diff options
| author | Charles.Forsyth <devnull@localhost> | 2006-12-22 17:07:39 +0000 |
|---|---|---|
| committer | Charles.Forsyth <devnull@localhost> | 2006-12-22 17:07:39 +0000 |
| commit | 37da2899f40661e3e9631e497da8dc59b971cbd0 (patch) | |
| tree | cbc6d4680e347d906f5fa7fca73214418741df72 /liblogfs/gn.c | |
| parent | 54bc8ff236ac10b3eaa928fd6bcfc0cdb2ba46ae (diff) | |
20060303a
Diffstat (limited to 'liblogfs/gn.c')
| -rw-r--r-- | liblogfs/gn.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/liblogfs/gn.c b/liblogfs/gn.c new file mode 100644 index 00000000..c5d02977 --- /dev/null +++ b/liblogfs/gn.c @@ -0,0 +1,26 @@ +#include "lib9.h" +#include "logfs.h" +#include "fcall.h" +#include "local.h" + +int +logfsgn(uchar **pp, uchar *mep, char **v) +{ + uchar *p = *pp; + int l; + if(p + BIT16SZ > mep) + return 0; + l = GBIT16(p); p += BIT16SZ; + if(p + l > mep) + return 0; + *pp = p + l; + if(l == 0) { + *v = 0; + return 1; + } + *v = (char *)(p - 1); + memmove(p - 1, p, l); + p[l - 1] = 0; + return 1; +} + |