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46 lines
1.2 KiB
C
46 lines
1.2 KiB
C
// Copyright 2005-2016 The Mumble Developers. All rights reserved.
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// Use of this source code is governed by a BSD-style license
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// that can be found in the LICENSE file at the root of the
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// Mumble source tree or at <https://www.mumble.info/LICENSE>.
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#ifndef MUMBLE_MUMBLE_PLUGIN_UTILS_H_
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#define MUMBLE_MUMBLE_PLUGIN_UTILS_H_
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// escape lossily converts the given
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// string to ASCII, replacing any
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// character not within the printable
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// ASCII region (32-126) with an ASCII
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// space character.
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//
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// escape also replaces any double quote
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// characters with an ASCII space. This
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// allows the string to be safely used
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// when constructing JSON documents via
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// string concatenation.
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static void escape(char *str) {
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char *c = str;
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while (*c != '\0') {
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// For JSON compatibility, the string
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// can't contain double quotes.
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// If a double quote is found, replace
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// it with an ASCII space.
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if (*c == '"') {
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*c = ' ';
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}
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// Ensure the string is within printable
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// ASCII. If not, replace the offending
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// byte with an ASCII space.
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if (*c < 32) {
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*c = ' ';
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} else if (*c > 126) {
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*c = ' ';
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}
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c += 1;
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}
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}
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#endif
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