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comparison: intl/icu/source/tools/toolutil/filetools.cpp
intl/icu/source/tools/toolutil/filetools.cpp
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| -1:000000000000 | 0:6871a601affd |
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| 1 /****************************************************************************** | |
| 2 * Copyright (C) 2009-2013, International Business Machines | |
| 3 * Corporation and others. All Rights Reserved. | |
| 4 ******************************************************************************* | |
| 5 */ | |
| 6 | |
| 7 #if U_PLATFORM == U_PF_MINGW | |
| 8 // *cough* - for struct stat | |
| 9 #ifdef __STRICT_ANSI__ | |
| 10 #undef __STRICT_ANSI__ | |
| 11 #endif | |
| 12 #endif | |
| 13 | |
| 14 #include "filetools.h" | |
| 15 #include "filestrm.h" | |
| 16 #include "cstring.h" | |
| 17 #include "unicode/putil.h" | |
| 18 #include "putilimp.h" | |
| 19 | |
| 20 #include <stdio.h> | |
| 21 #include <stdlib.h> | |
| 22 #include <sys/stat.h> | |
| 23 #include <time.h> | |
| 24 #include <string.h> | |
| 25 | |
| 26 #if U_HAVE_DIRENT_H | |
| 27 #include <dirent.h> | |
| 28 typedef struct dirent DIRENT; | |
| 29 | |
| 30 #define MAX_PATH_SIZE 4096 /* Set the limit for the size of the path. */ | |
| 31 | |
| 32 #define SKIP1 "." | |
| 33 #define SKIP2 ".." | |
| 34 #endif | |
| 35 | |
| 36 static int32_t whichFileModTimeIsLater(const char *file1, const char *file2); | |
| 37 | |
| 38 /* | |
| 39 * Goes through the given directory recursive to compare each file's modification time with that of the file given. | |
| 40 * Also can be given just one file to check against. Default value for isDir is FALSE. | |
| 41 */ | |
| 42 U_CAPI UBool U_EXPORT2 | |
| 43 isFileModTimeLater(const char *filePath, const char *checkAgainst, UBool isDir) { | |
| 44 UBool isLatest = TRUE; | |
| 45 | |
| 46 if (filePath == NULL || checkAgainst == NULL) { | |
| 47 return FALSE; | |
| 48 } | |
| 49 | |
| 50 if (isDir == TRUE) { | |
| 51 #if U_HAVE_DIRENT_H | |
| 52 DIR *pDir = NULL; | |
| 53 if ((pDir= opendir(checkAgainst)) != NULL) { | |
| 54 DIR *subDirp = NULL; | |
| 55 DIRENT *dirEntry = NULL; | |
| 56 | |
| 57 while ((dirEntry = readdir(pDir)) != NULL) { | |
| 58 if (uprv_strcmp(dirEntry->d_name, SKIP1) != 0 && uprv_strcmp(dirEntry->d_name, SKIP2) != 0) { | |
| 59 char newpath[MAX_PATH_SIZE] = ""; | |
| 60 uprv_strcpy(newpath, checkAgainst); | |
| 61 uprv_strcat(newpath, U_FILE_SEP_STRING); | |
| 62 uprv_strcat(newpath, dirEntry->d_name); | |
| 63 | |
| 64 if ((subDirp = opendir(newpath)) != NULL) { | |
| 65 /* If this new path is a directory, make a recursive call with the newpath. */ | |
| 66 closedir(subDirp); | |
| 67 isLatest = isFileModTimeLater(filePath, newpath, isDir); | |
| 68 if (!isLatest) { | |
| 69 break; | |
| 70 } | |
| 71 } else { | |
| 72 int32_t latest = whichFileModTimeIsLater(filePath, newpath); | |
| 73 if (latest < 0 || latest == 2) { | |
| 74 isLatest = FALSE; | |
| 75 break; | |
| 76 } | |
| 77 } | |
| 78 | |
| 79 } | |
| 80 } | |
| 81 closedir(pDir); | |
| 82 } else { | |
| 83 fprintf(stderr, "Unable to open directory: %s\n", checkAgainst); | |
| 84 return FALSE; | |
| 85 } | |
| 86 #endif | |
| 87 } else { | |
| 88 if (T_FileStream_file_exists(checkAgainst)) { | |
| 89 int32_t latest = whichFileModTimeIsLater(filePath, checkAgainst); | |
| 90 if (latest < 0 || latest == 2) { | |
| 91 isLatest = FALSE; | |
| 92 } | |
| 93 } else { | |
| 94 isLatest = FALSE; | |
| 95 } | |
| 96 } | |
| 97 | |
| 98 return isLatest; | |
| 99 } | |
| 100 | |
| 101 /* Compares the mod time of both files returning a number indicating which one is later. -1 if error ocurs. */ | |
| 102 static int32_t whichFileModTimeIsLater(const char *file1, const char *file2) { | |
| 103 int32_t result = 0; | |
| 104 struct stat stbuf1, stbuf2; | |
| 105 | |
| 106 if (stat(file1, &stbuf1) == 0 && stat(file2, &stbuf2) == 0) { | |
| 107 time_t modtime1, modtime2; | |
| 108 double diff; | |
| 109 | |
| 110 modtime1 = stbuf1.st_mtime; | |
| 111 modtime2 = stbuf2.st_mtime; | |
| 112 | |
| 113 diff = difftime(modtime1, modtime2); | |
| 114 if (diff < 0.0) { | |
| 115 result = 2; | |
| 116 } else if (diff > 0.0) { | |
| 117 result = 1; | |
| 118 } | |
| 119 | |
| 120 } else { | |
| 121 fprintf(stderr, "Unable to get stats from file: %s or %s\n", file1, file2); | |
| 122 result = -1; | |
| 123 } | |
| 124 | |
| 125 return result; | |
| 126 } | |
| 127 | |
| 128 /* Swap the file separater character given with the new one in the file path. */ | |
| 129 U_CAPI void U_EXPORT2 | |
| 130 swapFileSepChar(char *filePath, const char oldFileSepChar, const char newFileSepChar) { | |
| 131 for (int32_t i = 0, length = uprv_strlen(filePath); i < length; i++) { | |
| 132 filePath[i] = (filePath[i] == oldFileSepChar ) ? newFileSepChar : filePath[i]; | |
| 133 } | |
| 134 } |
