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main.c

/* $Xorg: main.c,v 1.5 2001/02/09 02:03:16 xorgcvs Exp $ */
/*

Copyright (c) 1993, 1994, 1998 The Open Group

Permission to use, copy, modify, distribute, and sell this software and its
documentation for any purpose is hereby granted without fee, provided that
the above copyright notice appear in all copies and that both that
copyright notice and this permission notice appear in supporting
documentation.

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

Except as contained in this notice, the name of The Open Group shall not be
used in advertising or otherwise to promote the sale, use or other dealings
in this Software without prior written authorization from The Open Group.

*/
/* $XFree86: xc/config/makedepend/main.c,v 3.32 2003/03/26 20:43:48 tsi Exp $ */

#include "def.h"
#ifdef hpux
#define sigvec sigvector
#endif /* hpux */

#ifdef X_POSIX_C_SOURCE
#define _POSIX_C_SOURCE X_POSIX_C_SOURCE
#include <signal.h>
#undef _POSIX_C_SOURCE
#else
#if defined(X_NOT_POSIX) || defined(_POSIX_SOURCE)
#include <signal.h>
#else
#define _POSIX_SOURCE
#include <signal.h>
#undef _POSIX_SOURCE
#endif
#endif

#include <stdarg.h>

#ifdef MINIX
#define USE_CHMOD 1
#endif

#ifdef DEBUG
int   _debugmask;
#endif

/* #define DEBUG_DUMP */
#ifdef DEBUG_DUMP
#define DBG_PRINT(file, fmt, args)   fprintf(file, fmt, args)
#else
#define DBG_PRINT(file, fmt, args)   /* empty */
#endif

#define DASH_INC_PRE    "#include \""
#define DASH_INC_POST   "\""

char *ProgramName;

char  *directives[] = {
      "if",
      "ifdef",
      "ifndef",
      "else",
      "endif",
      "define",
      "undef",
      "include",
      "line",
      "pragma",
      "error",
      "ident",
      "sccs",
      "elif",
      "eject",
      "warning",
      "include_next",
      NULL
};

#define MAKEDEPEND
#include "imakemdep.h"  /* from config sources */
#undef MAKEDEPEND

struct      inclist inclist[ MAXFILES ],
            *inclistp = inclist,
            *inclistnext = inclist,
            maininclist;

static char *filelist[ MAXFILES ];
char        *includedirs[ MAXDIRS + 1 ],
            **includedirsnext = includedirs;
char        *notdotdot[ MAXDIRS ];
static int  cmdinc_count = 0;
static char *cmdinc_list[ 2 * MAXINCFILES ];
char        *objprefix = "";
char        *objsuffix = OBJSUFFIX;
static char *startat = "# DO NOT DELETE";
int         width = 78;
static boolean    append = FALSE;
boolean           printed = FALSE;
boolean           verbose = FALSE;
boolean           show_where_not = FALSE;
/* Warn on multiple includes of same file */
boolean     warn_multiple = FALSE;

static void setfile_cmdinc(struct filepointer *filep, long count, char **list);
static void redirect(char *line, char *makefile);

static
#ifdef SIGNALRETURNSINT
int
#else
void
#endif
catch (int sig)
{
      fflush (stdout);
      fatalerr ("got signal %d\n", sig);
}

#if defined(USG) || (defined(i386) && defined(SYSV)) || defined(WIN32) || defined(__UNIXOS2__) || defined(Lynx_22) || defined(__CYGWIN__)
#define USGISH
#endif

#ifndef USGISH
#ifdef X_NOT_POSIX
#define sigaction sigvec
#define sa_handler sv_handler
#define sa_mask sv_mask
#define sa_flags sv_flags
#endif
struct sigaction sig_act;
#endif /* USGISH */

int
main(int argc, char *argv[])
{
      char  **fp = filelist;
      char  **incp = includedirs;
      char  *p;
      struct inclist    *ip;
      char  *makefile = NULL;
      struct filepointer      *filecontent;
      struct symtab *psymp = predefs;
      char *endmarker = NULL;
      char *defincdir = NULL;
      char **undeflist = NULL;
      int numundefs = 0, i;
      register char offset;

      ProgramName = argv[0];

      while (psymp->s_name)
      {
          define2(psymp->s_name, psymp->s_value, &maininclist);
          psymp++;
      }
      if (argc == 2 && argv[1][0] == '@') {
          struct stat ast;
          int afd;
          char *args;
          char **nargv;
          int nargc;
          char quotechar = '\0';

          nargc = 1;
          if ((afd = open(argv[1]+1, O_RDONLY)) < 0)
            fatalerr("cannot open \"%s\"\n", argv[1]+1);
          fstat(afd, &ast);
          args = (char *)malloc(ast.st_size + 1);
          if ((ast.st_size = read(afd, args, ast.st_size)) < 0)
            fatalerr("failed to read %s\n", argv[1]+1);
          args[ast.st_size] = '\0';
          close(afd);
          for (p = args; *p; p++) {
            if (quotechar) {
                if (quotechar == '\\' ||
                  (*p == quotechar && p[-1] != '\\'))
                  quotechar = '\0';
                continue;
            }
            switch (*p) {
            case '\\':
            case '"':
            case '\'':
                quotechar = *p;
                break;
            case ' ':
            case '\n':
                *p = '\0';
                if (p > args && p[-1])
                  nargc++;
                break;
            }
          }
          if (p[-1])
            nargc++;
          nargv = (char **)malloc(nargc * sizeof(char *));
          nargv[0] = argv[0];
          argc = 1;
          for (p = args; argc < nargc; p += strlen(p) + 1)
            if (*p) nargv[argc++] = p;
          argv = nargv;
      }
      for(argc--, argv++; argc; argc--, argv++) {
            /* if looking for endmarker then check before parsing */
            if (endmarker && strcmp (endmarker, *argv) == 0) {
                endmarker = NULL;
                continue;
            }
            if (**argv != '-') {
                  /* treat +thing as an option for C++ */
                  if (endmarker && **argv == '+')
                        continue;
                  *fp++ = argv[0];
                  continue;
            }
            switch(argv[0][1]) {
            case '-':
                  endmarker = &argv[0][2];
                  if (endmarker[0] == '\0') endmarker = "--";
                  break;
            case 'D':
                  offset = 2;
                  if (argv[0][2] == '\0') {
                        argv++;
                        argc--;
                        offset = 0;
                  }
                  /* offset +1 here since first def letter
                   * cannot be `=`
                   */
                  for (p = argv[0] + offset + 1; *p; p++)
                        if (*p == '=') {
                              *p = ' ';
                              break;
                        }
                  define(argv[0] + offset, &maininclist);
                  break;
            case 'I':
                  if (incp >= includedirs + MAXDIRS)
                      fatalerr("Too many -I flags.\n");
                  *incp++ = argv[0]+2;
                  if (**(incp-1) == '\0') {
                        *(incp-1) = *(++argv);
                        argc--;
                  }
                  break;
            case 'U':
                  /* Undef's override all -D's so save them up */
                  numundefs++;
                  if (numundefs == 1)
                      undeflist = malloc(sizeof(char *));
                  else
                      undeflist = realloc(undeflist,
                                    numundefs * sizeof(char *));
                  offset = 2;
                  if (argv[0][2] == '\0') {
                        argv++;
                        argc--;
                        offset = 0;
                  }
                  undeflist[numundefs - 1] = argv[0] + offset;
                  break;
            case 'Y':
                  defincdir = argv[0]+2;
                  break;
            /* do not use if endmarker processing */
            case 'a':
                  if (endmarker) break;
                  append = TRUE;
                  break;
            case 'w':
                  if (endmarker) break;
                  if (argv[0][2] == '\0') {
                        argv++;
                        argc--;
                        width = atoi(argv[0]);
                  } else
                        width = atoi(argv[0]+2);
                  break;
            case 'o':
                  if (endmarker) break;
                  if (argv[0][2] == '\0') {
                        argv++;
                        argc--;
                        objsuffix = argv[0];
                  } else
                        objsuffix = argv[0]+2;
                  break;
            case 'p':
                  if (endmarker) break;
                  if (argv[0][2] == '\0') {
                        argv++;
                        argc--;
                        objprefix = argv[0];
                  } else
                        objprefix = argv[0]+2;
                  break;
            case 'v':
                  if (endmarker) break;
                  verbose = TRUE;
#ifdef DEBUG
                  if (argv[0][2])
                        _debugmask = atoi(argv[0]+2);
#endif
                  break;
            case 's':
                  if (endmarker) break;
                  startat = argv[0]+2;
                  if (*startat == '\0') {
                        startat = *(++argv);
                        argc--;
                  }
                  if (*startat != '#')
                        fatalerr("-s flag's value should start %s\n",
                              "with '#'.");
                  break;
            case 'f':
                  if (endmarker) break;
                  makefile = argv[0]+2;
                  if (*makefile == '\0') {
                        makefile = *(++argv);
                        argc--;
                  }
                  break;

            case 'm':
                  warn_multiple = TRUE;
                  break;
                  
            /* Ignore -O, -g so we can just pass ${CFLAGS} to
               makedepend
             */
            case 'O':
            case 'g':
                  break;
            case 'i':
                  if (strcmp(&argv[0][1],"include") == 0) {
                        char *buf;
                        if (argc<2)
                              fatalerr("option -include is a "
                                     "missing its parameter\n");
                        if (cmdinc_count >= MAXINCFILES)
                              fatalerr("Too many -include flags.\n");
                        argc--;
                        argv++;
                        buf = malloc(strlen(DASH_INC_PRE) +
                                   strlen(argv[0]) +
                                   strlen(DASH_INC_POST) + 1);
                        if(!buf)
                              fatalerr("out of memory at "
                                     "-include string\n");
                        cmdinc_list[2 * cmdinc_count + 0] = argv[0];
                        cmdinc_list[2 * cmdinc_count + 1] = buf;
                        cmdinc_count++;
                        break;
                  }
                  /* intentional fall through */
            default:
                  if (endmarker) break;
      /*          fatalerr("unknown opt = %s\n", argv[0]); */
                  warning("ignoring option %s\n", argv[0]);
            }
      }
      /* Now do the undefs from the command line */
      for (i = 0; i < numundefs; i++)
          undefine(undeflist[i], &maininclist);
      if (numundefs > 0)
          free(undeflist);

      if (!defincdir) {
#ifdef PREINCDIR
          if (incp >= includedirs + MAXDIRS)
            fatalerr("Too many -I flags.\n");
          *incp++ = PREINCDIR;
#endif
#ifdef __UNIXOS2__
          {
            char *emxinc = getenv("C_INCLUDE_PATH");
            /* can have more than one component */
            if (emxinc) {
                char *beg, *end;
                beg= (char*)strdup(emxinc);
                for (;;) {
                  end = (char*)strchr(beg,';');
                  if (end) *end = 0;
                  if (incp >= includedirs + MAXDIRS)
                        fatalerr("Too many include dirs\n");
                  *incp++ = beg;
                  if (!end) break;
                  beg = end+1;
                }
            }
          }
#else /* !__UNIXOS2__, does not use INCLUDEDIR at all */
          if (incp >= includedirs + MAXDIRS)
            fatalerr("Too many -I flags.\n");
          *incp++ = INCLUDEDIR;
#endif

#ifdef EXTRAINCDIR
          if (incp >= includedirs + MAXDIRS)
            fatalerr("Too many -I flags.\n");
          *incp++ = EXTRAINCDIR;
#endif

#ifdef POSTINCDIR
          if (incp >= includedirs + MAXDIRS)
            fatalerr("Too many -I flags.\n");
          *incp++ = POSTINCDIR;
#endif
      } else if (*defincdir) {
          if (incp >= includedirs + MAXDIRS)
            fatalerr("Too many -I flags.\n");
          *incp++ = defincdir;
      }

      redirect(startat, makefile);

      /*
       * catch signals.
       */
#ifdef USGISH
/*  should really reset SIGINT to SIG_IGN if it was.  */
#ifdef SIGHUP
      signal (SIGHUP, catch);
#endif
      signal (SIGINT, catch);
#ifdef SIGQUIT
      signal (SIGQUIT, catch);
#endif
      signal (SIGILL, catch);
#ifdef SIGBUS
      signal (SIGBUS, catch);
#endif
      signal (SIGSEGV, catch);
#ifdef SIGSYS
      signal (SIGSYS, catch);
#endif
#else
      sig_act.sa_handler = catch;
#if defined(_POSIX_SOURCE) || !defined(X_NOT_POSIX)
      sigemptyset(&sig_act.sa_mask);
      sigaddset(&sig_act.sa_mask, SIGINT);
      sigaddset(&sig_act.sa_mask, SIGQUIT);
#ifdef SIGBUS
      sigaddset(&sig_act.sa_mask, SIGBUS);
#endif
      sigaddset(&sig_act.sa_mask, SIGILL);
      sigaddset(&sig_act.sa_mask, SIGSEGV);
      sigaddset(&sig_act.sa_mask, SIGHUP);
      sigaddset(&sig_act.sa_mask, SIGPIPE);
#ifdef SIGSYS
      sigaddset(&sig_act.sa_mask, SIGSYS);
#endif
#else
      sig_act.sa_mask = ((1<<(SIGINT -1))
                     |(1<<(SIGQUIT-1))
#ifdef SIGBUS
                     |(1<<(SIGBUS-1))
#endif
                     |(1<<(SIGILL-1))
                     |(1<<(SIGSEGV-1))
                     |(1<<(SIGHUP-1))
                     |(1<<(SIGPIPE-1))
#ifdef SIGSYS
                     |(1<<(SIGSYS-1))
#endif
                     );
#endif /* _POSIX_SOURCE */
      sig_act.sa_flags = 0;
      sigaction(SIGHUP, &sig_act, (struct sigaction *)0);
      sigaction(SIGINT, &sig_act, (struct sigaction *)0);
      sigaction(SIGQUIT, &sig_act, (struct sigaction *)0);
      sigaction(SIGILL, &sig_act, (struct sigaction *)0);
#ifdef SIGBUS
      sigaction(SIGBUS, &sig_act, (struct sigaction *)0);
#endif
      sigaction(SIGSEGV, &sig_act, (struct sigaction *)0);
#ifdef SIGSYS
      sigaction(SIGSYS, &sig_act, (struct sigaction *)0);
#endif
#endif /* USGISH */

      /*
       * now peruse through the list of files.
       */
      for(fp=filelist; *fp; fp++) {
            DBG_PRINT(stderr,"file: %s\n",*fp);
            filecontent = getfile(*fp);
            setfile_cmdinc(filecontent, cmdinc_count, cmdinc_list);
            ip = newinclude(*fp, (char *)NULL);

            find_includes(filecontent, ip, ip, 0, FALSE);
            freefile(filecontent);
            recursive_pr_include(ip, ip->i_file, base_name(*fp));
            inc_clean();
      }
      if (printed)
            printf("\n");
      return 0;
}

#ifdef __UNIXOS2__
/*
 * eliminate \r chars from file
 */
static int 
elim_cr(char *buf, int sz)
{
      int i,wp;
      for (i= wp = 0; i<sz; i++) {
            if (buf[i] != '\r')
                  buf[wp++] = buf[i];
      }
      return wp;
}
#endif

struct filepointer *
getfile(char *file)
{
      int   fd;
      struct filepointer      *content;
      struct stat st;

      content = (struct filepointer *)malloc(sizeof(struct filepointer));
      content->f_name = file;
      if ((fd = open(file, O_RDONLY)) < 0) {
            warning("cannot open \"%s\"\n", file);
            content->f_p = content->f_base = content->f_end = (char *)malloc(1);
            *content->f_p = '\0';
            return(content);
      }
      fstat(fd, &st);
      content->f_base = (char *)malloc(st.st_size+1);
      if (content->f_base == NULL)
            fatalerr("cannot allocate mem\n");
      if ((st.st_size = read(fd, content->f_base, st.st_size)) < 0)
            fatalerr("failed to read %s\n", file);
#ifdef __UNIXOS2__
      st.st_size = elim_cr(content->f_base,st.st_size);
#endif
      close(fd);
      content->f_len = st.st_size+1;
      content->f_p = content->f_base;
      content->f_end = content->f_base + st.st_size;
      *content->f_end = '\0';
      content->f_line = 0;
      content->cmdinc_count = 0;
      content->cmdinc_list = NULL;
      content->cmdinc_line = 0;
      return(content);
}

void
setfile_cmdinc(struct filepointer* filep, long count, char** list)
{
      filep->cmdinc_count = count;
      filep->cmdinc_list = list;
      filep->cmdinc_line = 0;
}

void
freefile(struct filepointer *fp)
{
      free(fp->f_base);
      free(fp);
}

char *copy(char *str)
{
      char  *p = (char *)malloc(strlen(str) + 1);

      strcpy(p, str);
      return(p);
}

int
match(char *str, char **list)
{
      int   i;

      for (i=0; *list; i++, list++)
            if (strcmp(str, *list) == 0)
                  return(i);
      return(-1);
}

/*
 * Get the next line.  We only return lines beginning with '#' since that
 * is all this program is ever interested in.
 */
char *getnextline(struct filepointer *filep)
{
      char  *p,   /* walking pointer */
            *eof, /* end of file pointer */
            *bol; /* beginning of line pointer */
      int   lineno;     /* line number */
      boolean whitespace = FALSE;

      /*
       * Fake the "-include" line files in form of #include to the
       * start of each file.
       */
      if (filep->cmdinc_line < filep->cmdinc_count) {
            char *inc = filep->cmdinc_list[2 * filep->cmdinc_line + 0];
            char *buf = filep->cmdinc_list[2 * filep->cmdinc_line + 1];
            filep->cmdinc_line++;
            sprintf(buf,"%s%s%s",DASH_INC_PRE,inc,DASH_INC_POST);
            DBG_PRINT(stderr,"%s\n",buf);
            return(buf);
      }

      p = filep->f_p;
      eof = filep->f_end;
      if (p >= eof)
            return((char *)NULL);
      lineno = filep->f_line;

      for (bol = p--; ++p < eof; ) {
            if ((bol == p) && ((*p == ' ') || (*p == '\t')))
            {
                  /* Consume leading white-spaces for this line */
                  while (((p+1) < eof) && ((*p == ' ') || (*p == '\t')))
                  {
                        p++;
                        bol++;
                  }
                  whitespace = TRUE;
            }
        
            if (*p == '/' && (p+1) < eof && *(p+1) == '*') {
                  /* Consume C comments */
                  *(p++) = ' ';
                  *(p++) = ' ';
                  while (p < eof && *p) {
                        if (*p == '*' && (p+1) < eof && *(p+1) == '/') {
                              *(p++) = ' ';
                              *(p++) = ' ';
                              break;
                        }
                        if (*p == '\n')
                              lineno++;
                        *(p++) = ' ';
                  }
                  --p;
            }
            else if (*p == '/' && (p+1) < eof && *(p+1) == '/') {
                  /* Consume C++ comments */
                  *(p++) = ' ';
                  *(p++) = ' ';
                  while (p < eof && *p) {
                        if (*p == '\\' && (p+1) < eof &&
                            *(p+1) == '\n') {
                              *(p++) = ' ';
                              lineno++;
                        }
                        else if (*p == '?' && (p+3) < eof &&
                               *(p+1) == '?' && 
                               *(p+2) == '/' &&
                               *(p+3) == '\n') {
                              *(p++) = ' ';
                              *(p++) = ' ';
                              *(p++) = ' ';
                              lineno++;
                        }
                        else if (*p == '\n')
                              break;      /* to process end of line */
                        *(p++) = ' ';
                  }
                  --p;
            }
            else if (*p == '\\' && (p+1) < eof && *(p+1) == '\n') {
                  /* Consume backslash line terminations */
                  *(p++) = ' ';
                  *p = ' ';
                  lineno++;
            }
            else if (*p == '?' && (p+3) < eof &&
                   *(p+1) == '?' && *(p+2) == '/' && *(p+3) == '\n') {
                  /* Consume trigraph'ed backslash line terminations */
                  *(p++) = ' ';
                  *(p++) = ' ';
                  *(p++) = ' ';
                  *p = ' ';
                  lineno++;
            }
            else if (*p == '\n') {
                  lineno++;
                  if (*bol == '#') {
                        char *cp;

                        *(p++) = '\0';
                        /* punt lines with just # (yacc generated) */
                        for (cp = bol+1; 
                             *cp && (*cp == ' ' || *cp == '\t'); cp++);
                        if (*cp) goto done;
                        --p;
                  }
                  bol = p+1;
                  whitespace = FALSE;
            }
      }
      if (*bol != '#')
            bol = NULL;
done:
      if (bol && whitespace) {
            warning("%s:  non-portable whitespace encountered at line %d\n",
                  filep->f_name, lineno);
      }
      filep->f_p = p;
      filep->f_line = lineno;
#ifdef DEBUG_DUMP
      if (bol)
            DBG_PRINT(stderr,"%s\n",bol);
#endif
      return(bol);
}

/*
 * Strip the file name down to what we want to see in the Makefile.
 * It will have objprefix and objsuffix around it.
 */
char *base_name(char *file)
{
      char  *p;

      file = copy(file);
      for(p=file+strlen(file); p>file && *p != '.'; p--) ;

      if (*p == '.')
            *p = '\0';
      return(file);
}

#if defined(USG) && !defined(CRAY) && !defined(SVR4) && !defined(__UNIXOS2__) && !defined(clipper) && !defined(__clipper__)
int rename (char *from, char *to)
{
    (void) unlink (to);
    if (link (from, to) == 0) {
      unlink (from);
      return 0;
    } else {
      return -1;
    }
}
#endif /* USGISH */

void
redirect(char *line, char *makefile)
{
      struct stat st;
      FILE  *fdin, *fdout;
      char  backup[ BUFSIZ ],
            buf[ BUFSIZ ];
      boolean     found = FALSE;
      int   len;

      /*
       * if makefile is "-" then let it pour onto stdout.
       */
      if (makefile && *makefile == '-' && *(makefile+1) == '\0') {
            puts(line);
            return;
      }

      /*
       * use a default makefile is not specified.
       */
      if (!makefile) {
            if (stat("Makefile", &st) == 0)
                  makefile = "Makefile";
            else if (stat("makefile", &st) == 0)
                  makefile = "makefile";
            else
                  fatalerr("[mM]akefile is not present\n");
      }
      else
          stat(makefile, &st);
      if ((fdin = fopen(makefile, "r")) == NULL)
            fatalerr("cannot open \"%s\"\n", makefile);
      sprintf(backup, "%s.bak", makefile);
      unlink(backup);
#if defined(WIN32) || defined(__UNIXOS2__) || defined(__CYGWIN__)
      fclose(fdin);
#endif
      if (rename(makefile, backup) < 0)
            fatalerr("cannot rename %s to %s\n", makefile, backup);
#if defined(WIN32) || defined(__UNIXOS2__) || defined(__CYGWIN__)
      if ((fdin = fopen(backup, "r")) == NULL)
            fatalerr("cannot open \"%s\"\n", backup);
#endif
      if ((fdout = freopen(makefile, "w", stdout)) == NULL)
            fatalerr("cannot open \"%s\"\n", backup);
      len = strlen(line);
      while (!found && fgets(buf, BUFSIZ, fdin)) {
            if (*buf == '#' && strncmp(line, buf, len) == 0)
                  found = TRUE;
            fputs(buf, fdout);
      }
      if (!found) {
            if (verbose)
            warning("Adding new delimiting line \"%s\" and dependencies...\n",
                  line);
            puts(line); /* same as fputs(fdout); but with newline */
      } else if (append) {
          while (fgets(buf, BUFSIZ, fdin)) {
            fputs(buf, fdout);
          }
      }
      fflush(fdout);
#if defined(USGISH) || defined(_SEQUENT_) || defined(USE_CHMOD)
      chmod(makefile, st.st_mode);
#else
        fchmod(fileno(fdout), st.st_mode);
#endif /* USGISH */
}

void
fatalerr(char *msg, ...)
{
      va_list args;
      fprintf(stderr, "%s: error:  ", ProgramName);
      va_start(args, msg);
      vfprintf(stderr, msg, args);
      va_end(args);
      exit (1);
}

void
warning(char *msg, ...)
{
      va_list args;
      fprintf(stderr, "%s: warning:  ", ProgramName);
      va_start(args, msg);
      vfprintf(stderr, msg, args);
      va_end(args);
}

void
warning1(char *msg, ...)
{
      va_list args;
      va_start(args, msg);
      vfprintf(stderr, msg, args);
      va_end(args);
}

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