14
int copts = REG_EXTENDED;
16
regoff_t startoff = 0;
21
extern void regprint();
24
- main - do the simple case, hand off to regress() for regression
32
my_regmatch_t subs[NS];
44
while ((c = getopt(argc, argv, "c:e:S:E:x")) != EOF)
46
case 'c': /* compile options */
47
copts = options('c', optarg);
49
case 'e': /* execute options */
50
eopts = options('e', optarg);
52
case 'S': /* start offset */
53
startoff = (regoff_t)atoi(optarg);
55
case 'E': /* end offset */
56
endoff = (regoff_t)atoi(optarg);
58
case 'x': /* Debugging. */
67
fprintf(stderr, "usage: %s ", progname);
68
fprintf(stderr, "[-c copt][-C][-d] [re]\n");
77
err = my_regcomp(&re, argv[optind++], copts, &my_charset_latin1);
79
len = my_regerror(err, &re, erbuf, sizeof(erbuf));
80
fprintf(stderr, "error %s, %d/%d `%s'\n",
81
eprint(err), (int) len, (int) sizeof(erbuf), erbuf);
84
regprint(&re, stdout);
91
if (eopts®_STARTEND) {
92
subs[0].rm_so = startoff;
93
subs[0].rm_eo = strlen(argv[optind]) - endoff;
95
err = my_regexec(&re, argv[optind], (size_t)NS, subs, eopts);
97
len = my_regerror(err, &re, erbuf, sizeof(erbuf));
98
fprintf(stderr, "error %s, %d/%d `%s'\n",
99
eprint(err), (int) len, (int) sizeof(erbuf), erbuf);
102
if (!(copts®_NOSUB)) {
103
len = (int)(subs[0].rm_eo - subs[0].rm_so);
104
if (subs[0].rm_so != -1) {
106
printf("match `%.*s'\n", (int)len,
107
argv[optind] + subs[0].rm_so);
109
printf("match `'@%.1s\n",
110
argv[optind] + subs[0].rm_so);
112
for (i = 1; i < NS; i++)
113
if (subs[i].rm_so != -1)
114
printf("(%d) `%.*s'\n", i,
115
(int)(subs[i].rm_eo - subs[i].rm_so),
116
argv[optind] + subs[i].rm_so);
122
- regress - main loop of regression test
123
== void regress(FILE *in);
136
const char *badpat = "invalid regular expression";
138
const char *bpname = "REG_BADPAT";
141
while (fgets(inbuf, sizeof(inbuf), in) != NULL) {
143
if (inbuf[0] == '#' || inbuf[0] == '\n')
144
continue; /* NOTE CONTINUE */
145
inbuf[strlen(inbuf)-1] = '\0'; /* get rid of stupid \n */
147
fprintf(stdout, "%d:\n", line);
148
nf = split(inbuf, f, MAXF, "\t\t");
150
fprintf(stderr, "bad input, line %d\n", line);
153
for (i = 0; i < nf; i++)
154
if (strcmp(f[i], "\"\"") == 0)
160
rx_try(f[0], f[1], f[2], f[3], f[4], options('c', f[1]));
161
if (opt('&', f[1])) /* try with either type of RE */
162
rx_try(f[0], f[1], f[2], f[3], f[4],
163
options('c', f[1]) &~ REG_EXTENDED);
166
ne = my_regerror(REG_BADPAT, (my_regex_t *)NULL, erbuf, sizeof(erbuf));
167
if (strcmp(erbuf, badpat) != 0 || ne != strlen(badpat)+1) {
168
fprintf(stderr, "end: regerror() test gave `%s' not `%s'\n",
172
ne = my_regerror(REG_BADPAT, (my_regex_t *)NULL, erbuf, (size_t)SHORT);
173
if (strncmp(erbuf, badpat, SHORT-1) != 0 || erbuf[SHORT-1] != '\0' ||
174
ne != strlen(badpat)+1) {
175
fprintf(stderr, "end: regerror() short test gave `%s' not `%.*s'\n",
176
erbuf, SHORT-1, badpat);
179
ne = my_regerror(REG_ITOA|REG_BADPAT, (my_regex_t *)NULL, erbuf, sizeof(erbuf));
180
if (strcmp(erbuf, bpname) != 0 || ne != strlen(bpname)+1) {
181
fprintf(stderr, "end: regerror() ITOA test gave `%s' not `%s'\n",
186
ne = my_regerror(REG_ATOI, &re, erbuf, sizeof(erbuf));
187
if (atoi(erbuf) != (int)REG_BADPAT) {
188
fprintf(stderr, "end: regerror() ATOI test gave `%s' not `%ld'\n",
189
erbuf, (long)REG_BADPAT);
191
} else if (ne != strlen(erbuf)+1) {
192
fprintf(stderr, "end: regerror() ATOI test len(`%s') = %ld\n",
193
erbuf, (long)REG_BADPAT);
199
- rx_try - try it, and report on problems
200
== void rx_try(char *f0, char *f1, char *f2, char *f3, char *f4, int opts);
203
rx_try(f0, f1, f2, f3, f4, opts)
209
int opts; /* may not match f1 */
213
my_regmatch_t subs[NSUBS];
215
char *should[NSHOULD];
220
const char *type = (opts & REG_EXTENDED) ? "ERE" : "BRE";
227
re.re_endp = (opts®_PEND) ? f0copy + strlen(f0copy) : NULL;
229
err = my_regcomp(&re, f0copy, opts, &my_charset_latin1);
230
if (err != 0 && (!opt('C', f1) || err != efind(f2))) {
231
/* unexpected error or wrong error */
232
len = my_regerror(err, &re, erbuf, sizeof(erbuf));
233
fprintf(stderr, "%d: %s error %s, %d/%d `%s'\n",
234
line, type, eprint(err), len,
235
(int) sizeof(erbuf), erbuf);
237
} else if (err == 0 && opt('C', f1)) {
238
/* unexpected success */
239
fprintf(stderr, "%d: %s should have given REG_%s\n",
242
err = 1; /* so we won't try regexec */
253
if (options('e', f1)®_STARTEND) {
254
if (strchr(f2, '(') == NULL || strchr(f2, ')') == NULL)
255
fprintf(stderr, "%d: bad STARTEND syntax\n", line);
256
subs[0].rm_so = strchr(f2, '(') - f2 + 1;
257
subs[0].rm_eo = strchr(f2, ')') - f2;
259
err = my_regexec(&re, f2copy, NSUBS, subs, options('e', f1));
261
if (err != 0 && (f3 != NULL || err != REG_NOMATCH)) {
262
/* unexpected error or wrong error */
263
len = my_regerror(err, &re, erbuf, sizeof(erbuf));
264
fprintf(stderr, "%d: %s exec error %s, %d/%d `%s'\n",
265
line, type, eprint(err), len,
266
(int) sizeof(erbuf), erbuf);
268
} else if (err != 0) {
269
/* nothing more to check */
270
} else if (f3 == NULL) {
271
/* unexpected success */
272
fprintf(stderr, "%d: %s exec should have failed\n",
275
err = 1; /* just on principle */
276
} else if (opts®_NOSUB) {
277
/* nothing more to check */
278
} else if ((grump = check(f2, subs[0], f3)) != NULL) {
279
fprintf(stderr, "%d: %s %s\n", line, type, grump);
284
if (err != 0 || f4 == NULL) {
289
for (i = 1; i < NSHOULD; i++)
291
nshould = split(f4, should+1, NSHOULD-1, ",");
294
should[1] = (char*) "";
296
for (i = 1; i < NSUBS; i++) {
297
grump = check(f2, subs[i], should[i]);
299
fprintf(stderr, "%d: %s $%d %s\n", line,
310
- options - pick options out of a regression-test string
311
== int options(int type, char *s);
315
int type; /* 'c' compile, 'e' exec */
319
register int o = (type == 'c') ? copts : eopts;
320
register const char *legal = (type == 'c') ? "bisnmp" : "^$#tl";
322
for (p = s; *p != '\0'; p++)
323
if (strchr(legal, *p) != NULL)
353
case 't': /* trace */
356
case 'l': /* force long representation */
359
case 'r': /* force backref use */
367
- opt - is a particular option in a regression string?
368
== int opt(int c, char *s);
375
return(strchr(s, c) != NULL);
379
- fixstr - transform magic characters in strings
380
== void fixstr(register char *p);
389
for (; *p != '\0'; p++)
401
- check - check a substring match
402
== char *check(char *str, regmatch_t sub, char *should);
404
char * /* NULL or complaint */
405
check(str, sub, should)
413
static char grump[500];
414
register char *at = NULL;
416
if (should != NULL && strcmp(should, "-") == 0)
418
if (should != NULL && should[0] == '@') {
423
/* check rm_so and rm_eo for consistency */
424
if (sub.rm_so > sub.rm_eo || (sub.rm_so == -1 && sub.rm_eo != -1) ||
425
(sub.rm_so != -1 && sub.rm_eo == -1) ||
426
(sub.rm_so != -1 && sub.rm_so < 0) ||
427
(sub.rm_eo != -1 && sub.rm_eo < 0) ) {
428
sprintf(grump, "start %ld end %ld", (long)sub.rm_so,
433
/* check for no match */
434
if (sub.rm_so == -1 && should == NULL)
437
return((char*) "did not match");
439
/* check for in range */
440
if ((int) sub.rm_eo > (int) strlen(str)) {
441
sprintf(grump, "start %ld end %ld, past end of string",
442
(long)sub.rm_so, (long)sub.rm_eo);
446
len = (int)(sub.rm_eo - sub.rm_so);
447
shlen = (int)strlen(should);
450
/* check for not supposed to match */
451
if (should == NULL) {
452
sprintf(grump, "matched `%.*s'", len, p);
456
/* check for wrong match */
457
if (len != shlen || strncmp(p, should, (size_t)shlen) != 0) {
458
sprintf(grump, "matched `%.*s' instead", len, p);
464
/* check null match in right place */
469
shlen = 1; /* force check for end-of-string */
470
if (strncmp(p, at, shlen) != 0) {
471
sprintf(grump, "matched null at `%.20s'", p);
478
- eprint - convert error number to name
479
== static char *eprint(int err);
485
static char epbuf[100];
488
len = my_regerror(REG_ITOA|err, (my_regex_t *)NULL, epbuf, sizeof(epbuf));
489
assert(len <= sizeof(epbuf));
494
- efind - convert error name to number
495
== static int efind(char *name);
501
static char efbuf[100];
504
sprintf(efbuf, "REG_%s", name);
505
assert(strlen(efbuf) < sizeof(efbuf));
507
(void) my_regerror(REG_ATOI, &re, efbuf, sizeof(efbuf));