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https://github.com/samba-team/samba.git
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ee34c25c8a
Remove int toupper_ascii(int c); int tolower_ascii(int c); int isupper_ascii(int c); int islower_ascii(int c); and replace with their _m equivalents, as they are identical.
156 lines
3.5 KiB
C
156 lines
3.5 KiB
C
/*
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Unix SMB/CIFS implementation.
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Samba utility functions
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Copyright (C) Andrew Tridgell 1992-2001
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Copyright (C) Simo Sorce 2001-2002
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Copyright (C) Martin Pool 2003
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Copyright (C) James Peach 2005
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "includes.h"
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/**
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Do a case-insensitive, whitespace-ignoring string compare.
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**/
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_PUBLIC_ int strwicmp(const char *psz1, const char *psz2)
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{
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/* if BOTH strings are NULL, return TRUE, if ONE is NULL return */
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/* appropriate value. */
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if (psz1 == psz2)
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return (0);
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else if (psz1 == NULL)
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return (-1);
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else if (psz2 == NULL)
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return (1);
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/* sync the strings on first non-whitespace */
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while (1) {
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while (isspace((int)*psz1))
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psz1++;
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while (isspace((int)*psz2))
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psz2++;
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if (toupper_m((unsigned char)*psz1) != toupper_m((unsigned char)*psz2)
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|| *psz1 == '\0'
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|| *psz2 == '\0')
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break;
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psz1++;
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psz2++;
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}
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return (*psz1 - *psz2);
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}
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_PUBLIC_ size_t ucs2_align(const void *base_ptr, const void *p, int flags)
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{
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if (flags & (STR_NOALIGN|STR_ASCII))
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return 0;
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return PTR_DIFF(p, base_ptr) & 1;
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}
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/**
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String replace.
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NOTE: oldc and newc must be 7 bit characters
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**/
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void string_replace( char *s, char oldc, char newc )
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{
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char *p;
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/* this is quite a common operation, so we want it to be
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fast. We optimise for the ascii case, knowing that all our
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supported multi-byte character sets are ascii-compatible
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(ie. they match for the first 128 chars) */
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for (p = s; *p; p++) {
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if (*p & 0x80) /* mb string - slow path. */
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break;
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if (*p == oldc) {
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*p = newc;
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}
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}
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if (!*p)
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return;
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/* Slow (mb) path. */
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#ifdef BROKEN_UNICODE_COMPOSE_CHARACTERS
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/* With compose characters we must restart from the beginning. JRA. */
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p = s;
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#endif
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while (*p) {
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size_t c_size;
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next_codepoint(p, &c_size);
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if (c_size == 1) {
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if (*p == oldc) {
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*p = newc;
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}
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}
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p += c_size;
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}
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}
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/**
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Paranoid strcpy into a buffer of given length (includes terminating
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zero. Strips out all but 'a-Z0-9' and the character in other_safe_chars
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and replaces with '_'. Deliberately does *NOT* check for multibyte
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characters. Treats src as an array of bytes, not as a multibyte
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string. Any byte >0x7f is automatically converted to '_'.
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other_safe_chars must also contain an ascii string (bytes<0x7f).
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**/
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char *alpha_strcpy(char *dest,
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const char *src,
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const char *other_safe_chars,
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size_t maxlength)
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{
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size_t len, i;
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if (!dest) {
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smb_panic("ERROR: NULL dest in alpha_strcpy");
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}
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if (!src) {
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*dest = 0;
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return dest;
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}
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len = strlen(src);
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if (len >= maxlength)
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len = maxlength - 1;
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if (!other_safe_chars)
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other_safe_chars = "";
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for(i = 0; i < len; i++) {
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int val = (src[i] & 0xff);
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if (val > 0x7f) {
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dest[i] = '_';
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continue;
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}
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if (isupper(val) || islower(val) ||
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isdigit(val) || strchr(other_safe_chars, val))
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dest[i] = src[i];
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else
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dest[i] = '_';
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}
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dest[i] = '\0';
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return dest;
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}
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