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| author |   millert <millert@openbsd.org> | 2020-12-31 17:24:05 +0000 |
|---|---|---|
| committer | millert <millert@openbsd.org> | 2020-12-31 17:24:05 +0000 |
| commit | b2207dfff571cfb87c205cb58e13dfd81f990a9f (patch) | |
| tree | 51a5b8b81ea7c53659ac40999d457cdc4b06c3ca /lib/libc/regex/regcomp.c | |
| parent | Remove unused categories in re_guts; they are written to but never read. (diff) | |
| download | wireguard-openbsd-b2207dfff571cfb87c205cb58e13dfd81f990a9f.tar.xz wireguard-openbsd-b2207dfff571cfb87c205cb58e13dfd81f990a9f.zip | |
More regular error handling with the REQUIRE macro.
Changing it from ((condition) || function call) to an if() wrapped
in a do/while is easier to read and more stylistically consistent.
The seterr() function no longer needs to return a value.
From miod@, OK tb@
Diffstat (limited to 'lib/libc/regex/regcomp.c')
| -rw-r--r-- | lib/libc/regex/regcomp.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/lib/libc/regex/regcomp.c b/lib/libc/regex/regcomp.c index 60ec1676ad6..b5c0c32afe7 100644 --- a/lib/libc/regex/regcomp.c +++ b/lib/libc/regex/regcomp.c @@ -1,4 +1,4 @@ -/* $OpenBSD: regcomp.c,v 1.40 2020/12/31 17:20:19 millert Exp $ */ +/* $OpenBSD: regcomp.c,v 1.41 2020/12/31 17:24:05 millert Exp $ */ /*- * Copyright (c) 1992, 1993, 1994 Henry Spencer. * Copyright (c) 1992, 1993, 1994 @@ -84,7 +84,7 @@ static void ordinary(struct parse *, int); static void backslash(struct parse *, int); static void nonnewline(struct parse *); static void repeat(struct parse *, sopno, int, int); -static int seterr(struct parse *, int); +static void seterr(struct parse *, int); static cset *allocset(struct parse *); static void freeset(struct parse *, cset *); static int freezeset(struct parse *, cset *); @@ -120,7 +120,7 @@ static char nuls[10]; /* place to point scanner in event of error */ #define NEXTn(n) (p->next += (n)) #define GETNEXT() (*p->next++) #define SETERROR(e) seterr(p, (e)) -#define REQUIRE(co, e) (void) ((co) || SETERROR(e)) +#define REQUIRE(co, e) do { if (!(co)) SETERROR(e); } while (0) #define EMIT(op, sopnd) doemit(p, (sop)(op), (size_t)(sopnd)) #define INSERT(op, pos) doinsert(p, (sop)(op), HERE()-(pos)+1, pos) #define AHEAD(pos) dofwd(p, pos, HERE()-(pos)) @@ -996,14 +996,13 @@ repeat(struct parse *p, /* - seterr - set an error condition */ -static int /* useless but makes type checking happy */ +static void seterr(struct parse *p, int e) { if (p->error == 0) /* keep earliest error condition */ p->error = e; p->next = nuls; /* try to bring things to a halt */ p->end = nuls; - return(0); /* make the return value well-defined */ } /* |