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// SPDX-FileCopyrightText: 2024 Tomasz Kramkowski <tomasz@kramkow.ski>
// SPDX-LicenseIdentifier: GPL-3.0-or-later
#include <stdio.h>
#include <string.h>
void escape(char *dest, const char *src)
{
for (size_t i = 0; src[i] != '\0'; i++) {
switch (src[i]) {
case '\t': *dest++ = '\\'; *dest++ = 't'; break;
case '\n': *dest++ = '\\'; *dest++ = 'n'; break;
case '"': *dest++ = '\\'; *dest++ = '"'; break;
case '\\': *dest++ = '\\'; *dest++ = '\\'; break;
default: *dest++ = src[i]; break;
}
}
*dest = '\0';
}
int main(void)
{
const char *program = "%s";
char escaped[strlen(program) * 2 + 1];
escape(escaped, program);
printf(program, escaped);
}
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