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[821] | 1 | /* vi: set sw=4 ts=4: */
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| 2 | /*
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| 3 | * Utility routines.
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| 4 | *
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| 5 | * Copyright (C) many different people.
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| 6 | * If you wrote this, please acknowledge your work.
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| 7 | *
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| 8 | * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
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| 9 | */
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| 10 |
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| 11 | #include "libbb.h"
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| 12 |
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| 13 | void trim(char *s)
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| 14 | {
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| 15 | size_t len = strlen(s);
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| 16 | size_t lws;
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| 17 |
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| 18 | /* trim trailing whitespace */
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| 19 | while (len && isspace(s[len-1])) --len;
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| 20 |
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| 21 | /* trim leading whitespace */
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[1765] | 22 | if (len) {
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[821] | 23 | lws = strspn(s, " \n\r\t\v");
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| 24 | memmove(s, s + lws, len -= lws);
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| 25 | }
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[1765] | 26 | s[len] = '\0';
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[821] | 27 | }
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