version 1.165, 2017/11/10 22:48:05 |
version 1.166, 2018/02/23 21:34:37 |
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gzFile gz; |
gzFile gz; |
size_t off; |
size_t off; |
ssize_t ssz; |
ssize_t ssz; |
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int gzerrnum, retval; |
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if (fstat(fd, &st) == -1) { |
if (fstat(fd, &st) == -1) { |
mandoc_vmsg(MANDOCERR_FILE, curp, 0, 0, |
mandoc_vmsg(MANDOCERR_FILE, curp, 0, 0, |
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} |
} |
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if (curp->gzip) { |
if (curp->gzip) { |
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/* |
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* Duplicating the file descriptor is required |
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* because we will have to call gzclose(3) |
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* to free memory used internally by zlib, |
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* but that will also close the file descriptor, |
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* which this function must not do. |
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*/ |
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if ((fd = dup(fd)) == -1) { |
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mandoc_vmsg(MANDOCERR_FILE, curp, 0, 0, |
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"dup: %s", strerror(errno)); |
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return 0; |
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} |
if ((gz = gzdopen(fd, "rb")) == NULL) { |
if ((gz = gzdopen(fd, "rb")) == NULL) { |
mandoc_vmsg(MANDOCERR_FILE, curp, 0, 0, |
mandoc_vmsg(MANDOCERR_FILE, curp, 0, 0, |
"gzdopen: %s", strerror(errno)); |
"gzdopen: %s", strerror(errno)); |
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close(fd); |
return 0; |
return 0; |
} |
} |
} else |
} else |
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*with_mmap = 0; |
*with_mmap = 0; |
off = 0; |
off = 0; |
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retval = 0; |
fb->sz = 0; |
fb->sz = 0; |
fb->buf = NULL; |
fb->buf = NULL; |
for (;;) { |
for (;;) { |
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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; |
return 1; |
retval = 1; |
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break; |
} |
} |
if (ssz == -1) { |
if (ssz == -1) { |
mandoc_vmsg(MANDOCERR_FILE, curp, 0, 0, |
if (curp->gzip) |
"read: %s", strerror(errno)); |
(void)gzerror(gz, &gzerrnum); |
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mandoc_vmsg(MANDOCERR_FILE, curp, 0, 0, "read: %s", |
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curp->gzip && gzerrnum != Z_ERRNO ? |
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zError(gzerrnum) : strerror(errno)); |
break; |
break; |
} |
} |
off += (size_t)ssz; |
off += (size_t)ssz; |
} |
} |
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free(fb->buf); |
if (curp->gzip && (gzerrnum = gzclose(gz)) != Z_OK) |
fb->buf = NULL; |
mandoc_vmsg(MANDOCERR_FILE, curp, 0, 0, "gzclose: %s", |
return 0; |
gzerrnum == Z_ERRNO ? strerror(errno) : |
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zError(gzerrnum)); |
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if (retval == 0) { |
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free(fb->buf); |
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fb->buf = NULL; |
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} |
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return retval; |
} |
} |
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static void |
static void |