From 9f118870096fcd4ec8e1bea6fa95ba6845cc4860 Mon Sep 17 00:00:00 2001 From: Sascha Hauer Date: Thu, 23 Oct 2014 21:46:01 +0200 Subject: [PATCH] libfile: Add copy_recursive To recursively copy a directory tree. Signed-off-by: Sascha Hauer --- include/libfile.h | 2 ++ lib/libfile.c | 40 ++++++++++++++++++++++++++++++++++++++++ 2 files changed, 42 insertions(+) diff --git a/include/libfile.h b/include/libfile.h index 6c48ce0b6..d5b914a47 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 7ed4b9367..8acff042c 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