[C] Adding petstore sample written in C

samples/client/petstore/c/.gitignore

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+build/

samples/client/petstore/c/CMakeLists.txt

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+cmake_minimum_required (VERSION 2.6)
+project (CGenerator)
+
+file(GLOB SRC_C src/*.c)
+file(GLOB UNIT_TESTS_C unit-tests/*.c)
+file(GLOB MODEL_C model/*.c)
+file(GLOB API_C api/*.c)
+file(GLOB EXTERNAL_SRC_C external/src/*.c)
+set(ALL_SRC_LIST ${SRC_C} ${UNIT_TESTS_C} ${MODEL_C} ${API_C})
+
+include(CTest)
+include_directories(include)
+include_directories(external/include)
+
+find_program(VALGRIND valgrind)
+if(VALGRIND)
+	set(CMAKE_MEMORYCHECK_COMMAND valgrind)
+	set(CMAKE_MEMORYCHECK_COMMAND_OPTIONS "--leak-check=full --track-origins=yes --read-var-info=yes --show-leak-kinds=all --error-exitcode=1")
+	set(VALGRIND_LIST "")
+endif()
+
+find_package(CURL REQUIRED)
+if(CURL_FOUND)
+	include_directories(${CURL_INCLUDE_DIR})
+	set(PLATFORM_LIBRARIES ${PLATFORM_LIBRARIES} ${CURL_LIBRARIES} )
+else(CURL_FOUND)
+	message(FATAL_ERROR "Could not find the CURL library and development files.")
+endif()
+
+foreach(ELEMENT ${UNIT_TESTS_C})
+    get_filename_component(ELEMENT_NAME ${ELEMENT} NAME_WE)
+    string(REGEX REPLACE "\\.c$" "" ELEMENT_REPLACED ${ELEMENT_NAME})
+    set(EXE_NAME unit-${ELEMENT_REPLACED})
+	add_executable(${EXE_NAME} ${ELEMENT} ${SRC_C} ${MODEL_C} ${API_C} ${EXTERNAL_SRC_C})
+	target_link_libraries(${EXE_NAME} ${CURL_LIBRARIES})
+    add_test(NAME ${EXE_NAME} COMMAND ${CMAKE_CURRENT_BINARY_DIR}/${EXE_NAME})
+
+    if(VALGRIND)
+		set(memcheck_command "${CMAKE_MEMORYCHECK_COMMAND} ${CMAKE_MEMORYCHECK_COMMAND_OPTIONS}")
+		separate_arguments(memcheck_command)
+
+		add_test(
+			NAME valgrind-test-${ELEMENT_REPLACED}
+			COMMAND ${memcheck_command} ${CMAKE_CURRENT_BINARY_DIR}/${EXE_NAME}
+			WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
+		)
+	endif()
+endforeach()
+
+#For common coding standard (code beautifier/pretty printing)
+find_program(UNCRUSTIFY uncrustify)
+if(UNCRUSTIFY)
+	add_custom_target(
+		uncrustify
+	)
+
+	foreach(ELEMENT ${ALL_SRC_LIST})
+		string(REGEX REPLACE "/" "_" ELEMENT_NAME ${ELEMENT})
+		set(DEP_NAME "uncrustify-${ELEMENT_NAME}")
+		add_custom_target(
+			${DEP_NAME}
+			uncrustify -c uncrustify-rules.cfg --no-backup ${ELEMENT}
+			DEPENDS ${ELEMENT}
+			WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
+			VERBATIM
+		)
+		add_dependencies(uncrustify ${DEP_NAME})
+	endforeach()
+endif()

samples/client/petstore/c/api/petAPI.c

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+#include <stdlib.h>
+#include <stdio.h>
+#include "apiClient.h"
+#include "cJSON.h"
+#include "pet.h"
+
+#define MAX_BUFFER_LENGTH 9
+
+pet_t *petApi_getPetById(apiClient_t *apiClient, long petId) {
+	pet_t *pet;
+	char *petIdString = malloc(MAX_BUFFER_LENGTH);
+
+	snprintf(petIdString, MAX_BUFFER_LENGTH, "%li", petId);
+
+	apiClient_invoke(apiClient,
+	                 "pet",
+	                 petIdString,
+	                 NULL);
+	pet = pet_parseFromJSON(apiClient->dataReceived);
+	free(apiClient->dataReceived);
+	if(pet == NULL) {
+		return 0;
+	} else {
+		cJSON *jsonObject = pet_convertToJSON(pet);
+		cJSON_Delete(jsonObject);
+	}
+	free(petIdString);
+
+	return pet;
+}
+
+void *petApi_addPet(apiClient_t *apiClient, pet_t *pet) {
+	cJSON *petJSONObject;
+	char *petJSONString;
+
+	petJSONObject = pet_convertToJSON(pet);
+	petJSONString = cJSON_Print(petJSONObject);
+	apiClient_invoke(apiClient,
+	                 "pet",
+	                 NULL,
+	                 petJSONString);
+	free(apiClient->dataReceived);
+	free(petJSONString);
+	cJSON_Delete(petJSONObject);
+
+	return pet;
+}

samples/client/petstore/c/external/cJSON.licence

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+Copyright (c) 2009-2017 Dave Gamble and cJSON contributors
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.