/*      $NetBSD: msg_367.c,v 1.5 2026/04/20 22:17:08 rillig Exp $       */
# 3 "msg_367.c"

// Test for message: empty description in '%.*s' [367]

/*
 * Each bit or field or comparison value gets a description.  If such a
 * description is empty, the generated output will contain empty angle
 * brackets or multiple adjacent commas or commas adjacent to an angle
 * bracket, such as '<,,,,>'.
 */

/* lint1-extra-flags: -X 351 */

typedef typeof(sizeof(0)) size_t;
typedef unsigned long long uint64_t;

int snprintb(char *, size_t, const char *, uint64_t);

void
old_style(unsigned u32)
{
        char buf[64];

        /* expect+10: warning: empty description in '\001' [367] */
        /* expect+9: warning: empty description in '\002' [367] */
        /* expect+8: warning: empty description in '\003' [367] */
        /* expect+7: warning: empty description in '\004' [367] */
        snprintb(buf, sizeof(buf),
            "\020"
            "\001"
            "\002"
            "\003"
            "\004",
            u32);

        /* expect+10: warning: empty description in '\001' [367] */
        /* expect+9: warning: empty description in '\002' [367] */
        /* expect+8: warning: empty description in '\003' [367] */
        /* expect+7: warning: empty description in '\004' [367] */
        snprintb(buf, sizeof(buf),
            "\020"
            "\001" "" ""
            "\002" "" ""
            "\003" "" ""
            "\004" "" "",
            u32);

        // Single-letter descriptions are not empty.
        snprintb(buf, sizeof(buf),
            "\020"
            "\001a"
            "\002b"
            "\003c"
            "\004d",
            u32);
}

void
new_style(uint64_t u64)
{
        char buf[64];

        /* expect+4: warning: empty description in 'b\000\0' [367] */
        snprintb(buf, sizeof(buf),
            "\177\020"
            "b\000\0",
            u64);

        /* expect+4: warning: empty description in 'f\000\010\0' [367] */
        snprintb(buf, sizeof(buf),
            "\177\020"
            "f\000\010\0",
            u64);

        // No warning, as 'F' does not take a description.
        // If there were a description, it would simply be skipped.
        snprintb(buf, sizeof(buf),
            "\177\020"
            "F\000\010\0",
            u64);

        /* expect+4: warning: empty description in '=\000\0' [367] */
        snprintb(buf, sizeof(buf),
            "\177\020"
            "=\000\0",
            u64);

        /* expect+4: warning: empty description in ':\000\0' [367] */
        snprintb(buf, sizeof(buf),
            "\177\020"
            ":\000\0",
            u64);

        /* expect+4: warning: empty description in '*\0' [367] */
        snprintb(buf, sizeof(buf),
            "\177\020"
            "*\0",
            u64);

        // Single-letter descriptions are not empty.
        snprintb(buf, sizeof(buf),
            "\177\020"
            "b\000b\0"
            "f\001\001f\0"
            "F\002\002F\0"
                "=\000z\0"
                ":\001o\0"
                "*d\0",
            /* expect+1: warning: conversion '=' from '=\000z\0' does not mix with 'F' [386] */
            u64 >> 1);

        /* expect+6: warning: empty description in 'b\001""""""\0' [367] */
        /* expect+5: warning: empty description in 'b\003""""""\0' [367] */
        snprintb(buf, sizeof(buf),
            "\177\020"
            "b\001" "" "" "\0"
            "b\003" "" "" "\0",
            u64);
}