JReadBool

Documentation

API Reference

JReadBool

Description

Read a boolean value (“true” or “false”) from input string.

Parameters

Name	Direction	Description
`si`	in	Current reading position in input string
`b`	out	Pointer to bool to store parsed result

Success

Returns StrIter advanced past parsed boolean

Failure

Returns original StrIter if invalid or unrecognized value

Usage example (Cross-references)

Usage examples (Cross-references)

In JSON.h:385:

        do {                                                                                                               \
            bool UNPL(my_b) = 0;                                                                                           \
            si              = JReadBool((si), &UNPL(my_b));                                                                \
            (b)             = UNPL(my_b);                                                                                  \
        } while (0)

In JSON.h:408:

            if (!StrCmp(&key, (k))) {                                                                                      \
                bool UNPL(my_b) = 0;                                                                                       \
                si              = JReadBool((si), &UNPL(my_b));                                                            \
                (b)             = UNPL(my_b);                                                                              \
            }                                                                                                              \

In JSON.c:496:

    }
    
    StrIter JReadBool(StrIter si, bool *b) {
        if (!StrIterRemainingLength(&si)) {
            return si;

In JSON.c:599:

            StrIter before_si = si;
            bool    b;
            si = JReadBool(si, &b);
    
            if (StrIterIndex(&si) == StrIterIndex(&before_si)) {

In Read.EdgeCases.c:785:

            StrIter si  = StrIterFromStr(j);
            bool    b   = true;
            StrIter out = JReadBool(si, &b);
            if (StrIterIndex(&out) != StrIterIndex(&si)) {
                WriteFmtLn("[DEBUG] JReadBool advanced on malformed 'tru3'");

In Read.EdgeCases.c:787:

            StrIter out = JReadBool(si, &b);
            if (StrIterIndex(&out) != StrIterIndex(&si)) {
                WriteFmtLn("[DEBUG] JReadBool advanced on malformed 'tru3'");
                success = false;
            }

In Read.EdgeCases.c:796:

            StrIter si  = StrIterFromStr(j);
            bool    b   = true;
            StrIter out = JReadBool(si, &b);
            if (StrIterIndex(&out) != StrIterIndex(&si)) {
                WriteFmtLn("[DEBUG] JReadBool advanced on malformed 'fXlse'");

In Read.EdgeCases.c:798:

            StrIter out = JReadBool(si, &b);
            if (StrIterIndex(&out) != StrIterIndex(&si)) {
                WriteFmtLn("[DEBUG] JReadBool advanced on malformed 'fXlse'");
                success = false;
            }

In Read.EdgeCases.c:808:

            StrIter si  = StrIterFromStr(j);
            bool    b   = true;
            StrIter out = JReadBool(si, &b);
            if (StrIterIndex(&out) != StrIterIndex(&si)) {
                WriteFmtLn("[DEBUG] JReadBool advanced on too-short 'tr'");

In Read.EdgeCases.c:810:

            StrIter out = JReadBool(si, &b);
            if (StrIterIndex(&out) != StrIterIndex(&si)) {
                WriteFmtLn("[DEBUG] JReadBool advanced on too-short 'tr'");
                success = false;
            }

In Read.EdgeCases.c:843:

            StrIter si  = StrIterFromStr(j);
            bool    b   = false;
            StrIter out = JReadBool(si, &b);
            // value correct and exactly 4 bytes consumed
            if (!(b == true && StrIterIndex(&out) == 4)) {

In Read.EdgeCases.c:846:

            // value correct and exactly 4 bytes consumed
            if (!(b == true && StrIterIndex(&out) == 4)) {
                WriteFmtLn("[DEBUG] JReadBool 'true' value/advance wrong: b={}, idx={}", b, StrIterIndex(&out));
                success = false;
            }

In Read.EdgeCases.c:855:

            StrIter si  = StrIterFromStr(j);
            bool    b   = true;
            StrIter out = JReadBool(si, &b);
            if (!(b == false && StrIterIndex(&out) == 5)) {
                WriteFmtLn("[DEBUG] JReadBool 'false' value/advance wrong: b={}, idx={}", b, StrIterIndex(&out));

In Read.EdgeCases.c:857:

            StrIter out = JReadBool(si, &b);
            if (!(b == false && StrIterIndex(&out) == 5)) {
                WriteFmtLn("[DEBUG] JReadBool 'false' value/advance wrong: b={}, idx={}", b, StrIterIndex(&out));
                success = false;
            }

In Read.EdgeCases.c:881:

            StrIter si  = StrIterFromStr(j);
            bool    b   = false;
            StrIter out = JReadBool(si, &b);
            if (!(b == true && StrIterIndex(&out) == 4)) {
                WriteFmtLn("[DEBUG] JReadBool exact 'true' wrong: b={}, idx={}", b, StrIterIndex(&out));

In Read.EdgeCases.c:883:

            StrIter out = JReadBool(si, &b);
            if (!(b == true && StrIterIndex(&out) == 4)) {
                WriteFmtLn("[DEBUG] JReadBool exact 'true' wrong: b={}, idx={}", b, StrIterIndex(&out));
                success = false;
            }

In Read.EdgeCases.c:892:

            StrIter si  = StrIterFromStr(j);
            bool    b   = true;
            StrIter out = JReadBool(si, &b);
            if (!(b == false && StrIterIndex(&out) == 5)) {
                WriteFmtLn("[DEBUG] JReadBool exact 'false' wrong: b={}, idx={}", b, StrIterIndex(&out));

In Read.EdgeCases.c:894:

            StrIter out = JReadBool(si, &b);
            if (!(b == false && StrIterIndex(&out) == 5)) {
                WriteFmtLn("[DEBUG] JReadBool exact 'false' wrong: b={}, idx={}", b, StrIterIndex(&out));
                success = false;
            }

Last updated on July 1, 2026

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