remove the rc_gitline function from librc

FEATURE-REMOVAL-SCHEDULE.md

@@ -61,19 +61,3 @@ Why: /etc/mtab should be a symbolic link to /proc/self/mounts on modern
 	 Linux systems
 
 Who:
-
-# C API Functions in rc.h
-
-If you have a c program that links to librc and uses functions from
-there, this section will list API functions which are deprecated and
-will be removed along with the reason they are being removed.
-
-## rc_getline()
-
-When: 1.0
-
-Why: The getline() function was standardized in POSIX.1-2008, so it
-	 should be available on POSIX systems.
-
-Who:
-

src/librc/librc-misc.c

@@ -92,30 +92,6 @@ rc_getfile(const char *file, char **buffer, size_t *len)
 	return ret;
 }
 
-ssize_t
-rc_getline(char **line, size_t *len, FILE *fp)
-{
-	char *p;
-	size_t last = 0;
-
-	while (!feof(fp)) {
-		if (*line == NULL || last != 0) {
-			*len += BUFSIZ;
-			*line = xrealloc(*line, *len);
-		}
-		p = *line + last;
-		memset(p, 0, BUFSIZ);
-		if (fgets(p, BUFSIZ, fp) == NULL)
-			break;
-		last += strlen(p);
-		if (last && (*line)[last - 1] == '\n') {
-			(*line)[last - 1] = '\0';
-			break;
-		}
-	}
-	return last;
-}
-
 char *
 rc_proc_getent(const char *ent _unused)
 {

src/librc/rc.h.in

@@ -601,13 +601,9 @@ typedef LIST_HEAD(rc_pidlist, rc_pid) RC_PIDLIST;
  * @return NULL terminated list of pids */
 RC_PIDLIST *rc_find_pids(const char *, const char *const *, uid_t, pid_t);
 
-/* Basically the same as rc_getline() below, it just returns multiple lines */
+/* Basically the same as getline() , it just returns multiple lines */
 bool rc_getfile(const char *, char **, size_t *);
 
-/* getline is a handy glibc function that not all libcs have, so
- * we have our own */
-ssize_t rc_getline(char **, size_t *, FILE *);
-
 /* __END_DECLS */
 #ifdef __cplusplus
 }

src/librc/rc.map

@@ -15,7 +15,6 @@ global:
 	rc_environ_fd;
 	rc_find_pids;
 	rc_getfile;
-	rc_getline;
 	rc_newer_than;
 	rc_older_than;
 	rc_proc_getent;