Mercurial > hg > index.cgi
diff src/lwwire.c @ 2:2f2cbd2d2561
Theoretically make "C" flag for drive defs work.
| author | William Astle <lost@l-w.ca> |
|---|---|
| date | Sun, 29 May 2016 10:44:29 -0600 |
| parents | bef2801ac83e |
| children | e94940ca17e7 |
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--- a/src/lwwire.c Sun May 08 13:45:40 2016 -0600 +++ b/src/lwwire.c Sun May 29 10:44:29 2016 -0600 @@ -73,6 +73,7 @@ int lwwire_fetch_sector(int dn, int lsn, void *); int lwwire_save_sector(int dn, int lsn, void *); int nonblock(int); +int lwwire_drive_readononly(int dn); void lwwire_proto_read(void); void lwwire_proto_write(void); @@ -622,6 +623,12 @@ return drivedata[dn].fp; } +int lwwire_drive_readonly(int dn) +{ + return drivedata[dn].isconst; +} + + /* read a sector from a disk image */ int lwwire_fetch_sector(int dn, int lsn, void *buf) { @@ -647,6 +654,8 @@ FILE *fp; int rc; + if (lwwire_drive_readonly(dn)) + return LWERR_WRITE; fp = lwwire_fetch_drive_fp(dn); if (!fp) return LWERR_NOTREADY;