version 1.213, 2019/06/03 19:58:02 |
version 1.215, 2020/03/13 15:32:28 |
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/* $Id$ */ |
/* $Id$ */ |
/* |
/* |
* Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv> |
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* Copyright (c) 2010-2019 Ingo Schwarze <schwarze@openbsd.org> |
* Copyright (c) 2010-2019 Ingo Schwarze <schwarze@openbsd.org> |
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* Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv> |
* Copyright (c) 2010, 2012 Joerg Sonnenberger <joerg@netbsd.org> |
* Copyright (c) 2010, 2012 Joerg Sonnenberger <joerg@netbsd.org> |
* |
* |
* Permission to use, copy, modify, and distribute this software for any |
* Permission to use, copy, modify, and distribute this software for any |
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
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* |
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* Top-level functions of the mandoc(3) parser: |
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* Parser and input encoding selection, decompression, |
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* handling of input bytes, characters, lines, and files, |
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* handling of roff(7) loops and file inclusion, |
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* and steering of the various parsers. |
*/ |
*/ |
#include "config.h" |
#include "config.h" |
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#include "mandoc_aux.h" |
#include "mandoc_aux.h" |
#include "mandoc.h" |
#include "mandoc.h" |
#include "roff.h" |
#include "roff.h" |
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#include "tag.h" |
#include "mdoc.h" |
#include "mdoc.h" |
#include "man.h" |
#include "man.h" |
#include "mandoc_parse.h" |
#include "mandoc_parse.h" |
Line 431 read_whole_file(struct mparse *curp, int fd, struct bu |
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Line 438 read_whole_file(struct mparse *curp, int fd, struct bu |
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int gzerrnum, retval; |
int gzerrnum, retval; |
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if (fstat(fd, &st) == -1) { |
if (fstat(fd, &st) == -1) { |
mandoc_msg(MANDOCERR_FILE, 0, 0, |
mandoc_msg(MANDOCERR_FSTAT, 0, 0, "%s", strerror(errno)); |
"fstat: %s", strerror(errno)); |
return -1; |
return 0; |
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} |
} |
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/* |
/* |
Line 446 read_whole_file(struct mparse *curp, int fd, struct bu |
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Line 452 read_whole_file(struct mparse *curp, int fd, struct bu |
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if (curp->gzip == 0 && S_ISREG(st.st_mode)) { |
if (curp->gzip == 0 && S_ISREG(st.st_mode)) { |
if (st.st_size > 0x7fffffff) { |
if (st.st_size > 0x7fffffff) { |
mandoc_msg(MANDOCERR_TOOLARGE, 0, 0, NULL); |
mandoc_msg(MANDOCERR_TOOLARGE, 0, 0, NULL); |
return 0; |
return -1; |
} |
} |
*with_mmap = 1; |
*with_mmap = 1; |
fb->sz = (size_t)st.st_size; |
fb->sz = (size_t)st.st_size; |
fb->buf = mmap(NULL, fb->sz, PROT_READ, MAP_SHARED, fd, 0); |
fb->buf = mmap(NULL, fb->sz, PROT_READ, MAP_SHARED, fd, 0); |
if (fb->buf != MAP_FAILED) |
if (fb->buf != MAP_FAILED) |
return 1; |
return 0; |
} |
} |
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if (curp->gzip) { |
if (curp->gzip) { |
Line 464 read_whole_file(struct mparse *curp, int fd, struct bu |
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Line 470 read_whole_file(struct mparse *curp, int fd, struct bu |
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* which this function must not do. |
* which this function must not do. |
*/ |
*/ |
if ((fd = dup(fd)) == -1) { |
if ((fd = dup(fd)) == -1) { |
mandoc_msg(MANDOCERR_FILE, 0, 0, |
mandoc_msg(MANDOCERR_DUP, 0, 0, |
"dup: %s", strerror(errno)); |
"%s", strerror(errno)); |
return 0; |
return -1; |
} |
} |
if ((gz = gzdopen(fd, "rb")) == NULL) { |
if ((gz = gzdopen(fd, "rb")) == NULL) { |
mandoc_msg(MANDOCERR_FILE, 0, 0, |
mandoc_msg(MANDOCERR_GZDOPEN, 0, 0, |
"gzdopen: %s", strerror(errno)); |
"%s", strerror(errno)); |
close(fd); |
close(fd); |
return 0; |
return -1; |
} |
} |
} else |
} else |
gz = NULL; |
gz = NULL; |
Line 484 read_whole_file(struct mparse *curp, int fd, struct bu |
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Line 490 read_whole_file(struct mparse *curp, int fd, struct bu |
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*with_mmap = 0; |
*with_mmap = 0; |
off = 0; |
off = 0; |
retval = 0; |
retval = -1; |
fb->sz = 0; |
fb->sz = 0; |
fb->buf = NULL; |
fb->buf = NULL; |
for (;;) { |
for (;;) { |
Line 500 read_whole_file(struct mparse *curp, int fd, struct bu |
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Line 506 read_whole_file(struct mparse *curp, int fd, struct bu |
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read(fd, fb->buf + (int)off, fb->sz - off); |
read(fd, fb->buf + (int)off, fb->sz - off); |
if (ssz == 0) { |
if (ssz == 0) { |
fb->sz = off; |
fb->sz = off; |
retval = 1; |
retval = 0; |
break; |
break; |
} |
} |
if (ssz == -1) { |
if (ssz == -1) { |
if (curp->gzip) |
if (curp->gzip) |
(void)gzerror(gz, &gzerrnum); |
(void)gzerror(gz, &gzerrnum); |
mandoc_msg(MANDOCERR_FILE, 0, 0, "read: %s", |
mandoc_msg(MANDOCERR_READ, 0, 0, "%s", |
curp->gzip && gzerrnum != Z_ERRNO ? |
curp->gzip && gzerrnum != Z_ERRNO ? |
zError(gzerrnum) : strerror(errno)); |
zError(gzerrnum) : strerror(errno)); |
break; |
break; |
Line 515 read_whole_file(struct mparse *curp, int fd, struct bu |
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Line 521 read_whole_file(struct mparse *curp, int fd, struct bu |
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} |
} |
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if (curp->gzip && (gzerrnum = gzclose(gz)) != Z_OK) |
if (curp->gzip && (gzerrnum = gzclose(gz)) != Z_OK) |
mandoc_msg(MANDOCERR_FILE, 0, 0, "gzclose: %s", |
mandoc_msg(MANDOCERR_GZCLOSE, 0, 0, "%s", |
gzerrnum == Z_ERRNO ? strerror(errno) : |
gzerrnum == Z_ERRNO ? strerror(errno) : |
zError(gzerrnum)); |
zError(gzerrnum)); |
if (retval == 0) { |
if (retval == -1) { |
free(fb->buf); |
free(fb->buf); |
fb->buf = NULL; |
fb->buf = NULL; |
} |
} |
Line 557 mparse_readfd(struct mparse *curp, int fd, const char |
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Line 563 mparse_readfd(struct mparse *curp, int fd, const char |
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mandoc_msg(MANDOCERR_ROFFLOOP, curp->line, 0, NULL); |
mandoc_msg(MANDOCERR_ROFFLOOP, curp->line, 0, NULL); |
return; |
return; |
} |
} |
if (read_whole_file(curp, fd, &blk, &with_mmap) == 0) |
if (read_whole_file(curp, fd, &blk, &with_mmap) == -1) |
return; |
return; |
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/* |
/* |
Line 665 mparse_alloc(int options, enum mandoc_os os_e, const c |
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Line 671 mparse_alloc(int options, enum mandoc_os os_e, const c |
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} |
} |
curp->man->meta.first->tok = TOKEN_NONE; |
curp->man->meta.first->tok = TOKEN_NONE; |
curp->man->meta.os_e = os_e; |
curp->man->meta.os_e = os_e; |
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tag_alloc(); |
return curp; |
return curp; |
} |
} |
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Line 681 mparse_reset(struct mparse *curp) |
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Line 688 mparse_reset(struct mparse *curp) |
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void |
void |
mparse_free(struct mparse *curp) |
mparse_free(struct mparse *curp) |
{ |
{ |
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tag_free(); |
roffhash_free(curp->man->mdocmac); |
roffhash_free(curp->man->mdocmac); |
roffhash_free(curp->man->manmac); |
roffhash_free(curp->man->manmac); |
roff_man_free(curp->man); |
roff_man_free(curp->man); |