diff options
Diffstat (limited to 'usr.sbin/relayd/parse.y')
| -rw-r--r-- | usr.sbin/relayd/parse.y | 32 |
1 files changed, 20 insertions, 12 deletions
diff --git a/usr.sbin/relayd/parse.y b/usr.sbin/relayd/parse.y index 541bb752cd5..f07df7725ef 100644 --- a/usr.sbin/relayd/parse.y +++ b/usr.sbin/relayd/parse.y @@ -1,4 +1,4 @@ -/* $OpenBSD: parse.y,v 1.16 2007/01/12 16:43:01 pyr Exp $ */ +/* $OpenBSD: parse.y,v 1.17 2007/01/24 06:31:09 pyr Exp $ */ /* * Copyright (c) 2006 Pierre-Yves Ritschard <pyr@spootnik.org> @@ -60,7 +60,7 @@ int yyerror(const char *, ...); int yyparse(void); int kw_cmp(const void *, const void *); int lookup(char *); -int lgetc(FILE *); +int lgetc(FILE *, int *); int lungetc(int); int findeol(void); int yylex(void); @@ -550,10 +550,11 @@ char pushback_buffer[MAXPUSHBACK]; int pushback_index = 0; int -lgetc(FILE *f) +lgetc(FILE *f, int *keep) { int c, next; + *keep = 0; if (parsebuf) { /* Read character from the parsebuffer instead of input. */ if (parseindex >= 0) { @@ -571,9 +572,11 @@ lgetc(FILE *f) while ((c = getc(f)) == '\\') { next = getc(f); if (next == 'n') { + *keep = 1; c = '\n'; break; } else if (next == 'r') { + *keep = 1; c = '\r'; break; } else if (next != '\n') { @@ -615,14 +618,15 @@ int findeol(void) { int c; + int k; parsebuf = NULL; pushback_index = 0; /* skip to either EOF or the first real EOL */ while (1) { - c = lgetc(fin); - if (c == '\n') { + c = lgetc(fin, &k); + if (c == '\n' && k == 0) { lineno++; break; } @@ -639,19 +643,22 @@ yylex(void) char *p, *val; int endc, c; int token; + int keep; top: p = buf; - while ((c = lgetc(fin)) == ' ') + while ((c = lgetc(fin, &keep)) == ' ') ; /* nothing */ yylval.lineno = lineno; if (c == '#') - while ((c = lgetc(fin)) != '\n' && c != EOF) - ; /* nothing */ + do { + while ((c = lgetc(fin, &keep)) != '\n' && c != EOF) + ; /* nothing */ + } while (keep == 1); if (c == '$' && parsebuf == NULL) { while (1) { - if ((c = lgetc(fin)) == EOF) + if ((c = lgetc(fin, &keep)) == EOF) return (0); if (p + 1 >= buf + sizeof(buf) - 1) { @@ -681,13 +688,13 @@ top: case '"': endc = c; while (1) { - if ((c = lgetc(fin)) == EOF) + if ((c = lgetc(fin, &keep)) == EOF) return (0); if (c == endc) { *p = '\0'; break; } - if (c == '\n') { + if (c == '\n' && keep == 0) { lineno++; continue; } @@ -716,7 +723,8 @@ top: yyerror("string too long"); return (findeol()); } - } while ((c = lgetc(fin)) != EOF && (allowed_in_string(c))); + } while ((c = lgetc(fin, &keep)) != EOF && + (allowed_in_string(c))); lungetc(c); *p = '\0'; if ((token = lookup(buf)) == STRING) |