Mercurial > hg > nginx
comparison src/core/ngx_resolver.c @ 7861:0b884e47bb79 stable-1.20
Resolver: reworked ngx_resolver_copy() copy loop.
To make the code easier to read, reworked the ngx_resolver_copy()
copy loop to match the one used to calculate length. No functional
changes.
| author | Maxim Dounin <mdounin@mdounin.ru> |
|---|---|
| date | Tue, 25 May 2021 15:17:43 +0300 |
| parents | a45b6a206cfc |
| children | 4ebe1251a8c3 |
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| 7860:a45b6a206cfc | 7861:0b884e47bb79 |
|---|---|
| 4006 return NGX_ERROR; | 4006 return NGX_ERROR; |
| 4007 } | 4007 } |
| 4008 | 4008 |
| 4009 name->data = dst; | 4009 name->data = dst; |
| 4010 | 4010 |
| 4011 n = *src++; | |
| 4012 | |
| 4013 for ( ;; ) { | 4011 for ( ;; ) { |
| 4012 n = *src++; | |
| 4013 | |
| 4014 if (n == 0) { | |
| 4015 name->len = dst - name->data; | |
| 4016 return NGX_OK; | |
| 4017 } | |
| 4018 | |
| 4014 if (n & 0xc0) { | 4019 if (n & 0xc0) { |
| 4015 n = ((n & 0x3f) << 8) + *src; | 4020 n = ((n & 0x3f) << 8) + *src; |
| 4016 src = &buf[n]; | 4021 src = &buf[n]; |
| 4017 | 4022 |
| 4018 n = *src++; | |
| 4019 | |
| 4020 } else { | 4023 } else { |
| 4021 if (dst != name->data) { | 4024 if (dst != name->data) { |
| 4022 *dst++ = '.'; | 4025 *dst++ = '.'; |
| 4023 } | 4026 } |
| 4024 | 4027 |
| 4025 ngx_strlow(dst, src, n); | 4028 ngx_strlow(dst, src, n); |
| 4026 dst += n; | 4029 dst += n; |
| 4027 src += n; | 4030 src += n; |
| 4028 | |
| 4029 n = *src++; | |
| 4030 } | |
| 4031 | |
| 4032 if (n == 0) { | |
| 4033 name->len = dst - name->data; | |
| 4034 return NGX_OK; | |
| 4035 } | 4031 } |
| 4036 } | 4032 } |
| 4037 } | 4033 } |
| 4038 | 4034 |
| 4039 | 4035 |