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/* notmuch - Not much of an email program, (just index and search)
*
* Copyright © 2009 Scott Robinson
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see http://www.gnu.org/licenses/ .
*
* Authors: Scott Robinson <scott@quadhome.com>
*
*/
#include "notmuch-client.h"
/*
* json_quote_str derived from cJSON's print_string_ptr,
* Copyright (c) 2009 Dave Gamble
*/
char *
json_quote_str(const void *ctx, const char *str)
{
const char *ptr;
char *ptr2;
char *out;
int len = 0;
if (!str)
return NULL;
for (ptr = str; *ptr; len++, ptr++) {
if (*ptr < 32 || *ptr == '\"' || *ptr == '\\')
len++;
}
out = talloc_array (ctx, char, len + 3);
ptr = str;
ptr2 = out;
*ptr2++ = '\"';
while (*ptr) {
if (*ptr > 31 && *ptr != '\"' && *ptr != '\\') {
*ptr2++ = *ptr++;
} else {
*ptr2++ = '\\';
switch (*ptr++) {
case '\"': *ptr2++ = '\"'; break;
case '\\': *ptr2++ = '\\'; break;
case '\b': *ptr2++ = 'b'; break;
case '\f': *ptr2++ = 'f'; break;
case '\n': *ptr2++ = 'n'; break;
case '\r': *ptr2++ = 'r'; break;
case '\t': *ptr2++ = 't'; break;
default: ptr2--; break;
}
}
}
*ptr2++ = '\"';
*ptr2++ = '\0';
return out;
}
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