diff options
Diffstat (limited to 'debian/patches/procfs-filesystems.patch')
| -rw-r--r-- | debian/patches/procfs-filesystems.patch | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/debian/patches/procfs-filesystems.patch b/debian/patches/procfs-filesystems.patch new file mode 100644 index 00000000..7205c7f1 --- /dev/null +++ b/debian/patches/procfs-filesystems.patch @@ -0,0 +1,98 @@ +From 4b2ab4810ef918cbc4c8bdb9a6f1476e70accace Mon Sep 17 00:00:00 2001 +From: Justus Winter <4winter@informatik.uni-hamburg.de> +Date: Thu, 18 Sep 2014 19:38:04 +0200 +Subject: [PATCH] procfs: implement /proc/filesystems + +* procfs/rootdir.c (rootdir_gc_filesystems): New function. +(rootdir_entries): Use the new function to implement /proc/filesystems. +--- + procfs/rootdir.c | 59 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++ + 1 file changed, 59 insertions(+) + +diff --git a/procfs/rootdir.c b/procfs/rootdir.c +index 0b13119..50ed0d3 100644 +--- a/procfs/rootdir.c ++++ b/procfs/rootdir.c +@@ -32,6 +32,7 @@ + #include <sys/stat.h> + #include <argz.h> + #include <ps.h> ++#include <glob.h> + #include "procfs.h" + #include "procfs_dir.h" + #include "main.h" +@@ -535,6 +536,57 @@ rootdir_gc_slabinfo (void *hook, char **contents, ssize_t *contents_len) + cache_info, cache_info_count * sizeof *cache_info); + return err; + } ++ ++static error_t ++rootdir_gc_filesystems (void *hook, char **contents, ssize_t *contents_len) ++{ ++ error_t err = 0; ++ size_t i; ++ int glob_ret; ++ glob_t matches; ++ FILE *m; ++ ++ m = open_memstream (contents, contents_len); ++ if (m == NULL) ++ return errno; ++ ++ glob_ret = glob (_HURD "*fs", 0, NULL, &matches); ++ switch (glob_ret) ++ { ++ case 0: ++ for (i = 0; i < matches.gl_pathc; i++) ++ { ++ /* Get ith entry, shave off the prefix. */ ++ char *name = &matches.gl_pathv[i][sizeof _HURD - 1]; ++ ++ /* Linux naming convention is a bit inconsistent. */ ++ if (strncmp (name, "ext", 3) == 0 ++ || strcmp (name, "procfs") == 0) ++ /* Drop the fs suffix. */ ++ name[strlen (name) - 2] = 0; ++ ++ fprintf (m, "\t%s\n", name); ++ } ++ ++ globfree (&matches); ++ break; ++ ++ case GLOB_NOMATCH: ++ /* Poor fellow. */ ++ break; ++ ++ case GLOB_NOSPACE: ++ err = ENOMEM; ++ break; ++ ++ default: ++ /* This should not happen. */ ++ err = EGRATUITOUS; ++ } ++ ++ fclose (m); ++ return err; ++} + + /* Glue logic and entries table */ + +@@ -635,6 +687,13 @@ static const struct procfs_dir_entry rootdir_entries[] = { + .cleanup_contents = procfs_cleanup_contents_with_free, + }, + }, ++ { ++ .name = "filesystems", ++ .hook = & (struct procfs_node_ops) { ++ .get_contents = rootdir_gc_filesystems, ++ .cleanup_contents = procfs_cleanup_contents_with_free, ++ }, ++ }, + #ifdef PROFILE + /* In order to get a usable gmon.out file, we must apparently use exit(). */ + { +-- +2.1.0 + |