Vendor import of bwk's 13-Dec-2002 release.
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obrien
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@ -25,6 +25,12 @@ THIS SOFTWARE.
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This file lists all bug fixes, changes, etc., made since the AWK book
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was sent to the printers in August, 1987.
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Dec 13, 2002:
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for the moment, the internationalization changes of nov 29 are
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rolled back -- programs like x = 1.2 don't work in some locales,
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because the parser is expecting x = 1,2. until i understand this
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better, this will have to wait.
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Nov 29, 2002:
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modified b.c (with tiny changes in main and run) to support
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locales, using strcoll and iswhatever tests for posix character
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@ -282,24 +282,9 @@ int quoted(char **pp) /* pick up next thing after a \\ */
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return c;
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}
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static int collate_range_cmp(int a, int b)
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{
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int r;
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static char s[2][2];
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if ((uschar)a == (uschar)b)
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return 0;
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s[0][0] = a;
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s[1][0] = b;
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if ((r = strcoll(s[0], s[1])) == 0)
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r = (uschar)a - (uschar)b;
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return r;
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}
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char *cclenter(const char *argp) /* add a character class */
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{
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int i, c, c2;
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int j;
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uschar *p = (uschar *) argp;
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uschar *op, *bp;
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static uschar *buf = 0;
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@ -318,18 +303,15 @@ char *cclenter(const char *argp) /* add a character class */
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c2 = *p++;
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if (c2 == '\\')
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c2 = quoted((char **) &p);
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if (collate_range_cmp(c, c2) > 0) { /* empty; ignore */
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if (c > c2) { /* empty; ignore */
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bp--;
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i--;
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continue;
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}
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for (j = 0; j < NCHARS; j++) {
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if ((collate_range_cmp(c, j) > 0) ||
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collate_range_cmp(j, c2) > 0)
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continue;
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while (c < c2) {
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if (!adjbuf((char **) &buf, &bufsz, bp-buf+2, 100, (char **) &bp, 0))
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FATAL("out of space for character class [%.10s...] 2", p);
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*bp++ = j;
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*bp++ = ++c;
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i++;
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}
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continue;
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@ -713,24 +695,23 @@ Node *unary(Node *np)
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* relex(), the expanded character class (prior to range expansion)
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* must be less than twice the size of their full name.
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*/
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struct charclass {
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const char *cc_name;
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int cc_namelen;
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int (*cc_func)(int);
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const char *cc_expand;
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} charclasses[] = {
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{ "alnum", 5, isalnum },
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{ "alpha", 5, isalpha },
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{ "blank", 5, isblank },
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{ "cntrl", 5, iscntrl },
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{ "digit", 5, isdigit },
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{ "graph", 5, isgraph },
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{ "lower", 5, islower },
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{ "print", 5, isprint },
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{ "punct", 5, ispunct },
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{ "space", 5, isspace },
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{ "upper", 5, isupper },
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{ "xdigit", 6, isxdigit },
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{ "alnum", 5, "0-9A-Za-z" },
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{ "alpha", 5, "A-Za-z" },
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{ "blank", 5, " \t" },
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{ "cntrl", 5, "\000-\037\177" },
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{ "digit", 5, "0-9" },
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{ "graph", 5, "\041-\176" },
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{ "lower", 5, "a-z" },
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{ "print", 5, " \041-\176" },
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{ "punct", 5, "\041-\057\072-\100\133-\140\173-\176" },
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{ "space", 5, " \f\n\r\t\v" },
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{ "upper", 5, "A-Z" },
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{ "xdigit", 6, "0-9A-Fa-f" },
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{ NULL, 0, NULL },
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};
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@ -743,7 +724,7 @@ int relex(void) /* lexical analyzer for reparse */
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static int bufsz = 100;
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uschar *bp;
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struct charclass *cc;
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int i;
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const uschar *p;
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switch (c = *prestr++) {
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case '|': return OR;
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@ -792,14 +773,8 @@ int relex(void) /* lexical analyzer for reparse */
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if (cc->cc_name != NULL && prestr[1 + cc->cc_namelen] == ':' &&
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prestr[2 + cc->cc_namelen] == ']') {
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prestr += cc->cc_namelen + 3;
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for (i = 0; i < NCHARS; i++) {
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if (!adjbuf((char **) &buf, &bufsz, bp-buf+1, 100, (char **) &bp, 0))
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FATAL("out of space for reg expr %.10s...", lastre);
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if (cc->cc_func(i)) {
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*bp++ = i;
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n++;
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}
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}
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for (p = (const uschar *) cc->cc_expand; *p; p++)
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*bp++ = *p;
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} else
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*bp++ = c;
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} else if (c == '\0') {
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@ -22,12 +22,11 @@ ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF
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THIS SOFTWARE.
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****************************************************************/
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const char *version = "version 20021129";
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const char *version = "version 20021213";
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#define DEBUG
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#include <stdio.h>
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#include <ctype.h>
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#include <locale.h>
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#include <stdlib.h>
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#include <string.h>
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#include <signal.h>
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@ -55,7 +54,6 @@ int main(int argc, char *argv[])
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{
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const char *fs = NULL;
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setlocale(LC_ALL, "");
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cmdname = argv[0];
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if (argc == 1) {
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fprintf(stderr, "Usage: %s [-f programfile | 'program'] [-Ffieldsep] [-v var=value] [files]\n", cmdname);
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@ -1509,11 +1509,11 @@ Cell *bltin(Node **a, int n) /* builtin functions. a[0] is type, a[1] is arg lis
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if (t == FTOUPPER) {
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for (p = buf; *p; p++)
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if (islower((uschar) *p))
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*p = toupper((uschar)*p);
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*p = toupper(*p);
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} else {
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for (p = buf; *p; p++)
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if (isupper((uschar) *p))
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*p = tolower((uschar)*p);
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*p = tolower(*p);
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}
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tempfree(x);
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x = gettemp();
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