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53140724f1
These have not been moved in common, as they are not talloc-based, but it helps with dependencies if these are seperated from the rest of util_str.c Andrew Bartlett
78 lines
1.7 KiB
C
78 lines
1.7 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 2006
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Copyright (C) Jeremy Allison 1992-2007
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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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/* this is used to prevent lots of mallocs of size 1 */
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static const char null_string[] = "";
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/**
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Set a string value, allocing the space for the string
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**/
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static bool string_init(char **dest,const char *src)
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{
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size_t l;
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if (!src)
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src = "";
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l = strlen(src);
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if (l == 0) {
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*dest = discard_const_p(char, null_string);
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} else {
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(*dest) = SMB_STRDUP(src);
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if ((*dest) == NULL) {
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DEBUG(0,("Out of memory in string_init\n"));
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return false;
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}
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}
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return(true);
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}
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/**
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Free a string value.
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**/
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void string_free(char **s)
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{
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if (!s || !(*s))
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return;
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if (*s == null_string)
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*s = NULL;
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SAFE_FREE(*s);
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}
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/**
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Set a string value, deallocating any existing space, and allocing the space
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for the string
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**/
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bool string_set(char **dest,const char *src)
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{
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string_free(dest);
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return(string_init(dest,src));
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}
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