42/42_EXT_01_dr_quine
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fix mismatch xstr vs str

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Hugo LAMY
2025-01-04 11:30:57 +01:00
parent acd99e3e30
commit 15beb4aa3f
3 changed files with 22 additions and 22 deletions
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24
notes.md
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@@ -341,28 +341,28 @@ int main()
```
#include <stdio.h>
#define xstr(s) #s
#define str(s) xstr(s)
#define str(s) #s
#define xstr(s) str(s)
#define MAIN(s) \
int main() \
{ \
char *quine = "#include <stdio.h>\n#define xstr(s) #s\n#define str(s) xstr(s)\n#define MAIN(s) " \
char *quine = "#include <stdio.h>\n#define str(s) #s\n#define xstr(s) str(s)\n#define MAIN(s) " \
s \
"\n\nMAIN(str(MAIN(s)))\n"; \
"\n\nMAIN(xstr(MAIN(s)))\n"; \
printf(quine); \
return 0; \
}
MAIN(str(MAIN(s)))
MAIN(xstr(MAIN(s)))
```
**expands to :**
```
int main()
{
char *quine = "#include <stdio.h>\n#define xstr(s) #s\n#define str(s) xstr(s)\n#define MAIN(s) "
"int main() { char *quine = \"#include <stdio.h>\\n#define xstr(s) #s\\n#define str(s) xstr(s)\\n#define MAIN(s) \" s \"\\n\\nMAIN(str(MAIN(s)))\\n\"; printf(quine); return 0; }"
"\n\nMAIN(str(MAIN(s)))\n";
char *quine = "#include <stdio.h>\n#define str(s) #s\n#define xstr(s) str(s)\n#define MAIN(s) "
"int main() { char *quine = \"#include <stdio.h>\\n#define str(s) #s\\n#define xstr(s) str(s)\\n#define MAIN(s) \" s \"\\n\\nMAIN(xstr(MAIN(s)))\\n\"; printf(quine); return 0; }"
"\n\nMAIN(xstr(MAIN(s)))\n";
printf(quine);
return 0;
}
@@ -371,11 +371,11 @@ int main()
**output :**
```
#include <stdio.h>
#define xstr(s) #s
#define str(s) xstr(s)
#define MAIN(s) int main() { char *quine = "#include <stdio.h>\n#define xstr(s) #s\n#define str(s) xstr(s)\n#define MAIN(s) "s"\n\nMAIN(str(MAIN(s)))\n"; printf(quine); return 0; }
#define str(s) #s
#define xstr(s) str(s)
#define MAIN(s) int main() { char *quine = "#include <stdio.h>\n#define str(s) #s\n#define xstr(s) str(s)\n#define MAIN(s) "s"\n\nMAIN(xstr(MAIN(s)))\n"; printf(quine); return 0; }
MAIN(str(MAIN(s)))
MAIN(xstr(MAIN(s)))
```
**victory ;)**