diff options
Diffstat (limited to 'rubbos/app/httpd-2.0.64/srclib/apr/strings/apr_strings.c')
| -rw-r--r-- | rubbos/app/httpd-2.0.64/srclib/apr/strings/apr_strings.c | 458 |
1 files changed, 0 insertions, 458 deletions
diff --git a/rubbos/app/httpd-2.0.64/srclib/apr/strings/apr_strings.c b/rubbos/app/httpd-2.0.64/srclib/apr/strings/apr_strings.c deleted file mode 100644 index 1927c515..00000000 --- a/rubbos/app/httpd-2.0.64/srclib/apr/strings/apr_strings.c +++ /dev/null @@ -1,458 +0,0 @@ -/* Licensed to the Apache Software Foundation (ASF) under one or more - * contributor license agreements. See the NOTICE file distributed with - * this work for additional information regarding copyright ownership. - * The ASF licenses this file to You under the Apache License, Version 2.0 - * (the "License"); you may not use this file except in compliance with - * the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ -/* - * Copyright (c) 1990, 1993 - * The Regents of the University of California. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -#include "apr.h" -#include "apr_strings.h" -#include "apr_general.h" -#include "apr_private.h" -#include "apr_lib.h" -#define APR_WANT_STDIO -#define APR_WANT_STRFUNC -#include "apr_want.h" - -#ifdef HAVE_STDDEF_H -#include <stddef.h> /* NULL */ -#endif - -#ifdef HAVE_STDLIB_H -#include <stdlib.h> /* strtol and strtoll */ -#endif - -/** this is used to cache lengths in apr_pstrcat */ -#define MAX_SAVED_LENGTHS 6 - -APR_DECLARE(char *) apr_pstrdup(apr_pool_t *a, const char *s) -{ - char *res; - apr_size_t len; - - if (s == NULL) { - return NULL; - } - len = strlen(s) + 1; - res = apr_palloc(a, len); - memcpy(res, s, len); - return res; -} - -APR_DECLARE(char *) apr_pstrndup(apr_pool_t *a, const char *s, apr_size_t n) -{ - char *res; - const char *end; - - if (s == NULL) { - return NULL; - } - end = memchr(s, '\0', n); - if (end != NULL) - n = end - s; - res = apr_palloc(a, n + 1); - memcpy(res, s, n); - res[n] = '\0'; - return res; -} - -APR_DECLARE(char *) apr_pstrmemdup(apr_pool_t *a, const char *s, apr_size_t n) -{ - char *res; - - if (s == NULL) { - return NULL; - } - res = apr_palloc(a, n + 1); - memcpy(res, s, n); - res[n] = '\0'; - return res; -} - -APR_DECLARE(void *) apr_pmemdup(apr_pool_t *a, const void *m, apr_size_t n) -{ - void *res; - - if (m == NULL) - return NULL; - res = apr_palloc(a, n); - memcpy(res, m, n); - return res; -} - -APR_DECLARE_NONSTD(char *) apr_pstrcat(apr_pool_t *a, ...) -{ - char *cp, *argp, *res; - apr_size_t saved_lengths[MAX_SAVED_LENGTHS]; - int nargs = 0; - - /* Pass one --- find length of required string */ - - apr_size_t len = 0; - va_list adummy; - - va_start(adummy, a); - - while ((cp = va_arg(adummy, char *)) != NULL) { - apr_size_t cplen = strlen(cp); - if (nargs < MAX_SAVED_LENGTHS) { - saved_lengths[nargs++] = cplen; - } - len += cplen; - } - - va_end(adummy); - - /* Allocate the required string */ - - res = (char *) apr_palloc(a, len + 1); - cp = res; - - /* Pass two --- copy the argument strings into the result space */ - - va_start(adummy, a); - - nargs = 0; - while ((argp = va_arg(adummy, char *)) != NULL) { - if (nargs < MAX_SAVED_LENGTHS) { - len = saved_lengths[nargs++]; - } - else { - len = strlen(argp); - } - - memcpy(cp, argp, len); - cp += len; - } - - va_end(adummy); - - /* Return the result string */ - - *cp = '\0'; - - return res; -} - -APR_DECLARE(char *) apr_pstrcatv(apr_pool_t *a, const struct iovec *vec, - apr_size_t nvec, apr_size_t *nbytes) -{ - apr_size_t i; - apr_size_t len; - const struct iovec *src; - char *res; - char *dst; - - /* Pass one --- find length of required string */ - len = 0; - src = vec; - for (i = nvec; i; i--) { - len += src->iov_len; - src++; - } - if (nbytes) { - *nbytes = len; - } - - /* Allocate the required string */ - res = (char *) apr_palloc(a, len + 1); - - /* Pass two --- copy the argument strings into the result space */ - src = vec; - dst = res; - for (i = nvec; i; i--) { - memcpy(dst, src->iov_base, src->iov_len); - dst += src->iov_len; - src++; - } - - /* Return the result string */ - *dst = '\0'; - - return res; -} - -#if (!APR_HAVE_MEMCHR) -void *memchr(const void *s, int c, size_t n) -{ - const char *cp; - - for (cp = s; n > 0; n--, cp++) { - if (*cp == c) - return (char *) cp; /* Casting away the const here */ - } - - return NULL; -} -#endif - -#ifndef INT64_MAX -#define INT64_MAX APR_INT64_C(0x7fffffffffffffff) -#endif -#ifndef INT64_MIN -#define INT64_MIN (-APR_INT64_C(0x7fffffffffffffff) - APR_INT64_C(1)) -#endif - -APR_DECLARE(apr_int64_t) apr_strtoi64(const char *nptr, char **endptr, int base) -{ -#if (APR_HAVE_INT64_STRFN) - return APR_INT64_STRFN(nptr, endptr, base); -#else - const char *s; - apr_int64_t acc; - apr_int64_t val; - int neg, any; - char c; - - /* - * Skip white space and pick up leading +/- sign if any. - * If base is 0, allow 0x for hex and 0 for octal, else - * assume decimal; if base is already 16, allow 0x. - */ - s = nptr; - do { - c = *s++; - } while (apr_isspace(c)); - if (c == '-') { - neg = 1; - c = *s++; - } else { - neg = 0; - if (c == '+') - c = *s++; - } - if ((base == 0 || base == 16) && - c == '0' && (*s == 'x' || *s == 'X')) { - c = s[1]; - s += 2; - base = 16; - } - if (base == 0) - base = c == '0' ? 8 : 10; - acc = any = 0; - if (base < 2 || base > 36) { - errno = EINVAL; - if (endptr != NULL) - *endptr = (char *)(any ? s - 1 : nptr); - return acc; - } - - /* The classic bsd implementation requires div/mod operators - * to compute a cutoff. Benchmarking proves that is very, very - * evil to some 32 bit processors. Instead, look for underflow - * in both the mult and add/sub operation. Unlike the bsd impl, - * we also work strictly in a signed int64 word as we haven't - * implemented the unsigned type in win32. - * - * Set 'any' if any `digits' consumed; make it negative to indicate - * overflow. - */ - val = 0; - for ( ; ; c = *s++) { - if (c >= '0' && c <= '9') - c -= '0'; -#if (('Z' - 'A') == 25) - else if (c >= 'A' && c <= 'Z') - c -= 'A' - 10; - else if (c >= 'a' && c <= 'z') - c -= 'a' - 10; -#elif APR_CHARSET_EBCDIC - else if (c >= 'A' && c <= 'I') - c -= 'A' - 10; - else if (c >= 'J' && c <= 'R') - c -= 'J' - 19; - else if (c >= 'S' && c <= 'Z') - c -= 'S' - 28; - else if (c >= 'a' && c <= 'i') - c -= 'a' - 10; - else if (c >= 'j' && c <= 'r') - c -= 'j' - 19; - else if (c >= 's' && c <= 'z') - c -= 'z' - 28; -#else -#error "CANNOT COMPILE apr_strtoi64(), only ASCII and EBCDIC supported" -#endif - else - break; - if (c >= base) - break; - val *= base; - if ( (any < 0) /* already noted an over/under flow - short circuit */ - || (neg && (val > acc || (val -= c) > acc)) /* underflow */ - || (!neg && (val < acc || (val += c) < acc))) { /* overflow */ - any = -1; /* once noted, over/underflows never go away */ -#ifdef APR_STRTOI64_OVERFLOW_IS_BAD_CHAR - break; -#endif - } else { - acc = val; - any = 1; - } - } - - if (any < 0) { - acc = neg ? INT64_MIN : INT64_MAX; - errno = ERANGE; - } else if (!any) { - errno = EINVAL; - } - if (endptr != NULL) - *endptr = (char *)(any ? s - 1 : nptr); - return (acc); -#endif -} - -APR_DECLARE(apr_int64_t) apr_atoi64(const char *buf) -{ - return apr_strtoi64(buf, NULL, 10); -} - -APR_DECLARE(char *) apr_itoa(apr_pool_t *p, int n) -{ - const int BUFFER_SIZE = sizeof(int) * 3 + 2; - char *buf = apr_palloc(p, BUFFER_SIZE); - char *start = buf + BUFFER_SIZE - 1; - int negative; - if (n < 0) { - negative = 1; - n = -n; - } - else { - negative = 0; - } - *start = 0; - do { - *--start = '0' + (n % 10); - n /= 10; - } while (n); - if (negative) { - *--start = '-'; - } - return start; -} - -APR_DECLARE(char *) apr_ltoa(apr_pool_t *p, long n) -{ - const int BUFFER_SIZE = sizeof(long) * 3 + 2; - char *buf = apr_palloc(p, BUFFER_SIZE); - char *start = buf + BUFFER_SIZE - 1; - int negative; - if (n < 0) { - negative = 1; - n = -n; - } - else { - negative = 0; - } - *start = 0; - do { - *--start = (char)('0' + (n % 10)); - n /= 10; - } while (n); - if (negative) { - *--start = '-'; - } - return start; -} - -APR_DECLARE(char *) apr_off_t_toa(apr_pool_t *p, apr_off_t n) -{ - const int BUFFER_SIZE = sizeof(apr_off_t) * 3 + 2; - char *buf = apr_palloc(p, BUFFER_SIZE); - char *start = buf + BUFFER_SIZE - 1; - int negative; - if (n < 0) { - negative = 1; - n = -n; - } - else { - negative = 0; - } - *start = 0; - do { - *--start = '0' + (char)(n % 10); - n /= 10; - } while (n); - if (negative) { - *--start = '-'; - } - return start; -} - -APR_DECLARE(char *) apr_strfsize(apr_off_t size, char *buf) -{ - const char ord[] = "KMGTPE"; - const char *o = ord; - int remain; - - if (size < 0) { - return strcpy(buf, " - "); - } - if (size < 973) { - if (apr_snprintf(buf, 5, "%3d ", (int) size) < 0) - return strcpy(buf, "****"); - return buf; - } - do { - remain = (int)(size & 1023); - size >>= 10; - if (size >= 973) { - ++o; - continue; - } - if (size < 9 || (size == 9 && remain < 973)) { - if ((remain = ((remain * 5) + 256) / 512) >= 10) - ++size, remain = 0; - if (apr_snprintf(buf, 5, "%d.%d%c", (int) size, remain, *o) < 0) - return strcpy(buf, "****"); - return buf; - } - if (remain >= 512) - ++size; - if (apr_snprintf(buf, 5, "%3d%c", (int) size, *o) < 0) - return strcpy(buf, "****"); - return buf; - } while (1); -} - |