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Use z_const for setting msg to literal strings.

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This commit is contained in:
Lwisce Zeng 2024-04-01 15:55:13 +08:00 committed by Mark Adler
parent c5e87dcdef
commit 2ba25b2dda
5 changed files with 58 additions and 58 deletions
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24
contrib/infback9/infback9.c
View File

@ -293,7 +293,7 @@ int ZEXPORT inflateBack9(z_stream FAR *strm, in_func in, void FAR *in_desc,
mode = TABLE;
break;
case 3:
strm->msg = (char *)"invalid block type";
strm->msg = (z_const char *)"invalid block type";
mode = BAD;
}
DROPBITS(2);
@ -304,7 +304,7 @@ int ZEXPORT inflateBack9(z_stream FAR *strm, in_func in, void FAR *in_desc,
BYTEBITS(); /* go to byte boundary */
NEEDBITS(32);
if ((hold & 0xffff) != ((hold >> 16) ^ 0xffff)) {
strm->msg = (char *)"invalid stored block lengths";
strm->msg = (z_const char *)"invalid stored block lengths";
mode = BAD;
break;
}
@ -341,7 +341,7 @@ int ZEXPORT inflateBack9(z_stream FAR *strm, in_func in, void FAR *in_desc,
state->ncode = BITS(4) + 4;
DROPBITS(4);
if (state->nlen > 286) {
strm->msg = (char *)"too many length symbols";
strm->msg = (z_const char *)"too many length symbols";
mode = BAD;
break;
}
@ -362,7 +362,7 @@ int ZEXPORT inflateBack9(z_stream FAR *strm, in_func in, void FAR *in_desc,
ret = inflate_table9(CODES, state->lens, 19, &(state->next),
&(lenbits), state->work);
if (ret) {
strm->msg = (char *)"invalid code lengths set";
strm->msg = (z_const char *)"invalid code lengths set";
mode = BAD;
break;
}
@ -386,7 +386,7 @@ int ZEXPORT inflateBack9(z_stream FAR *strm, in_func in, void FAR *in_desc,
NEEDBITS(here.bits + 2);
DROPBITS(here.bits);
if (state->have == 0) {
strm->msg = (char *)"invalid bit length repeat";
strm->msg = (z_const char *)"invalid bit length repeat";
mode = BAD;
break;
}
@ -409,7 +409,7 @@ int ZEXPORT inflateBack9(z_stream FAR *strm, in_func in, void FAR *in_desc,
DROPBITS(7);
}
if (state->have + copy > state->nlen + state->ndist) {
strm->msg = (char *)"invalid bit length repeat";
strm->msg = (z_const char *)"invalid bit length repeat";
mode = BAD;
break;
}
@ -423,7 +423,7 @@ int ZEXPORT inflateBack9(z_stream FAR *strm, in_func in, void FAR *in_desc,
/* check for end-of-block code (better have one) */
if (state->lens[256] == 0) {
strm->msg = (char *)"invalid code -- missing end-of-block";
strm->msg = (z_const char *)"invalid code -- missing end-of-block";
mode = BAD;
break;
}
@ -437,7 +437,7 @@ int ZEXPORT inflateBack9(z_stream FAR *strm, in_func in, void FAR *in_desc,
ret = inflate_table9(LENS, state->lens, state->nlen,
&(state->next), &(lenbits), state->work);
if (ret) {
strm->msg = (char *)"invalid literal/lengths set";
strm->msg = (z_const char *)"invalid literal/lengths set";
mode = BAD;
break;
}
@ -447,7 +447,7 @@ int ZEXPORT inflateBack9(z_stream FAR *strm, in_func in, void FAR *in_desc,
state->ndist, &(state->next), &(distbits),
state->work);
if (ret) {
strm->msg = (char *)"invalid distances set";
strm->msg = (z_const char *)"invalid distances set";
mode = BAD;
break;
}
@ -495,7 +495,7 @@ int ZEXPORT inflateBack9(z_stream FAR *strm, in_func in, void FAR *in_desc,
/* invalid code */
if (here.op & 64) {
strm->msg = (char *)"invalid literal/length code";
strm->msg = (z_const char *)"invalid literal/length code";
mode = BAD;
break;
}
@ -527,7 +527,7 @@ int ZEXPORT inflateBack9(z_stream FAR *strm, in_func in, void FAR *in_desc,
}
DROPBITS(here.bits);
if (here.op & 64) {
strm->msg = (char *)"invalid distance code";
strm->msg = (z_const char *)"invalid distance code";
mode = BAD;
break;
}
@ -541,7 +541,7 @@ int ZEXPORT inflateBack9(z_stream FAR *strm, in_func in, void FAR *in_desc,
DROPBITS(extra);
}
if (offset > WSIZE - (wrap ? 0: left)) {
strm->msg = (char *)"invalid distance too far back";
strm->msg = (z_const char *)"invalid distance too far back";
mode = BAD;
break;
}

18
examples/gun.c
View File

@ -227,12 +227,12 @@ local int lunpipe(unsigned have, z_const unsigned char *next, struct ind *indp,
if (last == -1)
return Z_BUF_ERROR;
if (flags & 0x60) {
strm->msg = (char *)"unknown lzw flags set";
strm->msg = (z_const char *)"unknown lzw flags set";
return Z_DATA_ERROR;
}
max = flags & 0x1f;
if (max < 9 || max > 16) {
strm->msg = (char *)"lzw bits out of range";
strm->msg = (z_const char *)"lzw bits out of range";
return Z_DATA_ERROR;
}
if (max == 9) /* 9 doesn't really mean 9 */
@ -252,7 +252,7 @@ local int lunpipe(unsigned have, z_const unsigned char *next, struct ind *indp,
if (NEXT() == -1) /* missing a bit */
return Z_BUF_ERROR;
if (last & 1) { /* code must be < 256 */
strm->msg = (char *)"invalid lzw code";
strm->msg = (z_const char *)"invalid lzw code";
return Z_DATA_ERROR;
}
rem = (unsigned)last >> 1; /* remaining 7 bits */
@ -319,7 +319,7 @@ local int lunpipe(unsigned have, z_const unsigned char *next, struct ind *indp,
to detect random or corrupted input after a compress header.
In any case, the prev > end check must be retained. */
if (code != end + 1 || prev > end) {
strm->msg = (char *)"invalid lzw code";
strm->msg = (z_const char *)"invalid lzw code";
return Z_DATA_ERROR;
}
match[stack++] = (unsigned char)final;
@ -404,7 +404,7 @@ local int gunpipe(z_stream *strm, int infile, int outfile)
break; /* empty gzip stream is ok */
}
if (last != 31 || (NEXT() != 139 && last != 157)) {
strm->msg = (char *)"incorrect header check";
strm->msg = (z_const char *)"incorrect header check";
ret = first ? Z_DATA_ERROR : Z_ERRNO;
break; /* not a gzip or compress header */
}
@ -420,7 +420,7 @@ local int gunpipe(z_stream *strm, int infile, int outfile)
ret = Z_BUF_ERROR;
if (NEXT() != 8) { /* only deflate method allowed */
if (last == -1) break;
strm->msg = (char *)"unknown compression method";
strm->msg = (z_const char *)"unknown compression method";
ret = Z_DATA_ERROR;
break;
}
@ -433,7 +433,7 @@ local int gunpipe(z_stream *strm, int infile, int outfile)
NEXT();
if (last == -1) break;
if (flags & 0xe0) {
strm->msg = (char *)"unknown header flags set";
strm->msg = (z_const char *)"unknown header flags set";
ret = Z_DATA_ERROR;
break;
}
@ -486,7 +486,7 @@ local int gunpipe(z_stream *strm, int infile, int outfile)
NEXT() != (int)((outd.crc >> 24) & 0xff)) {
/* crc error */
if (last != -1) {
strm->msg = (char *)"incorrect data check";
strm->msg = (z_const char *)"incorrect data check";
ret = Z_DATA_ERROR;
}
break;
@ -497,7 +497,7 @@ local int gunpipe(z_stream *strm, int infile, int outfile)
NEXT() != (int)((outd.total >> 24) & 0xff)) {
/* length error */
if (last != -1) {
strm->msg = (char *)"incorrect length check";
strm->msg = (z_const char *)"incorrect length check";
ret = Z_DATA_ERROR;
}
break;

24
infback.c
View File

@ -304,7 +304,7 @@ int ZEXPORT inflateBack(z_streamp strm, in_func in, void FAR *in_desc,
state->mode = TABLE;
break;
case 3:
strm->msg = (char *)"invalid block type";
strm->msg = (z_const char *)"invalid block type";
state->mode = BAD;
}
DROPBITS(2);
@ -315,7 +315,7 @@ int ZEXPORT inflateBack(z_streamp strm, in_func in, void FAR *in_desc,
BYTEBITS(); /* go to byte boundary */
NEEDBITS(32);
if ((hold & 0xffff) != ((hold >> 16) ^ 0xffff)) {
strm->msg = (char *)"invalid stored block lengths";
strm->msg = (z_const char *)"invalid stored block lengths";
state->mode = BAD;
break;
}
@ -353,7 +353,7 @@ int ZEXPORT inflateBack(z_streamp strm, in_func in, void FAR *in_desc,
DROPBITS(4);
#ifndef PKZIP_BUG_WORKAROUND
if (state->nlen > 286 || state->ndist > 30) {
strm->msg = (char *)"too many length or distance symbols";
strm->msg = (z_const char *)"too many length or distance symbols";
state->mode = BAD;
break;
}
@ -375,7 +375,7 @@ int ZEXPORT inflateBack(z_streamp strm, in_func in, void FAR *in_desc,
ret = inflate_table(CODES, state->lens, 19, &(state->next),
&(state->lenbits), state->work);
if (ret) {
strm->msg = (char *)"invalid code lengths set";
strm->msg = (z_const char *)"invalid code lengths set";
state->mode = BAD;
break;
}
@ -398,7 +398,7 @@ int ZEXPORT inflateBack(z_streamp strm, in_func in, void FAR *in_desc,
NEEDBITS(here.bits + 2);
DROPBITS(here.bits);
if (state->have == 0) {
strm->msg = (char *)"invalid bit length repeat";
strm->msg = (z_const char *)"invalid bit length repeat";
state->mode = BAD;
break;
}
@ -421,7 +421,7 @@ int ZEXPORT inflateBack(z_streamp strm, in_func in, void FAR *in_desc,
DROPBITS(7);
}
if (state->have + copy > state->nlen + state->ndist) {
strm->msg = (char *)"invalid bit length repeat";
strm->msg = (z_const char *)"invalid bit length repeat";
state->mode = BAD;
break;
}
@ -435,7 +435,7 @@ int ZEXPORT inflateBack(z_streamp strm, in_func in, void FAR *in_desc,
/* check for end-of-block code (better have one) */
if (state->lens[256] == 0) {
strm->msg = (char *)"invalid code -- missing end-of-block";
strm->msg = (z_const char *)"invalid code -- missing end-of-block";
state->mode = BAD;
break;
}
@ -449,7 +449,7 @@ int ZEXPORT inflateBack(z_streamp strm, in_func in, void FAR *in_desc,
ret = inflate_table(LENS, state->lens, state->nlen, &(state->next),
&(state->lenbits), state->work);
if (ret) {
strm->msg = (char *)"invalid literal/lengths set";
strm->msg = (z_const char *)"invalid literal/lengths set";
state->mode = BAD;
break;
}
@ -458,7 +458,7 @@ int ZEXPORT inflateBack(z_streamp strm, in_func in, void FAR *in_desc,
ret = inflate_table(DISTS, state->lens + state->nlen, state->ndist,
&(state->next), &(state->distbits), state->work);
if (ret) {
strm->msg = (char *)"invalid distances set";
strm->msg = (z_const char *)"invalid distances set";
state->mode = BAD;
break;
}
@ -517,7 +517,7 @@ int ZEXPORT inflateBack(z_streamp strm, in_func in, void FAR *in_desc,
/* invalid code */
if (here.op & 64) {
strm->msg = (char *)"invalid literal/length code";
strm->msg = (z_const char *)"invalid literal/length code";
state->mode = BAD;
break;
}
@ -549,7 +549,7 @@ int ZEXPORT inflateBack(z_streamp strm, in_func in, void FAR *in_desc,
}
DROPBITS(here.bits);
if (here.op & 64) {
strm->msg = (char *)"invalid distance code";
strm->msg = (z_const char *)"invalid distance code";
state->mode = BAD;
break;
}
@ -564,7 +564,7 @@ int ZEXPORT inflateBack(z_streamp strm, in_func in, void FAR *in_desc,
}
if (state->offset > state->wsize - (state->whave < state->wsize ?
left : 0)) {
strm->msg = (char *)"invalid distance too far back";
strm->msg = (z_const char *)"invalid distance too far back";
state->mode = BAD;
break;
}

8
inffast.c
View File

@ -155,7 +155,7 @@ void ZLIB_INTERNAL inflate_fast(z_streamp strm, unsigned start) {
dist += (unsigned)hold & ((1U << op) - 1);
#ifdef INFLATE_STRICT
if (dist > dmax) {
strm->msg = (char *)"invalid distance too far back";
strm->msg = (z_const char *)"invalid distance too far back";
state->mode = BAD;
break;
}
@ -169,7 +169,7 @@ void ZLIB_INTERNAL inflate_fast(z_streamp strm, unsigned start) {
if (op > whave) {
if (state->sane) {
strm->msg =
(char *)"invalid distance too far back";
(z_const char *)"invalid distance too far back";
state->mode = BAD;
break;
}
@ -265,7 +265,7 @@ void ZLIB_INTERNAL inflate_fast(z_streamp strm, unsigned start) {
goto dodist;
}
else {
strm->msg = (char *)"invalid distance code";
strm->msg = (z_const char *)"invalid distance code";
state->mode = BAD;
break;
}
@ -280,7 +280,7 @@ void ZLIB_INTERNAL inflate_fast(z_streamp strm, unsigned start) {
break;
}
else {
strm->msg = (char *)"invalid literal/length code";
strm->msg = (z_const char *)"invalid literal/length code";
state->mode = BAD;
break;
}

42
inflate.c
View File

@ -642,12 +642,12 @@ int ZEXPORT inflate(z_streamp strm, int flush) {
if (
#endif
((BITS(8) << 8) + (hold >> 8)) % 31) {
strm->msg = (char *)"incorrect header check";
strm->msg = (z_const char *)"incorrect header check";
state->mode = BAD;
break;
}
if (BITS(4) != Z_DEFLATED) {
strm->msg = (char *)"unknown compression method";
strm->msg = (z_const char *)"unknown compression method";
state->mode = BAD;
break;
}
@ -656,7 +656,7 @@ int ZEXPORT inflate(z_streamp strm, int flush) {
if (state->wbits == 0)
state->wbits = len;
if (len > 15 || len > state->wbits) {
strm->msg = (char *)"invalid window size";
strm->msg = (z_const char *)"invalid window size";
state->mode = BAD;
break;
}
@ -672,12 +672,12 @@ int ZEXPORT inflate(z_streamp strm, int flush) {
NEEDBITS(16);
state->flags = (int)(hold);
if ((state->flags & 0xff) != Z_DEFLATED) {
strm->msg = (char *)"unknown compression method";
strm->msg = (z_const char *)"unknown compression method";
state->mode = BAD;
break;
}
if (state->flags & 0xe000) {
strm->msg = (char *)"unknown header flags set";
strm->msg = (z_const char *)"unknown header flags set";
state->mode = BAD;
break;
}
@ -793,7 +793,7 @@ int ZEXPORT inflate(z_streamp strm, int flush) {
if (state->flags & 0x0200) {
NEEDBITS(16);
if ((state->wrap & 4) && hold != (state->check & 0xffff)) {
strm->msg = (char *)"header crc mismatch";
strm->msg = (z_const char *)"header crc mismatch";
state->mode = BAD;
break;
}
@ -855,7 +855,7 @@ int ZEXPORT inflate(z_streamp strm, int flush) {
state->mode = TABLE;
break;
case 3:
strm->msg = (char *)"invalid block type";
strm->msg = (z_const char *)"invalid block type";
state->mode = BAD;
}
DROPBITS(2);
@ -864,7 +864,7 @@ int ZEXPORT inflate(z_streamp strm, int flush) {
BYTEBITS(); /* go to byte boundary */
NEEDBITS(32);
if ((hold & 0xffff) != ((hold >> 16) ^ 0xffff)) {
strm->msg = (char *)"invalid stored block lengths";
strm->msg = (z_const char *)"invalid stored block lengths";
state->mode = BAD;
break;
}
@ -905,7 +905,7 @@ int ZEXPORT inflate(z_streamp strm, int flush) {
DROPBITS(4);
#ifndef PKZIP_BUG_WORKAROUND
if (state->nlen > 286 || state->ndist > 30) {
strm->msg = (char *)"too many length or distance symbols";
strm->msg = (z_const char *)"too many length or distance symbols";
state->mode = BAD;
break;
}
@ -928,7 +928,7 @@ int ZEXPORT inflate(z_streamp strm, int flush) {
ret = inflate_table(CODES, state->lens, 19, &(state->next),
&(state->lenbits), state->work);
if (ret) {
strm->msg = (char *)"invalid code lengths set";
strm->msg = (z_const char *)"invalid code lengths set";
state->mode = BAD;
break;
}
@ -952,7 +952,7 @@ int ZEXPORT inflate(z_streamp strm, int flush) {
NEEDBITS(here.bits + 2);
DROPBITS(here.bits);
if (state->have == 0) {
strm->msg = (char *)"invalid bit length repeat";
strm->msg = (z_const char *)"invalid bit length repeat";
state->mode = BAD;
break;
}
@ -975,7 +975,7 @@ int ZEXPORT inflate(z_streamp strm, int flush) {
DROPBITS(7);
}
if (state->have + copy > state->nlen + state->ndist) {
strm->msg = (char *)"invalid bit length repeat";
strm->msg = (z_const char *)"invalid bit length repeat";
state->mode = BAD;
break;
}
@ -989,7 +989,7 @@ int ZEXPORT inflate(z_streamp strm, int flush) {
/* check for end-of-block code (better have one) */
if (state->lens[256] == 0) {
strm->msg = (char *)"invalid code -- missing end-of-block";
strm->msg = (z_const char *)"invalid code -- missing end-of-block";
state->mode = BAD;
break;
}
@ -1003,7 +1003,7 @@ int ZEXPORT inflate(z_streamp strm, int flush) {
ret = inflate_table(LENS, state->lens, state->nlen, &(state->next),
&(state->lenbits), state->work);
if (ret) {
strm->msg = (char *)"invalid literal/lengths set";
strm->msg = (z_const char *)"invalid literal/lengths set";
state->mode = BAD;
break;
}
@ -1012,7 +1012,7 @@ int ZEXPORT inflate(z_streamp strm, int flush) {
ret = inflate_table(DISTS, state->lens + state->nlen, state->ndist,
&(state->next), &(state->distbits), state->work);
if (ret) {
strm->msg = (char *)"invalid distances set";
strm->msg = (z_const char *)"invalid distances set";
state->mode = BAD;
break;
}
@ -1066,7 +1066,7 @@ int ZEXPORT inflate(z_streamp strm, int flush) {
break;
}
if (here.op & 64) {
strm->msg = (char *)"invalid literal/length code";
strm->msg = (z_const char *)"invalid literal/length code";
state->mode = BAD;
break;
}
@ -1104,7 +1104,7 @@ int ZEXPORT inflate(z_streamp strm, int flush) {
DROPBITS(here.bits);
state->back += here.bits;
if (here.op & 64) {
strm->msg = (char *)"invalid distance code";
strm->msg = (z_const char *)"invalid distance code";
state->mode = BAD;
break;
}
@ -1121,7 +1121,7 @@ int ZEXPORT inflate(z_streamp strm, int flush) {
}
#ifdef INFLATE_STRICT
if (state->offset > state->dmax) {
strm->msg = (char *)"invalid distance too far back";
strm->msg = (z_const char *)"invalid distance too far back";
state->mode = BAD;
break;
}
@ -1136,7 +1136,7 @@ int ZEXPORT inflate(z_streamp strm, int flush) {
copy = state->offset - copy;
if (copy > state->whave) {
if (state->sane) {
strm->msg = (char *)"invalid distance too far back";
strm->msg = (z_const char *)"invalid distance too far back";
state->mode = BAD;
break;
}
@ -1195,7 +1195,7 @@ int ZEXPORT inflate(z_streamp strm, int flush) {
state->flags ? hold :
#endif
ZSWAP32(hold)) != state->check) {
strm->msg = (char *)"incorrect data check";
strm->msg = (z_const char *)"incorrect data check";
state->mode = BAD;
break;
}
@ -1209,7 +1209,7 @@ int ZEXPORT inflate(z_streamp strm, int flush) {
if (state->wrap && state->flags) {
NEEDBITS(32);
if ((state->wrap & 4) && hold != (state->total & 0xffffffff)) {
strm->msg = (char *)"incorrect length check";
strm->msg = (z_const char *)"incorrect length check";
state->mode = BAD;
break;
}