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README: Add note about needing to free print results in examples

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Max Bruckner 2018-12-03 23:07:36 +01:00
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@ -298,6 +298,7 @@ In this example we want to build and parse the following JSON:
Let's build the above JSON and print it to a string: Let's build the above JSON and print it to a string:
```c ```c
//create a monitor with a list of supported resolutions //create a monitor with a list of supported resolutions
//NOTE: Returns a heap allocated string, you are required to free it after use.
char* create_monitor(void) char* create_monitor(void)
{ {
const unsigned int resolution_numbers[3][2] = { const unsigned int resolution_numbers[3][2] = {
@ -373,6 +374,7 @@ end:
Alternatively we can use the `cJSON_Add...ToObject` helper functions to make our lifes a little easier: Alternatively we can use the `cJSON_Add...ToObject` helper functions to make our lifes a little easier:
```c ```c
//NOTE: Returns a heap allocated string, you are required to free it after use.
char *create_monitor_with_helpers(void) char *create_monitor_with_helpers(void)
{ {
const unsigned int resolution_numbers[3][2] = { const unsigned int resolution_numbers[3][2] = {