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Message-ID: <cover.1764078543.git.alx@kernel.org>
Date: Tue, 25 Nov 2025 14:51:50 +0100
From: Alejandro Colomar <alx@...nel.org>
To: musl@...ts.openwall.com
Cc: Alejandro Colomar <alx@...nel.org>
Subject: [PATCH v1 0/1] include/string.h: Implement QChar wrappers
standardized in C23
Hi!
I've implemented the QChar const-correct macro wrappers around string
APIs. These were standardized in ISO C23.
I haven't implemented the QVoid ones, as they're more difficult to
implement.
Here's a small test I used to verify that this works.
alx@...uan:~/tmp$ cat strchr.c
#include <stdio.h>
#include <string.h>
int
main(int argc, const char *argv[argc + 1])
{
char *p;
p = strchr(argv[0], 'u');
puts(p);
const char *cp;
cp = strchr(argv[0], 'u');
puts(cp);
}
alx@...uan:~/tmp$ gcc strchr.c
alx@...uan:~/tmp$ ./a.out
ut
ut
alx@...uan:~/tmp$ gcc -I /opt/local/musl/libc/qchar/include/ strchr.c
strchr.c: In function ‘main’:
strchr.c:9:11: warning: assignment discards ‘const’ qualifier from pointer target type [-Wdiscarded-qualifiers]
9 | p = strchr(argv[0], 'u');
| ^
alx@...uan:~/tmp$ ./a.out
ut
ut
Have a lovely day!
Alex
Alejandro Colomar (1):
include/string.h: Implement QChar wrappers standardized in C23
include/string.h | 21 +++++++++++++++++++++
1 file changed, 21 insertions(+)
Range-diff against v0:
-: -------- > 1: 3cf2501c include/string.h: Implement QChar wrappers standardized in C23
--
2.51.0
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