49 lines
1.7 KiB
C
49 lines
1.7 KiB
C
//
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// Copyright (c) 2017 The Altra64 project contributors
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// Portions (c) 2013 saturnu (Alt64) based on libdragon, Neo64Menu, ED64IO, libn64-hkz, libmikmod
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// See LICENSE file in the project root for full license information.
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//
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#include "strlib.h"
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char *strcpytrim(char *d, // destination
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char *s, // source
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int mode,
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char *delim
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) {
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char *o = d; // save orig
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char *e = 0; // end space ptr.
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char dtab[256] = {0};
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if (!s || !d) return 0;
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if (!delim) delim = " \t\n\f";
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while (*delim)
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dtab[*delim++] = 1;
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while ( (*d = *s++) != 0 ) {
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if (!dtab[*d]) { // Not a match char
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e = 0; // Reset end pointer
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} else {
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if (!e) e = d; // Found first match.
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if ( mode == STRLIB_MODE_ALL || ((mode != STRLIB_MODE_RIGHT) && (d == o)) )
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continue;
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}
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d++;
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}
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if (mode != STRLIB_MODE_LEFT && e) { // for everything but trim_left, delete trailing matches.
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*e = 0;
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}
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return o;
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}
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// perhaps these could be inlined in strlib.h
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char *strtriml(char *d, char *s) { return strcpytrim(d, s, STRLIB_MODE_LEFT, 0); }
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char *strtrimr(char *d, char *s) { return strcpytrim(d, s, STRLIB_MODE_RIGHT, 0); }
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char *strtrim(char *d, char *s) { return strcpytrim(d, s, STRLIB_MODE_BOTH, 0); }
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char *strstrlibkill(char *d, char *s) { return strcpytrim(d, s, STRLIB_MODE_ALL, 0); }
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char *triml(char *s) { return strcpytrim(s, s, STRLIB_MODE_LEFT, 0); }
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char *trimr(char *s) { return strcpytrim(s, s, STRLIB_MODE_RIGHT, 0); }
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char *trim(char *s) { return strcpytrim(s, s, STRLIB_MODE_BOTH, 0); }
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char *strlibkill(char *s) { return strcpytrim(s, s, STRLIB_MODE_ALL, 0); } |