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//-----------------------------------------------------------------------------
// Name: datemodified.cpp
// Developer: Wolfire Games LLC
// Description:
// License: Read below
//-----------------------------------------------------------------------------
//
// Copyright 2022 Wolfire Games LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
//-----------------------------------------------------------------------------
#include "datemodified.h"
#ifndef NO_ERR
#include <Internal/error.h>
#endif
#include <Internal/profiler.h>
#ifdef _WIN32
#define NOMINMAX
#include <windows.h>
#endif
#include <sys/stat.h>
#include <stdio.h>
#include <errno.h>
#include <cstring>
#include <string>
#include <ctime>
using std::string;
bool GetDateModifiedString(const char *file_name, char *buffer, int buffer_size) {
#ifdef _WIN32
struct _stat buf;
int result;
char timebuf[26];
errno_t err;
// Get data associated with "crt_stat.c":
const int buf_size = 2048;
WCHAR path_utf16[buf_size];
if (!MultiByteToWideChar(CP_UTF8, 0, file_name, -1, path_utf16, buf_size)) {
#ifndef NO_ERR
FatalError("Error", "Error converting utf8 string to utf16: %s", file_name);
#endif
}
result = _wstat(path_utf16, &buf);
// Check if statistics are valid:
while (result != 0) {
#ifndef NO_ERR
string error = "Could not find: " + string(file_name);
ErrorResponse response = DisplayError("Error", error.c_str(), _ok_cancel_retry);
if (response == _retry) {
result = _wstat(path_utf16, &buf);
} else if (response == _continue) {
return false;
}
#else
return false;
#endif
}
err = ctime_s(timebuf, 26, &buf.st_mtime);
if (err) {
#ifndef NO_ERR
DisplayError("Error", "Problem getting date modified string.");
#endif
return false;
}
strncpy(buffer, timebuf, buffer_size);
return true;
#else // standard unix implementation
struct stat buf;
int result;
char timebuf[26];
// Get data associated with "crt_stat.c":
const char* path = file_name;
result = stat(path, &buf);
// Check if statistics are valid:
if (result != 0) {
const int BUF_SIZE = 512;
char err_buf[BUF_SIZE];
#ifndef NO_ERR
if (errno == ENOENT) {
snprintf(err_buf, BUF_SIZE, "The file doesn't exist: %s", file_name);
DisplayError("Error", err_buf);
} else if (errno == EACCES) {
snprintf(err_buf, BUF_SIZE, "I don't have permission to read that file: %s", file_name);
DisplayError("Error", err_buf);
} else {
snprintf(err_buf, BUF_SIZE, "Problem getting date modified: %s", file_name);
DisplayError("Error", err_buf);
}
#endif
return false;
} else {
sprintf(timebuf, "%li", buf.st_mtime);
strncpy(buffer, timebuf, buffer_size);
return true;
/*unsigned short sum;
for(int i=0; i<26; i++){
sum += timebuf[i]*i;
}*/
}
#endif
}
int64_t GetDateModifiedInt64(const Path &path) {
return GetDateModifiedInt64(path.GetFullPath());
}
int64_t GetDateModifiedInt64(const char *abs_path) {
PROFILER_ZONE(g_profiler_ctx, "GetDateModifiedInt64");
#ifdef _WIN32
struct _stat buf;
int result;
// Get data associated with "crt_stat.c":
const int BUF_SIZE = 4096;
WCHAR path_utf16[BUF_SIZE];
{
PROFILER_ZONE(g_profiler_ctx, "MultiByteToWideChar");
if (!MultiByteToWideChar(CP_UTF8, 0, abs_path, -1, path_utf16, BUF_SIZE)) {
#ifndef NO_ERR
FatalError("Error", "Error converting utf8 string to utf16: %s", abs_path);
#endif
return -1;
}
}
{
PROFILER_ZONE(g_profiler_ctx, "_wstat");
result = _wstat(path_utf16, &buf);
}
// Check if statistics are valid:
while (result != 0) {
return -1;
}
return (int64_t)buf.st_mtime;
#elif defined(__APPLE__) || defined(__linux__)
struct stat buf;
int result;
// Get data associated with "crt_stat.c":
const char* path = abs_path;
result = stat(path, &buf);
// Check if statistics are valid:
if (result != 0) {
return -1;
} else {
return (int64_t)buf.st_mtime;
}
#endif
}
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