fix warning

CMakeLists.txt

@@ -152,7 +152,7 @@ target_include_directories(civetweb PUBLIC civetweb/include)
 # rtmp ?
 find_package(PkgConfig QUIET)
 pkg_check_modules(RTMP QUIET librtmp)
-MESSAGE("RTMP_FOUND = ${RTMP_FOUND}")
+MESSAGE("RTMP_FOUND = ${RTMP_FOUND} RTMP_INCLUDE_DIRS=${RTMP_INCLUDE_DIRS} RTMP_LIBRARIES=${RTMP_LIBRARIES}")
 if (RTMP_FOUND)
   add_definitions(-DHAVE_RTMP)
   target_link_libraries (${CMAKE_PROJECT_NAME} ${RTMP_LIBRARIES}) 

src/HttpServerRequestHandler.cpp

@@ -201,7 +201,7 @@ class PrometheusHandler : public CivetHandler
 
     static std::vector<std::string> read_proc_stat() {
         char stat_path[32];
-        std::sprintf(stat_path, "/proc/%d/stat", getpid());
+        std::snprintf(stat_path, sizeof(stat_path),"/proc/%d/stat", getpid());
         std::ifstream file(stat_path);
         std::string line;
         std::getline(file, line);
@@ -212,7 +212,7 @@ class PrometheusHandler : public CivetHandler
 
     static long get_fds_total() {
         char fd_path[32];
-        std::sprintf(fd_path, "/proc/%d/fd", getpid());
+        std::snprintf(fd_path, sizeof(fd_path), "/proc/%d/fd", getpid());
 
         long file_total = 0;
         DIR *dirp = opendir(fd_path);