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Replace the glob() code with simple opendir stuff, since glob isn't supported

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on Windows.
This commit is contained in:
David Given
2019-07-07 00:38:29 +02:00
parent 27ced28ffd
commit e5baecbd4d
1 changed files with 32 additions and 8 deletions
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40
lib/fluxsource/kryoflux.cc
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@@ -4,7 +4,8 @@
#include "protocol.h"
#include "fmt/format.h"
#include <fstream>
#include <glob.h>
#include <sys/types.h>
#include <dirent.h>
#define MCLK_HZ (((18432000.0 * 73.0) / 14.0) / 2.0)
#define SCLK_HZ (MCLK_HZ / 2)
@@ -12,17 +13,40 @@
#define TICKS_PER_SCLK (TICK_FREQUENCY / SCLK_HZ)
static bool has_suffix(const std::string& haystack, const std::string& needle)
{
if (needle.length() > haystack.length())
return false;
return haystack.compare(haystack.length() - needle.length(), needle.length(), needle) == 0;
}
std::unique_ptr<Fluxmap> readStream(const std::string& dir, unsigned track, unsigned side)
{
std::string suffix = fmt::format("{:02}.{}.raw", track, side);
std::string pattern = fmt::format("{}*{}", dir, suffix);
glob_t globdata;
if (glob(pattern.c_str(), GLOB_NOSORT, NULL, &globdata))
DIR* dirp = opendir(dir.c_str());
if (!dirp)
Error() << fmt::format("cannot access path '{}'", dir);
if (globdata.gl_pathc != 1)
Error() << fmt::format("data is ambiguous --- multiple files end in {}", suffix);
std::string filename = globdata.gl_pathv[0];
globfree(&globdata);
std::string filename;
for (;;)
{
struct dirent* de = readdir(dirp);
if (!de)
break;
if (has_suffix(de->d_name, suffix))
{
if (!filename.empty())
Error() << fmt::format("data is ambiguous --- multiple files end in {}", suffix);
filename = fmt::format("{}/{}", dir, de->d_name);
}
}
closedir(dirp);
if (filename.empty())
Error() << fmt::format("failed to find track {} side {} in {}", track, side, dir);
return readStream(filename);
}