1 /******************************************************************************
2 * Copyright (C) 2009, International Business Machines
3 * Corporation and others. All Rights Reserved.
4 *******************************************************************************
10 #include "unicode/putil.h"
20 typedef struct dirent DIRENT;
22 #define MAX_PATH_SIZE 4096 /* Set the limit for the size of the path. */
28 static int32_t whichFileModTimeIsLater(const char *file1, const char *file2);
31 * Goes through the given directory recursive to compare each file's modification time with that of the file given.
32 * Also can be given just one file to check against. Default value for isDir is FALSE.
34 U_CAPI UBool U_EXPORT2
35 isFileModTimeLater(const char *filePath, const char *checkAgainst, UBool isDir) {
36 UBool isLatest = TRUE;
38 if (filePath == NULL || checkAgainst == NULL) {
45 if ((pDir= opendir(checkAgainst)) != NULL) {
47 DIRENT *dirEntry = NULL;
49 while ((dirEntry = readdir(pDir)) != NULL) {
50 if (uprv_strcmp(dirEntry->d_name, SKIP1) != 0 && uprv_strcmp(dirEntry->d_name, SKIP2) != 0) {
51 char newpath[MAX_PATH_SIZE] = "";
52 uprv_strcpy(newpath, checkAgainst);
53 uprv_strcat(newpath, U_FILE_SEP_STRING);
54 uprv_strcat(newpath, dirEntry->d_name);
56 if ((subDirp = opendir(newpath)) != NULL) {
57 /* If this new path is a directory, make a recursive call with the newpath. */
59 isLatest = isFileModTimeLater(filePath, newpath, isDir);
64 int32_t latest = whichFileModTimeIsLater(filePath, newpath);
65 if (latest < 0 || latest == 2) {
75 fprintf(stderr, "Unable to open directory: %s\n", checkAgainst);
80 if (T_FileStream_file_exists(checkAgainst)) {
81 int32_t latest = whichFileModTimeIsLater(filePath, checkAgainst);
82 if (latest < 0 || latest == 2) {
93 /* Compares the mod time of both files returning a number indicating which one is later. -1 if error ocurs. */
94 static int32_t whichFileModTimeIsLater(const char *file1, const char *file2) {
96 struct stat stbuf1, stbuf2;
98 if (stat(file1, &stbuf1) == 0 && stat(file2, &stbuf2) == 0) {
99 time_t modtime1, modtime2;
102 modtime1 = stbuf1.st_mtime;
103 modtime2 = stbuf2.st_mtime;
105 diff = difftime(modtime1, modtime2);
108 } else if (diff > 0.0) {
113 fprintf(stderr, "Unable to get stats from file: %s or %s\n", file1, file2);
120 /* Swap the file separater character given with the new one in the file path. */
121 U_CAPI void U_EXPORT2
122 swapFileSepChar(char *filePath, const char oldFileSepChar, const char newFileSepChar) {
123 for (int32_t i = 0, length = uprv_strlen(filePath); i < length; i++) {
124 filePath[i] = (filePath[i] == oldFileSepChar ) ? newFileSepChar : filePath[i];