Implement json_dump and json_dumps
This commit is contained in:
parent
9e63004c43
commit
7764f3f321
59
src/dump.c
59
src/dump.c
@ -8,6 +8,37 @@
|
||||
|
||||
typedef int (*dump_func)(const char *buffer, int size, void *data);
|
||||
|
||||
struct string
|
||||
{
|
||||
char *buffer;
|
||||
int length;
|
||||
int size;
|
||||
};
|
||||
|
||||
static int dump_to_string(const char *buffer, int size, void *data)
|
||||
{
|
||||
struct string *string = (struct string *)data;
|
||||
if(string->length + size > string->size)
|
||||
{
|
||||
if(string->length == 0)
|
||||
string->size = 16;
|
||||
else
|
||||
string->size *= 2;
|
||||
|
||||
string->buffer = realloc(string->buffer, string->size);
|
||||
if(!string->buffer)
|
||||
return -1;
|
||||
|
||||
memset(string->buffer + string->length, 0,
|
||||
string->size - string->length);
|
||||
}
|
||||
|
||||
memcpy(string->buffer + string->length, buffer, size);
|
||||
string->length += size;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int dump_to_file(const char *buffer, int size, void *data)
|
||||
{
|
||||
FILE *dest = (FILE *)data;
|
||||
@ -187,6 +218,34 @@ static int do_dump(const json_t *json, uint32_t flags, int depth,
|
||||
}
|
||||
|
||||
|
||||
int json_dump(const json_t *json, const char *path, uint32_t flags)
|
||||
{
|
||||
FILE *output = fopen(path, "w");
|
||||
if(!output)
|
||||
return -1;
|
||||
|
||||
return json_dumpf(json, output, flags);
|
||||
}
|
||||
|
||||
char *json_dumps(const json_t *json, uint32_t flags)
|
||||
{
|
||||
struct string string;
|
||||
char *result;
|
||||
memset(&string, 0, sizeof(struct string));
|
||||
|
||||
if(do_dump(json, flags, 0, dump_to_string, (void *)&string))
|
||||
return NULL;
|
||||
|
||||
if(dump_to_string("\n", 1, (void *)&string))
|
||||
return NULL;
|
||||
|
||||
/* consume just the right amount of memory */
|
||||
result = strdup(string.buffer);
|
||||
free(string.buffer);
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
int json_dumpf(const json_t *json, FILE *output, uint32_t flags)
|
||||
{
|
||||
if(do_dump(json, flags, 0, dump_to_file, (void *)output))
|
||||
|
Loading…
Reference in New Issue
Block a user