diff options
Diffstat (limited to 'contrib/bind9/lib/isc/string.c')
| -rw-r--r-- | contrib/bind9/lib/isc/string.c | 270 |
1 files changed, 0 insertions, 270 deletions
diff --git a/contrib/bind9/lib/isc/string.c b/contrib/bind9/lib/isc/string.c deleted file mode 100644 index c09fa4f..0000000 --- a/contrib/bind9/lib/isc/string.c +++ /dev/null @@ -1,270 +0,0 @@ -/* - * Copyright (C) 2004-2006 Internet Systems Consortium, Inc. ("ISC") - * Copyright (C) 1999-2001, 2003 Internet Software Consortium. - * - * Permission to use, copy, modify, and distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH - * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY - * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, - * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM - * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE - * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR - * PERFORMANCE OF THIS SOFTWARE. - */ - -/* $Id: string.c,v 1.10.18.7 2006/10/03 23:50:51 marka Exp $ */ - -/*! \file */ - -#include <config.h> - -#include <ctype.h> - -#include <isc/mem.h> -#include <isc/print.h> -#include <isc/region.h> -#include <isc/string.h> -#include <isc/util.h> - -static char digits[] = "0123456789abcdefghijklmnoprstuvwxyz"; - -isc_uint64_t -isc_string_touint64(char *source, char **end, int base) { - isc_uint64_t tmp; - isc_uint64_t overflow; - char *s = source; - char *o; - char c; - - if ((base < 0) || (base == 1) || (base > 36)) { - *end = source; - return (0); - } - - while (*s != 0 && isascii(*s&0xff) && isspace(*s&0xff)) - s++; - if (*s == '+' /* || *s == '-' */) - s++; - if (base == 0) { - if (*s == '0' && (*(s+1) == 'X' || *(s+1) == 'x')) { - s += 2; - base = 16; - } else if (*s == '0') - base = 8; - else - base = 10; - } - if (*s == 0) { - *end = source; - return (0); - } - overflow = ~0; - overflow /= base; - tmp = 0; - - while ((c = *s) != 0) { - c = tolower(c&0xff); - /* end ? */ - if ((o = strchr(digits, c)) == NULL) { - *end = s; - return (tmp); - } - /* end ? */ - if ((o - digits) >= base) { - *end = s; - return (tmp); - } - /* overflow ? */ - if (tmp > overflow) { - *end = source; - return (0); - } - tmp *= base; - /* overflow ? */ - if ((tmp + (o - digits)) < tmp) { - *end = source; - return (0); - } - tmp += o - digits; - s++; - } - *end = s; - return (tmp); -} - -isc_result_t -isc_string_copy(char *target, size_t size, const char *source) { - REQUIRE(size > 0U); - - if (strlcpy(target, source, size) >= size) { - memset(target, ISC_STRING_MAGIC, size); - return (ISC_R_NOSPACE); - } - - ENSURE(strlen(target) < size); - - return (ISC_R_SUCCESS); -} - -void -isc_string_copy_truncate(char *target, size_t size, const char *source) { - REQUIRE(size > 0U); - - strlcpy(target, source, size); - - ENSURE(strlen(target) < size); -} - -isc_result_t -isc_string_append(char *target, size_t size, const char *source) { - REQUIRE(size > 0U); - REQUIRE(strlen(target) < size); - - if (strlcat(target, source, size) >= size) { - memset(target, ISC_STRING_MAGIC, size); - return (ISC_R_NOSPACE); - } - - ENSURE(strlen(target) < size); - - return (ISC_R_SUCCESS); -} - -void -isc_string_append_truncate(char *target, size_t size, const char *source) { - REQUIRE(size > 0U); - REQUIRE(strlen(target) < size); - - strlcat(target, source, size); - - ENSURE(strlen(target) < size); -} - -isc_result_t -isc_string_printf(char *target, size_t size, const char *format, ...) { - va_list args; - size_t n; - - REQUIRE(size > 0U); - - va_start(args, format); - n = vsnprintf(target, size, format, args); - va_end(args); - - if (n >= size) { - memset(target, ISC_STRING_MAGIC, size); - return (ISC_R_NOSPACE); - } - - ENSURE(strlen(target) < size); - - return (ISC_R_SUCCESS); -} - -void -isc_string_printf_truncate(char *target, size_t size, const char *format, ...) { - va_list args; - size_t n; - - REQUIRE(size > 0U); - - va_start(args, format); - n = vsnprintf(target, size, format, args); - va_end(args); - - ENSURE(strlen(target) < size); -} - -char * -isc_string_regiondup(isc_mem_t *mctx, const isc_region_t *source) { - char *target; - - REQUIRE(mctx != NULL); - REQUIRE(source != NULL); - - target = (char *) isc_mem_allocate(mctx, source->length + 1); - if (target != NULL) { - memcpy(source->base, target, source->length); - target[source->length] = '\0'; - } - - return (target); -} - -char * -isc_string_separate(char **stringp, const char *delim) { - char *string = *stringp; - char *s; - const char *d; - char sc, dc; - - if (string == NULL) - return (NULL); - - for (s = string; (sc = *s) != '\0'; s++) - for (d = delim; (dc = *d) != '\0'; d++) - if (sc == dc) { - *s++ = '\0'; - *stringp = s; - return (string); - } - *stringp = NULL; - return (string); -} - -size_t -isc_string_strlcpy(char *dst, const char *src, size_t size) -{ - char *d = dst; - const char *s = src; - size_t n = size; - - /* Copy as many bytes as will fit */ - if (n != 0U && --n != 0U) { - do { - if ((*d++ = *s++) == 0) - break; - } while (--n != 0U); - } - - /* Not enough room in dst, add NUL and traverse rest of src */ - if (n == 0U) { - if (size != 0U) - *d = '\0'; /* NUL-terminate dst */ - while (*s++) - ; - } - - return(s - src - 1); /* count does not include NUL */ -} - -size_t -isc_string_strlcat(char *dst, const char *src, size_t size) -{ - char *d = dst; - const char *s = src; - size_t n = size; - size_t dlen; - - /* Find the end of dst and adjust bytes left but don't go past end */ - while (n-- != 0U && *d != '\0') - d++; - dlen = d - dst; - n = size - dlen; - - if (n == 0U) - return(dlen + strlen(s)); - while (*s != '\0') { - if (n != 1U) { - *d++ = *s; - n--; - } - s++; - } - *d = '\0'; - - return(dlen + (s - src)); /* count does not include NUL */ -} |
