1 | #ifndef PROGRAM_NAME_HPP |
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2 | #define PROGRAM_NAME_HPP |
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3 | |
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4 | #include <mutex> |
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5 | #include <string> |
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6 | |
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7 | #if defined(_WIN32) |
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8 | #include <windows.h> |
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9 | |
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10 | namespace cpptrace { |
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11 | namespace detail { |
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12 | inline std::string program_name() { |
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13 | static std::mutex mutex; |
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14 | const std::lock_guard<std::mutex> lock(mutex); |
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15 | static std::string name; |
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16 | static bool did_init = false; |
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17 | static bool valid = false; |
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18 | if(!did_init) { |
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19 | did_init = true; |
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20 | char buffer[MAX_PATH + 1]; |
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21 | int res = GetModuleFileNameA(nullptr, buffer, MAX_PATH); |
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22 | if(res) { |
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23 | name = buffer; |
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24 | valid = true; |
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25 | } |
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26 | } |
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27 | return valid && !name.empty() ? name.c_str() : nullptr; |
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28 | } |
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29 | } |
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30 | } |
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31 | |
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32 | #elif defined(__APPLE__) |
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33 | |
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34 | #include <cstdint> |
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35 | #include <mach-o/dyld.h> |
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36 | #include <sys/syslimits.h> |
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37 | |
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38 | namespace cpptrace { |
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39 | namespace detail { |
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40 | inline const char* program_name() { |
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41 | static std::mutex mutex; |
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42 | const std::lock_guard<std::mutex> lock(mutex); |
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43 | static std::string name; |
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44 | static bool did_init = false; |
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45 | static bool valid = false; |
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46 | if(!did_init) { |
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47 | did_init = true; |
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48 | std::uint32_t bufferSize = PATH_MAX + 1; |
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49 | char buffer[bufferSize]; |
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50 | if(_NSGetExecutablePath(buffer, &bufferSize) == 0) { |
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51 | name.assign(buffer, bufferSize); |
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52 | valid = true; |
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53 | } |
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54 | } |
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55 | return valid && !name.empty() ? name.c_str() : nullptr; |
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56 | } |
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57 | } |
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58 | } |
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59 | |
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60 | #elif defined(__linux__) |
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61 | |
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62 | #include <linux/limits.h> |
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63 | #include <sys/types.h> |
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64 | #include <unistd.h> |
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65 | |
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66 | namespace cpptrace { |
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67 | namespace detail { |
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68 | inline const char* program_name() { |
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69 | static std::mutex mutex; |
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70 | const std::lock_guard<std::mutex> lock(mutex); |
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71 | static std::string name; |
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72 | static bool did_init = false; |
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73 | static bool valid = false; |
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74 | if(!did_init) { |
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75 | did_init = true; |
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76 | char buffer[PATH_MAX + 1]; |
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77 | const ssize_t size = readlink("/proc/self/exe", buffer, PATH_MAX); |
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78 | if(size == -1) { |
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79 | return nullptr; |
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80 | } |
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81 | buffer[size] = 0; |
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82 | name = buffer; |
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83 | valid = true; |
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84 | } |
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85 | return valid && !name.empty() ? name.c_str() : nullptr; |
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86 | } |
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87 | } |
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88 | } |
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89 | |
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90 | #endif |
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91 | |
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92 | #endif |
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