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-rw-r--r--libbb/recursive_action.c98
1 files changed, 48 insertions, 50 deletions
diff --git a/libbb/recursive_action.c b/libbb/recursive_action.c
index 6949e34f3..0d6567dda 100644
--- a/libbb/recursive_action.c
+++ b/libbb/recursive_action.c
@@ -22,20 +22,27 @@
* and so isn't sufficiently portable to take over since glibc2.1
* is so stinking huge.
*/
+
+static int true_action(const char *fileName, struct stat *statbuf, void* userData)
+{
+ return TRUE;
+}
+
int recursive_action(const char *fileName,
int recurse, int followLinks, int depthFirst,
int (*fileAction) (const char *fileName, struct stat * statbuf, void* userData),
int (*dirAction) (const char *fileName, struct stat * statbuf, void* userData),
void* userData)
{
- int status;
struct stat statbuf;
+ int status;
+ DIR *dir;
struct dirent *next;
- if (followLinks)
- status = stat(fileName, &statbuf);
- else
- status = lstat(fileName, &statbuf);
+ if (!fileAction) fileAction = true_action;
+ if (!dirAction) dirAction = true_action;
+
+ status = (followLinks ? stat : lstat)(fileName, &statbuf);
if (status < 0) {
#ifdef DEBUG_RECURS_ACTION
@@ -47,63 +54,54 @@ int recursive_action(const char *fileName,
}
if (!followLinks && (S_ISLNK(statbuf.st_mode))) {
- if (fileAction == NULL)
- return TRUE;
- else
- return fileAction(fileName, &statbuf, userData);
+ return fileAction(fileName, &statbuf, userData);
}
if (!recurse) {
if (S_ISDIR(statbuf.st_mode)) {
- if (dirAction != NULL)
- return (dirAction(fileName, &statbuf, userData));
- else
- return TRUE;
+ return dirAction(fileName, &statbuf, userData);
}
}
- if (S_ISDIR(statbuf.st_mode)) {
- DIR *dir;
+ if (!S_ISDIR(statbuf.st_mode))
+ return fileAction(fileName, &statbuf, userData);
- if (dirAction != NULL && !depthFirst) {
- status = dirAction(fileName, &statbuf, userData);
- if (!status) {
- bb_perror_msg("%s", fileName);
- return FALSE;
- } else if (status == SKIP)
- return TRUE;
- }
- dir = opendir(fileName);
- if (!dir) {
+ if (!depthFirst) {
+ status = dirAction(fileName, &statbuf, userData);
+ if (!status) {
+ bb_perror_msg("%s", fileName);
return FALSE;
}
- status = TRUE;
- while ((next = readdir(dir)) != NULL) {
- char *nextFile;
-
- nextFile = concat_subpath_file(fileName, next->d_name);
- if(nextFile == NULL)
- continue;
- if (!recursive_action(nextFile, TRUE, followLinks, depthFirst,
- fileAction, dirAction, userData)) {
- status = FALSE;
- }
- free(nextFile);
- }
- closedir(dir);
- if (dirAction != NULL && depthFirst) {
- if (!dirAction(fileName, &statbuf, userData)) {
- bb_perror_msg("%s", fileName);
- return FALSE;
- }
+ if (status == SKIP)
+ return TRUE;
+ }
+
+ dir = opendir(fileName);
+ if (!dir) {
+ return FALSE;
+ }
+ status = TRUE;
+ while ((next = readdir(dir)) != NULL) {
+ char *nextFile;
+
+ nextFile = concat_subpath_file(fileName, next->d_name);
+ if (nextFile == NULL)
+ continue;
+ if (!recursive_action(nextFile, TRUE, followLinks, depthFirst,
+ fileAction, dirAction, userData)) {
+ status = FALSE;
}
- if (!status)
+ free(nextFile);
+ }
+ closedir(dir);
+ if (depthFirst) {
+ if (!dirAction(fileName, &statbuf, userData)) {
+ bb_perror_msg("%s", fileName);
return FALSE;
- } else {
- if (fileAction == NULL)
- return TRUE;
- else
- return fileAction(fileName, &statbuf, userData);
+ }
}
+
+ if (!status)
+ return FALSE;
return TRUE;
}