7 //     http://www.apache.org/licenses/LICENSE-2.0
27 #include <errno.h>
123   size_t len = path->size();  in CanonicalizePath()
128   path->resize(len);  in CanonicalizePath()
140   // WARNING: this function is performance-critical; please benchmark  in CanonicalizePath()
181           dst = components[component_count - 1];  in CanonicalizePath()
183           --component_count;  in CanonicalizePath()
213   *len = dst - start - 1;  in CanonicalizePath()
243     case '-':  in IsKnownShellSafeCharacter()
280     result->append(input);  in GetShellEscapedString()
287   result->push_back(kQuote);  in GetShellEscapedString()
293       result->append(span_begin, it);  in GetShellEscapedString()
294       result->append(kEscapeSequence);  in GetShellEscapedString()
298   result->append(span_begin, input.end());  in GetShellEscapedString()
299   result->push_back(kQuote);  in GetShellEscapedString()
306     result->append(input);  in GetWin32EscapedString()
313   result->push_back(kQuote);  in GetWin32EscapedString()
323         result->append(span_begin, it);  in GetWin32EscapedString()
324         result->append(consecutive_backslash_count + 1, kBackslash);  in GetWin32EscapedString()
333   result->append(span_begin, input.end());  in GetWin32EscapedString()
334   result->append(consecutive_backslash_count, kBackslash);  in GetWin32EscapedString()
335   result->push_back(kQuote);  in GetWin32EscapedString()
342   err->clear();  in ReadFile()
346     err->assign(GetLastErrorString());  in ReadFile()
347     return -ENOENT;  in ReadFile()
354       err->assign(GetLastErrorString());  in ReadFile()
355       contents->clear();  in ReadFile()
357       return -EIO;  in ReadFile()
361     contents->append(buf, len);  in ReadFile()
368     err->assign(strerror(errno));  in ReadFile()
369     return -errno;  in ReadFile()
374     err->assign(strerror(errno));  in ReadFile()
376     return -errno;  in ReadFile()
380   contents->reserve(st.st_size + 1);  in ReadFile()
385     contents->append(buf, len);  in ReadFile()
388     err->assign(strerror(errno));  // XXX errno?  in ReadFile()
389     contents->clear();  in ReadFile()
391     return -errno;  in ReadFile()
478   // isalpha() is locale-dependent.  in islatinalpha()
498     // Skip everything up to and including the next [a-zA-Z].  in StripAnsiEscapeCodes()
534       if (pieces[i] == "-") {  in parse()
550         vector<StringPiece>(&pieces[6], &pieces[optionalStart - 1]);  in parse()
556   string translate(string& path) const {  in translate()  function
611       string newPath = mp.translate(subsys->second.name);  in ParseMountInfo()
642     return -1;  in ParseCPUFromCGroup()
643   std::pair<int64_t, bool> quota = readCount(cpu->second + "/cpu.cfs_quota_us");  in ParseCPUFromCGroup()
644   if (!quota.second || quota.first == -1)  in ParseCPUFromCGroup()
645     return -1;  in ParseCPUFromCGroup()
647       readCount(cpu->second + "/cpu.cfs_period_us");  in ParseCPUFromCGroup()
649     return -1;  in ParseCPUFromCGroup()
671         if (info->Relationship == RelationProcessorCore &&  in GetProcessorCount()
672             info->Processor.GroupCount == 1) {  in GetProcessorCount()
673           for (KAFFINITY core_mask = info->Processor.GroupMask[0].Mask;  in GetProcessorCount()
678         i += info->Size;  in GetProcessorCount()
691 …// https://docs.microsoft.com/en-us/windows/win32/api/winnt/ns-winnt-jobobject_cpu_rate_control_in…  in GetProcessorCount()
701   int cgroupCount = -1;  in GetProcessorCount()
702   int schedCount = -1;  in GetProcessorCount()
708   // active, see https://github.com/ninja-build/ninja/issues/1278  in GetProcessorCount()
712   if (cpuset_getaffinity(CPU_LEVEL_WHICH, CPU_WHICH_TID, -1, sizeof(mask),  in GetProcessorCount()
733   static double previous_load = -0.0;  in CalculateProcessorLoad()
735   uint64_t idle_ticks_since_last_time = idle_ticks - previous_idle_ticks;  in CalculateProcessorLoad()
736   uint64_t total_ticks_since_last_time = total_ticks - previous_total_ticks;  in CalculateProcessorLoad()
748     double load_since_last_call = 1.0 - idle_to_total_ratio;  in CalculateProcessorLoad()
789     posix_compatible_load = -0.0;  in GetLoadAverage()
796   return -0.0f;  in GetLoadAverage()
802     return -0.0f;  in GetLoadAverage()
812     return -0.0f;  in GetLoadAverage()
817     return -0.0f;  in GetLoadAverage()
825     return -0.0f;  in GetLoadAverage()
841     size_t elide_size = (width - kMargin) / 2;  in ElideMiddle()
844       + result.substr(result.size() - elide_size, elide_size);  in ElideMiddle()
858   // Both truncate() and _chsize() return 0 on success and set errno and return  in Truncate()
859   // -1 on failure.  in Truncate()
861     *err = strerror(errno);  in Truncate()