constify json parse helper function

json_t * parameter is not modified, constify to allow compiler to spew warnings
in case the function tries to modify it.

2 files changed, 10 insertions, 10 deletions

diff --git a/src/json.c b/src/json.c
index 3765782..d693051 100644
--- a/src/json.c
+++ b/src/json.c
@@ -10,7 +10,7 @@
 #include "json.h"
 #include <stdint.h>
 
-int og_json_parse_string(json_t *element, const char **str)
+int og_json_parse_string(const json_t *element, const char **str)
 {
 	if (json_typeof(element) != JSON_STRING)
 		return -1;
@@ -19,7 +19,7 @@ int og_json_parse_string(json_t *element, const char **str)
 	return 0;
 }
 
-int og_json_parse_string_copy(json_t *element, char *str, size_t size)
+int og_json_parse_string_copy(const json_t *element, char *str, size_t size)
 {
 	const char *reference_str;
 	int err = 0;
@@ -34,7 +34,7 @@ int og_json_parse_string_copy(json_t *element, char *str, size_t size)
 	return 0;
 }
 
-int og_json_parse_uint64(json_t *element, uint64_t *integer)
+int og_json_parse_uint64(const json_t *element, uint64_t *integer)
 {
 	if (json_typeof(element) != JSON_INTEGER)
 		return -1;
@@ -43,7 +43,7 @@ int og_json_parse_uint64(json_t *element, uint64_t *integer)
 	return 0;
 }
 
-int og_json_parse_uint(json_t *element, uint32_t *integer)
+int og_json_parse_uint(const json_t *element, uint32_t *integer)
 {
 	if (json_typeof(element) != JSON_INTEGER)
 		return -1;
@@ -52,7 +52,7 @@ int og_json_parse_uint(json_t *element, uint32_t *integer)
 	return 0;
 }
 
-int og_json_parse_bool(json_t *element, bool *value)
+int og_json_parse_bool(const json_t *element, bool *value)
 {
 	if (json_typeof(element) == JSON_TRUE)
 		*value = true;
diff --git a/src/json.h b/src/json.h
index 17e5698..1790d24 100644
--- a/src/json.h
+++ b/src/json.h
@@ -4,11 +4,11 @@
 #include <jansson.h>
 #include "schedule.h"
 
-int og_json_parse_string(json_t *element, const char **str);
-int og_json_parse_string_copy(json_t *element, char *str, size_t size);
-int og_json_parse_uint64(json_t *element, uint64_t *integer);
-int og_json_parse_uint(json_t *element, uint32_t *integer);
-int og_json_parse_bool(json_t *element, bool *value);
+int og_json_parse_string(const json_t *element, const char **str);
+int og_json_parse_string_copy(const json_t *element, char *str, size_t size);
+int og_json_parse_uint64(const json_t *element, uint64_t *integer);
+int og_json_parse_uint(const json_t *element, uint32_t *integer);
+int og_json_parse_bool(const json_t *element, bool *value);
 
 #define OG_PARAM_PART_NUMBER			(1UL << 0)
 #define OG_PARAM_PART_CODE			(1UL << 1)