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* Correctly handle readlink overflow.Kaz Kylheku2022-07-241-0/+1
| | | | | | | | | | * safepath.h (SAFEPATH_TOOLONG): New enum constant. * safepath.c (safepatch_check): Don't ignore the truncation situation from readlink. Use the full buffer length, and if readlink returns 256, then diagnose overflow using the new SAFEPATH_TOOLONG error code and bail. (safepath_strerr): Map SAFEPATH_TOOLONG.
* Add SAFEPATH_NOTIDIR error code.Kaz Kylheku2022-07-241-0/+1
| | | | | | | | * safepath.h (SAFEPATH_NOTDIR): New enum. * safepath.c (safepath_err, set_errno): Handle conversion between SAFEPATH_NOTDIR and ENOTDIR. (safepath_strerr): Map SAFEPATH_NOTDIR to message.
* Map safepath errors to strings.Kaz Kylheku2022-07-231-0/+1
| | | | | | | * safepath.[ch]: New function, safepath_strerr. * testsp.c (main): Use new function to print message, rather than integer code.
* safepath: new project.Kaz Kylheku2022-07-221-0/+59