diff options
Diffstat (limited to 'contrib/less/optfunc.c')
| -rw-r--r-- | contrib/less/optfunc.c | 72 |
1 files changed, 69 insertions, 3 deletions
diff --git a/contrib/less/optfunc.c b/contrib/less/optfunc.c index 3f77a49..8cb9aa3 100644 --- a/contrib/less/optfunc.c +++ b/contrib/less/optfunc.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 1984-2005 Mark Nudelman + * Copyright (C) 1984-2007 Mark Nudelman * * You may distribute under the terms of either the GNU General Public * License or the Less License, as specified in the README file. @@ -37,7 +37,6 @@ extern int sc_height; extern int secure; extern int dohelp; extern int any_display; -extern int less_is_more; extern char openquote; extern char closequote; extern char *prproto[]; @@ -55,6 +54,8 @@ extern int logfile; public char *tagoption = NULL; extern char *tags; extern int jump_sline; +extern int jump_sline_fraction; +extern int less_is_more; #endif #if MSDOS_COMPILER extern int nm_fg_color, nm_bg_color; @@ -155,6 +156,71 @@ opt_l(type, s) } } +/* + * Handlers for -j option. + */ + public void +opt_j(type, s) + int type; + char *s; +{ + PARG parg; + char buf[16]; + int len; + int err; + + switch (type) + { + case INIT: + case TOGGLE: + if (*s == '.') + { + s++; + jump_sline_fraction = getfraction(&s, "j", &err); + if (err) + error("Invalid line fraction", NULL_PARG); + else + calc_jump_sline(); + } else + { + int sline = getnum(&s, "j", &err); + if (err) + error("Invalid line number", NULL_PARG); + else + { + jump_sline = sline; + jump_sline_fraction = -1; + } + } + break; + case QUERY: + if (jump_sline_fraction < 0) + { + parg.p_int = jump_sline; + error("Position target at screen line %d", &parg); + } else + { + + sprintf(buf, ".%06d", jump_sline_fraction); + len = strlen(buf); + while (len > 2 && buf[len-1] == '0') + len--; + buf[len] = '\0'; + parg.p_string = buf; + error("Position target at screen position %s", &parg); + } + break; + } +} + + public void +calc_jump_sline() +{ + if (jump_sline_fraction < 0) + return; + jump_sline = sc_height * jump_sline_fraction / NUM_FRAC_DENOM; +} + #if USERFILE public void opt_k(type, s) @@ -267,7 +333,7 @@ opt_p(type, s) * In "more" mode, the -p argument is a command, * not a search string, so we don't need a slash. */ - if (!less_is_more); + if (!less_is_more) ungetsc("/"); break; } |
