ose: Remove all code related to the OSE port

The OSE port is no longer supported and this commit removed it
and any changes related to it. The things that were general
improvements have been left in the code.

1 files changed, 0 insertions, 696 deletions

diff --git a/erts/etc/common/run_erl_common.c b/erts/etc/common/run_erl_common.c
deleted file mode 100644
index c03d5e3ae2..0000000000
--- a/erts/etc/common/run_erl_common.c
+++ /dev/null
@@ -1,696 +0,0 @@
-/*
- * %CopyrightBegin%
- *
- * Copyright Ericsson AB 2014. All Rights Reserved.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- * %CopyrightEnd%
- */
-#ifdef HAVE_CONFIG_H
-#  include "config.h"
-#endif
-
-#include <dirent.h>
-#include <errno.h>
-#include <fcntl.h>
-#include <stdarg.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/stat.h>
-#include <sys/types.h>
-#include <time.h>
-#include <unistd.h>
-
-#ifdef __ANDROID__
-#  include <termios.h>
-#endif
-
-#ifdef HAVE_SYSLOG_H
-#  include <syslog.h>
-#endif
-
-#ifdef HAVE_SYS_IOCTL_H
-#  include <sys/ioctl.h>
-#endif
-
-#ifdef __OSE__
-#  include "ramlog.h"
-#endif
-
-#include "run_erl_common.h"
-#include "safe_string.h"
-
-#define DEFAULT_LOG_GENERATIONS 5
-#define LOG_MAX_GENERATIONS     1000      /* No more than 1000 log files */
-#define LOG_MIN_GENERATIONS     2         /* At least two to switch between */
-#define DEFAULT_LOG_MAXSIZE     100000
-#define LOG_MIN_MAXSIZE         1000      /* Smallast value for changing log file */
-#define LOG_STUBNAME            "erlang.log."
-#define LOG_PERM                0664
-#define DEFAULT_LOG_ACTIVITY_MINUTES    5
-#define DEFAULT_LOG_ALIVE_MINUTES       15
-#define DEFAULT_LOG_ALIVE_FORMAT        "%a %b %e %T %Z %Y"
-#define ALIVE_BUFFSIZ                   1024
-
-#define STATUSFILENAME  "/run_erl.log"
-
-#define PIPE_STUBNAME   "erlang.pipe"
-#define PIPE_STUBLEN    strlen(PIPE_STUBNAME)
-#define PERM            (S_IWUSR | S_IRUSR | S_IWOTH | S_IROTH | S_IWGRP | S_IRGRP)
-
-/* OSE has defined O_SYNC but it is not recognized by open */
-#if !defined(O_SYNC) || defined(__OSE__)
-#undef O_SYNC
-#define O_SYNC 0
-#define USE_FSYNC 1
-#endif
-
-/* Global variable definitions
- * We need this complex way of handling global variables because of how
- * OSE works here. We want to make it possible to run the shell command
- * run_erl multiple times with different global variables without them
- * effecting eachother.
- */
-
-#define STATUSFILE           (RE_DATA->statusfile)
-#define LOG_DIR              (RE_DATA->log_dir)
-#define STDSTATUS            (RE_DATA->stdstatus)
-#define LOG_GENERATIONS      (RE_DATA->log_generations)
-#define LOG_MAXSIZE          (RE_DATA->log_maxsize)
-#define LOG_ACTIVITY_MINUTES (RE_DATA->log_activity_minutes)
-#define LOG_ALIVE_IN_GMT     (RE_DATA->log_alive_in_gmt)
-#define LOG_ALIVE_FORMAT     (RE_DATA->log_alive_format)
-#define RUN_DAEMON           (RE_DATA->run_daemon)
-#define LOG_ALIVE_MINUTES    (RE_DATA->log_alive_minutes)
-#define LOG_NUM              (RE_DATA->log_num)
-#define LFD                  (RE_DATA->lfd)
-#define PROTOCOL_VER         (RE_DATA->protocol_ver)
-
-struct run_erl_ {
-  /* constant config data */
-  char statusfile[FILENAME_BUFSIZ];
-  char log_dir[FILENAME_BUFSIZ];
-  FILE *stdstatus;
-  int log_generations;
-  int log_maxsize;
-  int log_activity_minutes;
-  int log_alive_in_gmt;
-  char log_alive_format[ALIVE_BUFFSIZ+1];
-  int run_daemon;
-  int log_alive_minutes;
-  /* Current log number and log fd */
-  int log_num;
-  int lfd;
-  unsigned protocol_ver;
-};
-
-typedef struct run_erl_ run_erl;
-
-#ifdef __OSE__
-static OSPPDKEY run_erl_pp_key;
-#define RE_DATA (*(run_erl**)ose_get_ppdata(run_erl_pp_key))
-#else
-static run_erl re;
-#define RE_DATA (&re)
-#endif
-
-/* prototypes */
-
-static int next_log(int log_num);
-static int prev_log(int log_num);
-static int find_next_log_num(void);
-static int open_log(int log_num, int flags);
-
-/*
- * getenv_int:
- */
-static char *getenv_int(const char *name) {
-#ifdef __OSE__
-   return get_env(get_bid(current_process()),name);
-#else
-   return getenv(name);
-#endif
-}
-
-/*
- * next_log:
- * Returns the index number that follows the given index number.
- * (Wrapping after log_generations)
- */
-static int next_log(int log_num) {
-  return log_num>=LOG_GENERATIONS?1:log_num+1;
-}
-
-/*
- * prev_log:
- * Returns the index number that precedes the given index number.
- * (Wrapping after log_generations)
- */
-static int prev_log(int log_num) {
-  return log_num<=1?LOG_GENERATIONS:log_num-1;
-}
-
-/*
- * find_next_log_num()
- * Searches through the log directory to check which logs that already
- * exist. It finds the "hole" in the sequence, and returns the index
- * number for the last log in the log sequence. If there is no hole, index
- * 1 is returned.
- */
-static int find_next_log_num(void) {
-  int i, next_gen, log_gen;
-  DIR *dirp;
-  struct dirent *direntp;
-  int log_exists[LOG_MAX_GENERATIONS+1];
-  int stub_len = strlen(LOG_STUBNAME);
-
-  /* Initialize exiting log table */
-
-  for(i=LOG_GENERATIONS; i>=0; i--)
-    log_exists[i] = 0;
-  dirp = opendir(LOG_DIR);
-  if(!dirp) {
-    ERRNO_ERR1(LOG_ERR,"Can't access log directory '%s'", LOG_DIR);
-    exit(1);
-  }
-
-  /* Check the directory for existing logs */
-
-  while((direntp=readdir(dirp)) != NULL) {
-    if(strncmp(direntp->d_name,LOG_STUBNAME,stub_len)==0) {
-      int num = atoi(direntp->d_name+stub_len);
-      if(num < 1 || num > LOG_GENERATIONS)
-	continue;
-      log_exists[num] = 1;
-    }
-  }
-  closedir(dirp);
-
-  /* Find out the next available log file number */
-
-  next_gen = 0;
-  for(i=LOG_GENERATIONS; i>=0; i--) {
-    if(log_exists[i])
-      if(next_gen)
-	break;
-      else
-	;
-    else
-      next_gen = i;
-  }
-
-  /* Find out the current log file number */
-
-  if(next_gen)
-    log_gen = prev_log(next_gen);
-  else
-    log_gen = 1;
-
-  return log_gen;
-} /* find_next_log_num() */
-
-static int open_log(int log_num, int flags)
-{
-  char buf[FILENAME_MAX];
-  time_t now;
-  struct tm *tmptr;
-  char log_buffer[ALIVE_BUFFSIZ+1];
-
-  /* Remove the next log (to keep a "hole" in the log sequence) */
-  sn_printf(buf, sizeof(buf), "%s/%s%d",
-	    LOG_DIR, LOG_STUBNAME, next_log(log_num));
-  unlink(buf);
-
-  /* Create or continue on the current log file */
-  sn_printf(buf, sizeof(buf), "%s/%s%d", LOG_DIR, LOG_STUBNAME, log_num);
-
-  LFD = sf_open(buf, flags, LOG_PERM);
-
-  if(LFD <0){
-      ERRNO_ERR1(LOG_ERR,"Can't open log file '%s'.", buf);
-    exit(1);
-  }
-
-  /* Write a LOGGING STARTED and time stamp into the log file */
-  time(&now);
-  if (LOG_ALIVE_IN_GMT) {
-      tmptr = gmtime(&now);
-  } else {
-      tmptr = localtime(&now);
-  }
-  if (!strftime(log_buffer, ALIVE_BUFFSIZ, LOG_ALIVE_FORMAT,
-		tmptr)) {
-      strn_cpy(log_buffer, sizeof(log_buffer),
-	      "(could not format time in 256 positions "
-	      "with current format string.)");
-  }
-  log_buffer[ALIVE_BUFFSIZ] = '\0';
-
-  sn_printf(buf, sizeof(buf), "\n=====\n===== LOGGING STARTED %s\n=====\n",
-	    log_buffer);
-  if (erts_run_erl_write_all(LFD, buf, strlen(buf)) < 0)
-      erts_run_erl_log_status("Error in writing to log.\n");
-
-#if USE_FSYNC
-  fsync(LFD);
-#endif
-
-  return LFD;
-}
-
-/* Instead of making sure basename exists, we do our own */
-char *simple_basename(char *path)
-{
-    char *ptr;
-    for (ptr = path; *ptr != '\0'; ++ptr) {
-	if (*ptr == '/') {
-	    path = ptr + 1;
-	}
-    }
-    return path;
-}
-
-ssize_t sf_read(int fd, void *buffer, size_t len) {
-    ssize_t n = 0;
-
-    do { n = read(fd, buffer, len); } while (n < 0 && errno == EINTR);
-
-    return n;
-}
-
-ssize_t sf_write(int fd, const void *buffer, size_t len) {
-    ssize_t n = 0;
-
-    do { n = write(fd, buffer, len); } while (n < 0 && errno == EINTR);
-
-    return n;
-}
-
-int sf_open(const char *path, int type, mode_t mode) {
-    int fd = 0;
-
-    do { fd = open(path, type, mode); } while(fd < 0 && errno == EINTR);
-
-    return fd;
-}
-
-int sf_close(int fd) {
-    int res = 0;
-
-    do { res = close(fd); } while(res < 0 && errno == EINTR);
-
-    return res;
-}
-
-/* Call write() until entire buffer has been written or error.
- * Return len or -1.
- */
-int erts_run_erl_write_all(int fd, const char* buf, int len)
-{
-    int left = len;
-    int written;
-    for (;;) {
-        do {
-	  written = write(fd,buf,left);
-	} while (written < 0 && errno == EINTR);
-	if (written == left) {
-	    return len;
-	}
-	if (written < 0) {
-	    return -1;
-	}
-	left -= written;
-	buf += written;
-    }
-    return written;
-}
-
-/* erts_run_erl_log_status()
- * Prints the arguments to a status file
- * Works like printf (see vfrpintf)
- */
-void erts_run_erl_log_status(const char *format,...)
-{
-  va_list args;
-  time_t now;
-
-  if (STDSTATUS == NULL)
-    STDSTATUS = fopen(STATUSFILE, "w");
-  if (STDSTATUS == NULL)
-    return;
-  now = time(NULL);
-  fprintf(STDSTATUS, "run_erl [%d] %s",
-#ifdef __OSE__
-	  (int)current_process(),
-#else
-	  (int)getpid(),
-#endif
-	  ctime(&now));
-  va_start(args, format);
-  vfprintf(STDSTATUS, format, args);
-  va_end(args);
-  fflush(STDSTATUS);
-  return;
-}
-
-/* Fetch the current log alive minutes */
-int erts_run_erl_log_alive_minutes() {
-  return LOG_ALIVE_MINUTES;
-}
-
-/* error_logf()
- * Prints the arguments to stderr or syslog
- * Works like printf (see vfprintf)
- */
-void erts_run_erl_log_error(int priority, int line, const char *format, ...)
-{
-    va_list args;
-    va_start(args, format);
-
-#ifdef HAVE_SYSLOG_H
-    if (RUN_DAEMON) {
-	vsyslog(priority,format,args);
-    }
-    else
-#endif
-#ifdef __OSE__
-    if (RUN_DAEMON) {
-      char *buff = malloc(sizeof(char)*1024);
-      vsnprintf(buff,1024,format, args);
-      ramlog_printf(buff);
-    }
-    else
-#endif
-    {
-	time_t now = time(NULL);
-	fprintf(stderr, "run_erl:%d [%d] %s", line,
-#ifdef __OSE__
-		(int)current_process(),
-#else
-		(int)getpid(),
-#endif
-		ctime(&now));
-	vfprintf(stderr, format, args);
-    }
-    va_end(args);
-}
-
-/* erts_run_erl_log_write()
- * Writes a message to lfd. If the current log file is full,
- * a new log file is opened.
- */
-int erts_run_erl_log_write(char* buf, size_t len)
-{
-  int size;
-  ssize_t res;
-  /* Decide if new logfile needed, and open if so */
-
-  size = lseek(LFD,0,SEEK_END);
-  if(size+len > LOG_MAXSIZE) {
-    int res;
-    do {
-      res = close(LFD);
-    } while (res < 0 && errno == EINTR);
-    LOG_NUM = next_log(LOG_NUM);
-    LFD = open_log(LOG_NUM, O_RDWR|O_CREAT|O_TRUNC|O_SYNC);
-  }
-
-  /* Write to log file */
-
-  if ((res = erts_run_erl_write_all(LFD, buf, len)) < 0) {
-    erts_run_erl_log_status("Error in writing to log.\n");
-  }
-
-#if USE_FSYNC
-  fsync(LFD);
-#endif
-  return res;
-}
-
-int erts_run_erl_log_activity(int timeout,time_t now,time_t last_activity) {
-  char log_alive_buffer[ALIVE_BUFFSIZ+1];
-  char buf[BUFSIZ];
-
-  if (timeout || now - last_activity > LOG_ACTIVITY_MINUTES*60) {
-    /* Either a time out: 15 minutes without action, */
-    /* or something is coming in right now, but it's a long time */
-    /* since last time, so let's write a time stamp this message */
-    struct tm *tmptr;
-    if (LOG_ALIVE_IN_GMT) {
-      tmptr = gmtime(&now);
-    } else {
-      tmptr = localtime(&now);
-    }
-    if (!strftime(log_alive_buffer, ALIVE_BUFFSIZ, LOG_ALIVE_FORMAT,
-		  tmptr)) {
-      strn_cpy(log_alive_buffer, sizeof(log_alive_buffer),
-	       "(could not format time in 256 positions "
-	       "with current format string.)");
-    }
-    log_alive_buffer[ALIVE_BUFFSIZ] = '\0';
-
-    sn_printf(buf, sizeof(buf), "\n===== %s%s\n",
-	      timeout?"ALIVE ":"", log_alive_buffer);
-    return erts_run_erl_log_write(buf, strlen(buf));
-  }
-  return 0;
-}
-
-int erts_run_erl_log_open() {
-
-  LOG_NUM = find_next_log_num();
-  LFD = open_log(LOG_NUM, O_RDWR|O_APPEND|O_CREAT|O_SYNC);
-  return 0;
-}
-
-int erts_run_erl_log_init(int daemon, char* logdir) {
-  char *p;
-
-#ifdef __OSE__
-  run_erl **re_pp;
-  if (!run_erl_pp_key)
-     ose_create_ppdata("run_erl_ppdata",&run_erl_pp_key);
-  re_pp = (run_erl **)ose_get_ppdata(run_erl_pp_key);
-  *re_pp = malloc(sizeof(run_erl));
-#endif
-
-  STDSTATUS = NULL;
-  LOG_GENERATIONS = DEFAULT_LOG_GENERATIONS;
-  LOG_MAXSIZE     = DEFAULT_LOG_MAXSIZE;
-  LOG_ACTIVITY_MINUTES = DEFAULT_LOG_ACTIVITY_MINUTES;
-  LOG_ALIVE_IN_GMT = 0;
-  RUN_DAEMON = 0;
-  LOG_ALIVE_MINUTES = DEFAULT_LOG_ALIVE_MINUTES;
-  LFD = 0;
-  PROTOCOL_VER = RUN_ERL_LO_VER; /* assume lowest to begin with */
-
-  /* Get values for LOG file handling from the environment */
-  if ((p = getenv_int("RUN_ERL_LOG_ALIVE_MINUTES"))) {
-      LOG_ALIVE_MINUTES = atoi(p);
-      if (!LOG_ALIVE_MINUTES) {
-	  ERROR1(LOG_ERR,"Minimum value for RUN_ERL_LOG_ALIVE_MINUTES is 1 "
-		 "(current value is %s)",p);
-      }
-      LOG_ACTIVITY_MINUTES = LOG_ALIVE_MINUTES / 3;
-      if (!LOG_ACTIVITY_MINUTES) {
-	  ++LOG_ACTIVITY_MINUTES;
-      }
-  }
-  if ((p = getenv_int(
-		   "RUN_ERL_LOG_ACTIVITY_MINUTES"))) {
-     LOG_ACTIVITY_MINUTES = atoi(p);
-      if (!LOG_ACTIVITY_MINUTES) {
-	  ERROR1(LOG_ERR,"Minimum value for RUN_ERL_LOG_ACTIVITY_MINUTES is 1 "
-		 "(current value is %s)",p);
-      }
-  }
-  if ((p = getenv_int("RUN_ERL_LOG_ALIVE_FORMAT"))) {
-      if (strlen(p) > ALIVE_BUFFSIZ) {
-	  ERROR1(LOG_ERR, "RUN_ERL_LOG_ALIVE_FORMAT can contain a maximum of "
-		 "%d characters", ALIVE_BUFFSIZ);
-      }
-      strn_cpy(LOG_ALIVE_FORMAT, sizeof(LOG_ALIVE_FORMAT), p);
-  } else {
-      strn_cpy(LOG_ALIVE_FORMAT, sizeof(LOG_ALIVE_FORMAT),
-	       DEFAULT_LOG_ALIVE_FORMAT);
-  }
-  if ((p = getenv_int("RUN_ERL_LOG_ALIVE_IN_UTC"))
-      && strcmp(p,"0")) {
-      ++LOG_ALIVE_IN_GMT;
-  }
-  if ((p = getenv_int("RUN_ERL_LOG_GENERATIONS"))) {
-    LOG_GENERATIONS = atoi(p);
-    if (LOG_GENERATIONS < LOG_MIN_GENERATIONS)
-      ERROR1(LOG_ERR,"Minimum RUN_ERL_LOG_GENERATIONS is %d",
-	     LOG_MIN_GENERATIONS);
-    if (LOG_GENERATIONS > LOG_MAX_GENERATIONS)
-      ERROR1(LOG_ERR,"Maximum RUN_ERL_LOG_GENERATIONS is %d",
-	     LOG_MAX_GENERATIONS);
-  }
-
-  if ((p = getenv_int("RUN_ERL_LOG_MAXSIZE"))) {
-    LOG_MAXSIZE = atoi(p);
-    if (LOG_MAXSIZE < LOG_MIN_MAXSIZE)
-      ERROR1(LOG_ERR,"Minimum RUN_ERL_LOG_MAXSIZE is %d", LOG_MIN_MAXSIZE);
-  }
-
-  RUN_DAEMON = daemon;
-
-  strn_cpy(LOG_DIR, sizeof(LOG_DIR), logdir);
-  strn_cpy(STATUSFILE, sizeof(STATUSFILE), LOG_DIR);
-  strn_cat(STATUSFILE, sizeof(STATUSFILE), STATUSFILENAME);
-
-  return 0;
-}
-
-/* create_fifo()
- * Creates a new fifo with the given name and permission.
- */
-static int create_fifo(char *name, int perm)
-{
-  if ((mkfifo(name, perm) < 0) && (errno != EEXIST))
-    return -1;
-  return 0;
-}
-
-/*
- * w- and r_pipename have to be pre-allocated of atleast FILENAME_MAX size
- */
-int erts_run_erl_open_fifo(char *pipename,char *w_pipename,char *r_pipename) {
-  int calculated_pipename = 0;
-  int highest_pipe_num = 0;
-  int fd;
-
-  /*
-   * Create FIFOs and open them
-   */
-
-  if(*pipename && pipename[strlen(pipename)-1] == '/') {
-    /* The user wishes us to find a unique pipe name in the specified */
-    /* directory */
-    DIR *dirp;
-    struct dirent *direntp;
-
-    calculated_pipename = 1;
-    dirp = opendir(pipename);
-    if(!dirp) {
-      ERRNO_ERR1(LOG_ERR,"Can't access pipe directory '%s'.", pipename);
-      return 1;
-    }
-
-    /* Check the directory for existing pipes */
-
-    while((direntp=readdir(dirp)) != NULL) {
-      if(strncmp(direntp->d_name,PIPE_STUBNAME,PIPE_STUBLEN)==0) {
-	int num = atoi(direntp->d_name+PIPE_STUBLEN+1);
-	if(num > highest_pipe_num)
-	  highest_pipe_num = num;
-      }
-    }
-    closedir(dirp);
-    strn_catf(pipename, BUFSIZ, "%s.%d",
-	      PIPE_STUBNAME, highest_pipe_num+1);
-  } /* if */
-
-  for(;;) {
-      /* write FIFO - is read FIFO for `to_erl' program */
-      strn_cpy(w_pipename, BUFSIZ, pipename);
-      strn_cat(w_pipename, BUFSIZ, ".r");
-      if (create_fifo(w_pipename, PERM) < 0) {
-	  ERRNO_ERR1(LOG_ERR,"Cannot create FIFO %s for writing.",
-		     w_pipename);
-	  return 1;
-      }
-
-      /* read FIFO - is write FIFO for `to_erl' program */
-      strn_cpy(r_pipename, BUFSIZ, pipename);
-      strn_cat(r_pipename, BUFSIZ, ".w");
-
-      /* Check that nobody is running run_erl already */
-      if ((fd = sf_open(r_pipename, O_WRONLY|DONT_BLOCK_PLEASE, 0)) >= 0) {
-	  /* Open as client succeeded -- run_erl is already running! */
-	  sf_close(fd);
-	  if (calculated_pipename) {
-	      ++highest_pipe_num;
-	      strn_catf(pipename, BUFSIZ, "%s.%d",
-			PIPE_STUBNAME, highest_pipe_num+1);
-	      continue;
-	  }
-	  ERROR1(LOG_ERR, "Erlang already running on pipe %s.\n", pipename);
-	  unlink(w_pipename);
-	  return 1;
-      }
-      if (create_fifo(r_pipename, PERM) < 0) {
-	  unlink(w_pipename);
-	  ERRNO_ERR1(LOG_ERR,"Cannot create FIFO %s for reading.",
-		     r_pipename);
-	  return 1;
-      }
-      break;
-  }
-  return 0;
-}
-
-/* Extract any control sequences that are ment only for run_erl
- * and should not be forwarded to the pty.
- */
-int erts_run_erl_extract_ctrl_seq(char* buf, int len, int mfd)
-{
-    static const char prefix[] = "\033_";
-    static const char suffix[] = "\033\\";
-    char* bufend = buf + len;
-    char* start = buf;
-    char* command;
-    char* end;
-
-    for (;;) {
-	start = find_str(start, bufend-start, prefix);
-	if (!start) break;
-
-	command = start + strlen(prefix);
-	end = find_str(command, bufend-command, suffix);
-	if (end) {
-	    unsigned col, row;
-	    if (sscanf(command,"version=%u", &PROTOCOL_VER)==1) {
-		/*fprintf(stderr,"to_erl v%u\n", protocol_ver);*/
-	    }
-	    else if (sscanf(command,"winsize=%u,%u", &col, &row)==2) {
-#ifdef TIOCSWINSZ
-	      struct winsize ws;
-	      ws.ws_col = col;
-	      ws.ws_row = row;
-	      if (ioctl(mfd, TIOCSWINSZ, &ws) < 0) {
-		ERRNO_ERR0(LOG_ERR,"Failed to set window size");
-	      }
-#endif
-	    }
-	    else {
-		ERROR2(LOG_ERR, "Ignoring unknown ctrl command '%.*s'\n",
-		       (int)(end-command), command);
-	    }
-
-	    /* Remove ctrl sequence from buf */
-	    end += strlen(suffix);
-	    memmove(start, end, bufend-end);
-	    bufend -= end - start;
-	}
-	else {
-	    ERROR2(LOG_ERR, "Missing suffix in ctrl sequence '%.*s'\n",
-		   (int)(bufend-start), start);
-	    break;
-	}
-    }
-    return bufend - buf;
-}