diff options
| -rw-r--r-- | src/MinedMap.cpp | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/src/MinedMap.cpp b/src/MinedMap.cpp index 7e7d249..6207306 100644 --- a/src/MinedMap.cpp +++ b/src/MinedMap.cpp @@ -33,7 +33,6 @@ #include <cstring> #include <cstdlib> #include <iostream> -#include <regex> #include <system_error> #include <sys/types.h> @@ -134,8 +133,6 @@ static void doRegion(const std::string &input, const std::string &output) { } int main(int argc, char *argv[]) { - static const std::regex re("r\\.(-?\\d+)\\.(-?\\d+)\\.mca"); - if (argc < 3) { std::fprintf(stderr, "Usage: %s <data directory> <output directory>\n", argv[0]); return 1; @@ -156,15 +153,19 @@ int main(int argc, char *argv[]) { struct dirent *entry; while ((entry = readdir(dir)) != nullptr) { - std::cmatch m; - if (std::regex_match(entry->d_name, m, re)) { - int x = std::atoi(m[1].str().c_str()); + int x, z; + if (std::sscanf(entry->d_name, "r.%i.%i.mca", &x, &z) == 2) { + size_t l = strlen(entry->d_name) + 1; + char buf[l]; + std::snprintf(buf, l, "r.%i.%i.mca", x, z); + if (std::memcmp(entry->d_name, buf, l)) + continue; + if (x < minX) minX = x; if (x > maxX) maxX = x; - int z = std::atoi(m[2].str().c_str()); if (z < minZ) minZ = z; if (z > maxZ) |