diff options
Diffstat (limited to 'tools/include/nolibc')
| -rw-r--r-- | tools/include/nolibc/stdlib.h | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/tools/include/nolibc/stdlib.h b/tools/include/nolibc/stdlib.h index 82a4cf606d3c..db47362a750f 100644 --- a/tools/include/nolibc/stdlib.h +++ b/tools/include/nolibc/stdlib.h @@ -200,14 +200,18 @@ int u64toh_r(uint64_t in, char *buffer) int dig; do { - dig = in >> pos; - in -= (uint64_t)dig << pos; + if (sizeof(long) >= 8) { + dig = (in >> pos) & 0xF; + } else { + /* 32-bit platforms: avoid a 64-bit shift */ + uint32_t d = (pos >= 32) ? (in >> 32) : in; + dig = (d >> (pos & 31)) & 0xF; + } + if (dig > 9) + dig += 'a' - '0' - 10; pos -= 4; - if (dig || digits || pos < 0) { - if (dig > 9) - dig += 'a' - '0' - 10; + if (dig || digits || pos < 0) buffer[digits++] = '0' + dig; - } } while (pos >= 0); buffer[digits] = 0; |