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--- src/file_utils.cpp.orig 2021-07-08 06:23:59 UTC
+++ src/file_utils.cpp
@@ -2,6 +2,7 @@
#include "string_utils.h"
#include <sys/types.h>
#include <sys/stat.h>
+#include <sys/sysctl.h>
#include <unistd.h>
#include <dirent.h>
#include <limits.h>
@@ -107,9 +108,36 @@ std::string read_symlink(const char * link)
return std::string(result, (count > 0) ? count : 0);
}
+template <>
+int read_sysctl(const char* name)
+{
+ int value;
+ size_t len = sizeof(value);
+
+ if (sysctlbyname(name, &value, &len, NULL, 0) == 0)
+ return value;
+ else return -1;
+}
+
+template <>
+std::string read_sysctl(const char* name)
+{
+ size_t len;
+
+ // How large buffer do we need?
+ if (sysctlbyname(name, NULL, &len, NULL, 0) != 0)
+ return "";
+
+ char value[len];
+ // Now read the actual value into it.
+ if (sysctlbyname(name, value, &len, NULL, 0) == 0)
+ return value;
+ else return "";
+}
+
std::string get_exe_path()
{
- return read_symlink("/proc/self/exe");
+ return read_symlink(PROCDIR "/self/exe");
}
std::string get_wine_exe_name(bool keep_ext)
@@ -119,14 +147,14 @@ std::string get_wine_exe_name(bool keep_ext)
return std::string();
}
- std::string line = read_line("/proc/self/comm"); // max 16 characters though
+ std::string line = read_line(PROCDIR "/self/comm"); // max 16 characters though
if (ends_with(line, ".exe", true))
{
auto dot = keep_ext ? std::string::npos : line.find_last_of('.');
return line.substr(0, dot);
}
- std::ifstream cmdline("/proc/self/cmdline");
+ std::ifstream cmdline(PROCDIR "/self/cmdline");
// Iterate over arguments (separated by NUL byte).
while (std::getline(cmdline, line, '\0')) {
auto n = std::string::npos;
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