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recursive_action: preparatory changes. will introduce "int level".
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51b4c92f80
commit
3b8fc1c582
@ -22,20 +22,27 @@
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* and so isn't sufficiently portable to take over since glibc2.1
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* is so stinking huge.
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*/
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static int true_action(const char *fileName, struct stat *statbuf, void* userData)
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{
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return TRUE;
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}
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int recursive_action(const char *fileName,
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int recurse, int followLinks, int depthFirst,
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int (*fileAction) (const char *fileName, struct stat * statbuf, void* userData),
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int (*dirAction) (const char *fileName, struct stat * statbuf, void* userData),
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void* userData)
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{
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int status;
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struct stat statbuf;
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int status;
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DIR *dir;
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struct dirent *next;
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if (followLinks)
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status = stat(fileName, &statbuf);
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else
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status = lstat(fileName, &statbuf);
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if (!fileAction) fileAction = true_action;
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if (!dirAction) dirAction = true_action;
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status = (followLinks ? stat : lstat)(fileName, &statbuf);
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if (status < 0) {
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#ifdef DEBUG_RECURS_ACTION
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@ -47,63 +54,54 @@ int recursive_action(const char *fileName,
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}
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if (!followLinks && (S_ISLNK(statbuf.st_mode))) {
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if (fileAction == NULL)
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return TRUE;
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else
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return fileAction(fileName, &statbuf, userData);
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return fileAction(fileName, &statbuf, userData);
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}
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if (!recurse) {
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if (S_ISDIR(statbuf.st_mode)) {
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if (dirAction != NULL)
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return (dirAction(fileName, &statbuf, userData));
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else
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return TRUE;
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return dirAction(fileName, &statbuf, userData);
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}
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}
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if (S_ISDIR(statbuf.st_mode)) {
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DIR *dir;
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if (!S_ISDIR(statbuf.st_mode))
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return fileAction(fileName, &statbuf, userData);
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if (dirAction != NULL && !depthFirst) {
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status = dirAction(fileName, &statbuf, userData);
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if (!status) {
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bb_perror_msg("%s", fileName);
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return FALSE;
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} else if (status == SKIP)
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return TRUE;
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}
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dir = opendir(fileName);
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if (!dir) {
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if (!depthFirst) {
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status = dirAction(fileName, &statbuf, userData);
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if (!status) {
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bb_perror_msg("%s", fileName);
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return FALSE;
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}
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status = TRUE;
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while ((next = readdir(dir)) != NULL) {
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char *nextFile;
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nextFile = concat_subpath_file(fileName, next->d_name);
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if(nextFile == NULL)
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continue;
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if (!recursive_action(nextFile, TRUE, followLinks, depthFirst,
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fileAction, dirAction, userData)) {
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status = FALSE;
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}
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free(nextFile);
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}
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closedir(dir);
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if (dirAction != NULL && depthFirst) {
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if (!dirAction(fileName, &statbuf, userData)) {
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bb_perror_msg("%s", fileName);
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return FALSE;
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}
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}
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if (!status)
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return FALSE;
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} else {
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if (fileAction == NULL)
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if (status == SKIP)
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return TRUE;
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else
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return fileAction(fileName, &statbuf, userData);
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}
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dir = opendir(fileName);
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if (!dir) {
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return FALSE;
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}
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status = TRUE;
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while ((next = readdir(dir)) != NULL) {
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char *nextFile;
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nextFile = concat_subpath_file(fileName, next->d_name);
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if (nextFile == NULL)
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continue;
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if (!recursive_action(nextFile, TRUE, followLinks, depthFirst,
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fileAction, dirAction, userData)) {
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status = FALSE;
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}
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free(nextFile);
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}
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closedir(dir);
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if (depthFirst) {
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if (!dirAction(fileName, &statbuf, userData)) {
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bb_perror_msg("%s", fileName);
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return FALSE;
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}
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}
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if (!status)
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return FALSE;
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return TRUE;
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}
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