From df1dddf9ffcfc1e291de809c0e8b9060bfea02ee Mon Sep 17 00:00:00 2001 From: Karel Zak Date: Thu, 7 Dec 2006 00:26:12 +0100 Subject: Imported from util-linux-2.12 tarball. --- text-utils/more.c | 99 ++++++++++++++++++++++++++++++++++--------------------- 1 file changed, 62 insertions(+), 37 deletions(-) (limited to 'text-utils/more.c') diff --git a/text-utils/more.c b/text-utils/more.c index 7d6de0057..f8fe34760 100644 --- a/text-utils/more.c +++ b/text-utils/more.c @@ -1099,11 +1099,11 @@ void erasep (register int col) ** Erase the current line entirely */ -void kill_line () +void kill_line() { - erasep (0); + erasep(0); if (!eraseln || dumb) - putchar ('\r'); + putchar('\r'); } /* @@ -1301,6 +1301,7 @@ int command (char *filename, register FILE *f) end_it (0); case 's': case 'f': + case ctrl('F'): if (nlines == 0) nlines++; if (comchar == 'f') nlines *= dlines; @@ -1387,40 +1388,46 @@ int command (char *filename, register FILE *f) case '?': case 'h': if (noscroll) doclear(); - xprintf(_("\nMost commands optionally preceded by integer argument" - " k. Defaults in brackets.\n" - "Star (*) indicates argument becomes new default.\n")); + xprintf(_("\n" +"Most commands optionally preceded by integer argument k. " +"Defaults in brackets.\n" +"Star (*) indicates argument becomes new default.\n")); xprintf("---------------------------------------" "----------------------------------------\n"); - xprintf(_("\t\t\t" - "Display next k lines of text [current screen size]\n" - "z\t\t\tDisplay next k lines of text [current screen size]*\n" - "\t\tDisplay next k lines of text [1]*\n" - "d or ctrl-D\t\t" - "Scroll k lines [current scroll size, initially 11]*\n" - "q or Q or \tExit from more\n" - "s\t\t\tSkip forward k lines of text [1]\n" - "f\t\t\tSkip forward k screenfuls of text [1]\n" - "b or ctrl-B\t\tSkip backwards k screenfuls of text [1]\n" - "'\t\t\tGo to place where previous search started\n" - "=\t\t\tDisplay current line number\n" - "/\t" - "Search for kth occurrence of regular expression [1]\n" - "n\t\t\tSearch for kth occurrence of last r.e [1]\n" - "! or :!\tExecute in a subshell\n" - "v\t\t\tStart up /usr/bin/vi at current line\n" - "ctrl-L\t\t\tRedraw screen\n" - ":n\t\t\tGo to kth next file [1]\n" - ":p\t\t\tGo to kth previous file [1]\n" - ":f\t\t\tDisplay current file name and line number\n" - ".\t\t\tRepeat previous command\n")); + xprintf(_( +" Display next k lines of text [current screen size]\n" +"z Display next k lines of text [current screen size]*\n" +" Display next k lines of text [1]*\n" +"d or ctrl-D Scroll k lines [current scroll size, initially 11]*\n" +"q or Q or Exit from more\n" +"s Skip forward k lines of text [1]\n" +"f Skip forward k screenfuls of text [1]\n" +"b or ctrl-B Skip backwards k screenfuls of text [1]\n" +"' Go to place where previous search started\n" +"= Display current line number\n" +"/ Search for kth occurrence of regular expression [1]\n" +"n Search for kth occurrence of last r.e [1]\n" +"! or :! Execute in a subshell\n" +"v Start up /usr/bin/vi at current line\n" +"ctrl-L Redraw screen\n" +":n Go to kth next file [1]\n" +":p Go to kth previous file [1]\n" +":f Display current file name and line number\n" +". Repeat previous command\n")); xprintf("---------------------------------------" "----------------------------------------\n"); prompt(filename); break; case 'v': /* This case should go right before default */ if (!no_intty) { - char *editor; + /* + * Earlier: call vi +n file. This also works for emacs. + * POSIX: call vi -c n file (when editor is vi or ex). + */ + char *editor, *p; + int n = (Currline - dlines <= 0 ? 1 : + Currline - (dlines + 1) / 2); + int split = 0; editor = getenv("VISUAL"); if (editor == NULL || *editor == '\0') @@ -1428,15 +1435,33 @@ int command (char *filename, register FILE *f) if (editor == NULL || *editor == '\0') editor = VI; - kill_line (); - cmdbuf[0] = '+'; - scanstr (Currline - dlines <= 0 ? 1 - : Currline - (dlines + 1) / 2, &cmdbuf[1]); - pr (editor); putchar (' '); - pr (cmdbuf); putchar (' '); pr (fnames[fnum]); - execute (filename, editor, editor, cmdbuf, fnames[fnum], 0); + p = strrchr(editor, '/'); + if (p) + p++; + else + p = editor; + if (!strcmp(p, "vi") || !strcmp(p, "ex")) { + strcpy(cmdbuf, "-c "); + scanstr(n, &cmdbuf[3]); + split = 1; + } else { + cmdbuf[0] = '+'; + scanstr(n, &cmdbuf[1]); + } + + kill_line(); + pr(editor); putchar(' '); + pr(cmdbuf); putchar(' '); pr(fnames[fnum]); + if (split) { + cmdbuf[2] = 0; + execute(filename, editor, editor, cmdbuf, + cmdbuf+3, fnames[fnum], (char *)0); + } else + execute(filename, editor, editor, + cmdbuf, fnames[fnum], (char *)0); break; } + /* fall through */ default: if (dum_opt) { kill_line (); @@ -1664,7 +1689,7 @@ void search(char buf[], FILE *file, register int n) } /*VARARGS2*/ -void execute (char * filename, char * cmd, ...) +void execute (char *filename, char *cmd, ...) { int id; int n; -- cgit v1.2.3-55-g7522