kopia lustrzana https://github.com/jamescoxon/dl-fldigi
72 wiersze
2.1 KiB
C++
72 wiersze
2.1 KiB
C++
//
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// flnfc_common.cxx -- common string subs for Fl_Native_File_Chooser
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//
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// Copyright 2004 by Greg Ercolano.
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Library General Public
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// License as published by the Free Software Foundation; either
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// version 2 of the License, or (at your option) any later version.
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//
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// This library 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 GNU
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// Library General Public License for more details.
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//
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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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#include <string.h>
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// COPY A STRING WITH 'new'
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// Value can be NULL
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//
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static char *strnew(const char *val) {
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if ( val == NULL ) return(NULL);
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char *s = new char[strlen(val)+1];
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strcpy(s, val);
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return(s);
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}
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// FREE STRING CREATED WITH strnew(), NULLS OUT STRING
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// Value can be NULL
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//
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static char *strfree(char *val) {
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if ( val ) delete [] val;
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return(NULL);
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}
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#ifndef __WOE32__
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// 'DYNAMICALLY' APPEND ONE STRING TO ANOTHER
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// Returns newly allocated string, or NULL
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// if s && val == NULL.
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// 's' can be NULL; returns a strnew(val).
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// 'val' can be NULL; s is returned unmodified.
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//
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// Usage:
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// char *s = strnew("foo"); // s = "foo"
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// s = strapp(s, "bar"); // s = "foobar"
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//
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static char *strapp(char *s, const char *val) {
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if ( ! val ) {
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return(s); // Nothing to append? return s
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}
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if ( ! s ) {
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return(strnew(val)); // New string? return copy of val
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}
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char *news = new char[strlen(s)+strlen(val)+1];
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strcpy(news, s);
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strcat(news, val);
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delete [] s; // delete old string
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return(news); // return new copy
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}
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#endif
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// APPEND A CHARACTER TO A STRING
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// This does NOT allocate space for the new character.
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//
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static void chrcat(char *s, char c) {
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char tmp[2] = { c, '\0' };
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strcat(s, tmp);
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}
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