ref: c11957a7915d355d80ff7e6a21721ba05441ca29
dir: /liblogfs/gn.c/
#include "logfsos.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; }