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Fix many GCC -Wimplicit-fallthrough warnings (#243)

Browse source 
This commit adds '/* FALLTHROUGH */' comments to fix many
GCC warnings when compiling with -Wimplicit-fallthrough.
Additionally, the existing fallthrough comments have been
changed for consistency.
This commit is contained in:
Johnothan King 2021-03-30 13:49:20 -07:00 • committed by GitHub
parent f30da49564
commit ed478ab7e3
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
73 changed files with 271 additions and 158 deletions
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1
src/cmd/INIT/mamake.c
View file

@ -2278,6 +2278,7 @@ main(int argc, char** argv)
break;
default:
report(2, "unknown option", s, (unsigned long)0);
/* FALLTHROUGH */
case '?':
usage();
break;

14
src/cmd/INIT/proto.c
View file

@ -1013,7 +1013,7 @@ ppfsm __PARAM__((int op, register char* s), (op, s)) __OTORP__(int op; register
case 023:
for (c = 0; c <= 255; c++)
rp[c] = n;
/* FALLTHROUGH */
case 002:
_pp_fsmtab[(0+28)][fp->state+1] = n < 0 ? ~n : n;
@ -2110,7 +2110,7 @@ astlicense __PARAM__((char* p, int size, char* file, char* options, int cc1, int
break;
case -1:
c = 12;
/* FALLTHROUGH */
default:
notice.type = c;
notice.item[1].data = lic[lic[c].quote].data;
@ -2899,7 +2899,7 @@ lex __PARAM__((register Proto_t* proto, register long flags), (proto, flags)) __
if ((n = ip - bp - 1) > 0)
{
ip = bp;
do switch( n) { default : memcopy( op, ip, n); op += n; ip += n; break; case 7 : * op++ = * ip++; case 6 : * op++ = * ip++; case 5 : * op++ = * ip++; case 4 : * op++ = * ip++; case 3 : * op++ = * ip++; case 2 : * op++ = * ip++; case 1 : * op++ = * ip++; case 0 : break; } while (0);
do switch( n) { default : memcopy( op, ip, n); op += n; ip += n; break; case 7 : * op++ = * ip++; /* FALLTHROUGH */ case 6 : * op++ = * ip++; /* FALLTHROUGH */ case 5 : * op++ = * ip++; /* FALLTHROUGH */ case 4 : * op++ = * ip++; /* FALLTHROUGH */ case 3 : * op++ = * ip++; /* FALLTHROUGH */ case 2 : * op++ = * ip++; /* FALLTHROUGH */ case 1 : * op++ = * ip++; /* FALLTHROUGH */ case 0 : break; } while (0);
ip++;
}
state = ~state;
@ -3534,11 +3534,11 @@ lex __PARAM__((register Proto_t* proto, register long flags), (proto, flags)) __
break;
case ((( ((( ((( ((( ((( (( 'i')-('a'-1)))<<5)+(( 'n')-('a'-1))))<<5)+(( 'c')-('a'-1))))<<5)+(( 'l')-('a'-1))))<<5)+(( 'u')-('a'-1))))<<5)+(( 'd')-('a'-1))):
if (*ip == 'e') ip++;
/* FALLTHROUGH */
case ((( ((( ((( ((( ((( (( 'd')-('a'-1)))<<5)+(( 'e')-('a'-1))))<<5)+(( 'f')-('a'-1))))<<5)+(( 'i')-('a'-1))))<<5)+(( 'n')-('a'-1))))<<5)+(( 'e')-('a'-1))):
case ((( ((( ((( ((( ((( (( 'p')-('a'-1)))<<5)+(( 'r')-('a'-1))))<<5)+(( 'a')-('a'-1))))<<5)+(( 'g')-('a'-1))))<<5)+(( 'm')-('a'-1))))<<5)+(( 'a')-('a'-1))):
if (*ip < 'a' || *ip > 'z') break;
/* FALLTHROUGH */
default:
flags |= (1L<<12)|(1L<<15);
im = bp - 1;
@ -4260,7 +4260,7 @@ if !defined(va_start)\n\
call = 0;
break;
}
/* FALLTHROUGH */
case (0401+0):
fsm_id:
@ -5161,7 +5161,7 @@ main __PARAM__((int argc, char** argv), (argc, argv)) __OTORP__(int argc; char**
continue;
default:
proto_error(((char*)0), 2, file, "unknown option");
/* FALLTHROUGH */
case '?':
b = "Usage: proto [-dfhinprstvzP+S] [-C directory] [-e package] [-l file]\n [-o \"name='value' ...\"] [-L file] file ...\n";
write(2, b, sstrlen( b));

13
src/cmd/INIT/ratz.c
View file

@ -2983,6 +2983,7 @@ int flush;
strm->adler = state->check = REVERSE(hold);
INITBITS();
state->mode = DICT;
/* FALLTHROUGH */
case DICT:
if (state->havedict == 0) {
RESTORE();
@ -2990,8 +2991,10 @@ int flush;
}
strm->adler = state->check = adler32(0L, Z_NULL, 0);
state->mode = TYPE;
/* FALLTHROUGH */
case TYPE:
if (flush == Z_BLOCK) goto inf_leave;
/* FALLTHROUGH */
case TYPEDO:
if (state->last) {
BYTEBITS();
@ -3037,6 +3040,7 @@ int flush;
state->length));
INITBITS();
state->mode = COPY;
/* FALLTHROUGH */
case COPY:
copy = state->length;
if (copy) {
@ -3072,6 +3076,7 @@ int flush;
Tracev((stderr, "inflate: table sizes ok\n"));
state->have = 0;
state->mode = LENLENS;
/* FALLTHROUGH */
case LENLENS:
while (state->have < state->ncode) {
NEEDBITS(3);
@ -3093,6 +3098,7 @@ int flush;
Tracev((stderr, "inflate: code lengths ok\n"));
state->have = 0;
state->mode = CODELENS;
/* FALLTHROUGH */
case CODELENS:
while (state->have < state->nlen + state->ndist) {
for (;;) {
@ -3167,6 +3173,7 @@ int flush;
}
Tracev((stderr, "inflate: codes ok\n"));
state->mode = LEN;
/* FALLTHROUGH */
case LEN:
if (have >= 6 && left >= 258) {
RESTORE();
@ -3210,6 +3217,7 @@ int flush;
}
state->extra = (unsigned)(this.op) & 15;
state->mode = LENEXT;
/* FALLTHROUGH */
case LENEXT:
if (state->extra) {
NEEDBITS(state->extra);
@ -3218,6 +3226,7 @@ int flush;
}
Tracevv((stderr, "inflate: length %u\n", state->length));
state->mode = DIST;
/* FALLTHROUGH */
case DIST:
for (;;) {
this = state->distcode[BITS(state->distbits)];
@ -3243,6 +3252,7 @@ int flush;
state->offset = (unsigned)this.val;
state->extra = (unsigned)(this.op) & 15;
state->mode = DISTEXT;
/* FALLTHROUGH */
case DISTEXT:
if (state->extra) {
NEEDBITS(state->extra);
@ -3263,6 +3273,7 @@ int flush;
}
Tracevv((stderr, "inflate: distance %u\n", state->offset));
state->mode = MATCH;
/* FALLTHROUGH */
case MATCH:
if (left == 0) goto inf_leave;
copy = out - left;
@ -3318,6 +3329,7 @@ int flush;
}
#ifdef GUNZIP
state->mode = LENGTH;
/* FALLTHROUGH */
case LENGTH:
if (state->wrap && state->flags) {
NEEDBITS(32);
@ -3331,6 +3343,7 @@ int flush;
}
#endif
state->mode = DONE;
/* FALLTHROUGH */
case DONE:
ret = Z_STREAM_END;
goto inf_leave;

1
src/cmd/builtin/pty.c
View file

@ -1037,6 +1037,7 @@ b_pty(int argc, char** argv, Shbltin_t* context)
continue;
case 'l':
log = opt_info.arg;
/* FALLTHROUGH */
case 'm':
messages = opt_info.arg;
continue;

2
src/cmd/ksh93/bltins/getopts.c
View file

@ -128,7 +128,7 @@ int b_getopts(int argc,char *argv[],Shbltin_t *context)
if(mode==0)
errormsg(SH_DICT,ERROR_usage(2), "%s", opt_info.arg);
opt_info.option[1] = '?';
/* FALL THRU */
/* FALLTHROUGH */
case ':':
key[0] = opt_info.option[1];
if(strmatch(opt_info.arg,"*unknown*"))

1
src/cmd/ksh93/bltins/hist.c
View file

@ -89,6 +89,7 @@ int b_hist(int argc,char *argv[], Shbltin_t *context)
range[++indx] = flag;
break;
}
/* FALLTHROUGH */
case ':':
errormsg(SH_DICT,2, "%s", opt_info.arg);
break;

4
src/cmd/ksh93/bltins/print.c
View file

@ -798,6 +798,7 @@ static int extend(Sfio_t* sp, void* v, Sffmt_t* fe)
fe->flags |=SFFMT_ALTER;
}
}
/* FALLTHROUGH */
case 'b':
case 's':
case 'B':
@ -837,12 +838,14 @@ static int extend(Sfio_t* sp, void* v, Sffmt_t* fe)
case 'u':
case 'U':
longmax = LDBL_ULLONG_MAX;
/* FALLTHROUGH */
case '.':
if(fe->size==2 && strchr("bcsqHPRQTZ",*fe->form))
{
value->ll = ((unsigned char*)argp)[0];
break;
}
/* FALLTHROUGH */
case 'd':
case 'D':
case 'i':
@ -1096,6 +1099,7 @@ static int fmtvecho(const char *string, struct printf *pp)
c <<= 3;
c |= (*cp-'0');
}
/* FALLTHROUGH */
default:
cp--;
}

5
src/cmd/ksh93/bltins/read.c
View file

@ -599,6 +599,7 @@ int sh_readline(register Shell_t *shp,char **names, volatile int fd, int flags,s
case S_ERR:
cp++;
/* FALLTHROUGH */
case S_EOF:
/* check for end of buffer */
if(val && *val)
@ -660,7 +661,7 @@ int sh_readline(register Shell_t *shp,char **names, volatile int fd, int flags,s
#endif /* SHOPT_MULTIBYTE */
if(c!=S_DELIM)
break;
/* FALL THRU */
/* FALLTHROUGH */
case S_DELIM:
if(!del)
@ -671,7 +672,7 @@ int sh_readline(register Shell_t *shp,char **names, volatile int fd, int flags,s
while((c=shp->ifstable[*cp++])==S_SPACE);
break;
}
/* FALL THRU */
/* FALLTHROUGH */
case 0:
if(val==0 || was_escape)

3
src/cmd/ksh93/bltins/test.c
View file

@ -166,7 +166,7 @@ int b_test(int argc, char *argv[],Shbltin_t *context)
if(!not)
break;
argv++;
/* fall through */
/* FALLTHROUGH */
case 4:
{
register int op = sh_lookup(cp=argv[2],shtab_testops);
@ -434,6 +434,7 @@ int test_unop(Shell_t *shp,register int op,register const char *arg)
return(*arg == 0);
case 's':
sfsync(sfstdout);
/* FALLTHROUGH */
case 'O':
case 'G':
if(*arg==0 || test_stat(arg,&statb)<0)

1
src/cmd/ksh93/bltins/trap.c
View file

@ -211,6 +211,7 @@ int b_kill(int argc,char *argv[],Shbltin_t *context)
goto endopts;
case 'L':
usemenu = -1;
/* FALLTHROUGH */
case 'l':
flag |= L_FLAG;
break;

2
src/cmd/ksh93/bltins/typeset.c
View file

@ -256,6 +256,7 @@ int b_typeset(int argc,register char *argv[],Shbltin_t *context)
tdata.argnum = (int)opt_info.num;
break;
}
/* FALLTHROUGH */
case 'F':
case 'X':
if(!opt_info.arg || (tdata.argnum = opt_info.num) <0)
@ -1230,6 +1231,7 @@ static int unall(int argc, char **argv, register Dt_t *troot, Shell_t* shp)
break;
case 'n':
nflag = NV_NOREF;
/* FALLTHROUGH */
case 'v':
troot = shp->var_tree;
break;

2
src/cmd/ksh93/bltins/whence.c
View file

@ -109,7 +109,7 @@ int b_whence(int argc,char *argv[],Shbltin_t *context)
{
case 'a':
flags |= A_FLAG;
/* FALL THRU */
/* FALLTHROUGH */
case 'v':
flags |= V_FLAG;
break;

2
src/cmd/ksh93/edit/completion.c
View file

@ -190,7 +190,7 @@ static char *find_begin(char outbuff[], char *last, int endchar, int *type)
case '~':
if(*cp=='(')
break;
/* fall through */
/* FALLTHROUGH */
default:
if(c && c==endchar)
return(xp);

4
src/cmd/ksh93/edit/emacs.c
View file

@ -566,6 +566,7 @@ update:
case KILLCHAR :
cur = 0;
oadjust = -1;
/* FALLTHROUGH */
case cntl('K') :
if(oadjust >= 0)
{
@ -983,6 +984,7 @@ static int escape(register Emacs_t* ep,register genchar *out,int count)
if(ch=='\n')
ed_ungetchar(ep->ed,'\n');
#endif /* SHOPT_EDPREDICT */
/* FALLTHROUGH */
/* file name expansion */
case ESC :
#if SHOPT_EDPREDICT
@ -1001,6 +1003,7 @@ static int escape(register Emacs_t* ep,register genchar *out,int count)
}
#endif /* SHOPT_EDPREDICT */
i = '\\'; /* filename completion */
/* FALLTHROUGH */
case '*': /* filename expansion */
case '=': /* escape = - list all matching file names */
ep->mark = cur;
@ -1144,6 +1147,7 @@ static int escape(register Emacs_t* ep,register genchar *out,int count)
ed_ungetchar(ep->ed,i);
}
i = '_';
/* FALLTHROUGH */
default:
/* look for user defined macro definitions */

3
src/cmd/ksh93/edit/hexpand.c
View file

@ -250,6 +250,7 @@ int hist_expand(const char *ln, char **xp)
if(!isdigit(*(cp+1)))
goto string_event;
cp++;
/* FALLTHROUGH */
case '0': /* reference by number */
case '1':
case '2':
@ -273,6 +274,7 @@ int hist_expand(const char *ln, char **xp)
case '?':
cp++;
flag |= HIST_QUESTION;
/* FALLTHROUGH */
string_event:
default:
/* read until end of string or word designator/modifier */
@ -376,6 +378,7 @@ getline:
sfseek(wm, 0, SEEK_SET);
goto skip;
}
/* FALLTHROUGH */
default:
skip2:
cp--;

17
src/cmd/ksh93/edit/vi.c
View file

@ -836,6 +836,7 @@ static int cntlmode(Vi_t *vp)
case BAD:
/*** no match ***/
ed_ringbell();
/* FALLTHROUGH */
default:
if( vp->u_column == INVALID )
@ -956,6 +957,7 @@ static int cntlmode(Vi_t *vp)
if(vp->repeat_set==0)
goto vcommand;
#endif /* KSHELL */
/* FALLTHROUGH */
case 'G': /** goto command repeat **/
if(vp->repeat_set==0)
@ -1014,11 +1016,13 @@ static int cntlmode(Vi_t *vp)
}
refresh(vp,INPUT);
}
/* FALLTHROUGH */
case '\n': /** send to shell **/
#if SHOPT_EDPREDICT
if(!vp->ed->hlist)
return(ENTER);
/* FALLTHROUGH */
case '\t': /** bring choice to edit **/
if(vp->ed->hlist)
{
@ -1045,6 +1049,7 @@ static int cntlmode(Vi_t *vp)
if(c=='[')
continue;
}
/* FALLTHROUGH */
default:
ringbell:
ed_ringbell();
@ -1519,6 +1524,7 @@ static void getline(register Vi_t* vp,register int mode)
if( cur_virt != INVALID )
continue;
vp->addnl = 0;
/* FALLTHROUGH */
case '\n': /** newline or return **/
if( mode != SEARCH )
@ -1552,7 +1558,7 @@ static void getline(register Vi_t* vp,register int mode)
}
vp->ed->e_tabcount = 0;
}
/* FALL THRU*/
/* FALLTHROUGH */
default:
if( mode == REPLACE )
{
@ -1610,7 +1616,7 @@ static int mvcursor(register Vi_t* vp,register int motion)
tcur_virt = vp->repeat-1;
if(tcur_virt <= last_virt)
break;
/* fall through */
/* FALLTHROUGH */
case '$': /** End of line **/
tcur_virt = last_virt;
@ -1748,6 +1754,7 @@ static int mvcursor(register Vi_t* vp,register int motion)
case 'f': /** find new char forward **/
bound = last_virt;
incr = 1;
/* FALLTHROUGH */
case 'T': /** find up to new char backward **/
case 'F': /** find new char backward **/
@ -2444,10 +2451,12 @@ addin:
if(vp->ed->e_tabcount!=1)
return(BAD);
c = '=';
/* FALLTHROUGH */
case '*': /** do file name expansion in place **/
case '\\': /** do file name completion in place **/
if( cur_virt == INVALID )
return(BAD);
/* FALLTHROUGH */
case '=': /** list file name expansions **/
save_v(vp);
i = last_virt;
@ -2528,10 +2537,12 @@ addin:
while(i = *p++);
return(APPEND);
}
/* FALLTHROUGH */
case 'A': /** append to end of line **/
cur_virt = last_virt;
sync_cursor(vp);
/* FALLTHROUGH */
case 'a': /** append **/
if( fold(mode) == 'A' )
@ -2551,6 +2562,7 @@ addin:
case 'I': /** insert at beginning of line **/
cur_virt = first_virt;
sync_cursor(vp);
/* FALLTHROUGH */
case 'i': /** insert **/
if( fold(mode) == 'I' )
@ -2627,6 +2639,7 @@ deleol:
vp->ocur_virt = INVALID;
--cur_virt;
}
/* FALLTHROUGH */
case 'p': /** print **/
if( p[0] == '\0' )

2
src/cmd/ksh93/sh/args.c
View file

@ -216,13 +216,13 @@ int sh_argopts(int argc,register char *argv[], void *context)
ap->kiafile = opt_info.arg;
n = 'n';
}
/*FALLTHROUGH*/
#endif /* SHOPT_KIA */
#if SHOPT_REGRESS
goto skip;
case 'I':
continue;
#endif /* SHOPT_REGRESS */
/* FALLTHROUGH */
skip:
default:
if(cp=strchr(optksh,n))

2
src/cmd/ksh93/sh/fcin.c
View file

@ -157,7 +157,7 @@ int _fcmbget(short *len)
{
case -1:
*len = 1;
/* fall through */
/* FALLTHROUGH */
case 0:
case 1:
c=fcget();

25
src/cmd/ksh93/sh/lex.c
View file

@ -470,7 +470,7 @@ int sh_lex(Lex_t* lp)
return(lp->token=EOFSYM);
n = S_NLTOK;
shp->inlineno--;
/* FALL THRU */
/* FALLTHROUGH */
case S_NLTOK:
/* check for here-document */
if(lp->heredoc)
@ -491,7 +491,7 @@ int sh_lex(Lex_t* lp)
}
lp->lex.reservok = !lp->lex.intest;
lp->lex.skipword = 0;
/* FALL THRU */
/* FALLTHROUGH */
case S_NL:
/* skip over new-lines */
lp->lex.last_quote = 0;
@ -502,6 +502,7 @@ int sh_lex(Lex_t* lp)
lp->comp_assign = 0;
return(lp->token='\n');
}
/* FALLTHROUGH */
case S_BLNK:
if(lp->lex.incase<=TEST_RE)
continue;
@ -686,7 +687,7 @@ int sh_lex(Lex_t* lp)
case S_NAME:
if(!lp->lex.skipword)
lp->lex.reservok *= 2;
/* FALL THRU */
/* FALLTHROUGH */
case S_TILDE:
if(c=='~' && mode==ST_NESTED)
{
@ -697,6 +698,7 @@ int sh_lex(Lex_t* lp)
}
continue;
}
/* FALLTHROUGH */
case S_RES:
if(!lp->lexd.dolparen)
lp->lexd.first = fcseek(0)-LEN;
@ -808,7 +810,7 @@ int sh_lex(Lex_t* lp)
wordflags |=(ARG_MAC|ARG_EXP);
if(mode==ST_QUOTE)
ingrave = !ingrave;
/* FALL THRU */
/* FALLTHROUGH */
case S_QUOTE:
if(oldmode(lp)==ST_NONE && lp->lexd.arith) /* in ((...)) */
{
@ -914,10 +916,11 @@ int sh_lex(Lex_t* lp)
setchar(lp,c);
continue;
}
/* FALL THRU */
/* FALLTHROUGH */
case S_ALP:
if(c=='.' && endchar(lp)=='$')
goto err;
/* FALLTHROUGH */
case S_SPC2:
case S_DIG:
wordflags |= ARG_MAC;
@ -938,9 +941,11 @@ int sh_lex(Lex_t* lp)
case '!':
if(n!=S_ALP)
goto dolerr;
/* FALLTHROUGH */
case '#':
if(c=='#')
n = S_ALP;
/* FALLTHROUGH */
case RBRACE:
if(n==S_ALP)
{
@ -1150,7 +1155,7 @@ int sh_lex(Lex_t* lp)
continue;
case S_EQ:
assignment = lp->assignok;
/* FALL THRU */
/* FALLTHROUGH */
case S_COLON:
if(assignment)
{
@ -1254,7 +1259,7 @@ int sh_lex(Lex_t* lp)
}
case S_PAT:
wordflags |= ARG_EXP;
/* FALL THRU */
/* FALLTHROUGH */
case S_EPAT:
epat:
if(fcgetc(n)==LPAREN && c!='[')
@ -1419,7 +1424,7 @@ breakloop:
case TEST_SEQ:
if(lp->lexd.warn && state[1]==0)
errormsg(SH_DICT,ERROR_warn(0),e_lexobsolete3,shp->inlineno);
/* FALL THRU */
/* FALLTHROUGH */
default:
if(lp->lex.testop2)
{
@ -1434,7 +1439,7 @@ breakloop:
lp->token = TESTBINOP;
return(lp->token);
}
/* FALLTHROUGH */
case TEST_OR: case TEST_AND:
case 0:
return(lp->token=0);
@ -1649,7 +1654,7 @@ static int comsub(register Lex_t *lp, int endtok)
goto rbrace;
if(c>0)
fcseek(-LEN);
/* fall through */
/* FALLTHROUGH */
default:
lp->lex.reservok = 1;
}

10
src/cmd/ksh93/sh/macro.c
View file

@ -390,7 +390,7 @@ void sh_machere(Shell_t *shp,Sfio_t *infile, Sfio_t *outfile, char *string)
case S_EOF:
if((c=fcfill()) > 0)
goto again;
/* FALL THRU */
/* FALLTHROUGH */
default:
regular:
sfputc(outfile,'$');
@ -464,6 +464,7 @@ static void copyto(register Mac_t *mp,int endch, int newquote)
case -1: /* illegal multi-byte char */
case 0:
len = 1;
/* FALLTHROUGH */
case 1:
n = state[*(unsigned char*)cp++];
break;
@ -643,6 +644,7 @@ static void copyto(register Mac_t *mp,int endch, int newquote)
goto pattern;
continue;
}
/* FALLTHROUGH */
case S_EOF:
if(c)
{
@ -667,6 +669,7 @@ static void copyto(register Mac_t *mp,int endch, int newquote)
case S_QUOTE:
if(mp->lit || mp->arith)
break;
/* FALLTHROUGH */
case S_LIT:
if(mp->arith)
{
@ -729,6 +732,7 @@ static void copyto(register Mac_t *mp,int endch, int newquote)
cp = first = fcseek(0);
break;
}
/* FALLTHROUGH */
case S_PAT:
if(mp->pattern && !(mp->quote || mp->lit))
{
@ -1102,7 +1106,7 @@ retry1:
/* This code handles ${#} */
c = mode;
mode = type = 0;
/* FALL THRU */
/* FALLTHROUGH */
case S_SPC1:
if(type==M_BRACE)
{
@ -1129,7 +1133,7 @@ retry1:
goto retry1;
}
}
/* FALL THRU */
/* FALLTHROUGH */
case S_SPC2:
var = 0;
*id = c;

2
src/cmd/ksh93/sh/name.c
View file

@ -769,10 +769,12 @@ Namval_t *nv_create(const char *name, Dt_t *root, int flags, Namfun_t *dp)
sp = (char*)name+c;
c = '.';
}
/* FALLTHROUGH */
skip:
case '+':
case '=':
*sp = 0;
/* FALLTHROUGH */
case 0:
isref = 0;
dp->last = cp;

8
src/cmd/ksh93/sh/parse.c
View file

@ -501,7 +501,7 @@ static Shnode_t *sh_cmd(Lex_t *lexp, register int sym, int flag)
{
case COOPSYM: /* set up a cooperating process */
type |= (FPIN|FPOU|FPCL|FCOOP);
/* FALL THRU */
/* FALLTHROUGH */
case '&':
if(left)
{
@ -510,7 +510,7 @@ static Shnode_t *sh_cmd(Lex_t *lexp, register int sym, int flag)
left = left->par.partre;
left = makeparent(lexp,TFORK|type, left);
}
/* FALL THRU */
/* FALLTHROUGH */
case ';':
if(!left)
sh_syntax(lexp);
@ -520,6 +520,7 @@ static Shnode_t *sh_cmd(Lex_t *lexp, register int sym, int flag)
case EOFSYM:
if(sym==NL)
break;
/* FALLTHROUGH */
default:
if(sym && sym!=lexp->token)
{
@ -1304,7 +1305,7 @@ static Shnode_t *item(Lex_t *lexp,int flag)
default:
if(io==0)
return(0);
/* FALLTHROUGH */
case ';':
if(io==0)
{
@ -1314,6 +1315,7 @@ static Shnode_t *item(Lex_t *lexp,int flag)
sh_syntax(lexp);
showme = FSHOWME;
}
/* FALLTHROUGH */
/* simple command */
case 0:
t = (Shnode_t*)simple(lexp,flag,io);

4
src/cmd/ksh93/sh/path.c
View file

@ -1218,11 +1218,12 @@ pid_t path_spawn(Shell_t *shp,const char *opath,register char **argv, char **env
#endif
}
}
/* FALL THROUGH */
#ifdef ENAMETOOLONG
/* FALLTHROUGH */
case ENAMETOOLONG:
#endif /* ENAMETOOLONG */
#if !SHOPT_SUID_EXEC
/* FALLTHROUGH */
case EPERM:
#endif
shp->path_err = errno;
@ -1242,6 +1243,7 @@ pid_t path_spawn(Shell_t *shp,const char *opath,register char **argv, char **env
errormsg(SH_DICT,ERROR_system(ERROR_NOEXEC),"command -x: could not execute %s",path);
return(pid);
}
/* FALLTHROUGH */
default:
errormsg(SH_DICT,ERROR_system(ERROR_NOEXEC),e_exec,path);
}

13
src/cmd/ksh93/sh/streval.c
View file

@ -238,6 +238,7 @@ Sfdouble_t arith_exec(Arith_t *ep)
continue;
case A_ASSIGNOP1:
node.emode |= ARITH_ASSIGNOP;
/* FALLTHROUGH */
case A_PUSHV:
cp = roundptr(ep,cp,Sfdouble_t*);
dp = *((Sfdouble_t**)cp);
@ -282,6 +283,7 @@ Sfdouble_t arith_exec(Arith_t *ep)
continue;
case A_ASSIGNOP:
node.nosub = lastsub;
/* FALLTHROUGH */
case A_STORE:
cp = roundptr(ep,cp,Sfdouble_t*);
dp = *((Sfdouble_t**)cp);
@ -532,7 +534,7 @@ static int gettok(register struct vars *vp)
op = A_DIG;
else
op = A_REG;
/*FALL THRU*/
/* FALLTHROUGH */
case A_DIG: case A_REG: case A_LIT:
keep:
ungetchr(vp);
@ -551,10 +553,10 @@ static int gettok(register struct vars *vp)
op -= 2;
break;
}
/* FALL THRU */
/* FALLTHROUGH */
case A_NOT: case A_COLON:
c = '=';
/* FALL THRU */
/* FALLTHROUGH */
case A_ASSIGN:
case A_TIMES:
case A_PLUS: case A_MINUS:
@ -608,7 +610,7 @@ again:
case A_PLUSPLUS:
c = A_LVALUE;
op = A_INCR|T_NOFLOAT;
/* FALL THRU */
/* FALLTHROUGH */
case A_TILDE:
op |= T_NOFLOAT;
common:
@ -762,6 +764,7 @@ again:
case A_MINUSMINUS:
wasop=0;
op |= T_NOFLOAT;
/* FALLTHROUGH */
case A_ASSIGN:
if(!lvalue.value)
ERROR(vp,e_notlvalue);
@ -827,7 +830,7 @@ again:
case A_AND: case A_OR: case A_XOR: case A_LSHIFT:
case A_RSHIFT: case A_MOD:
op |= T_NOFLOAT;
/* FALL THRU */
/* FALLTHROUGH */
case A_PLUS: case A_MINUS: case A_TIMES: case A_DIV:
case A_EQ: case A_NEQ: case A_LT: case A_LE:
case A_GT: case A_GE: case A_POW:

2
src/cmd/ksh93/sh/xec.c
View file

@ -1558,6 +1558,7 @@ int sh_exec(register const Shnode_t *t, int flags)
break;
}
}
/* FALLTHROUGH */
case TFORK:
{
register pid_t parent;
@ -1821,6 +1822,7 @@ int sh_exec(register const Shnode_t *t, int flags)
sh_done(shp,0);
}
}
/* FALLTHROUGH */
case TSETIO:
{

2
src/lib/libast/misc/fastfind.c
View file

@ -1013,7 +1013,7 @@ findwrite(register Find_t* fp, const char* path, size_t len, const char* type)
else
u = 0;
sfputu(fp->fp, u);
/*FALLTHROUGH...*/
/* FALLTHROUGH */
case FF_dir:
d = n - fp->encode.prefix;
sfputl(fp->fp, d);

1
src/lib/libast/misc/glob.c
View file

@ -380,6 +380,7 @@ again:
case '(':
if (!(gp->gl_flags & GLOB_AUGMENTED))
continue;
/* FALLTHROUGH */
case '*':
case '?':
meta = MATCH_META;

3
src/lib/libast/misc/magic.c
View file

@ -1462,13 +1462,16 @@ cklang(register Magic_t* mp, const char* file, char* buf, char* end, struct stat
case 4:
if (b < e && (*b++ & 0xc0) != 0x80)
break;
/* FALLTHROUGH */
case 3:
if (b < e && (*b++ & 0xc0) != 0x80)
break;
/* FALLTHROUGH */
case 2:
if (b < e && (*b++ & 0xc0) != 0x80)
break;
n = 1;
/* FALLTHROUGH */
case 0:
if (b >= e)
{

7
src/lib/libast/sfio/_sfputl.c
View file

@ -66,12 +66,19 @@ Sflong_t v; /* the value to be written */
{ switch(n)
{
case 8 : *ps++ = *s++;
/* FALLTHROUGH */
case 7 : *ps++ = *s++;
/* FALLTHROUGH */
case 6 : *ps++ = *s++;
/* FALLTHROUGH */
case 5 : *ps++ = *s++;
/* FALLTHROUGH */
case 4 : *ps++ = *s++;
/* FALLTHROUGH */
case 3 : *ps++ = *s++;
/* FALLTHROUGH */
case 2 : *ps++ = *s++;
/* FALLTHROUGH */
case 1 : *ps++ = *s++;
}
f->next = ps;

7
src/lib/libast/sfio/_sfputm.c
View file

@ -62,12 +62,19 @@ Sfulong_t m; /* the max value of the range */
{ switch(n)
{
case 8 : *ps++ = *s++;
/* FALLTHROUGH */
case 7 : *ps++ = *s++;
/* FALLTHROUGH */
case 6 : *ps++ = *s++;
/* FALLTHROUGH */
case 5 : *ps++ = *s++;
/* FALLTHROUGH */
case 4 : *ps++ = *s++;
/* FALLTHROUGH */
case 3 : *ps++ = *s++;
/* FALLTHROUGH */
case 2 : *ps++ = *s++;
/* FALLTHROUGH */
case 1 : *ps++ = *s++;
}
f->next = ps;

7
src/lib/libast/sfio/_sfputu.c
View file

@ -59,12 +59,19 @@ Sfulong_t v; /* the unsigned value to be written */
{ switch(n)
{
case 8 : *ps++ = *s++;
/* FALLTHROUGH */
case 7 : *ps++ = *s++;
/* FALLTHROUGH */
case 6 : *ps++ = *s++;
/* FALLTHROUGH */
case 5 : *ps++ = *s++;
/* FALLTHROUGH */
case 4 : *ps++ = *s++;
/* FALLTHROUGH */
case 3 : *ps++ = *s++;
/* FALLTHROUGH */
case 2 : *ps++ = *s++;
/* FALLTHROUGH */
case 1 : *ps++ = *s++;
}
f->next = ps;

12
src/lib/libast/sfio/sfhdr.h
View file

@ -1133,22 +1133,34 @@ typedef struct _sftab_
switch(n) \
{ default : memcpy((Void_t*)to,(Void_t*)fr,n); to += n; fr += n; break; \
case 7 : *to++ = *fr++; \
/* FALLTHROUGH */ \
case 6 : *to++ = *fr++; \
/* FALLTHROUGH */ \
case 5 : *to++ = *fr++; \
/* FALLTHROUGH */ \
case 4 : *to++ = *fr++; \
/* FALLTHROUGH */ \
case 3 : *to++ = *fr++; \
/* FALLTHROUGH */ \
case 2 : *to++ = *fr++; \
/* FALLTHROUGH */ \
case 1 : *to++ = *fr++; \
}
#define MEMSET(s,c,n) \
switch(n) \
{ default : memset((Void_t*)s,(int)c,n); s += n; break; \
case 7 : *s++ = c; \
/* FALLTHROUGH */ \
case 6 : *s++ = c; \
/* FALLTHROUGH */ \
case 5 : *s++ = c; \
/* FALLTHROUGH */ \
case 4 : *s++ = c; \
/* FALLTHROUGH */ \
case 3 : *s++ = c; \
/* FALLTHROUGH */ \
case 2 : *s++ = c; \
/* FALLTHROUGH */ \
case 1 : *s++ = c; \
}

2
src/lib/libast/sfio/sfmode.c
View file

@ -537,7 +537,7 @@ reg int local; /* a local call */
break;
}
/* fall thru */
/* FALLTHROUGH */
case SF_READ: /* switching to SF_WRITE */
if(wanted != SF_WRITE)

2
src/lib/libast/sfio/sfpurge.c
View file

@ -78,7 +78,7 @@ Sfio_t* f;
/* 2-way pipe, must clear read buffer */
(void)_sfmode(f,SF_READ,1);
/* fall through */
/* FALLTHROUGH */
case SF_READ:
if(f->extent >= 0 && f->endb > f->next)
{ f->here -= f->endb-f->next;

2
src/lib/libast/sfio/sfrd.c
View file

@ -303,7 +303,7 @@ Sfdisc_t* disc;
case SF_EDISC :
if(!local && !(f->flags&SF_STRING))
goto do_continue;
/* else fall thru */
/* FALLTHROUGH */
case SF_ESTACK :
SFMTXRETURN(f, -1);
}

3
src/lib/libast/sfio/sftable.c
View file

@ -178,7 +178,8 @@ int type; /* >0: scanf, =0: printf, -1: internal */
}
else if(*form != '*')
goto loop_flags;
else form += 1; /* drop thru below */
else form += 1;
/* FALLTHROUGH */
case '*' :
form = sffmtint(form,&n);

9
src/lib/libast/sfio/sfvprintf.c
View file

@ -367,8 +367,9 @@ loop_fmt :
}
else if(*form != '*')
goto loop_flags;
do_star:
form += 1; /* fall thru for '*' */
do_star: /* for '*' */
form += 1;
/* FALLTHROUGH */
case '*' :
form = (*_Sffmtintf)(form,&n);
if(*form == '$')
@ -674,6 +675,7 @@ loop_fmt :
case 'S':
flags = (flags & ~(SFFMT_TYPES|SFFMT_LDOUBLE)) | SFFMT_LONG;
/* FALLTHROUGH */
case 's':
#if _has_multibyte && defined(mbwidth)
wc = (flags & SFFMT_LDOUBLE) && mbwide();
@ -833,6 +835,7 @@ loop_fmt :
case 'C':
flags = (flags & ~(SFFMT_TYPES|SFFMT_LDOUBLE)) | SFFMT_LONG;
/* FALLTHROUGH */
case 'c':
#if _has_multibyte && defined(mbwidth)
wc = (flags & SFFMT_LDOUBLE) && mbwide();
@ -959,6 +962,7 @@ loop_fmt :
goto int_arg;
case 'X':
ssp = "0123456789ABCDEF";
/* FALLTHROUGH */
case 'x':
base = 16; n_s = 15; n = 4;
flags &= ~(SFFMT_SIGN|SFFMT_BLANK);
@ -974,6 +978,7 @@ loop_fmt :
goto d_format;
case 'u':
flags &= ~(SFFMT_SIGN|SFFMT_BLANK);
/* FALLTHROUGH */
case 'd':
d_format:
#if _PACKAGE_ast

2
src/lib/libast/sfio/sfwr.c
View file

@ -238,7 +238,7 @@ Sfdisc_t* disc;
case SF_EDISC :
if(!local && !(f->flags&SF_STRING))
goto do_continue;
/* else fall thru */
/* FALLTHROUGH */
case SF_ESTACK :
SFMTXRETURN(f, (ssize_t)(-1));
}

4
src/lib/libast/string/wc2utf8.c
View file

@ -63,9 +63,13 @@ wc2utf8(register char* s, register uint32_t w)
switch (ops[i].shift)
{
case 30: *s++ = 0x80 | ((w >> 24) & 0x3f);
/* FALLTHROUGH */
case 24: *s++ = 0x80 | ((w >> 18) & 0x3f);
/* FALLTHROUGH */
case 18: *s++ = 0x80 | ((w >> 12) & 0x3f);
/* FALLTHROUGH */
case 12: *s++ = 0x80 | ((w >> 6) & 0x3f);
/* FALLTHROUGH */
case 6: *s++ = 0x80 | (w & 0x3f);
}
return s - b;

1
src/lib/libast/tm/tmxscan.c
View file

@ -384,6 +384,7 @@ scan(register const char* s, char** e, const char* format, char** f, Time_t t, l
u = 0;
if (d == 'q')
continue;
/* FALLTHROUGH */
case 'z':
if ((zp = tmzone(s, &u, u, &m)))
{