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andyp pushed a commit to branch master
in repository gfs2-utils.
commit 78c98e69e5b3473000bf4448ab37b1c181669ffc
Author: Andreas Gruenbacher <agruenba(a)redhat.com>
AuthorDate: Mon Mar 25 21:55:19 2019 +0000
libgfs2: lgfs2_field_str: Allow to decode bitmasks
In lgfs2_field_str, decode bitmasks into their symbolic form when not
creating a hex dump (e.g., "gfs2_edit -x").
---
gfs2/libgfs2/meta.c | 25 +++++++++++++++++++++++++
1 file changed, 25 insertions(+)
diff --git a/gfs2/libgfs2/meta.c b/gfs2/libgfs2/meta.c
index c151148..486e0ea 100644
--- a/gfs2/libgfs2/meta.c
+++ b/gfs2/libgfs2/meta.c
@@ -970,6 +970,31 @@ int lgfs2_field_str(char *str, const size_t size, const char *blk,
const struct
snprintf(str, size, "%"PRIx64, value);
goto out;
}
+ if (field->flags & LGFS2_MFF_MASK) {
+ char *s = str, *end = str + size;
+ unsigned n;
+
+ for (n = 0; n < field->nsyms; n++) {
+ const struct lgfs2_symbolic *sym = &field->symtab[n];
+
+ if (!(value & sym->key))
+ continue;
+ if (s != str && s < end)
+ *s++ = '/';
+ if (s < end) {
+ const char *v = sym->value + sym->prefix;
+ size_t len = strlen(v);
+
+ if (len > end - s)
+ len = end - s;
+ memcpy(s, v, len);
+ s += len;
+ }
+ }
+ if (s < end)
+ *s = '\0';
+ goto out;
+ }
snprintf(str, size, "%"PRIu64, value);
}
out:
--
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