To recursively copy a directory tree.
Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
---
include/libfile.h | 2 ++
lib/libfile.c | 40 ++++++++++++++++++++++++++++++++++++++++
2 files changed, 42 insertions(+)
diff --git a/include/libfile.h b/include/libfile.h
index 6c48ce0..d5b914a 100644
--- a/include/libfile.h
+++ b/include/libfile.h
@@ -15,6 +15,8 @@ int write_file(const char *filename, void *buf, size_t size);
int copy_file(const char *src, const char *dst, int verbose);
+int copy_recursive(const char *src, const char *dst);
+
int compare_file(const char *f1, const char *f2);
#endif /* __LIBFILE_H */
diff --git a/lib/libfile.c b/lib/libfile.c
index 7ed4b93..8acff04 100644
--- a/lib/libfile.c
+++ b/lib/libfile.c
@@ -332,6 +332,46 @@ out:
}
EXPORT_SYMBOL(copy_file);
+int copy_recursive(const char *src, const char *dst)
+{
+ struct stat s;
+ DIR *dir;
+ struct dirent *d;
+ int ret;
+
+ ret = stat(src, &s);
+ if (ret)
+ return ret;
+
+ if (!S_ISDIR(s.st_mode))
+ return copy_file(src, dst, 0);
+
+ ret = make_directory(dst);
+ if (ret)
+ return ret;
+
+ dir = opendir(src);
+ if (!dir)
+ return -EIO;
+
+ while ((d = readdir(dir))) {
+ char *from, *to;
+ if (!strcmp(d->d_name, ".") || !strcmp(d->d_name, ".."))
+ continue;
+
+ from = asprintf("%s/%s", src, d->d_name);
+ to = asprintf("%s/%s", dst, d->d_name);
+ ret = copy_recursive(from, to);
+ if (ret)
+ break;
+ free(from);
+ free(to);
+ }
+ closedir(dir);
+
+ return ret;
+}
+
/**
* compare_file - Compare two files
* @f1: The first file
--
2.1.1
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