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authorKent Overstreet <kent.overstreet@gmail.com>2022-04-25 15:26:28 -0400
committerKent Overstreet <kent.overstreet@gmail.com>2022-05-20 13:54:46 -0400
commit655e60516c2d35e6cd5d2d33856a978e8971fd2f (patch)
treeaff1d86c4ff7e345bb8f7e0c464803d9fd8207d0 /include/linux/string_helpers.h
parent06559f32b421d6a02b070781faa1c4e149a1fcbe (diff)
lib/string_helpers: string_get_size() now returns characters wrote
printbuf now needs to know the number of characters that would have been written if the buffer was too small, like snprintf(); this changes string_get_size() to return the the return value of snprintf(). Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
Diffstat (limited to 'include/linux/string_helpers.h')
-rw-r--r--include/linux/string_helpers.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/include/linux/string_helpers.h b/include/linux/string_helpers.h
index 2e56b4ce986b..fd9c150a1256 100644
--- a/include/linux/string_helpers.h
+++ b/include/linux/string_helpers.h
@@ -19,8 +19,8 @@ enum string_size_units {
STRING_UNITS_2, /* use binary powers of 2^10 */
};
-void string_get_size(u64 size, u64 blk_size, enum string_size_units units,
- char *buf, int len);
+int string_get_size(u64 size, u64 blk_size, enum string_size_units units,
+ char *buf, int len);
#define UNESCAPE_SPACE BIT(0)
#define UNESCAPE_OCTAL BIT(1)