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Diffstat (limited to 'src/libs6/ftrigw_clean.c')
-rw-r--r--src/libs6/ftrigw_clean.c39
1 files changed, 39 insertions, 0 deletions
diff --git a/src/libs6/ftrigw_clean.c b/src/libs6/ftrigw_clean.c
new file mode 100644
index 0000000..1198828
--- /dev/null
+++ b/src/libs6/ftrigw_clean.c
@@ -0,0 +1,39 @@
+/* ISC license. */
+
+#include <unistd.h>
+#include <errno.h>
+#include <skalibs/direntry.h>
+#include <skalibs/bytestr.h>
+#include <skalibs/djbunix.h>
+#include "ftrig1.h"
+#include <s6/ftrigw.h>
+
+int ftrigw_clean (char const *path)
+{
+ unsigned int pathlen = str_len(path) ;
+ int e = 0 ;
+ DIR *dir = opendir(path) ;
+ if (!dir) return 0 ;
+ {
+ char tmp[pathlen + FTRIG1_PREFIXLEN + 45] ;
+ byte_copy(tmp, pathlen, path) ;
+ tmp[pathlen] = '/' ; tmp[pathlen + FTRIG1_PREFIXLEN + 44] = 0 ;
+ for (;;)
+ {
+ direntry *d ;
+ int fd ;
+ errno = 0 ;
+ d = readdir(dir) ;
+ if (!d) break ;
+ if (str_diffn(d->d_name, FTRIG1_PREFIX, FTRIG1_PREFIXLEN)) continue ;
+ if (str_len(d->d_name) != FTRIG1_PREFIXLEN + 43) continue ;
+ byte_copy(tmp + pathlen + 1, FTRIG1_PREFIXLEN + 43, d->d_name) ;
+ fd = open_write(tmp) ;
+ if (fd >= 0) fd_close(fd) ;
+ else if ((errno == ENXIO) && (unlink(tmp) < 0)) e = errno ;
+ }
+ }
+ if (errno) e = errno ;
+ dir_close(dir) ;
+ return e ? (errno = e, 0) : 1 ;
+}