[PATCH 1/3] append_opt() and buf_append_urlencoded() should take const char *

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Fixes -Wcast-qual warnings.

Signed-off-by: Daniel Lenski <dlenski at gmail.com>
---
 auth-common.c          | 2 +-
 http.c                 | 2 +-
 openconnect-internal.h | 4 ++--
 3 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/auth-common.c b/auth-common.c
index 848f882..c094304 100644
--- a/auth-common.c
+++ b/auth-common.c
@@ -62,7 +62,7 @@ int xmlnode_match_prop(xmlNode *xml_node, const char *name, const char *match)
 	return ret;
 }
 
-int append_opt(struct oc_text_buf *body, char *opt, char *name)
+int append_opt(struct oc_text_buf *body, const char *opt, const char *name)
 {
 	if (buf_error(body))
 		return buf_error(body);
diff --git a/http.c b/http.c
index 18d7da2..1b99319 100644
--- a/http.c
+++ b/http.c
@@ -41,7 +41,7 @@ struct oc_text_buf *buf_alloc(void)
 	return calloc(1, sizeof(struct oc_text_buf));
 }
 
-void buf_append_urlencoded(struct oc_text_buf *buf, char *str)
+void buf_append_urlencoded(struct oc_text_buf *buf, const char *str)
 {
 	while (str && *str) {
 		unsigned char c = *str;
diff --git a/openconnect-internal.h b/openconnect-internal.h
index e44a549..c8612dd 100644
--- a/openconnect-internal.h
+++ b/openconnect-internal.h
@@ -972,7 +972,7 @@ int cstp_obtain_cookie(struct openconnect_info *vpninfo);
 int xmlnode_is_named(xmlNode *xml_node, const char *name);
 int xmlnode_get_prop(xmlNode *xml_node, const char *name, char **var);
 int xmlnode_match_prop(xmlNode *xml_node, const char *name, const char *match);
-int append_opt(struct oc_text_buf *body, char *opt, char *name);
+int append_opt(struct oc_text_buf *body, const char *opt, const char *name);
 int append_form_opts(struct openconnect_info *vpninfo,
 		     struct oc_auth_form *form, struct oc_text_buf *body);
 void free_opt(struct oc_form_opt *opt);
@@ -994,7 +994,7 @@ int buf_append_utf16le(struct oc_text_buf *buf, const char *utf8);
 int get_utf8char(const char **utf8);
 void buf_append_from_utf16le(struct oc_text_buf *buf, const void *utf16);
 void buf_truncate(struct oc_text_buf *buf);
-void buf_append_urlencoded(struct oc_text_buf *buf, char *str);
+void buf_append_urlencoded(struct oc_text_buf *buf, const char *str);
 int buf_error(struct oc_text_buf *buf);
 int buf_free(struct oc_text_buf *buf);
 char *openconnect_create_useragent(const char *base);
-- 
2.7.4




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