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Merge pull request #36 from iMobs/const_objects

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Add const qualifiers
This commit is contained in:
Max Bruckner 2016-10-10 13:29:51 +07:00 committed by GitHub
commit 1822521a14
2 changed files with 26 additions and 26 deletions
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36
cJSON.c
View File

@ -257,7 +257,7 @@ static char* ensure(printbuffer *p, int needed)
}
/* calculate the new length of the string in a printbuffer */
static int update(printbuffer *p)
static int update(const printbuffer *p)
{
char *str;
if (!p || !p->buffer)
@ -270,7 +270,7 @@ static int update(printbuffer *p)
}
/* Render the number nicely from the given item into a string. */
static char *print_number(cJSON *item, printbuffer *p)
static char *print_number(const cJSON *item, printbuffer *p)
{
char *str = 0;
double d = item->valuedouble;
@ -760,18 +760,18 @@ static char *print_string_ptr(const char *str, printbuffer *p)
}
/* Invoke print_string_ptr (which is useful) on an item. */
static char *print_string(cJSON *item, printbuffer *p)
static char *print_string(const cJSON *item, printbuffer *p)
{
return print_string_ptr(item->valuestring, p);
}
/* Predeclare these prototypes. */
static const char *parse_value(cJSON *item, const char *value, const char **ep);
static char *print_value(cJSON *item, int depth, int fmt, printbuffer *p);
static char *print_value(const cJSON *item, int depth, int fmt, printbuffer *p);
static const char *parse_array(cJSON *item, const char *value, const char **ep);
static char *print_array(cJSON *item, int depth, int fmt, printbuffer *p);
static char *print_array(const cJSON *item, int depth, int fmt, printbuffer *p);
static const char *parse_object(cJSON *item, const char *value, const char **ep);
static char *print_object(cJSON *item, int depth, int fmt, printbuffer *p);
static char *print_object(const cJSON *item, int depth, int fmt, printbuffer *p);
/* Utility to jump whitespace and cr/lf */
static const char *skip(const char *in)
@ -831,17 +831,17 @@ cJSON *cJSON_Parse(const char *value)
}
/* Render a cJSON item/entity/structure to text. */
char *cJSON_Print(cJSON *item)
char *cJSON_Print(const cJSON *item)
{
return print_value(item, 0, 1, 0);
}
char *cJSON_PrintUnformatted(cJSON *item)
char *cJSON_PrintUnformatted(const cJSON *item)
{
return print_value(item, 0, 0, 0);
}
char *cJSON_PrintBuffered(cJSON *item, int prebuffer, int fmt)
char *cJSON_PrintBuffered(const cJSON *item, int prebuffer, int fmt)
{
printbuffer p;
p.buffer = (char*)cJSON_malloc(prebuffer);
@ -899,7 +899,7 @@ static const char *parse_value(cJSON *item, const char *value, const char **ep)
}
/* Render a value to text. */
static char *print_value(cJSON *item, int depth, int fmt, printbuffer *p)
static char *print_value(const cJSON *item, int depth, int fmt, printbuffer *p)
{
char *out = 0;
@ -1045,7 +1045,7 @@ static const char *parse_array(cJSON *item,const char *value,const char **ep)
}
/* Render an array to text */
static char *print_array(cJSON *item, int depth, int fmt, printbuffer *p)
static char *print_array(const cJSON *item, int depth, int fmt, printbuffer *p)
{
char **entries;
char *out = 0;
@ -1306,7 +1306,7 @@ static const char *parse_object(cJSON *item, const char *value, const char **ep)
}
/* Render an object to text. */
static char *print_object(cJSON *item, int depth, int fmt, printbuffer *p)
static char *print_object(const cJSON *item, int depth, int fmt, printbuffer *p)
{
char **entries = 0;
char **names = 0;
@ -1581,7 +1581,7 @@ static char *print_object(cJSON *item, int depth, int fmt, printbuffer *p)
}
/* Get Array size/item / object item. */
int cJSON_GetArraySize(cJSON *array)
int cJSON_GetArraySize(const cJSON *array)
{
cJSON *c = array->child;
int i = 0;
@ -1593,7 +1593,7 @@ int cJSON_GetArraySize(cJSON *array)
return i;
}
cJSON *cJSON_GetArrayItem(cJSON *array, int item)
cJSON *cJSON_GetArrayItem(const cJSON *array, int item)
{
cJSON *c = array ? array->child : 0;
while (c && item > 0)
@ -1605,7 +1605,7 @@ cJSON *cJSON_GetArrayItem(cJSON *array, int item)
return c;
}
cJSON *cJSON_GetObjectItem(cJSON *object, const char *string)
cJSON *cJSON_GetObjectItem(const cJSON *object, const char *string)
{
cJSON *c = object ? object->child : 0;
while (c && cJSON_strcasecmp(c->string, string))
@ -1615,7 +1615,7 @@ cJSON *cJSON_GetObjectItem(cJSON *object, const char *string)
return c;
}
int cJSON_HasObjectItem(cJSON *object,const char *string)
int cJSON_HasObjectItem(const cJSON *object,const char *string)
{
return cJSON_GetObjectItem(object, string) ? 1 : 0;
}
@ -1628,7 +1628,7 @@ static void suffix_object(cJSON *prev, cJSON *item)
}
/* Utility for handling references. */
static cJSON *create_reference(cJSON *item)
static cJSON *create_reference(const cJSON *item)
{
cJSON *ref = cJSON_New_Item();
if (!ref)
@ -2052,7 +2052,7 @@ cJSON *cJSON_CreateStringArray(const char **strings, int count)
}
/* Duplication */
cJSON *cJSON_Duplicate(cJSON *item, int recurse)
cJSON *cJSON_Duplicate(const cJSON *item, int recurse)
{
cJSON *newitem;
cJSON *cptr;

16
cJSON.h
View File

@ -76,21 +76,21 @@ extern void cJSON_InitHooks(cJSON_Hooks* hooks);
/* Supply a block of JSON, and this returns a cJSON object you can interrogate. Call cJSON_Delete when finished. */
extern cJSON *cJSON_Parse(const char *value);
/* Render a cJSON entity to text for transfer/storage. Free the char* when finished. */
extern char *cJSON_Print(cJSON *item);
extern char *cJSON_Print(const cJSON *item);
/* Render a cJSON entity to text for transfer/storage without any formatting. Free the char* when finished. */
extern char *cJSON_PrintUnformatted(cJSON *item);
extern char *cJSON_PrintUnformatted(const cJSON *item);
/* Render a cJSON entity to text using a buffered strategy. prebuffer is a guess at the final size. guessing well reduces reallocation. fmt=0 gives unformatted, =1 gives formatted */
extern char *cJSON_PrintBuffered(cJSON *item, int prebuffer, int fmt);
extern char *cJSON_PrintBuffered(const cJSON *item, int prebuffer, int fmt);
/* Delete a cJSON entity and all subentities. */
extern void cJSON_Delete(cJSON *c);
/* Returns the number of items in an array (or object). */
extern int cJSON_GetArraySize(cJSON *array);
extern int cJSON_GetArraySize(const cJSON *array);
/* Retrieve item number "item" from array "array". Returns NULL if unsuccessful. */
extern cJSON *cJSON_GetArrayItem(cJSON *array, int item);
extern cJSON *cJSON_GetArrayItem(const cJSON *array, int item);
/* Get item "string" from object. Case insensitive. */
extern cJSON *cJSON_GetObjectItem(cJSON *object, const char *string);
extern int cJSON_HasObjectItem(cJSON *object, const char *string);
extern cJSON *cJSON_GetObjectItem(const cJSON *object, const char *string);
extern int cJSON_HasObjectItem(const cJSON *object, const char *string);
/* For analysing failed parses. This returns a pointer to the parse error. You'll probably need to look a few chars back to make sense of it. Defined when cJSON_Parse() returns 0. 0 when cJSON_Parse() succeeds. */
extern const char *cJSON_GetErrorPtr(void);
@ -130,7 +130,7 @@ extern void cJSON_ReplaceItemInArray(cJSON *array, int which, cJSON *newitem);
extern void cJSON_ReplaceItemInObject(cJSON *object,const char *string,cJSON *newitem);
/* Duplicate a cJSON item */
extern cJSON *cJSON_Duplicate(cJSON *item, int recurse);
extern cJSON *cJSON_Duplicate(const cJSON *item, int recurse);
/* Duplicate will create a new, identical cJSON item to the one you pass, in new memory that will
need to be released. With recurse!=0, it will duplicate any children connected to the item.
The item->next and ->prev pointers are always zero on return from Duplicate. */