Add fallthrough comments for gcc.
Note intentional switch case fall throughs to avoid gcc warnings.
diff --git a/infback.c b/infback.c
index 59679ec..b891bd6 100644
--- a/infback.c
+++ b/infback.c
@@ -477,6 +477,7 @@
}
Tracev((stderr, "inflate: codes ok\n"));
state->mode = LEN;
+ /* fallthrough */
case LEN:
/* use inflate_fast() if we have enough input and output */
diff --git a/inflate.c b/inflate.c
index dac2c74..38b1415 100644
--- a/inflate.c
+++ b/inflate.c
@@ -723,6 +723,7 @@
CRC2(state->check, hold);
INITBITS();
state->mode = TIME;
+ /* fallthrough */
case TIME:
NEEDBITS(32);
if (state->head != Z_NULL)
@@ -731,6 +732,7 @@
CRC4(state->check, hold);
INITBITS();
state->mode = OS;
+ /* fallthrough */
case OS:
NEEDBITS(16);
if (state->head != Z_NULL) {
@@ -741,6 +743,7 @@
CRC2(state->check, hold);
INITBITS();
state->mode = EXLEN;
+ /* fallthrough */
case EXLEN:
if (state->flags & 0x0400) {
NEEDBITS(16);
@@ -754,6 +757,7 @@
else if (state->head != Z_NULL)
state->head->extra = Z_NULL;
state->mode = EXTRA;
+ /* fallthrough */
case EXTRA:
if (state->flags & 0x0400) {
copy = state->length;
@@ -776,6 +780,7 @@
}
state->length = 0;
state->mode = NAME;
+ /* fallthrough */
case NAME:
if (state->flags & 0x0800) {
if (have == 0) goto inf_leave;
@@ -797,6 +802,7 @@
state->head->name = Z_NULL;
state->length = 0;
state->mode = COMMENT;
+ /* fallthrough */
case COMMENT:
if (state->flags & 0x1000) {
if (have == 0) goto inf_leave;
@@ -817,6 +823,7 @@
else if (state->head != Z_NULL)
state->head->comment = Z_NULL;
state->mode = HCRC;
+ /* fallthrough */
case HCRC:
if (state->flags & 0x0200) {
NEEDBITS(16);
@@ -840,6 +847,7 @@
strm->adler = state->check = ZSWAP32(hold);
INITBITS();
state->mode = DICT;
+ /* fallthrough */
case DICT:
if (state->havedict == 0) {
RESTORE();
@@ -847,8 +855,10 @@
}
strm->adler = state->check = adler32(0L, Z_NULL, 0);
state->mode = TYPE;
+ /* fallthrough */
case TYPE:
if (flush == Z_BLOCK || flush == Z_TREES) goto inf_leave;
+ /* fallthrough */
case TYPEDO:
if (state->last) {
BYTEBITS();
@@ -899,8 +909,10 @@
INITBITS();
state->mode = COPY_;
if (flush == Z_TREES) goto inf_leave;
+ /* fallthrough */
case COPY_:
state->mode = COPY;
+ /* fallthrough */
case COPY:
copy = state->length;
if (copy) {
@@ -936,6 +948,7 @@
Tracev((stderr, "inflate: table sizes ok\n"));
state->have = 0;
state->mode = LENLENS;
+ /* fallthrough */
case LENLENS:
while (state->have < state->ncode) {
NEEDBITS(3);
@@ -957,6 +970,7 @@
Tracev((stderr, "inflate: code lengths ok\n"));
state->have = 0;
state->mode = CODELENS;
+ /* fallthrough */
case CODELENS:
while (state->have < state->nlen + state->ndist) {
for (;;) {
@@ -1040,8 +1054,10 @@
Tracev((stderr, "inflate: codes ok\n"));
state->mode = LEN_;
if (flush == Z_TREES) goto inf_leave;
+ /* fallthrough */
case LEN_:
state->mode = LEN;
+ /* fallthrough */
case LEN:
if (have >= 6 && left >= 258) {
RESTORE();
@@ -1091,6 +1107,7 @@
}
state->extra = (unsigned)(here.op) & 15;
state->mode = LENEXT;
+ /* fallthrough */
case LENEXT:
if (state->extra) {
NEEDBITS(state->extra);
@@ -1101,6 +1118,7 @@
Tracevv((stderr, "inflate: length %u\n", state->length));
state->was = state->length;
state->mode = DIST;
+ /* fallthrough */
case DIST:
for (;;) {
here = state->distcode[BITS(state->distbits)];
@@ -1128,6 +1146,7 @@
state->offset = (unsigned)here.val;
state->extra = (unsigned)(here.op) & 15;
state->mode = DISTEXT;
+ /* fallthrough */
case DISTEXT:
if (state->extra) {
NEEDBITS(state->extra);
@@ -1144,6 +1163,7 @@
#endif
Tracevv((stderr, "inflate: distance %u\n", state->offset));
state->mode = MATCH;
+ /* fallthrough */
case MATCH:
if (left == 0) goto inf_leave;
copy = out - left;
@@ -1219,6 +1239,7 @@
}
#ifdef GUNZIP
state->mode = LENGTH;
+ /* fallthrough */
case LENGTH:
if (state->wrap && state->flags) {
NEEDBITS(32);
@@ -1232,6 +1253,7 @@
}
#endif
state->mode = DONE;
+ /* fallthrough */
case DONE:
ret = Z_STREAM_END;
goto inf_leave;
@@ -1241,6 +1263,7 @@
case MEM:
return Z_MEM_ERROR;
case SYNC:
+ /* fallthrough */
default:
return Z_STREAM_ERROR;
}
