diff options
Diffstat (limited to 'src/libcamera/utils.cpp')
-rw-r--r-- | src/libcamera/utils.cpp | 111 |
1 files changed, 0 insertions, 111 deletions
diff --git a/src/libcamera/utils.cpp b/src/libcamera/utils.cpp index 49b8fc9e..c7ebef68 100644 --- a/src/libcamera/utils.cpp +++ b/src/libcamera/utils.cpp @@ -7,16 +7,10 @@ #include "libcamera/internal/utils.h" -#include <dlfcn.h> -#include <elf.h> #include <iomanip> -#include <limits.h> -#include <link.h> #include <sstream> #include <stdlib.h> #include <string.h> -#include <sys/stat.h> -#include <sys/types.h> #include <unistd.h> /** @@ -24,9 +18,6 @@ * \brief Miscellaneous utility functions */ -/* musl doesn't declare _DYNAMIC in link.h, declare it manually. */ -extern ElfW(Dyn) _DYNAMIC[]; - namespace libcamera { namespace utils { @@ -352,108 +343,6 @@ std::string toAscii(const std::string &str) } /** - * \brief Check if libcamera is installed or not - * - * Utilise the build_rpath dynamic tag which is stripped out by meson at - * install time to determine at runtime if the library currently executing - * has been installed or not. - * - * \return True if libcamera is installed, false otherwise - */ -bool isLibcameraInstalled() -{ - /* - * DT_RUNPATH (DT_RPATH when the linker uses old dtags) is removed on - * install. - */ - for (const ElfW(Dyn) *dyn = _DYNAMIC; dyn->d_tag != DT_NULL; ++dyn) { - if (dyn->d_tag == DT_RUNPATH || dyn->d_tag == DT_RPATH) - return false; - } - - return true; -} - -/** - * \brief Retrieve the path to the build directory - * - * During development, it is useful to run libcamera binaries directly from the - * build directory without installing them. This function helps components that - * need to locate resources in the build tree, such as IPA modules or IPA proxy - * workers, by providing them with the path to the root of the build directory. - * Callers can then use it to complement or override searches in system-wide - * directories. - * - * If libcamera has been installed, the build directory path is not available - * and this function returns an empty string. - * - * \return The path to the build directory if running from a build, or an empty - * string otherwise - */ -std::string libcameraBuildPath() -{ - if (isLibcameraInstalled()) - return std::string(); - - Dl_info info; - - /* Look up our own symbol. */ - int ret = dladdr(reinterpret_cast<void *>(libcameraBuildPath), &info); - if (ret == 0) - return std::string(); - - std::string path = dirname(info.dli_fname) + "/../../"; - - char *real = realpath(path.c_str(), nullptr); - if (!real) - return std::string(); - - path = real; - free(real); - - return path + "/"; -} - -/** - * \brief Retrieve the path to the source directory - * - * During development, it is useful to run libcamera binaries directly from the - * build directory without installing them. This function helps components that - * need to locate resources in the source tree, such as IPA configuration - * files, by providing them with the path to the root of the source directory. - * Callers can then use it to complement or override searches in system-wide - * directories. - * - * If libcamera has been installed, the source directory path is not available - * and this function returns an empty string. - * - * \return The path to the source directory if running from a build directory, - * or an empty string otherwise - */ -std::string libcameraSourcePath() -{ - std::string path = libcameraBuildPath(); - if (path.empty()) - return std::string(); - - path += "source"; - - char *real = realpath(path.c_str(), nullptr); - if (!real) - return std::string(); - - path = real; - free(real); - - struct stat statbuf; - int ret = stat(path.c_str(), &statbuf); - if (ret < 0 || (statbuf.st_mode & S_IFMT) != S_IFDIR) - return std::string(); - - return path + "/"; -} - -/** * \fn alignDown(unsigned int value, unsigned int alignment) * \brief Align \a value down to \a alignment * \param[in] value The value to align |