include "telescope.h"
+
+#include <stdlib.h>
+#include <string.h>
+
+int
+parser_append(struct parser *p, const char *buf, size_t len)
+{
+	size_t newlen;
+	char *t;
+
+	newlen = len + p->len;
+	if ((t = calloc(1, newlen)) == NULL)
+		return 0;
+	memcpy(t, p->buf, p->len);
+	memcpy(t + p->len, buf, len);
+	free(p->buf);
+	p->buf = t;
+	p->len = newlen;
+	return 1;
+}
+
+int
+parser_set_buf(struct parser *p, const char *buf, size_t len)
+{
+	free(p->buf);
+	p->buf = NULL;
+
+	if (len == 0) {
+		p->len = 0;
+		return 1;
+	}
+
+	if ((p->buf = calloc(1, len)) == NULL)
+		return 0;
+	memcpy(p->buf, buf, len);
+	p->len = len;
+	return 1;
+}
+