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/* rgxg - ReGular eXpression Generator
*
* Copyright (c) 2013 Hannes von Haugwitz
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event will the authors be held liable for any damages
* arising from the use of this software.
*
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute
* it freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you
* must not claim that you wrote the original software. If you use
* this software in a product, an acknowledgment in the product
* documentation would be appreciated but is not required.
*
* 2. Altered source versions must be plainly marked as such, and
* must not be misrepresented as being the original software.
*
* 3. This notice may not be removed or altered from any source
* distribution.
*/
#include "internal_utils.h"
/* needed for RGXG_ERROR_NEGARG */
#include "rgxg/types.h"
int internal_plain_number_base10 (long long number, char *regex) {
int n = 0;
long long m = number;
if (number < 0) {
n = RGXG_ERROR_NEGARG;
} else {
do {
++n;
m /= 10;
} while (m);
if (regex) {
int pos = n;
do {
regex[--pos] = '0' + (number%10);
number /= 10;
} while (number);
}
}
return n;
}
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