comparison: src/buffer.c
src/buffer.c
- changeset 1288
- b41ad5d9bcbf
- parent 1284
- b2103354baed
- child 1290
- 4ac889e14211
equal
deleted
inserted
replaced
| 1287:3a3ffc27813f | 1288:b41ad5d9bcbf |
|---|---|
| 145 | 145 |
| 146 size_t opos = npos; | 146 size_t opos = npos; |
| 147 npos += offset; | 147 npos += offset; |
| 148 | 148 |
| 149 if ((offset > 0 && npos < opos) || (offset < 0 && npos > opos)) { | 149 if ((offset > 0 && npos < opos) || (offset < 0 && npos > opos)) { |
| 150 errno = EOVERFLOW; | 150 // to be compliant with fseek() specification |
| 151 // we return EINVAL on underflow | |
| 152 errno = EINVAL; | |
| 151 return -1; | 153 return -1; |
| 152 } | 154 } |
| 153 | 155 |
| 154 if (npos > buffer->size) { | 156 if (npos > buffer->size) { |
| 157 // not compliant with fseek() specification | |
| 158 // but this is the better behavior for CxBuffer | |
| 159 errno = EINVAL; | |
| 155 return -1; | 160 return -1; |
| 156 } else { | 161 } else { |
| 157 buffer->pos = npos; | 162 buffer->pos = npos; |
| 158 return 0; | 163 return 0; |
| 159 } | 164 } |
