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cJSON_Print: Use printbuffer

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This commit is contained in:
Max Bruckner 2017-02-19 03:57:11 +01:00
parent fe2e0956ad
commit 80354bdb06
1 changed files with 53 additions and 2 deletions
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55
cJSON.c
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@ -865,15 +865,66 @@ cJSON *cJSON_Parse(const char *value)
return cJSON_ParseWithOpts(value, 0, 0);
}
#define min(a, b) ((a < b) ? a : b)
static unsigned char *print(const cJSON * const item, cjbool format)
{
printbuffer buffer[1];
unsigned char *printed = NULL;
memset(buffer, 0, sizeof(buffer));
/* create buffer */
buffer->buffer = (unsigned char*) cJSON_malloc(256);
if (buffer->buffer == NULL)
{
goto fail;
}
/* print the value */
if (print_value(item, 0, format, buffer) == NULL)
{
goto fail;
}
buffer->offset = update(buffer); /* update the length of the string */
/* copy the buffer over to a new one */
printed = (unsigned char*) cJSON_malloc(buffer->offset + 1);
if (printed == NULL)
{
goto fail;
}
strncpy((char*)printed, (char*)buffer->buffer, min(buffer->length, buffer->offset + 1));
printed[buffer->offset] = '\0'; /* just to be sure */
/* free the buffer */
cJSON_free(buffer->buffer);
return printed;
fail:
if (buffer->buffer != NULL)
{
cJSON_free(buffer->buffer);
}
if (printed != NULL)
{
cJSON_free(printed);
}
return NULL;
}
/* Render a cJSON item/entity/structure to text. */
char *cJSON_Print(const cJSON *item)
{
return (char*)print_value(item, 0, 1, 0);
return (char*)print(item, true);
}
char *cJSON_PrintUnformatted(const cJSON *item)
{
return (char*)print_value(item, 0, 0, 0);
return (char*)print(item, false);
}
char *cJSON_PrintBuffered(const cJSON *item, int prebuffer, cjbool fmt)