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Workaround for old libraries without regex support

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This commit is contained in:
Matthias Schiffer 2015-02-02 03:33:43 +01:00
parent bedd81dce6
commit a3d6648fa6
1 changed files with 8 additions and 7 deletions
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15
src/MinedMap.cpp
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@ -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)