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Fixed segmentation fault in StaticJsonBuffer (issue #104)

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Benoit Blanchon
2015-08-29 22:51:17 +02:00
parent a1943e21ed
commit 823a172681
6 changed files with 98 additions and 8 deletions
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26
include/ArduinoJson/JsonBuffer.hpp
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@@ -59,9 +59,15 @@ class JsonBuffer {
// allocation fails.
JsonArray &parseArray(char *json, uint8_t nestingLimit = DEFAULT_LIMIT);
// Same with a const char*.
// With this overload, the JsonBuffer will make a copy of the string
JsonArray &parseArray(const char *json, uint8_t nesting = DEFAULT_LIMIT) {
return parseArray(strdup(json), nesting);
}
// Same as above with a String class
JsonArray &parseArray(const String &json, uint8_t nesting = DEFAULT_LIMIT) {
return parseArray(strdup(json), nesting);
return parseArray(json.c_str(), nesting);
}
// Allocates and populate a JsonObject from a JSON string.
@@ -76,20 +82,30 @@ class JsonBuffer {
// allocation fails.
JsonObject &parseObject(char *json, uint8_t nestingLimit = DEFAULT_LIMIT);
// Same as above with a String class
JsonObject &parseObject(const String &json, uint8_t nesting = DEFAULT_LIMIT) {
// Same with a const char*.
// With this overload, the JsonBuffer will make a copy of the string
JsonObject &parseObject(const char *json, uint8_t nesting = DEFAULT_LIMIT) {
return parseObject(strdup(json), nesting);
}
// Same as above with a String class
JsonObject &parseObject(const String &json, uint8_t nesting = DEFAULT_LIMIT) {
return parseObject(json.c_str(), nesting);
}
// Duplicate a string
char *strdup(const char *src) { return strdup(src, strlen(src)); }
char *strdup(const char *src) {
return src ? strdup(src, strlen(src)) : NULL;
}
char *strdup(const String &src) { return strdup(src.c_str(), src.length()); }
char *strdup(const char *, size_t);
// Allocates n bytes in the JsonBuffer.
// Return a pointer to the allocated memory or NULL if allocation fails.
virtual void *alloc(size_t size) = 0;
private:
char *strdup(const char *, size_t);
// Default value of nesting limit of parseArray() and parseObject().
//
// The nesting limit is a contain on the level of nesting allowed in the JSON