version 1.16, 2009/02/27 08:20:15 |
version 1.24, 2009/03/02 12:09:32 |
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
* PERFORMANCE OF THIS SOFTWARE. |
* PERFORMANCE OF THIS SOFTWARE. |
*/ |
*/ |
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#include <sys/utsname.h> |
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#include <assert.h> |
#include <assert.h> |
#include <ctype.h> |
#include <ctype.h> |
#include <err.h> |
#include <err.h> |
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#define TERMSYM_LARROW "<-" |
#define TERMSYM_LARROW "<-" |
#define TERMSYM_RARROW "->" |
#define TERMSYM_RARROW "->" |
#define TERMSYM_UARROW "^" |
#define TERMSYM_UARROW "^" |
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#define TERMSYM_DARROW "v" |
#define TERMSYM_LSQUOTE "`" |
#define TERMSYM_LSQUOTE "`" |
#define TERMSYM_RSQUOTE "\'" |
#define TERMSYM_RSQUOTE "\'" |
#define TERMSYM_SQUOTE "\'" |
#define TERMSYM_SQUOTE "\'" |
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#define TERMSYM_GRAVE "`" |
#define TERMSYM_GRAVE "`" |
#define TERMSYM_PI "pi" |
#define TERMSYM_PI "pi" |
#define TERMSYM_PLUSMINUS "+=" |
#define TERMSYM_PLUSMINUS "+=" |
#define TERMSYM_INFINITY "infinity" |
#define TERMSYM_INF "oo" |
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#define TERMSYM_INF2 "infinity" |
#define TERMSYM_NAN "NaN" |
#define TERMSYM_NAN "NaN" |
#define TERMSYM_BAR "|" |
#define TERMSYM_BAR "|" |
#define TERMSYM_BULLET "o" |
#define TERMSYM_BULLET "o" |
Line 81 static void footer(struct termp *, |
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Line 85 static void footer(struct termp *, |
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static void pword(struct termp *, const char *, size_t); |
static void pword(struct termp *, const char *, size_t); |
static void pescape(struct termp *, |
static void pescape(struct termp *, |
const char *, size_t *, size_t); |
const char *, size_t *, size_t); |
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static void pgraph(struct termp *, char); |
static void nescape(struct termp *, |
static void nescape(struct termp *, |
const char *, size_t); |
const char *, size_t); |
static void chara(struct termp *, char); |
static void chara(struct termp *, char); |
Line 108 main(int argc, char *argv[]) |
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Line 113 main(int argc, char *argv[]) |
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if (NULL == (mdoc = mmain_mdoc(p))) |
if (NULL == (mdoc = mmain_mdoc(p))) |
mmain_exit(p, 1); |
mmain_exit(p, 1); |
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termp.maxrmargin = 80; /* XXX */ |
termp.maxrmargin = 78; /* XXX */ |
termp.rmargin = termp.maxrmargin; |
termp.rmargin = termp.maxrmargin; |
termp.maxcols = 1024; |
termp.maxcols = 1024; |
termp.offset = termp.col = 0; |
termp.offset = termp.col = 0; |
Line 169 flushln(struct termp *p) |
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Line 174 flushln(struct termp *p) |
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for (i = 0; i < p->col; i++) { |
for (i = 0; i < p->col; i++) { |
/* |
/* |
* Count up visible word characters. Control sequences |
* Count up visible word characters. Control sequences |
* (starting with the CSI) aren't counted. |
* (starting with the CSI) aren't counted. A space |
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* generates a non-printing word, which is valid (the |
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* space is printed according to regular spacing rules). |
*/ |
*/ |
assert( ! xisspace(p->buf[i])); |
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/* LINTED */ |
/* LINTED */ |
for (j = i, vsz = 0; j < p->col; j++) { |
for (j = i, vsz = 0; j < p->col; j++) { |
Line 183 flushln(struct termp *p) |
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Line 189 flushln(struct termp *p) |
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} else |
} else |
vsz++; |
vsz++; |
} |
} |
assert(vsz > 0); |
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/* |
/* |
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* If we're breaking normally... |
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* |
* If a word is too long and we're within a line, put it |
* If a word is too long and we're within a line, put it |
* on the next line. Puke if we're being asked to write |
* on the next line. Puke if we're being asked to write |
* something that will exceed the right margin (i.e., |
* something that will exceed the right margin (i.e., |
* from a fresh line or when we're not allowed to break |
* from a fresh line). |
* the line with TERMP_NOBREAK). |
* |
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* If we're not breaking... |
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* |
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* Don't let the visible size exceed the full right |
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* margin. |
*/ |
*/ |
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/* FIXME: allow selective right-margin breaking. */ |
if ( ! (TERMP_NOBREAK & p->flags)) { |
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if (vis && vis + vsz > maxvis) { |
if (vis && vis + vsz > maxvis) { |
putchar('\n'); |
if (p->flags & TERMP_NOBREAK) |
for (j = 0; j < p->offset; j++) |
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putchar(' '); |
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vis = 0; |
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} else if (vis + vsz > maxvis) |
errx(1, "word breaks right margin"); |
errx(1, "word breaks right margin"); |
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} else if (vis + vsz > p->maxrmargin - p->offset) { |
putchar('\n'); |
putchar('\n'); |
for (j = 0; j < p->offset; j++) |
for (j = 0; j < p->rmargin; j++) |
putchar(' '); |
putchar(' '); |
vis = 0; |
vis = p->rmargin; |
} else if (vis + vsz > maxvis) |
} |
errx(1, "word breaks right margin"); |
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/* |
/* |
* Write out the word and a trailing space. Omit the |
* Write out the word and a trailing space. Omit the |
Line 222 flushln(struct termp *p) |
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Line 236 flushln(struct termp *p) |
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} |
} |
} |
} |
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if ((TERMP_NOBREAK & p->flags) && vis >= maxvis) { |
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putchar('\n'); |
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for (i = 0; i < p->rmargin; i++) |
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putchar(' '); |
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p->col = 0; |
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return; |
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} |
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/* |
/* |
* If we're not to right-marginalise it (newline), then instead |
* If we're not to right-marginalise it (newline), then instead |
* pad to the right margin and stay off. |
* pad to the right margin and stay off. |
*/ |
*/ |
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if (p->flags & TERMP_NOBREAK) { |
if (p->flags & TERMP_NOBREAK) { |
if ( ! (p->flags & TERMP_NORPAD)) |
for ( ; vis < maxvis; vis++) |
for ( ; vis < maxvis; vis++) |
putchar(' '); |
putchar(' '); |
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} else |
} else |
putchar('\n'); |
putchar('\n'); |
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Line 338 nescape(struct termp *p, const char *word, size_t len) |
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Line 359 nescape(struct termp *p, const char *word, size_t len) |
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stringa(p, TERMSYM_RBRACK); |
stringa(p, TERMSYM_RBRACK); |
else if ('l' == word[0] && 'B' == word[1]) |
else if ('l' == word[0] && 'B' == word[1]) |
stringa(p, TERMSYM_LBRACK); |
stringa(p, TERMSYM_LBRACK); |
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else if ('l' == word[0] && 'q' == word[1]) |
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stringa(p, TERMSYM_LDQUOTE); |
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else if ('r' == word[0] && 'q' == word[1]) |
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stringa(p, TERMSYM_RDQUOTE); |
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else if ('o' == word[0] && 'q' == word[1]) |
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stringa(p, TERMSYM_LSQUOTE); |
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else if ('a' == word[0] && 'q' == word[1]) |
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stringa(p, TERMSYM_RSQUOTE); |
else if ('<' == word[0] && '-' == word[1]) |
else if ('<' == word[0] && '-' == word[1]) |
stringa(p, TERMSYM_LARROW); |
stringa(p, TERMSYM_LARROW); |
else if ('-' == word[0] && '>' == word[1]) |
else if ('-' == word[0] && '>' == word[1]) |
stringa(p, TERMSYM_RARROW); |
stringa(p, TERMSYM_RARROW); |
else if ('l' == word[0] && 'q' == word[1]) |
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stringa(p, TERMSYM_DQUOTE); |
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else if ('r' == word[0] && 'q' == word[1]) |
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stringa(p, TERMSYM_DQUOTE); |
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else if ('b' == word[0] && 'u' == word[1]) |
else if ('b' == word[0] && 'u' == word[1]) |
stringa(p, TERMSYM_BULLET); |
stringa(p, TERMSYM_BULLET); |
else if ('L' == word[0] && 'e' == word[1]) |
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stringa(p, TERMSYM_LE); |
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else if ('<' == word[0] && '=' == word[1]) |
else if ('<' == word[0] && '=' == word[1]) |
stringa(p, TERMSYM_LE); |
stringa(p, TERMSYM_LE); |
else if ('G' == word[0] && 'e' == word[1]) |
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stringa(p, TERMSYM_GE); |
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else if ('>' == word[0] && '=' == word[1]) |
else if ('>' == word[0] && '=' == word[1]) |
stringa(p, TERMSYM_GE); |
stringa(p, TERMSYM_GE); |
else if ('R' == word[0] && 'q' == word[1]) |
else if ('=' == word[0] && '=' == word[1]) |
stringa(p, TERMSYM_RDQUOTE); |
stringa(p, TERMSYM_EQ); |
else if ('L' == word[0] && 'q' == word[1]) |
else if ('+' == word[0] && '-' == word[1]) |
stringa(p, TERMSYM_LDQUOTE); |
stringa(p, TERMSYM_PLUSMINUS); |
else if ('u' == word[0] && 'a' == word[1]) |
else if ('u' == word[0] && 'a' == word[1]) |
stringa(p, TERMSYM_UARROW); |
stringa(p, TERMSYM_UARROW); |
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else if ('d' == word[0] && 'a' == word[1]) |
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stringa(p, TERMSYM_DARROW); |
else if ('a' == word[0] && 'a' == word[1]) |
else if ('a' == word[0] && 'a' == word[1]) |
stringa(p, TERMSYM_ACUTE); |
stringa(p, TERMSYM_ACUTE); |
else if ('g' == word[0] && 'a' == word[1]) |
else if ('g' == word[0] && 'a' == word[1]) |
stringa(p, TERMSYM_GRAVE); |
stringa(p, TERMSYM_GRAVE); |
else if ('P' == word[0] && 'i' == word[1]) |
else if ('!' == word[0] && '=' == word[1]) |
stringa(p, TERMSYM_PI); |
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else if ('N' == word[0] && 'e' == word[1]) |
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stringa(p, TERMSYM_NEQ); |
stringa(p, TERMSYM_NEQ); |
else if ('L' == word[0] && 't' == word[1]) |
else if ('i' == word[0] && 'f' == word[1]) |
stringa(p, TERMSYM_LT); |
stringa(p, TERMSYM_INF); |
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else if ('n' == word[0] && 'a' == word[1]) |
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stringa(p, TERMSYM_NAN); |
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else if ('b' == word[0] && 'a' == word[1]) |
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stringa(p, TERMSYM_BAR); |
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/* Deprecated forms. */ |
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else if ('B' == word[0] && 'a' == word[1]) |
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stringa(p, TERMSYM_BAR); |
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else if ('I' == word[0] && 'f' == word[1]) |
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stringa(p, TERMSYM_INF2); |
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else if ('G' == word[0] && 'e' == word[1]) |
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stringa(p, TERMSYM_GE); |
else if ('G' == word[0] && 't' == word[1]) |
else if ('G' == word[0] && 't' == word[1]) |
stringa(p, TERMSYM_GT); |
stringa(p, TERMSYM_GT); |
else if ('P' == word[0] && 'm' == word[1]) |
else if ('L' == word[0] && 'e' == word[1]) |
stringa(p, TERMSYM_PLUSMINUS); |
stringa(p, TERMSYM_LE); |
else if ('I' == word[0] && 'f' == word[1]) |
else if ('L' == word[0] && 'q' == word[1]) |
stringa(p, TERMSYM_INFINITY); |
stringa(p, TERMSYM_LDQUOTE); |
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else if ('L' == word[0] && 't' == word[1]) |
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stringa(p, TERMSYM_LT); |
else if ('N' == word[0] && 'a' == word[1]) |
else if ('N' == word[0] && 'a' == word[1]) |
stringa(p, TERMSYM_NAN); |
stringa(p, TERMSYM_NAN); |
else if ('B' == word[0] && 'a' == word[1]) |
else if ('N' == word[0] && 'e' == word[1]) |
stringa(p, TERMSYM_BAR); |
stringa(p, TERMSYM_NEQ); |
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else if ('P' == word[0] && 'i' == word[1]) |
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stringa(p, TERMSYM_PI); |
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else if ('P' == word[0] && 'm' == word[1]) |
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stringa(p, TERMSYM_PLUSMINUS); |
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else if ('R' == word[0] && 'q' == word[1]) |
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stringa(p, TERMSYM_RDQUOTE); |
break; |
break; |
default: |
default: |
break; |
break; |
Line 390 nescape(struct termp *p, const char *word, size_t len) |
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Line 431 nescape(struct termp *p, const char *word, size_t len) |
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static void |
static void |
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pgraph(struct termp *p, char byte) |
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{ |
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int i; |
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switch (byte) { |
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case (' '): |
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chara(p, ' '); |
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break; |
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case ('\t'): |
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for (i = 0; i < INDENT; i++) |
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chara(p, ' '); |
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break; |
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default: |
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warnx("unknown non-graphing character"); |
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break; |
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} |
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} |
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static void |
pescape(struct termp *p, const char *word, size_t *i, size_t len) |
pescape(struct termp *p, const char *word, size_t *i, size_t len) |
{ |
{ |
size_t j; |
size_t j; |
Line 441 pescape(struct termp *p, const char *word, size_t *i, |
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Line 502 pescape(struct termp *p, const char *word, size_t *i, |
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/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case ('.'): |
case ('.'): |
chara(p, word[*i]); |
chara(p, word[*i]); |
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break; |
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case ('e'): |
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chara(p, '\\'); |
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break; |
default: |
default: |
break; |
break; |
} |
} |
Line 460 pword(struct termp *p, const char *word, size_t len) |
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Line 525 pword(struct termp *p, const char *word, size_t len) |
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{ |
{ |
size_t i; |
size_t i; |
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/*assert(len > 0);*/ /* Can be, if literal. */ |
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/* |
/* |
* Handle pwords, partial words, which may be either a single |
* Handle pwords, partial words, which may be either a single |
* word or a phrase that cannot be broken down (such as a |
* word or a phrase that cannot be broken down (such as a |
Line 490 pword(struct termp *p, const char *word, size_t len) |
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Line 553 pword(struct termp *p, const char *word, size_t len) |
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pescape(p, word, &i, len); |
pescape(p, word, &i, len); |
continue; |
continue; |
} |
} |
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if ( ! isgraph((int)word[i])) { |
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pgraph(p, word[i]); |
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continue; |
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} |
chara(p, word[i]); |
chara(p, word[i]); |
} |
} |
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Line 530 word(struct termp *p, const char *word) |
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Line 597 word(struct termp *p, const char *word) |
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if ( ! xisspace(word[i])) { |
if ( ! xisspace(word[i])) { |
j++; |
j++; |
continue; |
continue; |
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} |
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/* Escaped spaces don't delimit... */ |
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if (i > 0 && xisspace(word[i]) && '\\' == word[i - 1]) { |
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j++; |
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continue; |
} |
} |
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if (0 == j) |
if (0 == j) |
continue; |
continue; |
assert(i >= j); |
assert(i >= j); |
Line 652 footer(struct termp *p, const struct mdoc_meta *meta) |
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Line 726 footer(struct termp *p, const struct mdoc_meta *meta) |
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static void |
static void |
header(struct termp *p, const struct mdoc_meta *meta) |
header(struct termp *p, const struct mdoc_meta *meta) |
{ |
{ |
char *buf, *title, *bufp; |
char *buf, *title, *bufp, *vbuf; |
const char *pp; |
const char *pp; |
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struct utsname uts; |
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p->rmargin = p->maxrmargin; |
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p->offset = 0; |
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if (NULL == (buf = malloc(p->rmargin))) |
if (NULL == (buf = malloc(p->rmargin))) |
err(1, "malloc"); |
err(1, "malloc"); |
if (NULL == (title = malloc(p->rmargin))) |
if (NULL == (title = malloc(p->rmargin))) |
err(1, "malloc"); |
err(1, "malloc"); |
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if (NULL == (vbuf = malloc(p->rmargin))) |
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err(1, "malloc"); |
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if (NULL == (pp = mdoc_vol2a(meta->vol))) |
if (NULL == (pp = mdoc_vol2a(meta->vol))) { |
switch (meta->msec) { |
switch (meta->msec) { |
case (MSEC_1): |
case (MSEC_1): |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
Line 685 header(struct termp *p, const struct mdoc_meta *meta) |
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Line 765 header(struct termp *p, const struct mdoc_meta *meta) |
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pp = mdoc_vol2a(VOL_KM); |
pp = mdoc_vol2a(VOL_KM); |
break; |
break; |
default: |
default: |
/* FIXME: capitalise. */ |
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if (NULL == (pp = mdoc_msec2a(meta->msec))) |
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pp = mdoc_msec2a(MSEC_local); |
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break; |
break; |
} |
} |
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} |
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vbuf[0] = 0; |
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if (pp) { |
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if (-1 == uname(&uts)) |
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err(1, "uname"); |
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(void)strlcat(vbuf, uts.sysname, p->rmargin); |
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(void)strlcat(vbuf, " ", p->rmargin); |
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} else if (NULL == (pp = mdoc_msec2a(meta->msec))) |
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pp = mdoc_msec2a(MSEC_local); |
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(void)strlcat(vbuf, pp, p->rmargin); |
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/* |
/* |
* The header is strange. It has three components, which are |
* The header is strange. It has three components, which are |
* really two with the first duplicated. It goes like this: |
* really two with the first duplicated. It goes like this: |
Line 706 header(struct termp *p, const struct mdoc_meta *meta) |
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Line 795 header(struct termp *p, const struct mdoc_meta *meta) |
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if (mdoc_arch2a(meta->arch)) |
if (mdoc_arch2a(meta->arch)) |
(void)snprintf(buf, p->rmargin, "%s (%s)", |
(void)snprintf(buf, p->rmargin, "%s (%s)", |
pp, mdoc_arch2a(meta->arch)); |
vbuf, mdoc_arch2a(meta->arch)); |
else |
else |
(void)strlcpy(buf, pp, p->rmargin); |
(void)strlcpy(buf, vbuf, p->rmargin); |
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pp = mdoc_msec2a(meta->msec); |
pp = mdoc_msec2a(meta->msec); |
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Line 745 header(struct termp *p, const struct mdoc_meta *meta) |
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Line 834 header(struct termp *p, const struct mdoc_meta *meta) |
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p->flags &= ~TERMP_NOSPACE; |
p->flags &= ~TERMP_NOSPACE; |
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free(title); |
free(title); |
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free(vbuf); |
free(buf); |
free(buf); |
} |
} |