Author: gahr (ports committer) Date: Mon Jul 11 08:05:46 2016 New Revision: 302558 URL: https://svnweb.freebsd.org/changeset/base/302558
Log: Do not truncate lines longer than 512 chars. PR: 210344 MFC after: 1 week Differential Revision: https://reviews.freebsd.org/D6881 Modified: head/usr.bin/ul/ul.c Modified: head/usr.bin/ul/ul.c ============================================================================== --- head/usr.bin/ul/ul.c Mon Jul 11 07:54:58 2016 (r302557) +++ head/usr.bin/ul/ul.c Mon Jul 11 08:05:46 2016 (r302558) @@ -78,7 +78,9 @@ struct CHAR { int c_width; /* width or -1 if multi-column char. filler */ } ; -static struct CHAR obuf[MAXBUF]; +static struct CHAR sobuf[MAXBUF]; /* static output buffer */ +static struct CHAR *obuf = sobuf; +static int buflen = MAXBUF; static int col, maxcol; static int mode; static int halfpos; @@ -151,6 +153,9 @@ main(int argc, char **argv) else filter(f); } + if (obuf != sobuf) { + free(obuf); + } exit(0); } @@ -166,128 +171,148 @@ filter(FILE *f) { wint_t c; int i, w; + int copy; + + copy = 0; + + while ((c = getwc(f)) != WEOF) { + if (col == buflen) { + if (obuf == sobuf) { + obuf = NULL; + copy = 1; + } + obuf = realloc(obuf, sizeof(*obuf) * 2 * buflen); + if (obuf == NULL) { + obuf = sobuf; + break; + } else if (copy) { + memcpy(obuf, sobuf, sizeof(*obuf) * buflen); + copy = 0; + } + bzero((char *)(obuf + buflen), sizeof(*obuf) * buflen); + buflen *= 2; + } + switch(c) { + case '\b': + if (col > 0) + col--; + continue; - while ((c = getwc(f)) != WEOF && col < MAXBUF) switch(c) { + case '\t': + col = (col+8) & ~07; + if (col > maxcol) + maxcol = col; + continue; - case '\b': - if (col > 0) - col--; - continue; - - case '\t': - col = (col+8) & ~07; - if (col > maxcol) - maxcol = col; - continue; - - case '\r': - col = 0; - continue; - - case SO: - mode |= ALTSET; - continue; - - case SI: - mode &= ~ALTSET; - continue; - - case IESC: - switch (c = getwc(f)) { - - case HREV: - if (halfpos == 0) { - mode |= SUPERSC; - halfpos--; - } else if (halfpos > 0) { - mode &= ~SUBSC; - halfpos--; - } else { - halfpos = 0; - reverse(); - } + case '\r': + col = 0; continue; - case HFWD: - if (halfpos == 0) { - mode |= SUBSC; - halfpos++; - } else if (halfpos < 0) { - mode &= ~SUPERSC; - halfpos++; - } else { - halfpos = 0; - fwd(); - } + case SO: + mode |= ALTSET; continue; - case FREV: - reverse(); + case SI: + mode &= ~ALTSET; continue; - default: - errx(1, "unknown escape sequence in input: %o, %o", IESC, c); - } - continue; + case IESC: + switch (c = getwc(f)) { - case '_': - if (obuf[col].c_char || obuf[col].c_width < 0) { - while (col > 0 && obuf[col].c_width < 0) - col--; - w = obuf[col].c_width; - for (i = 0; i < w; i++) - obuf[col++].c_mode |= UNDERL | mode; + case HREV: + if (halfpos == 0) { + mode |= SUPERSC; + halfpos--; + } else if (halfpos > 0) { + mode &= ~SUBSC; + halfpos--; + } else { + halfpos = 0; + reverse(); + } + continue; + + case HFWD: + if (halfpos == 0) { + mode |= SUBSC; + halfpos++; + } else if (halfpos < 0) { + mode &= ~SUPERSC; + halfpos++; + } else { + halfpos = 0; + fwd(); + } + continue; + + case FREV: + reverse(); + continue; + + default: + errx(1, "unknown escape sequence in input: %o, %o", IESC, c); + } + continue; + + case '_': + if (obuf[col].c_char || obuf[col].c_width < 0) { + while (col > 0 && obuf[col].c_width < 0) + col--; + w = obuf[col].c_width; + for (i = 0; i < w; i++) + obuf[col++].c_mode |= UNDERL | mode; + if (col > maxcol) + maxcol = col; + continue; + } + obuf[col].c_char = '_'; + obuf[col].c_width = 1; + /* FALLTHROUGH */ + case ' ': + col++; if (col > maxcol) maxcol = col; continue; - } - obuf[col].c_char = '_'; - obuf[col].c_width = 1; - /* FALLTHROUGH */ - case ' ': - col++; - if (col > maxcol) - maxcol = col; - continue; - case '\n': - flushln(); - continue; + case '\n': + flushln(); + continue; - case '\f': - flushln(); - putwchar('\f'); - continue; + case '\f': + flushln(); + putwchar('\f'); + continue; - default: - if ((w = wcwidth(c)) <= 0) /* non printing */ + default: + if ((w = wcwidth(c)) <= 0) /* non printing */ + continue; + if (obuf[col].c_char == '\0') { + obuf[col].c_char = c; + for (i = 0; i < w; i++) + obuf[col + i].c_mode = mode; + obuf[col].c_width = w; + for (i = 1; i < w; i++) + obuf[col + i].c_width = -1; + } else if (obuf[col].c_char == '_') { + obuf[col].c_char = c; + for (i = 0; i < w; i++) + obuf[col + i].c_mode |= UNDERL|mode; + obuf[col].c_width = w; + for (i = 1; i < w; i++) + obuf[col + i].c_width = -1; + } else if ((wint_t)obuf[col].c_char == c) { + for (i = 0; i < w; i++) + obuf[col + i].c_mode |= BOLD|mode; + } else { + w = obuf[col].c_width; + for (i = 0; i < w; i++) + obuf[col + i].c_mode = mode; + } + col += w; + if (col > maxcol) + maxcol = col; continue; - if (obuf[col].c_char == '\0') { - obuf[col].c_char = c; - for (i = 0; i < w; i++) - obuf[col + i].c_mode = mode; - obuf[col].c_width = w; - for (i = 1; i < w; i++) - obuf[col + i].c_width = -1; - } else if (obuf[col].c_char == '_') { - obuf[col].c_char = c; - for (i = 0; i < w; i++) - obuf[col + i].c_mode |= UNDERL|mode; - obuf[col].c_width = w; - for (i = 1; i < w; i++) - obuf[col + i].c_width = -1; - } else if ((wint_t)obuf[col].c_char == c) { - for (i = 0; i < w; i++) - obuf[col + i].c_mode |= BOLD|mode; - } else { - w = obuf[col].c_width; - for (i = 0; i < w; i++) - obuf[col + i].c_mode = mode; } - col += w; - if (col > maxcol) - maxcol = col; - continue; } if (ferror(f)) err(1, NULL); @@ -405,7 +430,7 @@ static void initbuf(void) { - bzero((char *)obuf, sizeof (obuf)); /* depends on NORMAL == 0 */ + bzero((char *)obuf, buflen * sizeof(*obuf)); /* depends on NORMAL == 0 */ col = 0; maxcol = 0; mode &= ALTSET; _______________________________________________ svn-src-head@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
