Christian Weisgerber(na...@mips.inka.de) on 2021.10.12 12:49:24 +0200:
> Christian Weisgerber:
> 
> > Here's another attempt, incorporating millert's feedback and adding
> > a few more casts:
> 
> Any interest in this or not worth the churn and I should drop it?

i think it should go in.

ok benno@

btw, i'm not sure all of these need the pushback.
 
> > Index: bin/chio/parse.y
> > ===================================================================
> > RCS file: /cvs/src/bin/chio/parse.y,v
> > retrieving revision 1.23
> > diff -u -p -r1.23 parse.y
> > --- bin/chio/parse.y        15 Oct 2020 19:42:56 -0000      1.23
> > +++ bin/chio/parse.y        2 Oct 2021 19:42:06 -0000
> > @@ -179,9 +179,9 @@ lookup(char *s)
> >  
> >  #define MAXPUSHBACK        128
> >  
> > -u_char     *parsebuf;
> > +char       *parsebuf;
> >  int         parseindex;
> > -u_char      pushback_buffer[MAXPUSHBACK];
> > +char        pushback_buffer[MAXPUSHBACK];
> >  int         pushback_index = 0;
> >  
> >  int
> > @@ -192,7 +192,7 @@ lgetc(int quotec)
> >     if (parsebuf) {
> >             /* Read character from the parsebuffer instead of input. */
> >             if (parseindex >= 0) {
> > -                   c = parsebuf[parseindex++];
> > +                   c = (unsigned char)parsebuf[parseindex++];
> >                     if (c != '\0')
> >                             return (c);
> >                     parsebuf = NULL;
> > @@ -201,7 +201,7 @@ lgetc(int quotec)
> >     }
> >  
> >     if (pushback_index)
> > -           return (pushback_buffer[--pushback_index]);
> > +           return ((unsigned char)pushback_buffer[--pushback_index]);
> >  
> >     if (quotec) {
> >             if ((c = getc(file->stream)) == EOF) {
> > @@ -242,10 +242,10 @@ lungetc(int c)
> >             if (parseindex >= 0)
> >                     return (c);
> >     }
> > -   if (pushback_index < MAXPUSHBACK-1)
> > -           return (pushback_buffer[pushback_index++] = c);
> > -   else
> > +   if (pushback_index + 1 >= MAXPUSHBACK)
> >             return (EOF);
> > +   pushback_buffer[pushback_index++] = c;
> > +   return (c);
> >  }
> >  
> >  int
> > @@ -272,8 +272,8 @@ findeol(void)
> >  int
> >  yylex(void)
> >  {
> > -   u_char   buf[8096];
> > -   u_char  *p;
> > +   char     buf[8096];
> > +   char    *p;
> >     int      quotec, next, c;
> >     int      token;
> >  
> > @@ -353,8 +353,8 @@ yylex(void)
> >             } else {
> >  nodigits:
> >                     while (p > buf + 1)
> > -                           lungetc(*--p);
> > -                   c = *--p;
> > +                           lungetc((unsigned char)*--p);
> > +                   c = (unsigned char)*--p;
> >                     if (c == '-')
> >                             return (c);
> >             }
> > Index: sbin/dhcpleased/parse.y
> > ===================================================================
> > RCS file: /cvs/src/sbin/dhcpleased/parse.y,v
> > retrieving revision 1.4
> > diff -u -p -r1.4 parse.y
> > --- sbin/dhcpleased/parse.y 20 Sep 2021 11:46:22 -0000      1.4
> > +++ sbin/dhcpleased/parse.y 2 Oct 2021 19:17:33 -0000
> > @@ -463,10 +463,10 @@ findeol(void)
> >  int
> >  yylex(void)
> >  {
> > -   unsigned char    buf[8096];
> > -   unsigned char   *p, *val;
> > -   int              quotec, next, c;
> > -   int              token;
> > +   char     buf[8096];
> > +   char    *p, *val;
> > +   int      quotec, next, c;
> > +   int      token;
> >  
> >  top:
> >     p = buf;
> > @@ -502,7 +502,7 @@ top:
> >             p = val + strlen(val) - 1;
> >             lungetc(DONE_EXPAND);
> >             while (p >= val) {
> > -                   lungetc(*p);
> > +                   lungetc((unsigned char)*p);
> >                     p--;
> >             }
> >             lungetc(START_EXPAND);
> > @@ -578,8 +578,8 @@ top:
> >             } else {
> >  nodigits:
> >                     while (p > buf + 1)
> > -                           lungetc(*--p);
> > -                   c = *--p;
> > +                           lungetc((unsigned char)*--p);
> > +                   c = (unsigned char)*--p;
> >                     if (c == '-')
> >                             return (c);
> >             }
> > Index: sbin/iked/parse.y
> > ===================================================================
> > RCS file: /cvs/src/sbin/iked/parse.y,v
> > retrieving revision 1.132
> > diff -u -p -r1.132 parse.y
> > --- sbin/iked/parse.y       18 Sep 2021 16:45:52 -0000      1.132
> > +++ sbin/iked/parse.y       2 Oct 2021 19:07:12 -0000
> > @@ -1510,10 +1510,10 @@ findeol(void)
> >  int
> >  yylex(void)
> >  {
> > -   unsigned char    buf[8096];
> > -   unsigned char   *p, *val;
> > -   int              quotec, next, c;
> > -   int              token;
> > +   char     buf[8096];
> > +   char    *p, *val;
> > +   int      quotec, next, c;
> > +   int      token;
> >  
> >  top:
> >     p = buf;
> > @@ -1549,7 +1549,7 @@ top:
> >             p = val + strlen(val) - 1;
> >             lungetc(DONE_EXPAND);
> >             while (p >= val) {
> > -                   lungetc(*p);
> > +                   lungetc((unsigned char)*p);
> >                     p--;
> >             }
> >             lungetc(START_EXPAND);
> > @@ -1625,8 +1625,8 @@ top:
> >             } else {
> >  nodigits:
> >                     while (p > buf + 1)
> > -                           lungetc(*--p);
> > -                   c = *--p;
> > +                           lungetc((unsigned char)*--p);
> > +                   c = (unsigned char)*--p;
> >                     if (c == '-')
> >                             return (c);
> >             }
> > Index: sbin/ipsecctl/parse.y
> > ===================================================================
> > RCS file: /cvs/src/sbin/ipsecctl/parse.y,v
> > retrieving revision 1.179
> > diff -u -p -r1.179 parse.y
> > --- sbin/ipsecctl/parse.y   29 Dec 2020 19:50:03 -0000      1.179
> > +++ sbin/ipsecctl/parse.y   2 Oct 2021 19:27:11 -0000
> > @@ -1054,9 +1054,9 @@ lookup(char *s)
> >  
> >  #define MAXPUSHBACK        128
> >  
> > -u_char     *parsebuf;
> > +char       *parsebuf;
> >  int         parseindex;
> > -u_char      pushback_buffer[MAXPUSHBACK];
> > +char        pushback_buffer[MAXPUSHBACK];
> >  int         pushback_index = 0;
> >  
> >  int
> > @@ -1067,7 +1067,7 @@ lgetc(int quotec)
> >     if (parsebuf) {
> >             /* Read character from the parsebuffer instead of input. */
> >             if (parseindex >= 0) {
> > -                   c = parsebuf[parseindex++];
> > +                   c = (unsigned char)parsebuf[parseindex++];
> >                     if (c != '\0')
> >                             return (c);
> >                     parsebuf = NULL;
> > @@ -1076,7 +1076,7 @@ lgetc(int quotec)
> >     }
> >  
> >     if (pushback_index)
> > -           return (pushback_buffer[--pushback_index]);
> > +           return ((unsigned char)pushback_buffer[--pushback_index]);
> >  
> >     if (quotec) {
> >             if ((c = getc(file->stream)) == EOF) {
> > @@ -1116,10 +1116,10 @@ lungetc(int c)
> >             if (parseindex >= 0)
> >                     return (c);
> >     }
> > -   if (pushback_index < MAXPUSHBACK-1)
> > -           return (pushback_buffer[pushback_index++] = c);
> > -   else
> > +   if (pushback_index + 1 >= MAXPUSHBACK)
> >             return (EOF);
> > +   pushback_buffer[pushback_index++] = c;
> > +   return (c);
> >  }
> >  
> >  int
> > @@ -1132,7 +1132,7 @@ findeol(void)
> >     /* skip to either EOF or the first real EOL */
> >     while (1) {
> >             if (pushback_index)
> > -                   c = pushback_buffer[--pushback_index];
> > +                   c = (unsigned char)pushback_buffer[--pushback_index];
> >             else
> >                     c = lgetc(0);
> >             if (c == '\n') {
> > @@ -1148,8 +1148,8 @@ findeol(void)
> >  int
> >  yylex(void)
> >  {
> > -   u_char   buf[8096];
> > -   u_char  *p, *val;
> > +   char     buf[8096];
> > +   char    *p, *val;
> >     int      quotec, next, c;
> >     int      token;
> >  
> > @@ -1258,8 +1258,8 @@ top:
> >             } else {
> >  nodigits:
> >                     while (p > buf + 1)
> > -                           lungetc(*--p);
> > -                   c = *--p;
> > +                           lungetc((unsigned char)*--p);
> > +                   c = (unsigned char)*--p;
> >                     if (c == '-')
> >                             return (c);
> >             }
> > Index: sbin/pfctl/parse.y
> > ===================================================================
> > RCS file: /cvs/src/sbin/pfctl/parse.y,v
> > retrieving revision 1.709
> > diff -u -p -r1.709 parse.y
> > --- sbin/pfctl/parse.y      1 Feb 2021 00:31:04 -0000       1.709
> > +++ sbin/pfctl/parse.y      2 Oct 2021 19:07:53 -0000
> > @@ -5170,8 +5170,8 @@ findeol(void)
> >  int
> >  yylex(void)
> >  {
> > -   u_char   buf[8096];
> > -   u_char  *p, *val;
> > +   char     buf[8096];
> > +   char    *p, *val;
> >     int      quotec, next, c;
> >     int      token;
> >  
> > @@ -5209,7 +5209,7 @@ top:
> >             p = val + strlen(val) - 1;
> >             lungetc(DONE_EXPAND);
> >             while (p >= val) {
> > -                   lungetc(*p);
> > +                   lungetc((unsigned char)*p);
> >                     p--;
> >             }
> >             lungetc(START_EXPAND);
> > @@ -5309,8 +5309,8 @@ top:
> >             } else {
> >  nodigits:
> >                     while (p > buf + 1)
> > -                           lungetc(*--p);
> > -                   c = *--p;
> > +                           lungetc((unsigned char)*--p);
> > +                   c = (unsigned char)*--p;
> >                     if (c == '-')
> >                             return (c);
> >             }
> > Index: sbin/unwind/parse.y
> > ===================================================================
> > RCS file: /cvs/src/sbin/unwind/parse.y,v
> > retrieving revision 1.27
> > diff -u -p -r1.27 parse.y
> > --- sbin/unwind/parse.y     31 Aug 2021 20:18:03 -0000      1.27
> > +++ sbin/unwind/parse.y     2 Oct 2021 19:08:30 -0000
> > @@ -557,10 +557,10 @@ findeol(void)
> >  int
> >  yylex(void)
> >  {
> > -   unsigned char    buf[8096];
> > -   unsigned char   *p, *val;
> > -   int              quotec, next, c;
> > -   int              token;
> > +   char     buf[8096];
> > +   char    *p, *val;
> > +   int      quotec, next, c;
> > +   int      token;
> >  
> >  top:
> >     p = buf;
> > @@ -596,7 +596,7 @@ top:
> >             p = val + strlen(val) - 1;
> >             lungetc(DONE_EXPAND);
> >             while (p >= val) {
> > -                   lungetc(*p);
> > +                   lungetc((unsigned char)*p);
> >                     p--;
> >             }
> >             lungetc(START_EXPAND);
> > @@ -672,8 +672,8 @@ top:
> >             } else {
> >  nodigits:
> >                     while (p > buf + 1)
> > -                           lungetc(*--p);
> > -                   c = *--p;
> > +                           lungetc((unsigned char)*--p);
> > +                   c = (unsigned char)*--p;
> >                     if (c == '-')
> >                             return (c);
> >             }
> > Index: usr.sbin/acme-client/parse.y
> > ===================================================================
> > RCS file: /cvs/src/usr.sbin/acme-client/parse.y,v
> > retrieving revision 1.42
> > diff -u -p -r1.42 parse.y
> > --- usr.sbin/acme-client/parse.y    14 Sep 2020 16:00:17 -0000      1.42
> > +++ usr.sbin/acme-client/parse.y    2 Oct 2021 19:08:57 -0000
> > @@ -594,8 +594,8 @@ findeol(void)
> >  int
> >  yylex(void)
> >  {
> > -   u_char   buf[8096];
> > -   u_char  *p, *val;
> > +   char     buf[8096];
> > +   char    *p, *val;
> >     int      quotec, next, c;
> >     int      token;
> >  
> > @@ -633,7 +633,7 @@ top:
> >             p = val + strlen(val) - 1;
> >             lungetc(DONE_EXPAND);
> >             while (p >= val) {
> > -                   lungetc(*p);
> > +                   lungetc((unsigned char)*p);
> >                     p--;
> >             }
> >             lungetc(START_EXPAND);
> > @@ -709,8 +709,8 @@ top:
> >             } else {
> >  nodigits:
> >                     while (p > buf + 1)
> > -                           lungetc(*--p);
> > -                   c = *--p;
> > +                           lungetc((unsigned char)*--p);
> > +                   c = (unsigned char)*--p;
> >                     if (c == '-')
> >                             return c;
> >             }
> > Index: usr.sbin/bgpd/parse.y
> > ===================================================================
> > RCS file: /cvs/src/usr.sbin/bgpd/parse.y,v
> > retrieving revision 1.419
> > diff -u -p -r1.419 parse.y
> > --- usr.sbin/bgpd/parse.y   1 Sep 2021 12:39:52 -0000       1.419
> > +++ usr.sbin/bgpd/parse.y   2 Oct 2021 19:09:32 -0000
> > @@ -3143,8 +3143,8 @@ findeol(void)
> >  int
> >  yylex(void)
> >  {
> > -   u_char   buf[8096];
> > -   u_char  *p, *val;
> > +   char     buf[8096];
> > +   char    *p, *val;
> >     int      quotec, next, c;
> >     int      token;
> >  
> > @@ -3182,7 +3182,7 @@ top:
> >             p = val + strlen(val) - 1;
> >             lungetc(DONE_EXPAND);
> >             while (p >= val) {
> > -                   lungetc(*p);
> > +                   lungetc((unsigned char)*p);
> >                     p--;
> >             }
> >             lungetc(START_EXPAND);
> > @@ -3278,8 +3278,8 @@ top:
> >             } else {
> >  nodigits:
> >                     while (p > buf + 1)
> > -                           lungetc(*--p);
> > -                   c = *--p;
> > +                           lungetc((unsigned char)*--p);
> > +                   c = (unsigned char)*--p;
> >                     if (c == '-')
> >                             return (c);
> >             }
> > Index: usr.sbin/dvmrpd/parse.y
> > ===================================================================
> > RCS file: /cvs/src/usr.sbin/dvmrpd/parse.y,v
> > retrieving revision 1.39
> > diff -u -p -r1.39 parse.y
> > --- usr.sbin/dvmrpd/parse.y 13 Feb 2019 22:57:08 -0000      1.39
> > +++ usr.sbin/dvmrpd/parse.y 2 Oct 2021 19:28:47 -0000
> > @@ -421,9 +421,9 @@ lookup(char *s)
> >  
> >  #define MAXPUSHBACK        128
> >  
> > -u_char     *parsebuf;
> > +char       *parsebuf;
> >  int         parseindex;
> > -u_char      pushback_buffer[MAXPUSHBACK];
> > +char        pushback_buffer[MAXPUSHBACK];
> >  int         pushback_index = 0;
> >  
> >  int
> > @@ -434,7 +434,7 @@ lgetc(int quotec)
> >     if (parsebuf) {
> >             /* Read character from the parsebuffer instead of input. */
> >             if (parseindex >= 0) {
> > -                   c = parsebuf[parseindex++];
> > +                   c = (unsigned char)parsebuf[parseindex++];
> >                     if (c != '\0')
> >                             return (c);
> >                     parsebuf = NULL;
> > @@ -443,7 +443,7 @@ lgetc(int quotec)
> >     }
> >  
> >     if (pushback_index)
> > -           return (pushback_buffer[--pushback_index]);
> > +           return ((unsigned char)pushback_buffer[--pushback_index]);
> >  
> >     if (quotec) {
> >             if ((c = getc(file->stream)) == EOF) {
> > @@ -484,10 +484,10 @@ lungetc(int c)
> >             if (parseindex >= 0)
> >                     return (c);
> >     }
> > -   if (pushback_index < MAXPUSHBACK-1)
> > -           return (pushback_buffer[pushback_index++] = c);
> > -   else
> > +   if (pushback_index + 1 >= MAXPUSHBACK)
> >             return (EOF);
> > +   pushback_buffer[pushback_index++] = c;
> > +   return (c);
> >  }
> >  
> >  int
> > @@ -500,7 +500,7 @@ findeol(void)
> >     /* skip to either EOF or the first real EOL */
> >     while (1) {
> >             if (pushback_index)
> > -                   c = pushback_buffer[--pushback_index];
> > +                   c = (unsigned char)pushback_buffer[--pushback_index];
> >             else
> >                     c = lgetc(0);
> >             if (c == '\n') {
> > @@ -516,8 +516,8 @@ findeol(void)
> >  int
> >  yylex(void)
> >  {
> > -   u_char   buf[8096];
> > -   u_char  *p, *val;
> > +   char     buf[8096];
> > +   char    *p, *val;
> >     int      quotec, next, c;
> >     int      token;
> >  
> > @@ -626,8 +626,8 @@ top:
> >             } else {
> >  nodigits:
> >                     while (p > buf + 1)
> > -                           lungetc(*--p);
> > -                   c = *--p;
> > +                           lungetc((unsigned char)*--p);
> > +                   c = (unsigned char)*--p;
> >                     if (c == '-')
> >                             return (c);
> >             }
> > Index: usr.sbin/eigrpd/parse.y
> > ===================================================================
> > RCS file: /cvs/src/usr.sbin/eigrpd/parse.y,v
> > retrieving revision 1.31
> > diff -u -p -r1.31 parse.y
> > --- usr.sbin/eigrpd/parse.y 30 Dec 2020 18:39:57 -0000      1.31
> > +++ usr.sbin/eigrpd/parse.y 2 Oct 2021 19:10:26 -0000
> > @@ -760,10 +760,10 @@ findeol(void)
> >  static int
> >  yylex(void)
> >  {
> > -   unsigned char    buf[8096];
> > -   unsigned char   *p, *val;
> > -   int              quotec, next, c;
> > -   int              token;
> > +   char     buf[8096];
> > +   char    *p, *val;
> > +   int      quotec, next, c;
> > +   int      token;
> >  
> >  top:
> >     p = buf;
> > @@ -799,7 +799,7 @@ top:
> >             p = val + strlen(val) - 1;
> >             lungetc(DONE_EXPAND);
> >             while (p >= val) {
> > -                   lungetc(*p);
> > +                   lungetc((unsigned char)*p);
> >                     p--;
> >             }
> >             lungetc(START_EXPAND);
> > @@ -875,8 +875,8 @@ top:
> >             } else {
> >  nodigits:
> >                     while (p > buf + 1)
> > -                           lungetc(*--p);
> > -                   c = *--p;
> > +                           lungetc((unsigned char)*--p);
> > +                   c = (unsigned char)*--p;
> >                     if (c == '-')
> >                             return (c);
> >             }
> > Index: usr.sbin/hostapd/parse.y
> > ===================================================================
> > RCS file: /cvs/src/usr.sbin/hostapd/parse.y,v
> > retrieving revision 1.61
> > diff -u -p -r1.61 parse.y
> > --- usr.sbin/hostapd/parse.y        10 May 2019 01:29:31 -0000      1.61
> > +++ usr.sbin/hostapd/parse.y        2 Oct 2021 19:10:52 -0000
> > @@ -1447,8 +1447,8 @@ findeol(void)
> >  int
> >  yylex(void)
> >  {
> > -   u_char   buf[8096];
> > -   u_char  *p, *val;
> > +   char     buf[8096];
> > +   char    *p, *val;
> >     int      quotec, next, c;
> >     int      token;
> >  
> > @@ -1486,7 +1486,7 @@ top:
> >             p = val + strlen(val) - 1;
> >             lungetc(DONE_EXPAND);
> >             while (p >= val) {
> > -                   lungetc(*p);
> > +                   lungetc((unsigned char)*p);
> >                     p--;
> >             }
> >             lungetc(START_EXPAND);
> > @@ -1586,8 +1586,8 @@ top:
> >             } else {
> >  nodigits:
> >                     while (p > buf + 1)
> > -                           lungetc(*--p);
> > -                   c = *--p;
> > +                           lungetc((unsigned char)*--p);
> > +                   c = (unsigned char)*--p;
> >                     if (c == '-')
> >                             return (c);
> >             }
> > Index: usr.sbin/httpd/parse.y
> > ===================================================================
> > RCS file: /cvs/src/usr.sbin/httpd/parse.y,v
> > retrieving revision 1.125
> > diff -u -p -r1.125 parse.y
> > --- usr.sbin/httpd/parse.y  10 Apr 2021 10:10:07 -0000      1.125
> > +++ usr.sbin/httpd/parse.y  2 Oct 2021 19:11:16 -0000
> > @@ -1564,10 +1564,10 @@ findeol(void)
> >  int
> >  yylex(void)
> >  {
> > -   unsigned char    buf[8096];
> > -   unsigned char   *p, *val;
> > -   int              quotec, next, c;
> > -   int              token;
> > +   char     buf[8096];
> > +   char    *p, *val;
> > +   int      quotec, next, c;
> > +   int      token;
> >  
> >  top:
> >     p = buf;
> > @@ -1603,7 +1603,7 @@ top:
> >             p = val + strlen(val) - 1;
> >             lungetc(DONE_EXPAND);
> >             while (p >= val) {
> > -                   lungetc(*p);
> > +                   lungetc((unsigned char)*p);
> >                     p--;
> >             }
> >             lungetc(START_EXPAND);
> > @@ -1679,8 +1679,8 @@ top:
> >             } else {
> >  nodigits:
> >                     while (p > buf + 1)
> > -                           lungetc(*--p);
> > -                   c = *--p;
> > +                           lungetc((unsigned char)*--p);
> > +                   c = (unsigned char)*--p;
> >                     if (c == '-')
> >                             return (c);
> >             }
> > Index: usr.sbin/ifstated/parse.y
> > ===================================================================
> > RCS file: /cvs/src/usr.sbin/ifstated/parse.y,v
> > retrieving revision 1.55
> > diff -u -p -r1.55 parse.y
> > --- usr.sbin/ifstated/parse.y       13 Feb 2019 22:57:08 -0000      1.55
> > +++ usr.sbin/ifstated/parse.y       2 Oct 2021 19:31:52 -0000
> > @@ -415,9 +415,9 @@ lookup(char *s)
> >  
> >  #define MAXPUSHBACK        128
> >  
> > -u_char     *parsebuf;
> > +char       *parsebuf;
> >  int         parseindex;
> > -u_char      pushback_buffer[MAXPUSHBACK];
> > +char        pushback_buffer[MAXPUSHBACK];
> >  int         pushback_index = 0;
> >  
> >  int
> > @@ -428,7 +428,7 @@ lgetc(int quotec)
> >     if (parsebuf) {
> >             /* Read character from the parsebuffer instead of input. */
> >             if (parseindex >= 0) {
> > -                   c = parsebuf[parseindex++];
> > +                   c = (unsigned char)parsebuf[parseindex++];
> >                     if (c != '\0')
> >                             return (c);
> >                     parsebuf = NULL;
> > @@ -437,7 +437,7 @@ lgetc(int quotec)
> >     }
> >  
> >     if (pushback_index)
> > -           return (pushback_buffer[--pushback_index]);
> > +           return ((unsigned char)pushback_buffer[--pushback_index]);
> >  
> >     if (quotec) {
> >             if ((c = getc(file->stream)) == EOF) {
> > @@ -478,10 +478,10 @@ lungetc(int c)
> >             if (parseindex >= 0)
> >                     return (c);
> >     }
> > -   if (pushback_index < MAXPUSHBACK-1)
> > -           return (pushback_buffer[pushback_index++] = c);
> > -   else
> > +   if (pushback_index + 1 >= MAXPUSHBACK)
> >             return (EOF);
> > +   pushback_buffer[pushback_index++] = c;
> > +   return (c);
> >  }
> >  
> >  int
> > @@ -494,7 +494,7 @@ findeol(void)
> >     /* skip to either EOF or the first real EOL */
> >     while (1) {
> >             if (pushback_index)
> > -                   c = pushback_buffer[--pushback_index];
> > +                   c = (unsigned char)pushback_buffer[--pushback_index];
> >             else
> >                     c = lgetc(0);
> >             if (c == '\n') {
> > @@ -510,8 +510,8 @@ findeol(void)
> >  int
> >  yylex(void)
> >  {
> > -   u_char   buf[8096];
> > -   u_char  *p, *val;
> > +   char     buf[8096];
> > +   char    *p, *val;
> >     int      quotec, next, c;
> >     int      token;
> >  
> > @@ -620,8 +620,8 @@ top:
> >             } else {
> >  nodigits:
> >                     while (p > buf + 1)
> > -                           lungetc(*--p);
> > -                   c = *--p;
> > +                           lungetc((unsigned char)*--p);
> > +                   c = (unsigned char)*--p;
> >                     if (c == '-')
> >                             return (c);
> >             }
> > Index: usr.sbin/iscsictl/parse.y
> > ===================================================================
> > RCS file: /cvs/src/usr.sbin/iscsictl/parse.y,v
> > retrieving revision 1.18
> > diff -u -p -r1.18 parse.y
> > --- usr.sbin/iscsictl/parse.y       13 Feb 2019 22:57:08 -0000      1.18
> > +++ usr.sbin/iscsictl/parse.y       2 Oct 2021 19:11:56 -0000
> > @@ -495,8 +495,8 @@ findeol(void)
> >  int
> >  yylex(void)
> >  {
> > -   u_char   buf[8096];
> > -   u_char  *p, *val;
> > +   char     buf[8096];
> > +   char    *p, *val;
> >     int      quotec, next, c;
> >     int      token;
> >  
> > @@ -534,7 +534,7 @@ top:
> >             p = val + strlen(val) - 1;
> >             lungetc(DONE_EXPAND);
> >             while (p >= val) {
> > -                   lungetc(*p);
> > +                   lungetc((unsigned char)*p);
> >                     p--;
> >             }
> >             lungetc(START_EXPAND);
> > @@ -610,8 +610,8 @@ top:
> >             } else {
> >  nodigits:
> >                     while (p > buf + 1)
> > -                           lungetc(*--p);
> > -                   c = *--p;
> > +                           lungetc((unsigned char)*--p);
> > +                   c = (unsigned char)*--p;
> >                     if (c == '-')
> >                             return (c);
> >             }
> > Index: usr.sbin/ldapd/parse.y
> > ===================================================================
> > RCS file: /cvs/src/usr.sbin/ldapd/parse.y,v
> > retrieving revision 1.40
> > diff -u -p -r1.40 parse.y
> > --- usr.sbin/ldapd/parse.y  2 May 2021 14:39:05 -0000       1.40
> > +++ usr.sbin/ldapd/parse.y  2 Oct 2021 19:12:19 -0000
> > @@ -598,8 +598,8 @@ findeol(void)
> >  int
> >  yylex(void)
> >  {
> > -   u_char   buf[4096];
> > -   u_char  *p, *val;
> > +   char     buf[4096];
> > +   char    *p, *val;
> >     int      quotec, next, c;
> >     int      token;
> >  
> > @@ -637,7 +637,7 @@ top:
> >             p = val + strlen(val) - 1;
> >             lungetc(DONE_EXPAND);
> >             while (p >= val) {
> > -                   lungetc(*p);
> > +                   lungetc((unsigned char)*p);
> >                     p--;
> >             }
> >             lungetc(START_EXPAND);
> > @@ -713,8 +713,8 @@ top:
> >             } else {
> >  nodigits:
> >                     while (p > buf + 1)
> > -                           lungetc(*--p);
> > -                   c = *--p;
> > +                           lungetc((unsigned char)*--p);
> > +                   c = (unsigned char)*--p;
> >                     if (c == '-')
> >                             return (c);
> >             }
> > Index: usr.sbin/ldomctl/parse.y
> > ===================================================================
> > RCS file: /cvs/src/usr.sbin/ldomctl/parse.y,v
> > retrieving revision 1.23
> > diff -u -p -r1.23 parse.y
> > --- usr.sbin/ldomctl/parse.y        30 Jan 2021 19:32:44 -0000      1.23
> > +++ usr.sbin/ldomctl/parse.y        2 Oct 2021 19:32:46 -0000
> > @@ -413,9 +413,9 @@ lookup(char *s)
> >  
> >  #define MAXPUSHBACK        128
> >  
> > -u_char     *parsebuf;
> > +char       *parsebuf;
> >  int         parseindex;
> > -u_char      pushback_buffer[MAXPUSHBACK];
> > +char        pushback_buffer[MAXPUSHBACK];
> >  int         pushback_index = 0;
> >  
> >  int
> > @@ -426,7 +426,7 @@ lgetc(int quotec)
> >     if (parsebuf) {
> >             /* Read character from the parsebuffer instead of input. */
> >             if (parseindex >= 0) {
> > -                   c = parsebuf[parseindex++];
> > +                   c = (unsigned char)parsebuf[parseindex++];
> >                     if (c != '\0')
> >                             return (c);
> >                     parsebuf = NULL;
> > @@ -435,7 +435,7 @@ lgetc(int quotec)
> >     }
> >  
> >     if (pushback_index)
> > -           return (pushback_buffer[--pushback_index]);
> > +           return ((unsigned char)pushback_buffer[--pushback_index]);
> >  
> >     if (quotec) {
> >             if ((c = getc(file->stream)) == EOF) {
> > @@ -476,10 +476,10 @@ lungetc(int c)
> >             if (parseindex >= 0)
> >                     return (c);
> >     }
> > -   if (pushback_index < MAXPUSHBACK-1)
> > -           return (pushback_buffer[pushback_index++] = c);
> > -   else
> > +   if (pushback_index + 1 >= MAXPUSHBACK)
> >             return (EOF);
> > +   pushback_buffer[pushback_index++] = c;
> > +   return (c);
> >  }
> >  
> >  int
> > @@ -492,7 +492,7 @@ findeol(void)
> >     /* skip to either EOF or the first real EOL */
> >     while (1) {
> >             if (pushback_index)
> > -                   c = pushback_buffer[--pushback_index];
> > +                   c = (unsigned char)pushback_buffer[--pushback_index];
> >             else
> >                     c = lgetc(0);
> >             if (c == '\n') {
> > @@ -508,8 +508,8 @@ findeol(void)
> >  int
> >  yylex(void)
> >  {
> > -   u_char   buf[8096];
> > -   u_char  *p;
> > +   char     buf[8096];
> > +   char    *p;
> >     int      quotec, next, c;
> >     int      token;
> >  
> > @@ -589,8 +589,8 @@ yylex(void)
> >             } else {
> >  nodigits:
> >                     while (p > buf + 1)
> > -                           lungetc(*--p);
> > -                   c = *--p;
> > +                           lungetc((unsigned char)*--p);
> > +                   c = (unsigned char)*--p;
> >                     if (c == '-')
> >                             return (c);
> >             }
> > Index: usr.sbin/ldpd/parse.y
> > ===================================================================
> > RCS file: /cvs/src/usr.sbin/ldpd/parse.y,v
> > retrieving revision 1.71
> > diff -u -p -r1.71 parse.y
> > --- usr.sbin/ldpd/parse.y   13 Feb 2019 22:57:08 -0000      1.71
> > +++ usr.sbin/ldpd/parse.y   2 Oct 2021 19:12:48 -0000
> > @@ -1074,10 +1074,10 @@ findeol(void)
> >  static int
> >  yylex(void)
> >  {
> > -   unsigned char    buf[8096];
> > -   unsigned char   *p, *val;
> > -   int              quotec, next, c;
> > -   int              token;
> > +   char     buf[8096];
> > +   char    *p, *val;
> > +   int      quotec, next, c;
> > +   int      token;
> >  
> >   top:
> >     p = buf;
> > @@ -1113,7 +1113,7 @@ yylex(void)
> >             p = val + strlen(val) - 1;
> >             lungetc(DONE_EXPAND);
> >             while (p >= val) {
> > -                   lungetc(*p);
> > +                   lungetc((unsigned char)*p);
> >                     p--;
> >             }
> >             lungetc(START_EXPAND);
> > @@ -1189,8 +1189,8 @@ yylex(void)
> >             } else {
> >   nodigits:
> >                     while (p > buf + 1)
> > -                           lungetc(*--p);
> > -                   c = *--p;
> > +                           lungetc((unsigned char)*--p);
> > +                   c = (unsigned char)*--p;
> >                     if (c == '-')
> >                             return (c);
> >             }
> > Index: usr.sbin/lpd/parse.y
> > ===================================================================
> > RCS file: /cvs/src/usr.sbin/lpd/parse.y,v
> > retrieving revision 1.7
> > diff -u -p -r1.7 parse.y
> > --- usr.sbin/lpd/parse.y    28 Jun 2019 13:32:48 -0000      1.7
> > +++ usr.sbin/lpd/parse.y    2 Oct 2021 19:30:52 -0000
> > @@ -277,10 +277,10 @@ lookup(char *s)
> >  
> >  #define MAXPUSHBACK        128
> >  
> > -unsigned char      *parsebuf;
> > -int                 parseindex;
> > -unsigned char       pushback_buffer[MAXPUSHBACK];
> > -int                 pushback_index = 0;
> > +char       *parsebuf;
> > +int         parseindex;
> > +char        pushback_buffer[MAXPUSHBACK];
> > +int         pushback_index = 0;
> >  
> >  int
> >  lgetc(int quotec)
> > @@ -290,7 +290,7 @@ lgetc(int quotec)
> >     if (parsebuf) {
> >             /* Read character from the parsebuffer instead of input. */
> >             if (parseindex >= 0) {
> > -                   c = parsebuf[parseindex++];
> > +                   c = (unsigned char)parsebuf[parseindex++];
> >                     if (c != '\0')
> >                             return (c);
> >                     parsebuf = NULL;
> > @@ -299,7 +299,7 @@ lgetc(int quotec)
> >     }
> >  
> >     if (pushback_index)
> > -           return (pushback_buffer[--pushback_index]);
> > +           return ((unsigned char)pushback_buffer[--pushback_index]);
> >  
> >     if (quotec) {
> >             if ((c = getc(file->stream)) == EOF) {
> > @@ -340,10 +340,10 @@ lungetc(int c)
> >             if (parseindex >= 0)
> >                     return (c);
> >     }
> > -   if (pushback_index < MAXPUSHBACK-1)
> > -           return (pushback_buffer[pushback_index++] = c);
> > -   else
> > +   if (pushback_index + 1 >= MAXPUSHBACK)
> >             return (EOF);
> > +   pushback_buffer[pushback_index++] = c;
> > +   return (c);
> >  }
> >  
> >  int
> > @@ -370,10 +370,10 @@ findeol(void)
> >  int
> >  yylex(void)
> >  {
> > -   unsigned char    buf[8096];
> > -   unsigned char   *p, *val;
> > -   int              quotec, next, c;
> > -   int              token;
> > +   char     buf[8096];
> > +   char    *p, *val;
> > +   int      quotec, next, c;
> > +   int      token;
> >  
> >  top:
> >     p = buf;
> > @@ -480,8 +480,8 @@ top:
> >             } else {
> >  nodigits:
> >                     while (p > buf + 1)
> > -                           lungetc(*--p);
> > -                   c = *--p;
> > +                           lungetc((unsigned char)*--p);
> > +                   c = (unsigned char)*--p;
> >                     if (c == '-')
> >                             return (c);
> >             }
> > Index: usr.sbin/npppd/npppd/parse.y
> > ===================================================================
> > RCS file: /cvs/src/usr.sbin/npppd/npppd/parse.y,v
> > retrieving revision 1.24
> > diff -u -p -r1.24 parse.y
> > --- usr.sbin/npppd/npppd/parse.y    27 Feb 2019 04:52:19 -0000      1.24
> > +++ usr.sbin/npppd/npppd/parse.y    2 Oct 2021 19:34:17 -0000
> > @@ -1108,9 +1108,9 @@ lookup(char *s)
> >  
> >  #define MAXPUSHBACK        128
> >  
> > -u_char     *parsebuf;
> > +char       *parsebuf;
> >  int         parseindex;
> > -u_char      pushback_buffer[MAXPUSHBACK];
> > +char        pushback_buffer[MAXPUSHBACK];
> >  int         pushback_index = 0;
> >  
> >  int
> > @@ -1121,7 +1121,7 @@ lgetc(int quotec)
> >     if (parsebuf) {
> >             /* Read character from the parsebuffer instead of input. */
> >             if (parseindex >= 0) {
> > -                   c = parsebuf[parseindex++];
> > +                   c = (unsigned char)parsebuf[parseindex++];
> >                     if (c != '\0')
> >                             return (c);
> >                     parsebuf = NULL;
> > @@ -1130,7 +1130,7 @@ lgetc(int quotec)
> >     }
> >  
> >     if (pushback_index)
> > -           return (pushback_buffer[--pushback_index]);
> > +           return ((unsigned char)pushback_buffer[--pushback_index]);
> >  
> >     if (quotec) {
> >             if ((c = getc(file->stream)) == EOF) {
> > @@ -1171,10 +1171,10 @@ lungetc(int c)
> >             if (parseindex >= 0)
> >                     return (c);
> >     }
> > -   if (pushback_index < MAXPUSHBACK-1)
> > -           return (pushback_buffer[pushback_index++] = c);
> > -   else
> > +   if (pushback_index + 1 >= MAXPUSHBACK)
> >             return (EOF);
> > +   pushback_buffer[pushback_index++] = c;
> > +   return (c);
> >  }
> >  
> >  int
> > @@ -1187,7 +1187,7 @@ findeol(void)
> >     /* skip to either EOF or the first real EOL */
> >     while (1) {
> >             if (pushback_index)
> > -                   c = pushback_buffer[--pushback_index];
> > +                   c = (unsigned char)pushback_buffer[--pushback_index];
> >             else
> >                     c = lgetc(0);
> >             if (c == '\n') {
> > @@ -1203,8 +1203,8 @@ findeol(void)
> >  int
> >  yylex(void)
> >  {
> > -   u_char   buf[8096];
> > -   u_char  *p;
> > +   char     buf[8096];
> > +   char    *p;
> >     int      quotec, next, c;
> >     int      token;
> >  
> > @@ -1286,8 +1286,8 @@ yylex(void)
> >             } else {
> >  nodigits:
> >                     while (p > buf + 1)
> > -                           lungetc(*--p);
> > -                   c = *--p;
> > +                           lungetc((unsigned char)*--p);
> > +                   c = (unsigned char)*--p;
> >                     if (c == '-')
> >                             return (c);
> >             }
> > Index: usr.sbin/ntpd/parse.y
> > ===================================================================
> > RCS file: /cvs/src/usr.sbin/ntpd/parse.y,v
> > retrieving revision 1.77
> > diff -u -p -r1.77 parse.y
> > --- usr.sbin/ntpd/parse.y   11 Apr 2020 07:49:48 -0000      1.77
> > +++ usr.sbin/ntpd/parse.y   2 Oct 2021 19:35:06 -0000
> > @@ -561,9 +561,9 @@ lookup(char *s)
> >  
> >  #define MAXPUSHBACK        128
> >  
> > -u_char     *parsebuf;
> > +char       *parsebuf;
> >  int         parseindex;
> > -u_char      pushback_buffer[MAXPUSHBACK];
> > +char        pushback_buffer[MAXPUSHBACK];
> >  int         pushback_index = 0;
> >  
> >  int
> > @@ -574,7 +574,7 @@ lgetc(int quotec)
> >     if (parsebuf) {
> >             /* Read character from the parsebuffer instead of input. */
> >             if (parseindex >= 0) {
> > -                   c = parsebuf[parseindex++];
> > +                   c = (unsigned char)parsebuf[parseindex++];
> >                     if (c != '\0')
> >                             return (c);
> >                     parsebuf = NULL;
> > @@ -583,7 +583,7 @@ lgetc(int quotec)
> >     }
> >  
> >     if (pushback_index)
> > -           return (pushback_buffer[--pushback_index]);
> > +           return ((unsigned char)pushback_buffer[--pushback_index]);
> >  
> >     if (quotec) {
> >             if ((c = getc(file->stream)) == EOF) {
> > @@ -624,10 +624,10 @@ lungetc(int c)
> >             if (parseindex >= 0)
> >                     return (c);
> >     }
> > -   if (pushback_index < MAXPUSHBACK-1)
> > -           return (pushback_buffer[pushback_index++] = c);
> > -   else
> > +   if (pushback_index + 1 >= MAXPUSHBACK)
> >             return (EOF);
> > +   pushback_buffer[pushback_index++] = c;
> > +   return (c);
> >  }
> >  
> >  int
> > @@ -640,7 +640,7 @@ findeol(void)
> >     /* skip to either EOF or the first real EOL */
> >     while (1) {
> >             if (pushback_index)
> > -                   c = pushback_buffer[--pushback_index];
> > +                   c = (unsigned char)pushback_buffer[--pushback_index];
> >             else
> >                     c = lgetc(0);
> >             if (c == '\n') {
> > @@ -656,8 +656,8 @@ findeol(void)
> >  int
> >  yylex(void)
> >  {
> > -   u_char   buf[8096];
> > -   u_char  *p;
> > +   char     buf[8096];
> > +   char    *p;
> >     int      quotec, next, c;
> >     int      token;
> >  
> > @@ -739,8 +739,8 @@ yylex(void)
> >             } else {
> >  nodigits:
> >                     while (p > buf + 1)
> > -                           lungetc(*--p);
> > -                   c = *--p;
> > +                           lungetc((unsigned char)*--p);
> > +                   c = (unsigned char)*--p;
> >                     if (c == '-')
> >                             return (c);
> >             }
> > Index: usr.sbin/ospf6d/parse.y
> > ===================================================================
> > RCS file: /cvs/src/usr.sbin/ospf6d/parse.y,v
> > retrieving revision 1.50
> > diff -u -p -r1.50 parse.y
> > --- usr.sbin/ospf6d/parse.y 29 Dec 2020 19:44:26 -0000      1.50
> > +++ usr.sbin/ospf6d/parse.y 2 Oct 2021 19:13:22 -0000
> > @@ -788,8 +788,8 @@ findeol(void)
> >  int
> >  yylex(void)
> >  {
> > -   u_char   buf[8096];
> > -   u_char  *p, *val;
> > +   char     buf[8096];
> > +   char    *p, *val;
> >     int      quotec, next, c;
> >     int      token;
> >  
> > @@ -827,7 +827,7 @@ top:
> >             p = val + strlen(val) - 1;
> >             lungetc(DONE_EXPAND);
> >             while (p >= val) {
> > -                   lungetc(*p);
> > +                   lungetc((unsigned char)*p);
> >                     p--;
> >             }
> >             lungetc(START_EXPAND);
> > @@ -903,8 +903,8 @@ top:
> >             } else {
> >  nodigits:
> >                     while (p > buf + 1)
> > -                           lungetc(*--p);
> > -                   c = *--p;
> > +                           lungetc((unsigned char)*--p);
> > +                   c = (unsigned char)*--p;
> >                     if (c == '-')
> >                             return (c);
> >             }
> > Index: usr.sbin/ospfd/parse.y
> > ===================================================================
> > RCS file: /cvs/src/usr.sbin/ospfd/parse.y,v
> > retrieving revision 1.103
> > diff -u -p -r1.103 parse.y
> > --- usr.sbin/ospfd/parse.y  25 Jan 2021 06:16:38 -0000      1.103
> > +++ usr.sbin/ospfd/parse.y  2 Oct 2021 19:13:50 -0000
> > @@ -979,8 +979,8 @@ findeol(void)
> >  int
> >  yylex(void)
> >  {
> > -   u_char   buf[8096];
> > -   u_char  *p, *val;
> > +   char     buf[8096];
> > +   char    *p, *val;
> >     int      quotec, next, c;
> >     int      token;
> >  
> > @@ -1018,7 +1018,7 @@ top:
> >             p = val + strlen(val) - 1;
> >             lungetc(DONE_EXPAND);
> >             while (p >= val) {
> > -                   lungetc(*p);
> > +                   lungetc((unsigned char)*p);
> >                     p--;
> >             }
> >             lungetc(START_EXPAND);
> > @@ -1094,8 +1094,8 @@ top:
> >             } else {
> >  nodigits:
> >                     while (p > buf + 1)
> > -                           lungetc(*--p);
> > -                   c = *--p;
> > +                           lungetc((unsigned char)*--p);
> > +                   c = (unsigned char)*--p;
> >                     if (c == '-')
> >                             return (c);
> >             }
> > Index: usr.sbin/rad/parse.y
> > ===================================================================
> > RCS file: /cvs/src/usr.sbin/rad/parse.y,v
> > retrieving revision 1.18
> > diff -u -p -r1.18 parse.y
> > --- usr.sbin/rad/parse.y    1 Mar 2021 08:05:40 -0000       1.18
> > +++ usr.sbin/rad/parse.y    2 Oct 2021 19:14:16 -0000
> > @@ -579,10 +579,10 @@ findeol(void)
> >  int
> >  yylex(void)
> >  {
> > -   unsigned char    buf[8096];
> > -   unsigned char   *p, *val;
> > -   int              quotec, next, c;
> > -   int              token;
> > +   char     buf[8096];
> > +   char    *p, *val;
> > +   int      quotec, next, c;
> > +   int      token;
> >  
> >  top:
> >     p = buf;
> > @@ -618,7 +618,7 @@ top:
> >             p = val + strlen(val) - 1;
> >             lungetc(DONE_EXPAND);
> >             while (p >= val) {
> > -                   lungetc(*p);
> > +                   lungetc((unsigned char)*p);
> >                     p--;
> >             }
> >             lungetc(START_EXPAND);
> > @@ -694,8 +694,8 @@ top:
> >             } else {
> >  nodigits:
> >                     while (p > buf + 1)
> > -                           lungetc(*--p);
> > -                   c = *--p;
> > +                           lungetc((unsigned char)*--p);
> > +                   c = (unsigned char)*--p;
> >                     if (c == '-')
> >                             return (c);
> >             }
> > Index: usr.sbin/radiusd/parse.y
> > ===================================================================
> > RCS file: /cvs/src/usr.sbin/radiusd/parse.y,v
> > retrieving revision 1.12
> > diff -u -p -r1.12 parse.y
> > --- usr.sbin/radiusd/parse.y        1 Apr 2019 11:05:41 -0000       1.12
> > +++ usr.sbin/radiusd/parse.y        2 Oct 2021 19:36:09 -0000
> > @@ -450,9 +450,9 @@ lookup(char *s)
> >  
> >  #define MAXPUSHBACK        128
> >  
> > -u_char     *parsebuf;
> > +char       *parsebuf;
> >  int         parseindex;
> > -u_char      pushback_buffer[MAXPUSHBACK];
> > +char        pushback_buffer[MAXPUSHBACK];
> >  int         pushback_index = 0;
> >  
> >  int
> > @@ -463,7 +463,7 @@ lgetc(int quotec)
> >     if (parsebuf) {
> >             /* Read character from the parsebuffer instead of input. */
> >             if (parseindex >= 0) {
> > -                   c = parsebuf[parseindex++];
> > +                   c = (unsigned char)parsebuf[parseindex++];
> >                     if (c != '\0')
> >                             return (c);
> >                     parsebuf = NULL;
> > @@ -472,7 +472,7 @@ lgetc(int quotec)
> >     }
> >  
> >     if (pushback_index)
> > -           return (pushback_buffer[--pushback_index]);
> > +           return ((unsigned char)pushback_buffer[--pushback_index]);
> >  
> >     if (quotec) {
> >             if ((c = getc(file->stream)) == EOF) {
> > @@ -513,10 +513,10 @@ lungetc(int c)
> >             if (parseindex >= 0)
> >                     return (c);
> >     }
> > -   if (pushback_index < MAXPUSHBACK-1)
> > -           return (pushback_buffer[pushback_index++] = c);
> > -   else
> > +   if (pushback_index + 1 >= MAXPUSHBACK)
> >             return (EOF);
> > +   pushback_buffer[pushback_index++] = c;
> > +   return (c);
> >  }
> >  
> >  int
> > @@ -529,7 +529,7 @@ findeol(void)
> >     /* skip to either EOF or the first real EOL */
> >     while (1) {
> >             if (pushback_index)
> > -                   c = pushback_buffer[--pushback_index];
> > +                   c = (unsigned char)pushback_buffer[--pushback_index];
> >             else
> >                     c = lgetc(0);
> >             if (c == '\n') {
> > @@ -545,8 +545,8 @@ findeol(void)
> >  int
> >  yylex(void)
> >  {
> > -   u_char   buf[8096];
> > -   u_char  *p;
> > +   char     buf[8096];
> > +   char    *p;
> >     int      quotec, next, c;
> >     int      token;
> >  
> > @@ -628,8 +628,8 @@ yylex(void)
> >             } else {
> >  nodigits:
> >                     while (p > buf + 1)
> > -                           lungetc(*--p);
> > -                   c = *--p;
> > +                           lungetc((unsigned char)*--p);
> > +                   c = (unsigned char)*--p;
> >                     if (c == '-')
> >                             return (c);
> >             }
> > Index: usr.sbin/relayd/parse.y
> > ===================================================================
> > RCS file: /cvs/src/usr.sbin/relayd/parse.y,v
> > retrieving revision 1.252
> > diff -u -p -r1.252 parse.y
> > --- usr.sbin/relayd/parse.y 17 Jan 2021 15:17:13 -0000      1.252
> > +++ usr.sbin/relayd/parse.y 2 Oct 2021 19:14:43 -0000
> > @@ -2631,8 +2631,8 @@ findeol(void)
> >  int
> >  yylex(void)
> >  {
> > -   u_char   buf[8096];
> > -   u_char  *p, *val;
> > +   char     buf[8096];
> > +   char    *p, *val;
> >     int      quotec, next, c;
> >     int      token;
> >  
> > @@ -2670,7 +2670,7 @@ top:
> >             p = val + strlen(val) - 1;
> >             lungetc(DONE_EXPAND);
> >             while (p >= val) {
> > -                   lungetc(*p);
> > +                   lungetc((unsigned char)*p);
> >                     p--;
> >             }
> >             lungetc(START_EXPAND);
> > @@ -2746,8 +2746,8 @@ top:
> >             } else {
> >  nodigits:
> >                     while (p > buf + 1)
> > -                           lungetc(*--p);
> > -                   c = *--p;
> > +                           lungetc((unsigned char)*--p);
> > +                   c = (unsigned char)*--p;
> >                     if (c == '-')
> >                             return (c);
> >             }
> > Index: usr.sbin/ripd/parse.y
> > ===================================================================
> > RCS file: /cvs/src/usr.sbin/ripd/parse.y,v
> > retrieving revision 1.47
> > diff -u -p -r1.47 parse.y
> > --- usr.sbin/ripd/parse.y   10 May 2019 01:29:31 -0000      1.47
> > +++ usr.sbin/ripd/parse.y   2 Oct 2021 19:37:00 -0000
> > @@ -456,9 +456,9 @@ lookup(char *s)
> >  
> >  #define MAXPUSHBACK        128
> >  
> > -u_char     *parsebuf;
> > +char       *parsebuf;
> >  int         parseindex;
> > -u_char      pushback_buffer[MAXPUSHBACK];
> > +char        pushback_buffer[MAXPUSHBACK];
> >  int         pushback_index = 0;
> >  
> >  int
> > @@ -469,7 +469,7 @@ lgetc(int quotec)
> >     if (parsebuf) {
> >             /* Read character from the parsebuffer instead of input. */
> >             if (parseindex >= 0) {
> > -                   c = parsebuf[parseindex++];
> > +                   c = (unsigned char)parsebuf[parseindex++];
> >                     if (c != '\0')
> >                             return (c);
> >                     parsebuf = NULL;
> > @@ -478,7 +478,7 @@ lgetc(int quotec)
> >     }
> >  
> >     if (pushback_index)
> > -           return (pushback_buffer[--pushback_index]);
> > +           return ((unsigned char)pushback_buffer[--pushback_index]);
> >  
> >     if (quotec) {
> >             if ((c = getc(file->stream)) == EOF) {
> > @@ -519,10 +519,10 @@ lungetc(int c)
> >             if (parseindex >= 0)
> >                     return (c);
> >     }
> > -   if (pushback_index < MAXPUSHBACK-1)
> > -           return (pushback_buffer[pushback_index++] = c);
> > -   else
> > +   if (pushback_index + 1 >= MAXPUSHBACK)
> >             return (EOF);
> > +   pushback_buffer[pushback_index++] = c;
> > +   return (c);
> >  }
> >  
> >  int
> > @@ -535,7 +535,7 @@ findeol(void)
> >     /* skip to either EOF or the first real EOL */
> >     while (1) {
> >             if (pushback_index)
> > -                   c = pushback_buffer[--pushback_index];
> > +                   c = (unsigned char)pushback_buffer[--pushback_index];
> >             else
> >                     c = lgetc(0);
> >             if (c == '\n') {
> > @@ -551,8 +551,8 @@ findeol(void)
> >  int
> >  yylex(void)
> >  {
> > -   u_char   buf[8096];
> > -   u_char  *p, *val;
> > +   char     buf[8096];
> > +   char    *p, *val;
> >     int      quotec, next, c;
> >     int      token;
> >  
> > @@ -661,8 +661,8 @@ top:
> >             } else {
> >  nodigits:
> >                     while (p > buf + 1)
> > -                           lungetc(*--p);
> > -                   c = *--p;
> > +                           lungetc((unsigned char)*--p);
> > +                   c = (unsigned char)*--p;
> >                     if (c == '-')
> >                             return (c);
> >             }
> > Index: usr.sbin/smtpd/parse.y
> > ===================================================================
> > RCS file: /cvs/src/usr.sbin/smtpd/parse.y,v
> > retrieving revision 1.289
> > diff -u -p -r1.289 parse.y
> > --- usr.sbin/smtpd/parse.y  14 Jun 2021 17:58:15 -0000      1.289
> > +++ usr.sbin/smtpd/parse.y  2 Oct 2021 19:15:20 -0000
> > @@ -2859,10 +2859,10 @@ findeol(void)
> >  int
> >  yylex(void)
> >  {
> > -   unsigned char    buf[8096];
> > -   unsigned char   *p, *val;
> > -   int              quotec, next, c;
> > -   int              token;
> > +   char     buf[8096];
> > +   char    *p, *val;
> > +   int      quotec, next, c;
> > +   int      token;
> >  
> >  top:
> >     p = buf;
> > @@ -2898,7 +2898,7 @@ top:
> >             p = val + strlen(val) - 1;
> >             lungetc(DONE_EXPAND);
> >             while (p >= val) {
> > -                   lungetc(*p);
> > +                   lungetc((unsigned char)*p);
> >                     p--;
> >             }
> >             lungetc(START_EXPAND);
> > @@ -2974,8 +2974,8 @@ top:
> >             } else {
> >  nodigits:
> >                     while (p > buf + 1)
> > -                           lungetc(*--p);
> > -                   c = *--p;
> > +                           lungetc((unsigned char)*--p);
> > +                   c = (unsigned char)*--p;
> >                     if (c == '-')
> >                             return (c);
> >             }
> > Index: usr.sbin/snmpd/parse.y
> > ===================================================================
> > RCS file: /cvs/src/usr.sbin/snmpd/parse.y,v
> > retrieving revision 1.68
> > diff -u -p -r1.68 parse.y
> > --- usr.sbin/snmpd/parse.y  2 Sep 2021 05:41:02 -0000       1.68
> > +++ usr.sbin/snmpd/parse.y  2 Oct 2021 19:15:43 -0000
> > @@ -1167,8 +1167,8 @@ findeol(void)
> >  int
> >  yylex(void)
> >  {
> > -   u_char   buf[8096];
> > -   u_char  *p, *val;
> > +   char     buf[8096];
> > +   char    *p, *val;
> >     int      quotec, next, c;
> >     int      token;
> >  
> > @@ -1206,7 +1206,7 @@ top:
> >             p = val + strlen(val) - 1;
> >             lungetc(DONE_EXPAND);
> >             while (p >= val) {
> > -                   lungetc(*p);
> > +                   lungetc((unsigned char)*p);
> >                     p--;
> >             }
> >             lungetc(START_EXPAND);
> > @@ -1282,8 +1282,8 @@ top:
> >             } else {
> >  nodigits:
> >                     while (p > buf + 1)
> > -                           lungetc(*--p);
> > -                   c = *--p;
> > +                           lungetc((unsigned char)*--p);
> > +                   c = (unsigned char)*--p;
> >                     if (c == '-')
> >                             return (c);
> >             }
> > Index: usr.sbin/switchd/parse.y
> > ===================================================================
> > RCS file: /cvs/src/usr.sbin/switchd/parse.y,v
> > retrieving revision 1.15
> > diff -u -p -r1.15 parse.y
> > --- usr.sbin/switchd/parse.y        13 Feb 2019 22:57:08 -0000      1.15
> > +++ usr.sbin/switchd/parse.y        2 Oct 2021 19:16:06 -0000
> > @@ -419,8 +419,8 @@ findeol(void)
> >  int
> >  yylex(void)
> >  {
> > -   u_char   buf[8096];
> > -   u_char  *p, *val;
> > +   char     buf[8096];
> > +   char    *p, *val;
> >     int      quotec, next, c;
> >     int      token;
> >  
> > @@ -458,7 +458,7 @@ top:
> >             p = val + strlen(val) - 1;
> >             lungetc(DONE_EXPAND);
> >             while (p >= val) {
> > -                   lungetc(*p);
> > +                   lungetc((unsigned char)*p);
> >                     p--;
> >             }
> >             lungetc(START_EXPAND);
> > @@ -534,8 +534,8 @@ top:
> >             } else {
> >  nodigits:
> >                     while (p > buf + 1)
> > -                           lungetc(*--p);
> > -                   c = *--p;
> > +                           lungetc((unsigned char)*--p);
> > +                   c = (unsigned char)*--p;
> >                     if (c == '-')
> >                             return (c);
> >             }
> > Index: usr.sbin/vmd/parse.y
> > ===================================================================
> > RCS file: /cvs/src/usr.sbin/vmd/parse.y,v
> > retrieving revision 1.58
> > diff -u -p -r1.58 parse.y
> > --- usr.sbin/vmd/parse.y    16 Jun 2021 16:55:02 -0000      1.58
> > +++ usr.sbin/vmd/parse.y    2 Oct 2021 19:16:38 -0000
> > @@ -930,8 +930,8 @@ findeol(void)
> >  int
> >  yylex(void)
> >  {
> > -   u_char   buf[8096];
> > -   u_char  *p, *val;
> > +   char     buf[8096];
> > +   char    *p, *val;
> >     int      quotec, next, c;
> >     int      token;
> >  
> > @@ -969,7 +969,7 @@ top:
> >             p = val + strlen(val) - 1;
> >             lungetc(DONE_EXPAND);
> >             while (p >= val) {
> > -                   lungetc(*p);
> > +                   lungetc((unsigned char)*p);
> >                     p--;
> >             }
> >             lungetc(START_EXPAND);
> > @@ -1045,8 +1045,8 @@ top:
> >             } else {
> >  nodigits:
> >                     while (p > buf + 1)
> > -                           lungetc(*--p);
> > -                   c = *--p;
> > +                           lungetc((unsigned char)*--p);
> > +                   c = (unsigned char)*--p;
> >                     if (c == '-')
> >                             return (c);
> >             }
> > Index: usr.sbin/ypldap/parse.y
> > ===================================================================
> > RCS file: /cvs/src/usr.sbin/ypldap/parse.y,v
> > retrieving revision 1.33
> > diff -u -p -r1.33 parse.y
> > --- usr.sbin/ypldap/parse.y 13 Feb 2019 22:57:08 -0000      1.33
> > +++ usr.sbin/ypldap/parse.y 2 Oct 2021 19:05:44 -0000
> > @@ -605,8 +605,8 @@ findeol(void)
> >  int
> >  yylex(void)
> >  {
> > -   u_char   buf[8096];
> > -   u_char  *p, *val;
> > +   char     buf[8096];
> > +   char    *p, *val;
> >     int      quotec, next, c;
> >     int      token;
> >  
> > @@ -644,7 +644,7 @@ top:
> >             p = val + strlen(val) - 1;
> >             lungetc(DONE_EXPAND);
> >             while (p >= val) {
> > -                   lungetc(*p);
> > +                   lungetc((unsigned char)*p);
> >                     p--;
> >             }
> >             lungetc(START_EXPAND);
> > @@ -720,8 +720,8 @@ top:
> >             } else {
> >  nodigits:
> >                     while (p > buf + 1)
> > -                           lungetc(*--p);
> > -                   c = *--p;
> > +                           lungetc((unsigned char)*--p);
> > +                   c = (unsigned char)*--p;
> >                     if (c == '-')
> >                             return (c);
> >             }
> 
> -- 
> Christian "naddy" Weisgerber                          na...@mips.inka.de
> 

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