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bfderle.c
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bfderle.c
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/* asm2bf
*
* Copyright (C) K. Palaiologos Szewczyk, 2017-2020.
* License: MIT
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy,
* modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
* WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include <string.h>
#include <ctype.h>
#include <stdio.h>
#include "config.h"
#define STYLE_POSTFIX 1
#define STYLE_PREFIX 0
int main(int argc, char * argv[]) {
int style = STYLE_POSTFIX, c, z;
unsigned long n = 0;
if(argc == 2) {
if(!strcmp("-postfix", argv[1]))
style = STYLE_POSTFIX;
else if(!strcmp("-prefix", argv[1]))
style = STYLE_PREFIX;
}
while((c = getchar()) != EOF) {
if(style == STYLE_PREFIX) {
z = getchar();
if(isdigit(z)) {
n = 0;
while(isdigit(z)) {
n += z - '0';
n *= 10;
z = getchar();
}
n /= 10;
ungetc(z, stdin);
while(n --> 0)
putchar(c);
} else {
putchar(c);
ungetc(z, stdin);
}
} else {
if(!isdigit(c))
n = 10;
else
n = 0;
while(isdigit(c)) {
n += c - '0';
n *= 10;
c = getchar();
}
n /= 10;
while(n --> 0)
putchar(c);
}
}
}