diff options
Diffstat (limited to 'meta/recipes-extended/logrotate/logrotate-3.8.1/act-as-mv-when-rotate.patch')
| -rw-r--r-- | meta/recipes-extended/logrotate/logrotate-3.8.1/act-as-mv-when-rotate.patch | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/meta/recipes-extended/logrotate/logrotate-3.8.1/act-as-mv-when-rotate.patch b/meta/recipes-extended/logrotate/logrotate-3.8.1/act-as-mv-when-rotate.patch new file mode 100644 index 0000000000..c9fb1d2525 --- /dev/null +++ b/meta/recipes-extended/logrotate/logrotate-3.8.1/act-as-mv-when-rotate.patch @@ -0,0 +1,107 @@ +Act as the "mv" command when rotate log + +Act as the "mv" command when rotate log, first rename, if failed, then +read and write. + +Upstream-Status: Pending + +Signed-off-by: Robert Yang <liezhi.yang@windriver.com> +--- + logrotate.c | 59 +++++++++++++++++++++++++++++++++++++++++++++++++++++------ + 1 files changed, 53 insertions(+), 6 deletions(-) + +diff --git a/logrotate.c b/logrotate.c +index 537e8d6..b04482f 100644 +--- a/logrotate.c ++++ b/logrotate.c +@@ -808,6 +808,53 @@ int findNeedRotating(struct logInfo *log, int logNum) + return 0; + } + ++/* Act as the "mv" command, if rename failed, then read the old file and ++ * write to new file. The function which invokes the mvFile will use ++ * the strerror(errorno) to handle the error message, so we don't have ++ * to print the error message here */ ++ ++int mvFile (char *oldName, char *newName, struct logInfo *log) ++{ ++ struct stat sbprev; ++ int fd_old, fd_new, n; ++ char buf[BUFSIZ]; ++ ++ /* Do the rename first */ ++ if (!rename(oldName, newName)) ++ return 0; ++ ++ /* If the errno is EXDEV, then read old file, write newfile and ++ * remove the oldfile */ ++ if (errno == EXDEV) { ++ /* Open the old file to read */ ++ if ((fd_old = open(oldName, O_RDONLY)) < 0) ++ return 1; ++ ++ /* Create the file to write, keep the same attribute as the old file */ ++ if (stat(oldName, &sbprev)) ++ return 1; ++ else { ++ if ((fd_new = createOutputFile(newName, ++ O_WRONLY | O_CREAT | O_TRUNC, &sbprev)) < 0 ) ++ return 1; ++ } ++ ++ /* Read and write */ ++ while ((n = read(fd_old, buf, BUFSIZ)) > 0) ++ if (write(fd_new, buf, n) != n) ++ return 1; ++ ++ if ((close(fd_old) < 0) || ++ removeLogFile(oldName, log) || ++ (close(fd_new) < 0)) ++ return 1; ++ ++ return 0; ++ } ++ ++ return 1; ++} ++ + int prerotateSingleLog(struct logInfo *log, int logNum, struct logState *state, + struct logNames *rotNames) + { +@@ -1148,15 +1195,15 @@ int prerotateSingleLog(struct logInfo *log, int logNum, struct logState *state, + rotNames->baseName, i, fileext, compext); + + message(MESS_DEBUG, +- "renaming %s to %s (rotatecount %d, logstart %d, i %d), \n", ++ "moving %s to %s (rotatecount %d, logstart %d, i %d), \n", + oldName, newName, rotateCount, logStart, i); + +- if (!debug && rename(oldName, newName)) { ++ if (!debug && mvFile(oldName, newName, log)) { + if (errno == ENOENT) { + message(MESS_DEBUG, "old log %s does not exist\n", + oldName); + } else { +- message(MESS_ERROR, "error renaming %s to %s: %s\n", ++ message(MESS_ERROR, "error moving %s to %s: %s\n", + oldName, newName, strerror(errno)); + hasErrors = 1; + } +@@ -1286,11 +1333,11 @@ int rotateSingleLog(struct logInfo *log, int logNum, struct logState *state, + } + } + #endif /* WITH_ACL */ +- message(MESS_DEBUG, "renaming %s to %s\n", log->files[logNum], ++ message(MESS_DEBUG, "moving %s to %s\n", log->files[logNum], + rotNames->finalName); + if (!debug && !hasErrors && +- rename(log->files[logNum], rotNames->finalName)) { +- message(MESS_ERROR, "failed to rename %s to %s: %s\n", ++ mvFile(log->files[logNum], rotNames->finalName, log)) { ++ message(MESS_ERROR, "failed to move %s to %s: %s\n", + log->files[logNum], rotNames->finalName, + strerror(errno)); + hasErrors = 1; +-- +1.7.4.1 + |