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fix: add allocate check for replace_item_in_object (#675) 

Signed-off-by: Junbo Zheng <zhengjunbo1@xiaomi.com>
This commit is contained in:
Junbo Zheng 2022-03-29 15:02:59 +08:00 committed by GitHub
parent a6424b85dd
commit b45f48e600
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 12 additions and 7 deletions
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19
cJSON.c
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@ -96,9 +96,9 @@ CJSON_PUBLIC(const char *) cJSON_GetErrorPtr(void)
return (const char*) (global_error.json + global_error.position);
}
CJSON_PUBLIC(char *) cJSON_GetStringValue(const cJSON * const item)
CJSON_PUBLIC(char *) cJSON_GetStringValue(const cJSON * const item)
{
if (!cJSON_IsString(item))
if (!cJSON_IsString(item))
{
return NULL;
}
@ -106,9 +106,9 @@ CJSON_PUBLIC(char *) cJSON_GetStringValue(const cJSON * const item)
return item->valuestring;
}
CJSON_PUBLIC(double) cJSON_GetNumberValue(const cJSON * const item)
CJSON_PUBLIC(double) cJSON_GetNumberValue(const cJSON * const item)
{
if (!cJSON_IsNumber(item))
if (!cJSON_IsNumber(item))
{
return (double) NAN;
}
@ -511,7 +511,7 @@ static unsigned char* ensure(printbuffer * const p, size_t needed)
return NULL;
}
memcpy(newbuffer, p->buffer, p->offset + 1);
p->hooks.deallocate(p->buffer);
}
@ -1107,7 +1107,7 @@ CJSON_PUBLIC(cJSON *) cJSON_ParseWithLengthOpts(const char *value, size_t buffer
}
buffer.content = (const unsigned char*)value;
buffer.length = buffer_length;
buffer.length = buffer_length;
buffer.offset = 0;
buffer.hooks = global_hooks;
@ -2361,6 +2361,11 @@ static cJSON_bool replace_item_in_object(cJSON *object, const char *string, cJSO
cJSON_free(replacement->string);
}
replacement->string = (char*)cJSON_strdup((const unsigned char*)string, &global_hooks);
if (replacement->string == NULL)
{
return false;
}
replacement->type &= ~cJSON_StringIsConst;
return cJSON_ReplaceItemViaPointer(object, get_object_item(object, string, case_sensitive), replacement);
@ -2693,7 +2698,7 @@ CJSON_PUBLIC(cJSON *) cJSON_CreateStringArray(const char *const *strings, int co
if (a && a->child) {
a->child->prev = n;
}
return a;
}