Function pj_vlog

ThirdParty/libproj/vtklibproj/src/log.cpp:53–81

void pj_vlog( PJ_CONTEXT *ctx, int level, const char *fmt, va_list args );

void pj_vlog( PJ_CONTEXT *ctx, int level, const char *fmt, va_list args )

{
    char *msg_buf;
    int debug_level = ctx->debug_level;
    int shutup_unless_errno_set = debug_level < 0;

    /* For negative debug levels, we first start logging when errno is set */
    if (ctx->last_errno==0 && shutup_unless_errno_set)
        return;

    if (debug_level < 0)
        debug_level = -debug_level;

    if( level > debug_level )
        return;

    constexpr size_t BUF_SIZE = 100000;
    msg_buf = (char *) malloc(BUF_SIZE);
    if( msg_buf == nullptr )
        return;

    vsnprintf( msg_buf, BUF_SIZE, fmt, args );
    msg_buf[BUF_SIZE-1] = '\0';

    ctx->logger( ctx->logger_app_data, level, msg_buf );

    free( msg_buf );
}


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