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-rw-r--r--contrib/one-true-awk/b.c63
1 files changed, 19 insertions, 44 deletions
diff --git a/contrib/one-true-awk/b.c b/contrib/one-true-awk/b.c
index 1adb6c27570a..aa2ad151a4d3 100644
--- a/contrib/one-true-awk/b.c
+++ b/contrib/one-true-awk/b.c
@@ -282,24 +282,9 @@ int quoted(char **pp) /* pick up next thing after a \\ */
return c;
}
-static int collate_range_cmp(int a, int b)
-{
- int r;
- static char s[2][2];
-
- if ((uschar)a == (uschar)b)
- return 0;
- s[0][0] = a;
- s[1][0] = b;
- if ((r = strcoll(s[0], s[1])) == 0)
- r = (uschar)a - (uschar)b;
- return r;
-}
-
char *cclenter(const char *argp) /* add a character class */
{
int i, c, c2;
- int j;
uschar *p = (uschar *) argp;
uschar *op, *bp;
static uschar *buf = 0;
@@ -318,18 +303,15 @@ char *cclenter(const char *argp) /* add a character class */
c2 = *p++;
if (c2 == '\\')
c2 = quoted((char **) &p);
- if (collate_range_cmp(c, c2) > 0) { /* empty; ignore */
+ if (c > c2) { /* empty; ignore */
bp--;
i--;
continue;
}
- for (j = 0; j < NCHARS; j++) {
- if ((collate_range_cmp(c, j) > 0) ||
- collate_range_cmp(j, c2) > 0)
- continue;
+ while (c < c2) {
if (!adjbuf((char **) &buf, &bufsz, bp-buf+2, 100, (char **) &bp, 0))
FATAL("out of space for character class [%.10s...] 2", p);
- *bp++ = j;
+ *bp++ = ++c;
i++;
}
continue;
@@ -713,24 +695,23 @@ Node *unary(Node *np)
* relex(), the expanded character class (prior to range expansion)
* must be less than twice the size of their full name.
*/
-
struct charclass {
const char *cc_name;
int cc_namelen;
- int (*cc_func)(int);
+ const char *cc_expand;
} charclasses[] = {
- { "alnum", 5, isalnum },
- { "alpha", 5, isalpha },
- { "blank", 5, isblank },
- { "cntrl", 5, iscntrl },
- { "digit", 5, isdigit },
- { "graph", 5, isgraph },
- { "lower", 5, islower },
- { "print", 5, isprint },
- { "punct", 5, ispunct },
- { "space", 5, isspace },
- { "upper", 5, isupper },
- { "xdigit", 6, isxdigit },
+ { "alnum", 5, "0-9A-Za-z" },
+ { "alpha", 5, "A-Za-z" },
+ { "blank", 5, " \t" },
+ { "cntrl", 5, "\000-\037\177" },
+ { "digit", 5, "0-9" },
+ { "graph", 5, "\041-\176" },
+ { "lower", 5, "a-z" },
+ { "print", 5, " \041-\176" },
+ { "punct", 5, "\041-\057\072-\100\133-\140\173-\176" },
+ { "space", 5, " \f\n\r\t\v" },
+ { "upper", 5, "A-Z" },
+ { "xdigit", 6, "0-9A-Fa-f" },
{ NULL, 0, NULL },
};
@@ -743,7 +724,7 @@ int relex(void) /* lexical analyzer for reparse */
static int bufsz = 100;
uschar *bp;
struct charclass *cc;
- int i;
+ const uschar *p;
switch (c = *prestr++) {
case '|': return OR;
@@ -792,14 +773,8 @@ int relex(void) /* lexical analyzer for reparse */
if (cc->cc_name != NULL && prestr[1 + cc->cc_namelen] == ':' &&
prestr[2 + cc->cc_namelen] == ']') {
prestr += cc->cc_namelen + 3;
- for (i = 0; i < NCHARS; i++) {
- if (!adjbuf((char **) &buf, &bufsz, bp-buf+1, 100, (char **) &bp, 0))
- FATAL("out of space for reg expr %.10s...", lastre);
- if (cc->cc_func(i)) {
- *bp++ = i;
- n++;
- }
- }
+ for (p = (const uschar *) cc->cc_expand; *p; p++)
+ *bp++ = *p;
} else
*bp++ = c;
} else if (c == '\0') {