Here's another attempt, incorporating millert's feedback and adding a few more casts:
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