sed(1): Add back line numbers to compiler error messages
This commit is contained in:
FRIGN
parent
4391984115
commit
767e36e410
57
sed.c
57
sed.c
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@ -355,6 +355,15 @@ strnacpy(String *dst, char *src, size_t n)
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strlcpy(dst->str, src, len);
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}
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void
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leprintf(char *s)
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{
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if (errno)
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eprintf("%zu: %s: %s\n", lineno, s, strerror(errno));
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else
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eprintf("%zu: %s\n", lineno, s);
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}
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/* FIXME: write usage message */
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void
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usage(void)
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@ -413,9 +422,9 @@ compile(char *s, int isfile)
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s = chompr(s, '!');
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if (!isascii(*s) || !(pc->fninfo = &fns[(unsigned)*s])->fn)
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eprintf("bad sed function\n");
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leprintf("bad sed function");
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if (pc->range.naddr > pc->fninfo->naddr)
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eprintf("wrong number of addresses\n");
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leprintf("wrong number of addresses");
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s++;
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if (pc->fninfo->getarg)
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@ -464,7 +473,7 @@ make_range(Range *range, char *s)
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if (range->beg.type == EVERY && range->end.type == IGNORE) range->naddr = 0;
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else if (range->beg.type != IGNORE && range->end.type == IGNORE) range->naddr = 1;
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else if (range->beg.type != IGNORE && range->end.type != IGNORE) range->naddr = 2;
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else eprintf("this is impossible...\n");
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else leprintf("this is impossible...");
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return s;
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}
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@ -490,7 +499,7 @@ make_addr(Addr *addr, char *s)
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rlen = echarntorune(&r, s, p - s);
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}
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if (r == '\\')
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eprintf("bad delimiter '\\'\n");
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leprintf("bad delimiter '\\'");
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delim = r;
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s += rlen;
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rlen = echarntorune(&r, s, p - s);
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@ -501,7 +510,7 @@ make_addr(Addr *addr, char *s)
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addr->type = REGEX;
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p = find_delim(s, delim, 1);
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if (!*p)
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eprintf("unclosed regex\n");
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leprintf("unclosed regex");
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p -= escapes(s, p, delim, 0);
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*p++ = '\0';
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addr->u.re = emalloc(sizeof(*addr->u.re));
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@ -604,9 +613,9 @@ stol(char *s, char **endp)
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n = strtol(s, endp, 10);
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if (errno)
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eprintf("strtol %s:", s);
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leprintf("strtol:");
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if (*endp == s)
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eprintf("strtol %s: invalid number\n", s);
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leprintf("strtol: invalid number");
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return n;
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}
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@ -668,7 +677,7 @@ echarntorune(Rune *r, char *s, size_t n)
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{
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size_t rlen = charntorune(r, s, n);
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if (!rlen || *r == Runeerror)
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eprintf("invalid UTF-8\n");
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leprintf("invalid UTF-8");
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return rlen;
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}
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@ -692,7 +701,7 @@ insert_labels(void)
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}
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}
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if (i == labels.size)
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eprintf("bad label\n");
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leprintf("bad label");
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}
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}
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}
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@ -795,7 +804,7 @@ get_r_arg(Cmd *c, char *s)
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char *p = semicolon_arg(s = chomp(s));
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if (p == s)
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eprintf("no file name\n");
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leprintf("no file name");
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c->u.acir.str.str = estrndup(s, p - s);
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c->u.acir.print = write_file;
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@ -825,7 +834,7 @@ get_s_arg(Cmd *c, char *s)
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c->u.s.p = 0;
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if (!*s || *s == '\\')
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eprintf("bad delimiter\n");
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leprintf("bad delimiter");
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p = s + strlen(s);
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s += echarntorune(&delim, s, p - s);
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@ -837,7 +846,7 @@ get_s_arg(Cmd *c, char *s)
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p = find_delim(s, delim, 1);
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if (!*p)
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eprintf("missing second delimiter\n");
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leprintf("missing second delimiter");
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p -= escapes(s, p, delim, 0);
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*p = '\0';
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@ -859,7 +868,7 @@ get_s_arg(Cmd *c, char *s)
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if (!*p) { /* no third delimiter */
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/* FIXME: same backslash counting as aci_append() */
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if (p[-1] != '\\')
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eprintf("missing third delimiter or <backslash><newline>\n");
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leprintf("missing third delimiter or <backslash><newline>");
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p[-1] = '\n';
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gflags.s_cont = 1;
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} else {
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@ -872,7 +881,7 @@ get_s_arg(Cmd *c, char *s)
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if (esc) {
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esc = 0;
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if (isdigit(*p) && c->u.s.re && (size_t)(*p - '0') > c->u.s.re->re_nsub)
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eprintf("back reference number greater than number of groups\n");
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leprintf("back reference number greater than number of groups");
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} else if (*p == '\\') {
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esc = 1;
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}
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@ -927,7 +936,7 @@ get_w_arg(Cmd *c, char *s)
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Wfile *w, **wp;
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if (p == s)
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eprintf("no file name\n");
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leprintf("no file name");
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/* man -Wsigncompare is annoying */
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for (wp = (Wfile **)wfiles.data; (size_t)(wp - (Wfile **)wfiles.data) < wfiles.size; wp++) {
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@ -941,7 +950,7 @@ get_w_arg(Cmd *c, char *s)
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w->path = estrndup(s, p - s);
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if (!(w->file = fopen(w->path, "w")))
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eprintf("fopen failed\n");
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leprintf("fopen failed");
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c->u.file = w->file;
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@ -971,7 +980,7 @@ get_y_arg(Cmd *c, char *s)
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nrunes2 = utfnlen(s, p - s);
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if (nrunes1 != nrunes2)
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eprintf("different set lengths\n");
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leprintf("different set lengths");
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c->u.y.set2 = strtorunes(s, utfnlen(s, p - s));
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@ -992,7 +1001,7 @@ get_colon_arg(Cmd *c, char *s)
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char *p = semicolon_arg(s = chomp(s));
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if (p == s)
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eprintf("no label name\n");
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leprintf("no label name");
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c->u.label = estrndup(s, p - s);
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push(&labels, (void *)(c - prog));
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@ -1012,7 +1021,7 @@ get_rbrace_arg(Cmd *c, char *s)
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Cmd *lbrace;
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if (!braces.size)
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eprintf("extra }\n");
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leprintf("extra }");
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lbrace = prog + (ptrdiff_t)pop(&braces);
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lbrace->u.offset = c - prog;
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@ -1042,7 +1051,7 @@ run(void)
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{
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lineno = 0;
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if (braces.size)
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eprintf("extra {\n");
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leprintf("extra {");
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/* genbuf has already been initialized, patt will be in new_line
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* (or we'll halt) */
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@ -1094,7 +1103,7 @@ match_addr(Addr *a)
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return !regexec(a->u.re, patt.str, 0, NULL, 0);
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case LASTRE:
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if (!lastre)
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eprintf("no previous regex\n");
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leprintf("no previous regex");
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return !regexec(lastre, patt.str, 0, NULL, 0);
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}
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}
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@ -1420,7 +1429,7 @@ cmd_s(Cmd *c)
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return;
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if (!c->u.s.re && !lastre)
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eprintf("no previous regex\n");
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leprintf("no previous regex");
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regex_t *re = c->u.s.re ? c->u.s.re : lastre;
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regmatch_t pmatch[re->re_nsub + 1];
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@ -1453,7 +1462,7 @@ cmd_s(Cmd *c)
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strnacat(&genbuf, p, len);
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p += len;
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switch (*p) {
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default: eprintf("this shouldn't be possible\n");
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default: leprintf("this shouldn't be possible");
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case '\0':
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/* we're at the end, back up one so the ++p will put us on
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* the null byte to break out of the loop */
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@ -1466,7 +1475,7 @@ cmd_s(Cmd *c)
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if (isdigit(*++p)) { /* backreference */
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/* only need to check here if using lastre, otherwise we checked when building */
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if (!c->u.s.re && (size_t)(*p - '0') > re->re_nsub)
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eprintf("back reference number greater than number of groups\n");
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leprintf("back reference number greater than number of groups");
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regmatch_t *rm = &pmatch[*p - '0'];
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strnacat(&genbuf, s + rm->rm_so, rm->rm_eo - rm->rm_so);
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} else { /* character after backslash taken literally (well one byte, but it works) */
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