You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
141 lines
4.5 KiB
141 lines
4.5 KiB
// © 2016 and later: Unicode, Inc. and others.
|
|
// License & terms of use: http://www.unicode.org/copyright.html
|
|
/******************************************************************************
|
|
* Copyright (C) 2009-2013, International Business Machines
|
|
* Corporation and others. All Rights Reserved.
|
|
*******************************************************************************
|
|
*/
|
|
|
|
#include "unicode/platform.h"
|
|
#if U_PLATFORM == U_PF_MINGW
|
|
// *cough* - for struct stat
|
|
#ifdef __STRICT_ANSI__
|
|
#undef __STRICT_ANSI__
|
|
#endif
|
|
#endif
|
|
|
|
#include "filetools.h"
|
|
#include "filestrm.h"
|
|
#include "charstr.h"
|
|
#include "cstring.h"
|
|
#include "unicode/putil.h"
|
|
#include "putilimp.h"
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <sys/stat.h>
|
|
#include <time.h>
|
|
#include <string.h>
|
|
|
|
#if U_HAVE_DIRENT_H
|
|
#include <dirent.h>
|
|
typedef struct dirent DIRENT;
|
|
|
|
#define SKIP1 "."
|
|
#define SKIP2 ".."
|
|
#endif
|
|
|
|
static int32_t whichFileModTimeIsLater(const char *file1, const char *file2);
|
|
|
|
/*
|
|
* Goes through the given directory recursive to compare each file's modification time with that of the file given.
|
|
* Also can be given just one file to check against. Default value for isDir is FALSE.
|
|
*/
|
|
U_CAPI UBool U_EXPORT2
|
|
isFileModTimeLater(const char *filePath, const char *checkAgainst, UBool isDir) {
|
|
UBool isLatest = TRUE;
|
|
|
|
if (filePath == NULL || checkAgainst == NULL) {
|
|
return FALSE;
|
|
}
|
|
|
|
if (isDir == TRUE) {
|
|
#if U_HAVE_DIRENT_H
|
|
DIR *pDir = NULL;
|
|
if ((pDir= opendir(checkAgainst)) != NULL) {
|
|
DIR *subDirp = NULL;
|
|
DIRENT *dirEntry = NULL;
|
|
|
|
while ((dirEntry = readdir(pDir)) != NULL) {
|
|
if (uprv_strcmp(dirEntry->d_name, SKIP1) != 0 && uprv_strcmp(dirEntry->d_name, SKIP2) != 0) {
|
|
UErrorCode status = U_ZERO_ERROR;
|
|
icu::CharString newpath(checkAgainst, -1, status);
|
|
newpath.append(U_FILE_SEP_STRING, -1, status);
|
|
newpath.append(dirEntry->d_name, -1, status);
|
|
if (U_FAILURE(status)) {
|
|
fprintf(stderr, "%s:%d: %s\n", __FILE__, __LINE__, u_errorName(status));
|
|
return FALSE;
|
|
}
|
|
|
|
if ((subDirp = opendir(newpath.data())) != NULL) {
|
|
/* If this new path is a directory, make a recursive call with the newpath. */
|
|
closedir(subDirp);
|
|
isLatest = isFileModTimeLater(filePath, newpath.data(), isDir);
|
|
if (!isLatest) {
|
|
break;
|
|
}
|
|
} else {
|
|
int32_t latest = whichFileModTimeIsLater(filePath, newpath.data());
|
|
if (latest < 0 || latest == 2) {
|
|
isLatest = FALSE;
|
|
break;
|
|
}
|
|
}
|
|
|
|
}
|
|
}
|
|
closedir(pDir);
|
|
} else {
|
|
fprintf(stderr, "Unable to open directory: %s\n", checkAgainst);
|
|
return FALSE;
|
|
}
|
|
#endif
|
|
} else {
|
|
if (T_FileStream_file_exists(checkAgainst)) {
|
|
int32_t latest = whichFileModTimeIsLater(filePath, checkAgainst);
|
|
if (latest < 0 || latest == 2) {
|
|
isLatest = FALSE;
|
|
}
|
|
} else {
|
|
isLatest = FALSE;
|
|
}
|
|
}
|
|
|
|
return isLatest;
|
|
}
|
|
|
|
/* Compares the mod time of both files returning a number indicating which one is later. -1 if error ocurs. */
|
|
static int32_t whichFileModTimeIsLater(const char *file1, const char *file2) {
|
|
int32_t result = 0;
|
|
struct stat stbuf1, stbuf2;
|
|
|
|
if (stat(file1, &stbuf1) == 0 && stat(file2, &stbuf2) == 0) {
|
|
time_t modtime1, modtime2;
|
|
double diff;
|
|
|
|
modtime1 = stbuf1.st_mtime;
|
|
modtime2 = stbuf2.st_mtime;
|
|
|
|
diff = difftime(modtime1, modtime2);
|
|
if (diff < 0.0) {
|
|
result = 2;
|
|
} else if (diff > 0.0) {
|
|
result = 1;
|
|
}
|
|
|
|
} else {
|
|
fprintf(stderr, "Unable to get stats from file: %s or %s\n", file1, file2);
|
|
result = -1;
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
/* Swap the file separater character given with the new one in the file path. */
|
|
U_CAPI void U_EXPORT2
|
|
swapFileSepChar(char *filePath, const char oldFileSepChar, const char newFileSepChar) {
|
|
for (int32_t i = 0, length = static_cast<int32_t>(uprv_strlen(filePath)); i < length; i++) {
|
|
filePath[i] = (filePath[i] == oldFileSepChar ) ? newFileSepChar : filePath[i];
|
|
}
|
|
}
|