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| author | Kent Overstreet <kent.overstreet@gmail.com> | 2022-04-25 15:26:28 -0400 |
|---|---|---|
| committer | Kent Overstreet <kent.overstreet@linux.dev> | 2022-10-05 16:49:06 -0400 |
| commit | 315692ba517c9d58c00c0d84e73b1565f50b600d (patch) | |
| tree | 77f3cafe309ce51a1bb8e8439992d1ae61249aaa /lib/string_helpers.c | |
| parent | 68715f789b2a5249d42085c6d0df2e85374934e5 (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 'lib/string_helpers.c')
| -rw-r--r-- | lib/string_helpers.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/lib/string_helpers.c b/lib/string_helpers.c index 7be20bcc6137..d247bf945f16 100644 --- a/lib/string_helpers.c +++ b/lib/string_helpers.c @@ -33,8 +33,8 @@ * at least 9 bytes and will always be zero terminated. * */ -void string_get_size(u64 size, u64 blk_size, const enum string_size_units units, - char *buf, int len) +int string_get_size(u64 size, u64 blk_size, const enum string_size_units units, + char *buf, int len) { static const char *const units_10[] = { "B", "kB", "MB", "GB", "TB", "PB", "EB", "ZB", "YB" @@ -127,8 +127,7 @@ void string_get_size(u64 size, u64 blk_size, const enum string_size_units units, else unit = units_str[units][i]; - snprintf(buf, len, "%u%s %s", (u32)size, - tmp, unit); + return snprintf(buf, len, "%u%s %s", (u32)size, tmp, unit); } EXPORT_SYMBOL(string_get_size); |