feedc0de/espcpputils
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Fixed bug

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This commit is contained in:
0xFEEDC0DE64
2021-02-04 06:16:10 +01:00
parent 471b524df2
commit dc67f5661b
1 changed files with 3 additions and 2 deletions
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5
include/esprandom.h
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@@ -4,6 +4,7 @@
#include <limits> #include <limits>
#include <random> #include <random>
#include <iterator> #include <iterator>
#include <cstring>
// esp-idf includes // esp-idf includes
#include <esp_system.h> #include <esp_system.h>
@@ -25,14 +26,14 @@ public:
std::string randomString(std::size_t length) std::string randomString(std::size_t length)
{ {
static constexpr const char chars[] = static constexpr auto chars =
"0123456789" "0123456789"
"ABCDEFGHIJKLMNOPQRSTUVWXYZ" "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
"abcdefghijklmnopqrstuvwxyz"; "abcdefghijklmnopqrstuvwxyz";
auto rng = esp_random_device{}; auto rng = esp_random_device{};
auto dist = std::uniform_int_distribution{{}, std::size(chars) - 1}; auto dist = std::uniform_int_distribution{{}, std::strlen(chars) - 1};
auto result = std::string(length, '\0'); auto result = std::string(length, '\0');
std::generate_n(std::begin(result), length, [&]() { return chars[dist(rng)]; }); std::generate_n(std::begin(result), length, [&]() { return chars[dist(rng)]; });