static int gsub_exec (TPosix *ud, TArgExec *argE, int st) {
#ifdef REG_STARTEND
if(argE->eflags & REG_STARTEND) {
ALG_SUBBEG(ud,0) = 0;
ALG_SUBEND(ud,0) = argE->textlen - st;
}
#endif
if (st > 0)
argE->eflags |= REG_NOTBOL;
return regexec (&ud->r, argE->text+st, ALG_NSUB(ud)+1, ud->match, argE->eflags);
}
static int split_exec (TPosix *ud, TArgExec *argE, int offset) {
#ifdef REX_POSIX_EXT
if (argE->eflags & REG_STARTEND) {
ALG_SUBBEG(ud,0) = 0;
ALG_SUBEND(ud,0) = argE->textlen - offset;
}
#endif
if (offset > 0)
argE->eflags |= REG_NOTBOL;
return regexec (&ud->r, argE->text + offset, ALG_NSUB(ud) + 1, ud->match, argE->eflags);
}
static int gmatch_exec (TUserdata *ud, TArgExec *argE) {
if (argE->startoffset > 0)
argE->eflags |= REG_NOTBOL;
#ifdef REG_STARTEND
if (argE->eflags & REG_STARTEND) {
ALG_SUBBEG(ud,0) = 0;
ALG_SUBEND(ud,0) = argE->textlen - argE->startoffset;
}
#endif
argE->text += argE->startoffset;
return regexec (&ud->r, argE->text, ALG_NSUB(ud) + 1, ud->match, argE->eflags);
}