+ Sync with NetBSD, bringing in feature enhancements.

+ Convert to ANSI-C function definitions
+ style(9)

Submitted by:	kris

1 files changed, 158 insertions, 151 deletions

diff --git a/lib/libedit/parse.c b/lib/libedit/parse.c
index 9cfd818..e96743f 100644
--- a/lib/libedit/parse.c
+++ b/lib/libedit/parse.c
@@ -32,6 +32,8 @@
  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
+ *
+ *	$NetBSD: parse.c,v 1.13 2000/09/04 22:06:31 lukem Exp $
  */
 
 #include <sys/cdefs.h>
@@ -39,6 +41,8 @@ __FBSDID("$FreeBSD$");
 #if !defined(lint) && !defined(SCCSID)
 static char sccsid[] = "@(#)parse.c	8.1 (Berkeley) 6/4/93";
 #endif /* not lint && not SCCSID */
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
 
 /*
  * parse.c: parse an editline extended command
@@ -47,7 +51,7 @@ static char sccsid[] = "@(#)parse.c	8.1 (Berkeley) 6/4/93";
  *
  *	bind
  *	echotc
- *	settc
+ *	edit
  *	gettc
  *	history
  *	settc
@@ -56,18 +60,20 @@ static char sccsid[] = "@(#)parse.c	8.1 (Berkeley) 6/4/93";
 #include "sys.h"
 #include "el.h"
 #include "tokenizer.h"
+#include <stdlib.h>
 
-private struct {
-    char *name;
-    int (*func) __P((EditLine *, int, char **));
+private const struct {
+	char *name;
+	int (*func)(EditLine *, int, char **);
 } cmds[] = {
-    {	"bind",		map_bind 	},
-    {	"echotc",	term_echotc 	},
-    {	"history",	hist_list	},
-    {	"telltc",	term_telltc 	},
-    {	"settc",	term_settc	},
-    {	"setty",	tty_stty	},
-    {	NULL,		NULL		}
+	{ "bind",	map_bind	},
+	{ "echotc",	term_echotc	},
+	{ "edit",	el_editmode	},
+	{ "history",	hist_list	},
+	{ "telltc",	term_telltc	},
+	{ "settc",	term_settc	},
+	{ "setty",	tty_stty	},
+	{ NULL,		NULL		}
 };
 
 
@@ -75,51 +81,58 @@ private struct {
  *	Parse a line and dispatch it
  */
 protected int
-parse_line(el, line)
-    EditLine *el;
-    const char *line;
+parse_line(EditLine *el, const char *line)
 {
-    char **argv;
-    int argc;
-    Tokenizer *tok;
-
-    tok = tok_init(NULL);
-    tok_line(tok, line, &argc, &argv);
-    argc = el_parse(el, argc, argv);
-    tok_end(tok);
-    return argc;
+	char **argv;
+	int argc;
+	Tokenizer *tok;
+
+	tok = tok_init(NULL);
+	tok_line(tok, line, &argc, &argv);
+	argc = el_parse(el, argc, argv);
+	tok_end(tok);
+	return (argc);
 }
 
+
 /* el_parse():
  *	Command dispatcher
  */
 public int
-el_parse(el, argc, argv)
-    EditLine *el;
-    int argc;
-    char *argv[];
+el_parse(EditLine *el, int argc, char *argv[])
 {
-    char *ptr;
-    int i;
-
-    if (argc < 1)
-	return -1;
-    ptr = strchr(argv[0], ':');
-    if (ptr != NULL) {
-	*ptr++ = '\0';
-	if (! el_match(el->el_prog, argv[0]))
-	    return 0;
-    }
-    else
-	ptr = argv[0];
-
-    for (i = 0; cmds[i].name != NULL; i++)
-	if (strcmp(cmds[i].name, ptr) == 0) {
-	    i = (*cmds[i].func)(el, argc, argv);
-	    return -i;
-	}
-
-    return -1;
+	char *ptr;
+	int i;
+
+	if (argc < 1)
+		return (-1);
+	ptr = strchr(argv[0], ':');
+	if (ptr != NULL) {
+		char *tprog;
+		size_t l;
+
+		if (ptr == argv[0])
+			return (0);
+		l = ptr - argv[0] - 1;
+		tprog = (char *) el_malloc(l + 1);
+		if (tprog == NULL)
+			return (0);
+		(void) strncpy(tprog, argv[0], l);
+		tprog[l] = '\0';
+		ptr++;
+		l = el_match(el->el_prog, tprog);
+		el_free(tprog);
+		if (!l)
+			return (0);
+	} else
+		ptr = argv[0];
+
+	for (i = 0; cmds[i].name != NULL; i++)
+		if (strcmp(cmds[i].name, ptr) == 0) {
+			i = (*cmds[i].func) (el, argc, argv);
+			return (-i);
+		}
+	return (-1);
 }
 
 
@@ -128,125 +141,119 @@ el_parse(el, argc, argv)
  *	the appropriate character or -1 if the escape is not valid
  */
 protected int
-parse__escape(ptr)
-    const char  ** const ptr;
+parse__escape(const char **const ptr)
 {
-    const char   *p;
-    int   c;
-
-    p = *ptr;
-
-    if (p[1] == 0)
-	return -1;
-
-    if (*p == '\\') {
-	p++;
-	switch (*p) {
-	case 'a':
-	    c = '\007';		/* Bell */
-	    break;
-	case 'b':
-	    c = '\010';		/* Backspace */
-	    break;
-	case 't':
-	    c = '\011';		/* Horizontal Tab */
-	    break;
-	case 'n':
-	    c = '\012';		/* New Line */
-	    break;
-	case 'v':
-	    c = '\013';		/* Vertical Tab */
-	    break;
-	case 'f':
-	    c = '\014';		/* Form Feed */
-	    break;
-	case 'r':
-	    c = '\015';		/* Carriage Return */
-	    break;
-	case 'e':
-	    c = '\033';		/* Escape */
-	    break;
-	case '0':
-	case '1':
-	case '2':
-	case '3':
-	case '4':
-	case '5':
-	case '6':
-	case '7':
-	    {
-		int cnt, ch;
-
-		for (cnt = 0, c = 0; cnt < 3; cnt++) {
-		    ch = *p++;
-		    if (ch < '0' || ch > '7') {
-			p--;
+	const char *p;
+	int c;
+
+	p = *ptr;
+
+	if (p[1] == 0)
+		return (-1);
+
+	if (*p == '\\') {
+		p++;
+		switch (*p) {
+		case 'a':
+			c = '\007';	/* Bell */
+			break;
+		case 'b':
+			c = '\010';	/* Backspace */
+			break;
+		case 't':
+			c = '\011';	/* Horizontal Tab */
+			break;
+		case 'n':
+			c = '\012';	/* New Line */
+			break;
+		case 'v':
+			c = '\013';	/* Vertical Tab */
+			break;
+		case 'f':
+			c = '\014';	/* Form Feed */
+			break;
+		case 'r':
+			c = '\015';	/* Carriage Return */
+			break;
+		case 'e':
+			c = '\033';	/* Escape */
+			break;
+		case '0':
+		case '1':
+		case '2':
+		case '3':
+		case '4':
+		case '5':
+		case '6':
+		case '7':
+		{
+			int cnt, ch;
+
+			for (cnt = 0, c = 0; cnt < 3; cnt++) {
+				ch = *p++;
+				if (ch < '0' || ch > '7') {
+					p--;
+					break;
+				}
+				c = (c << 3) | (ch - '0');
+			}
+			if ((c & 0xffffff00) != 0)
+				return (-1);
+			--p;
+			break;
+		}
+		default:
+			c = *p;
 			break;
-		    }
-		    c = (c << 3) | (ch - '0');
 		}
-		if ((c & 0xffffff00) != 0)
-		    return -1;
-		--p;
-	    }
-	    break;
-	default:
-	    c = *p;
-	    break;
-	}
-    }
-    else if (*p == '^' && isascii(p[1]) && (p[1] == '?' || isalpha(p[1]))) {
-	p++;
-	c = (*p == '?') ? '\177' : (*p & 0237);
-    }
-    else
-	c = *p;
-    *ptr = ++p;
-    return (unsigned char)c;
+	} else if (*p == '^' && isascii(p[1]) && (p[1] == '?' || isalpha(p[1])))  {
+		p++;
+		c = (*p == '?') ? '\177' : (*p & 0237);
+	} else
+		c = *p;
+	*ptr = ++p;
+	return ((unsigned char)c);
 }
-
 /* parse__string():
  *	Parse the escapes from in and put the raw string out
  */
 protected char *
-parse__string(out, in)
-    char *out;
-    const char *in;
+parse__string(char *out, const char *in)
 {
-    char *rv = out;
-    int n;
-    for (;;)
-	switch (*in) {
-	case '\0':
-	    *out = '\0';
-	    return rv;
-
-	case '\\':
-	case '^':
-	    if ((n = parse__escape(&in)) == -1)
-		return NULL;
-	    *out++ = n;
-	    break;
-
-	default:
-	    *out++ = *in++;
-	    break;
-	}
+	char *rv = out;
+	int n;
+
+	for (;;)
+		switch (*in) {
+		case '\0':
+			*out = '\0';
+			return (rv);
+
+		case '\\':
+		case '^':
+			if ((n = parse__escape(&in)) == -1)
+				return (NULL);
+			*out++ = n;
+			break;
+
+		default:
+			*out++ = *in++;
+			break;
+		}
 }
 
+
 /* parse_cmd():
  *	Return the command number for the command string given
  *	or -1 if one is not found
  */
 protected int
-parse_cmd(el, cmd)
-    EditLine *el;
-    const char *cmd;
+parse_cmd(EditLine *el, const char *cmd)
 {
-    el_bindings_t *b;
+	el_bindings_t *b;
 
-    for (b = el->el_map.help; b->name != NULL; b++)
-	if (strcmp(b->name, cmd) == 0)
-	    return b->func;
-    return -1;
+	for (b = el->el_map.help; b->name != NULL; b++)
+		if (strcmp(b->name, cmd) == 0)
+			return (b->func);
+	return (-1);
 }