From cdc5e2cec5de1eb29ea3a42148c0b1302e97877f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Hugo=20H=C3=B6rnquist?= <hugo@lysator.liu.se>
Date: Thu, 21 Feb 2019 15:22:47 +0100
Subject: Fix c++ compile warnings.

---
 strbuf.c |  2 +-
 strbuf.h |  2 +-
 vcal.c   | 15 +++++++++++----
 vcal.h   |  6 +++---
 4 files changed, 16 insertions(+), 9 deletions(-)

diff --git a/strbuf.c b/strbuf.c
index f17de211..54960a54 100644
--- a/strbuf.c
+++ b/strbuf.c
@@ -87,7 +87,7 @@ int strbuf_cmp(strbuf* a, strbuf* b) {
 	return strncmp(a->mem, b->mem, a->len);
 }
 
-int strbuf_c(strbuf* a, char* b) {
+int strbuf_c(strbuf* a, const char* b) {
 	if (a == NULL || a->alloc == 0) {
 		ERR("a not allocated");
 		return -1;
diff --git a/strbuf.h b/strbuf.h
index c531734e..de4cc29b 100644
--- a/strbuf.h
+++ b/strbuf.h
@@ -40,7 +40,7 @@ int strbuf_realloc(strbuf* str, size_t len);
 FREE_F(strbuf);
 
 int strbuf_cmp(strbuf* a, strbuf* b);
-int strbuf_c(strbuf* a, char* b);
+int strbuf_c(strbuf* a, const char* b);
 
 /*
  * Copy contents from src to dest.
diff --git a/vcal.c b/vcal.c
index 7f674dac..2f736892 100644
--- a/vcal.c
+++ b/vcal.c
@@ -41,11 +41,11 @@ INIT_F(vcomponent) {
 	return 0;
 }
 
-INIT_F(vcomponent, char* type) {
+INIT_F(vcomponent, const char* type) {
 	return INIT(vcomponent, self, type, NULL);
 }
 
-INIT_F(vcomponent, char* type, char* filename) {
+INIT_F(vcomponent, const char* type, const char* filename) {
 
 	INIT(TRIE(content_line), &self->clines);
 	INIT(VECT(vcomponent), &self->components);
@@ -83,8 +83,15 @@ content_line* RESOLVE(content_line)
 	return dest;
 }
 
-content_line* get_property (vcomponent* ev, char* key) {
-	return GET(TRIE(content_line))(&ev->clines, key);
+content_line* get_property (vcomponent* ev, const char* key) {
+	size_t len = strlen(key) + 1;
+	char* cpy = (char*) (calloc(sizeof(*cpy), len));
+	strncpy (cpy, key, len);
+
+	content_line* ret = GET(TRIE(content_line))(&ev->clines, cpy);
+
+	free (cpy);
+	return ret;
 }
 
 FREE_F(vcomponent) {
diff --git a/vcal.h b/vcal.h
index 1c96c4c6..95811a7b 100644
--- a/vcal.h
+++ b/vcal.h
@@ -96,11 +96,11 @@ struct s_vcomponent {
 #define FCHILD(v) GET(VECT(vcomponent))(&(v)->components, 0)
 
 INIT_F(vcomponent);
-INIT_F(vcomponent, char* type);
-INIT_F(vcomponent, char* type, char* filename);
+INIT_F(vcomponent, const char* type);
+INIT_F(vcomponent, const char* type, const char* filename);
 FREE_F(vcomponent);
 
-content_line* get_property (vcomponent* ev, char* key);
+content_line* get_property (vcomponent* ev, const char* key);
 
 int add_content_line (vcomponent* ev, content_line* c);
 
-- 
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