[Glibc-bsd-commits] r5256 - in trunk/freebsd-glue: debian src/freebsd-glue

rmh at alioth.debian.org rmh at alioth.debian.org
Wed Dec 25 11:43:48 UTC 2013


Author: rmh
Date: 2013-12-25 11:43:47 +0000 (Wed, 25 Dec 2013)
New Revision: 5256

Modified:
   trunk/freebsd-glue/debian/changelog
   trunk/freebsd-glue/src/freebsd-glue/Makefile
   trunk/freebsd-glue/src/freebsd-glue/getcap.c
Log:
Convert cget* family of functions into dummy stubs. This gets rid of -ldb dependency, which isn't permissible outside of /usr. (Closes: #732617)

Modified: trunk/freebsd-glue/debian/changelog
===================================================================
--- trunk/freebsd-glue/debian/changelog	2013-12-24 13:16:49 UTC (rev 5255)
+++ trunk/freebsd-glue/debian/changelog	2013-12-25 11:43:47 UTC (rev 5256)
@@ -5,8 +5,11 @@
     its own object directory.
   * Provide bsd_sendfile() syscall stub, and map sendfile() to it in
     <sys/socket.h>.
+  * Convert cget* family of functions into dummy stubs. This gets rid of
+    -ldb dependency, which isn't permissible outside of /usr.
+    (Closes: #732617)
 
- -- Robert Millan <rmh at debian.org>  Thu, 05 Dec 2013 20:26:27 +0100
+ -- Robert Millan <rmh at debian.org>  Wed, 25 Dec 2013 12:43:23 +0100
 
 freebsd-glue (0.2.5) unstable; urgency=low
 

Modified: trunk/freebsd-glue/src/freebsd-glue/Makefile
===================================================================
--- trunk/freebsd-glue/src/freebsd-glue/Makefile	2013-12-24 13:16:49 UTC (rev 5255)
+++ trunk/freebsd-glue/src/freebsd-glue/Makefile	2013-12-25 11:43:47 UTC (rev 5256)
@@ -4,6 +4,7 @@
 	feature_present.c \
 	fstab.c \
 	funopen.c \
+	getcap.c \
 	getosreldate.c \
 	random.c \
 	strnstr.c \
@@ -11,11 +12,6 @@
 
 LDADD=	-lbsd
 
-.if !defined(RESCUE)
-SRCS+=	getcap.c
-LDADD+= -ldb
-.endif
-
 SYS!=	dpkg-architecture -qDEB_HOST_GNU_SYSTEM
 
 .if ${SYS} == "kfreebsd-gnu"

Modified: trunk/freebsd-glue/src/freebsd-glue/getcap.c
===================================================================
--- trunk/freebsd-glue/src/freebsd-glue/getcap.c	2013-12-24 13:16:49 UTC (rev 5255)
+++ trunk/freebsd-glue/src/freebsd-glue/getcap.c	2013-12-25 11:43:47 UTC (rev 5256)
@@ -49,8 +49,6 @@
 #include <unistd.h>
 #include "un-namespace.h"
 
-#include <db.h>
-
 #define	BFRAG		1024
 #define	BSIZE		1024
 #define	ESC		('[' & 037)	/* ASCII ESC */
@@ -61,14 +59,6 @@
 #define TCERR	(char)1
 #define	SHADOW	(char)2
 
-static size_t	 topreclen;	/* toprec length */
-static char	*toprec;	/* Additional record specified by cgetset() */
-static int	 gottoprec;	/* Flag indicating retrieval of toprecord */
-
-static int	cdbget(DB *, char **, const char *);
-static int 	getent(char **, u_int *, char **, int, const char *, int, char *);
-static int	nfcmp(char *, char *);
-
 /*
  * Cgetset() allows the addition of a user specified buffer to be added
  * to the database array, in effect "pushing" the buffer on top of the
@@ -77,21 +67,8 @@
 int
 cgetset(const char *ent)
 {
-	if (ent == NULL) {
-		if (toprec)
-			free(toprec);
-                toprec = NULL;
-                topreclen = 0;
-                return (0);
-        }
-        topreclen = strlen(ent);
-        if ((toprec = malloc (topreclen + 1)) == NULL) {
-		errno = ENOMEM;
-                return (-1);
-	}
-	gottoprec = 0;
-        (void)strcpy(toprec, ent);
-        return (0);
+	errno = ENOSYS;
+	return -1;
 }
 
 /*
@@ -109,43 +86,8 @@
 char *
 cgetcap(char *buf, const char *cap, int type)
 {
-	char *bp;
-	const char *cp;
-
-	bp = buf;
-	for (;;) {
-		/*
-		 * Skip past the current capability field - it's either the
-		 * name field if this is the first time through the loop, or
-		 * the remainder of a field whose name failed to match cap.
-		 */
-		for (;;)
-			if (*bp == '\0')
-				return (NULL);
-			else
-				if (*bp++ == ':')
-					break;
-
-		/*
-		 * Try to match (cap, type) in buf.
-		 */
-		for (cp = cap; *cp == *bp && *bp != '\0'; cp++, bp++)
-			continue;
-		if (*cp != '\0')
-			continue;
-		if (*bp == '@')
-			return (NULL);
-		if (type == ':') {
-			if (*bp != '\0' && *bp != ':')
-				continue;
-			return(bp);
-		}
-		if (*bp != type)
-			continue;
-		bp++;
-		return (*bp == '@' ? NULL : bp);
-	}
-	/* NOTREACHED */
+	errno = ENOSYS;
+	return NULL;
 }
 
 /*
@@ -160,481 +102,30 @@
 int
 cgetent(char **buf, char **db_array, const char *name)
 {
-	u_int dummy;
-
-	return (getent(buf, &dummy, db_array, -1, name, 0, NULL));
+	errno = ENOSYS;
+	return -2;
 }
 
 /*
- * Getent implements the functions of cgetent.  If fd is non-negative,
- * *db_array has already been opened and fd is the open file descriptor.  We
- * do this to save time and avoid using up file descriptors for tc=
- * recursions.
- *
- * Getent returns the same success/failure codes as cgetent.  On success, a
- * pointer to a malloc'ed capability record with all tc= capabilities fully
- * expanded and its length (not including trailing ASCII NUL) are left in
- * *cap and *len.
- *
- * Basic algorithm:
- *	+ Allocate memory incrementally as needed in chunks of size BFRAG
- *	  for capability buffer.
- *	+ Recurse for each tc=name and interpolate result.  Stop when all
- *	  names interpolated, a name can't be found, or depth exceeds
- *	  MAX_RECURSION.
- */
-static int
-getent(char **cap, u_int *len, char **db_array, int fd, const char *name,
-    int depth, char *nfield)
-{
-	DB *capdbp;
-	char *r_end, *rp, **db_p;
-	int myfd, eof, foundit, retval;
-	char *record, *cbuf;
-	int tc_not_resolved;
-	char pbuf[_POSIX_PATH_MAX];
-
-	/*
-	 * Return with ``loop detected'' error if we've recursed more than
-	 * MAX_RECURSION times.
-	 */
-	if (depth > MAX_RECURSION)
-		return (-3);
-
-	/*
-	 * Check if we have a top record from cgetset().
-         */
-	if (depth == 0 && toprec != NULL && cgetmatch(toprec, name) == 0) {
-		if ((record = malloc (topreclen + BFRAG)) == NULL) {
-			errno = ENOMEM;
-			return (-2);
-		}
-		(void)strcpy(record, toprec);
-		myfd = 0;
-		db_p = db_array;
-		rp = record + topreclen + 1;
-		r_end = rp + BFRAG;
-		goto tc_exp;
-	}
-	/*
-	 * Allocate first chunk of memory.
-	 */
-	if ((record = malloc(BFRAG)) == NULL) {
-		errno = ENOMEM;
-		return (-2);
-	}
-	r_end = record + BFRAG;
-	foundit = 0;
-	/*
-	 * Loop through database array until finding the record.
-	 */
-
-	for (db_p = db_array; *db_p != NULL; db_p++) {
-		eof = 0;
-
-		/*
-		 * Open database if not already open.
-		 */
-
-		if (fd >= 0) {
-			(void)lseek(fd, (off_t)0, SEEK_SET);
-			myfd = 0;
-		} else {
-			(void)snprintf(pbuf, sizeof(pbuf), "%s.db", *db_p);
-			if ((capdbp = dbopen(pbuf, O_RDONLY, 0, DB_HASH, 0))
-			     != NULL) {
-				free(record);
-				retval = cdbget(capdbp, &record, name);
-				if (retval < 0) {
-					/* no record available */
-					(void)capdbp->close(capdbp);
-					return (retval);
-				}
-				/* save the data; close frees it */
-				cbuf = strdup(record);
-				if (capdbp->close(capdbp) < 0) {
-					free(cbuf);
-					return (-2);
-				}
-				if (cbuf == NULL) {
-					errno = ENOMEM;
-					return (-2);
-				}
-				*len = strlen(cbuf);
-				*cap = cbuf;
-				return (retval);
-			} else {
-				fd = _open(*db_p, O_RDONLY | O_CLOEXEC, 0);
-				if (fd < 0)
-					continue;
-				myfd = 1;
-			}
-		}
-		/*
-		 * Find the requested capability record ...
-		 */
-		{
-		char buf[BUFSIZ];
-		char *b_end, *bp;
-		int c;
-
-		/*
-		 * Loop invariants:
-		 *	There is always room for one more character in record.
-		 *	R_end always points just past end of record.
-		 *	Rp always points just past last character in record.
-		 *	B_end always points just past last character in buf.
-		 *	Bp always points at next character in buf.
-		 */
-		b_end = buf;
-		bp = buf;
-		for (;;) {
-
-			/*
-			 * Read in a line implementing (\, newline)
-			 * line continuation.
-			 */
-			rp = record;
-			for (;;) {
-				if (bp >= b_end) {
-					int n;
-
-					n = _read(fd, buf, sizeof(buf));
-					if (n <= 0) {
-						if (myfd)
-							(void)_close(fd);
-						if (n < 0) {
-							free(record);
-							return (-2);
-						} else {
-							fd = -1;
-							eof = 1;
-							break;
-						}
-					}
-					b_end = buf+n;
-					bp = buf;
-				}
-
-				c = *bp++;
-				if (c == '\n') {
-					if (rp > record && *(rp-1) == '\\') {
-						rp--;
-						continue;
-					} else
-						break;
-				}
-				*rp++ = c;
-
-				/*
-				 * Enforce loop invariant: if no room
-				 * left in record buffer, try to get
-				 * some more.
-				 */
-				if (rp >= r_end) {
-					u_int pos;
-					size_t newsize;
-
-					pos = rp - record;
-					newsize = r_end - record + BFRAG;
-					record = reallocf(record, newsize);
-					if (record == NULL) {
-						errno = ENOMEM;
-						if (myfd)
-							(void)_close(fd);
-						return (-2);
-					}
-					r_end = record + newsize;
-					rp = record + pos;
-				}
-			}
-				/* loop invariant let's us do this */
-			*rp++ = '\0';
-
-			/*
-			 * If encountered eof check next file.
-			 */
-			if (eof)
-				break;
-
-			/*
-			 * Toss blank lines and comments.
-			 */
-			if (*record == '\0' || *record == '#')
-				continue;
-
-			/*
-			 * See if this is the record we want ...
-			 */
-			if (cgetmatch(record, name) == 0) {
-				if (nfield == NULL || !nfcmp(nfield, record)) {
-					foundit = 1;
-					break;	/* found it! */
-				}
-			}
-		}
-	}
-		if (foundit)
-			break;
-	}
-
-	if (!foundit) {
-		free(record);
-		return (-1);
-	}
-
-	/*
-	 * Got the capability record, but now we have to expand all tc=name
-	 * references in it ...
-	 */
-tc_exp:	{
-		char *newicap, *s;
-		int newilen;
-		u_int ilen;
-		int diff, iret, tclen;
-		char *icap, *scan, *tc, *tcstart, *tcend;
-
-		/*
-		 * Loop invariants:
-		 *	There is room for one more character in record.
-		 *	R_end points just past end of record.
-		 *	Rp points just past last character in record.
-		 *	Scan points at remainder of record that needs to be
-		 *	scanned for tc=name constructs.
-		 */
-		scan = record;
-		tc_not_resolved = 0;
-		for (;;) {
-			if ((tc = cgetcap(scan, "tc", '=')) == NULL)
-				break;
-
-			/*
-			 * Find end of tc=name and stomp on the trailing `:'
-			 * (if present) so we can use it to call ourselves.
-			 */
-			s = tc;
-			for (;;)
-				if (*s == '\0')
-					break;
-				else
-					if (*s++ == ':') {
-						*(s - 1) = '\0';
-						break;
-					}
-			tcstart = tc - 3;
-			tclen = s - tcstart;
-			tcend = s;
-
-			iret = getent(&icap, &ilen, db_p, fd, tc, depth+1,
-				      NULL);
-			newicap = icap;		/* Put into a register. */
-			newilen = ilen;
-			if (iret != 0) {
-				/* an error */
-				if (iret < -1) {
-					if (myfd)
-						(void)_close(fd);
-					free(record);
-					return (iret);
-				}
-				if (iret == 1)
-					tc_not_resolved = 1;
-				/* couldn't resolve tc */
-				if (iret == -1) {
-					*(s - 1) = ':';
-					scan = s - 1;
-					tc_not_resolved = 1;
-					continue;
-
-				}
-			}
-			/* not interested in name field of tc'ed record */
-			s = newicap;
-			for (;;)
-				if (*s == '\0')
-					break;
-				else
-					if (*s++ == ':')
-						break;
-			newilen -= s - newicap;
-			newicap = s;
-
-			/* make sure interpolated record is `:'-terminated */
-			s += newilen;
-			if (*(s-1) != ':') {
-				*s = ':';	/* overwrite NUL with : */
-				newilen++;
-			}
-
-			/*
-			 * Make sure there's enough room to insert the
-			 * new record.
-			 */
-			diff = newilen - tclen;
-			if (diff >= r_end - rp) {
-				u_int pos, tcpos, tcposend;
-				size_t newsize;
-
-				pos = rp - record;
-				newsize = r_end - record + diff + BFRAG;
-				tcpos = tcstart - record;
-				tcposend = tcend - record;
-				record = reallocf(record, newsize);
-				if (record == NULL) {
-					errno = ENOMEM;
-					if (myfd)
-						(void)_close(fd);
-					free(icap);
-					return (-2);
-				}
-				r_end = record + newsize;
-				rp = record + pos;
-				tcstart = record + tcpos;
-				tcend = record + tcposend;
-			}
-
-			/*
-			 * Insert tc'ed record into our record.
-			 */
-			s = tcstart + newilen;
-			bcopy(tcend, s, rp - tcend);
-			bcopy(newicap, tcstart, newilen);
-			rp += diff;
-			free(icap);
-
-			/*
-			 * Start scan on `:' so next cgetcap works properly
-			 * (cgetcap always skips first field).
-			 */
-			scan = s-1;
-		}
-
-	}
-	/*
-	 * Close file (if we opened it), give back any extra memory, and
-	 * return capability, length and success.
-	 */
-	if (myfd)
-		(void)_close(fd);
-	*len = rp - record - 1;	/* don't count NUL */
-	if (r_end > rp)
-		if ((record =
-		     reallocf(record, (size_t)(rp - record))) == NULL) {
-			errno = ENOMEM;
-			return (-2);
-		}
-
-	*cap = record;
-	if (tc_not_resolved)
-		return (1);
-	return (0);
-}
-
-static int
-cdbget(DB *capdbp, char **bp, const char *name)
-{
-	DBT key, data;
-	char *namebuf;
-
-	namebuf = strdup(name);
-	if (namebuf == NULL)
-		return (-2);
-	key.data = namebuf;
-	key.size = strlen(namebuf);
-
-	for (;;) {
-		/* Get the reference. */
-		switch(capdbp->get(capdbp, &key, &data, 0)) {
-		case -1:
-			free(namebuf);
-			return (-2);
-		case 1:
-			free(namebuf);
-			return (-1);
-		}
-
-		/* If not an index to another record, leave. */
-		if (((char *)data.data)[0] != SHADOW)
-			break;
-
-		key.data = (char *)data.data + 1;
-		key.size = data.size - 1;
-	}
-
-	*bp = (char *)data.data + 1;
-	free(namebuf);
-	return (((char *)(data.data))[0] == TCERR ? 1 : 0);
-}
-
-/*
  * Cgetmatch will return 0 if name is one of the names of the capability
  * record buf, -1 if not.
  */
 int
 cgetmatch(const char *buf, const char *name)
 {
-	const char *np, *bp;
-
-	if (name == NULL || *name == '\0')
-		return -1;
-
-	/*
-	 * Start search at beginning of record.
-	 */
-	bp = buf;
-	for (;;) {
-		/*
-		 * Try to match a record name.
-		 */
-		np = name;
-		for (;;)
-			if (*np == '\0')
-				if (*bp == '|' || *bp == ':' || *bp == '\0')
-					return (0);
-				else
-					break;
-			else
-				if (*bp++ != *np++)
-					break;
-
-		/*
-		 * Match failed, skip to next name in record.
-		 */
-		bp--;	/* a '|' or ':' may have stopped the match */
-		for (;;)
-			if (*bp == '\0' || *bp == ':')
-				return (-1);	/* match failed totally */
-			else
-				if (*bp++ == '|')
-					break;	/* found next name */
-	}
+	return -1;
 }
 
-
-
-
-
 int
 cgetfirst(char **buf, char **db_array)
 {
-	(void)cgetclose();
-	return (cgetnext(buf, db_array));
+	errno = ENOSYS;
+	return (-1);
 }
 
-static FILE *pfp;
-static int slash;
-static char **dbp;
-
 int
 cgetclose(void)
 {
-	if (pfp != NULL) {
-		(void)fclose(pfp);
-		pfp = NULL;
-	}
-	dbp = NULL;
-	gottoprec = 0;
-	slash = 0;
 	return(0);
 }
 
@@ -646,129 +137,8 @@
 int
 cgetnext(char **bp, char **db_array)
 {
-	size_t len;
-	int done, hadreaderr, savederrno, status;
-	char *cp, *line, *rp, *np, buf[BSIZE], nbuf[BSIZE];
-	u_int dummy;
-
-	if (dbp == NULL)
-		dbp = db_array;
-
-	if (pfp == NULL && (pfp = fopen(*dbp, "re")) == NULL) {
-		(void)cgetclose();
-		return (-1);
-	}
-	for (;;) {
-		if (toprec && !gottoprec) {
-			gottoprec = 1;
-			line = toprec;
-		} else {
-			line = fgetln(pfp, &len);
-			if (line == NULL && pfp) {
-				hadreaderr = ferror(pfp);
-				if (hadreaderr)
-					savederrno = errno;
-				fclose(pfp);
-				pfp = NULL;
-				if (hadreaderr) {
-					cgetclose();
-					errno = savederrno;
-					return (-1);
-				} else {
-					if (*++dbp == NULL) {
-						(void)cgetclose();
-						return (0);
-					} else if ((pfp =
-					    fopen(*dbp, "re")) == NULL) {
-						(void)cgetclose();
-						return (-1);
-					} else
-						continue;
-				}
-			} else
-				line[len - 1] = '\0';
-			if (len == 1) {
-				slash = 0;
-				continue;
-			}
-			if (isspace((unsigned char)*line) ||
-			    *line == ':' || *line == '#' || slash) {
-				if (line[len - 2] == '\\')
-					slash = 1;
-				else
-					slash = 0;
-				continue;
-			}
-			if (line[len - 2] == '\\')
-				slash = 1;
-			else
-				slash = 0;
-		}
-
-
-		/*
-		 * Line points to a name line.
-		 */
-		done = 0;
-		np = nbuf;
-		for (;;) {
-			for (cp = line; *cp != '\0'; cp++) {
-				if (*cp == ':') {
-					*np++ = ':';
-					done = 1;
-					break;
-				}
-				if (*cp == '\\')
-					break;
-				*np++ = *cp;
-			}
-			if (done) {
-				*np = '\0';
-				break;
-			} else { /* name field extends beyond the line */
-				line = fgetln(pfp, &len);
-				if (line == NULL && pfp) {
-					/* Name extends beyond the EOF! */
-					hadreaderr = ferror(pfp);
-					if (hadreaderr)
-						savederrno = errno;
-					fclose(pfp);
-					pfp = NULL;
-					if (hadreaderr) {
-						cgetclose();
-						errno = savederrno;
-						return (-1);
-					} else {
-						cgetclose();
-						return (-1);
-					}
-				} else
-					line[len - 1] = '\0';
-			}
-		}
-		rp = buf;
-		for(cp = nbuf; *cp != '\0'; cp++)
-			if (*cp == '|' || *cp == ':')
-				break;
-			else
-				*rp++ = *cp;
-
-		*rp = '\0';
-		/*
-		 * XXX
-		 * Last argument of getent here should be nbuf if we want true
-		 * sequential access in the case of duplicates.
-		 * With NULL, getent will return the first entry found
-		 * rather than the duplicate entry record.  This is a
-		 * matter of semantics that should be resolved.
-		 */
-		status = getent(bp, &dummy, db_array, -1, buf, 0, NULL);
-		if (status == -2 || status == -3)
-			(void)cgetclose();
-
-		return (status + 1);
-	}
-	/* NOTREACHED */
+	errno = ENOSYS;
+	return (-1);
 }
 
 /*
@@ -783,118 +153,8 @@
 int
 cgetstr(char *buf, const char *cap, char **str)
 {
-	u_int m_room;
-	char *bp, *mp;
-	int len;
-	char *mem;
-
-	/*
-	 * Find string capability cap
-	 */
-	bp = cgetcap(buf, cap, '=');
-	if (bp == NULL)
-		return (-1);
-
-	/*
-	 * Conversion / storage allocation loop ...  Allocate memory in
-	 * chunks SFRAG in size.
-	 */
-	if ((mem = malloc(SFRAG)) == NULL) {
-		errno = ENOMEM;
-		return (-2);	/* couldn't even allocate the first fragment */
-	}
-	m_room = SFRAG;
-	mp = mem;
-
-	while (*bp != ':' && *bp != '\0') {
-		/*
-		 * Loop invariants:
-		 *	There is always room for one more character in mem.
-		 *	Mp always points just past last character in mem.
-		 *	Bp always points at next character in buf.
-		 */
-		if (*bp == '^') {
-			bp++;
-			if (*bp == ':' || *bp == '\0')
-				break;	/* drop unfinished escape */
-			if (*bp == '?') {
-				*mp++ = '\177';
-				bp++;
-			} else
-				*mp++ = *bp++ & 037;
-		} else if (*bp == '\\') {
-			bp++;
-			if (*bp == ':' || *bp == '\0')
-				break;	/* drop unfinished escape */
-			if ('0' <= *bp && *bp <= '7') {
-				int n, i;
-
-				n = 0;
-				i = 3;	/* maximum of three octal digits */
-				do {
-					n = n * 8 + (*bp++ - '0');
-				} while (--i && '0' <= *bp && *bp <= '7');
-				*mp++ = n;
-			}
-			else switch (*bp++) {
-				case 'b': case 'B':
-					*mp++ = '\b';
-					break;
-				case 't': case 'T':
-					*mp++ = '\t';
-					break;
-				case 'n': case 'N':
-					*mp++ = '\n';
-					break;
-				case 'f': case 'F':
-					*mp++ = '\f';
-					break;
-				case 'r': case 'R':
-					*mp++ = '\r';
-					break;
-				case 'e': case 'E':
-					*mp++ = ESC;
-					break;
-				case 'c': case 'C':
-					*mp++ = ':';
-					break;
-				default:
-					/*
-					 * Catches '\', '^', and
-					 *  everything else.
-					 */
-					*mp++ = *(bp-1);
-					break;
-			}
-		} else
-			*mp++ = *bp++;
-		m_room--;
-
-		/*
-		 * Enforce loop invariant: if no room left in current
-		 * buffer, try to get some more.
-		 */
-		if (m_room == 0) {
-			size_t size = mp - mem;
-
-			if ((mem = reallocf(mem, size + SFRAG)) == NULL)
-				return (-2);
-			m_room = SFRAG;
-			mp = mem + size;
-		}
-	}
-	*mp++ = '\0';	/* loop invariant let's us do this */
-	m_room--;
-	len = mp - mem - 1;
-
-	/*
-	 * Give back any extra memory and return value and success.
-	 */
-	if (m_room != 0)
-		if ((mem = reallocf(mem, (size_t)(mp - mem))) == NULL)
-			return (-2);
-	*str = mem;
-	return (len);
+	errno = ENOSYS;
+	return (-1);
 }
 
 /*
@@ -910,63 +170,8 @@
 int
 cgetustr(char *buf, const char *cap, char **str)
 {
-	u_int m_room;
-	char *bp, *mp;
-	int len;
-	char *mem;
-
-	/*
-	 * Find string capability cap
-	 */
-	if ((bp = cgetcap(buf, cap, '=')) == NULL)
-		return (-1);
-
-	/*
-	 * Conversion / storage allocation loop ...  Allocate memory in
-	 * chunks SFRAG in size.
-	 */
-	if ((mem = malloc(SFRAG)) == NULL) {
-		errno = ENOMEM;
-		return (-2);	/* couldn't even allocate the first fragment */
-	}
-	m_room = SFRAG;
-	mp = mem;
-
-	while (*bp != ':' && *bp != '\0') {
-		/*
-		 * Loop invariants:
-		 *	There is always room for one more character in mem.
-		 *	Mp always points just past last character in mem.
-		 *	Bp always points at next character in buf.
-		 */
-		*mp++ = *bp++;
-		m_room--;
-
-		/*
-		 * Enforce loop invariant: if no room left in current
-		 * buffer, try to get some more.
-		 */
-		if (m_room == 0) {
-			size_t size = mp - mem;
-
-			if ((mem = reallocf(mem, size + SFRAG)) == NULL)
-				return (-2);
-			m_room = SFRAG;
-			mp = mem + size;
-		}
-	}
-	*mp++ = '\0';	/* loop invariant let's us do this */
-	m_room--;
-	len = mp - mem - 1;
-
-	/*
-	 * Give back any extra memory and return value and success.
-	 */
-	if (m_room != 0)
-		if ((mem = reallocf(mem, (size_t)(mp - mem))) == NULL)
-			return (-2);
-	*str = mem;
-	return (len);
+	errno = ENOSYS;
+	return (-1);
 }
 
 /*
@@ -978,78 +183,6 @@
 int
 cgetnum(char *buf, const char *cap, long *num)
 {
-	long n;
-	int base, digit;
-	char *bp;
-
-	/*
-	 * Find numeric capability cap
-	 */
-	bp = cgetcap(buf, cap, '#');
-	if (bp == NULL)
-		return (-1);
-
-	/*
-	 * Look at value and determine numeric base:
-	 *	0x... or 0X...	hexadecimal,
-	 * else	0...		octal,
-	 * else			decimal.
-	 */
-	if (*bp == '0') {
-		bp++;
-		if (*bp == 'x' || *bp == 'X') {
-			bp++;
-			base = 16;
-		} else
-			base = 8;
-	} else
-		base = 10;
-
-	/*
-	 * Conversion loop ...
-	 */
-	n = 0;
-	for (;;) {
-		if ('0' <= *bp && *bp <= '9')
-			digit = *bp - '0';
-		else if ('a' <= *bp && *bp <= 'f')
-			digit = 10 + *bp - 'a';
-		else if ('A' <= *bp && *bp <= 'F')
-			digit = 10 + *bp - 'A';
-		else
-			break;
-
-		if (digit >= base)
-			break;
-
-		n = n * base + digit;
-		bp++;
-	}
-
-	/*
-	 * Return value and success.
-	 */
-	*num = n;
-	return (0);
+	errno = ENOSYS;
+	return (-1);
 }
-
-
-/*
- * Compare name field of record.
- */
-static int
-nfcmp(char *nf, char *rec)
-{
-	char *cp, tmp;
-	int ret;
-
-	for (cp = rec; *cp != ':'; cp++)
-		;
-
-	tmp = *(cp + 1);
-	*(cp + 1) = '\0';
-	ret = strcmp(nf, rec);
-	*(cp + 1) = tmp;
-
-	return (ret);
-}




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