error.h File Reference

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Enumerations
enum	KlError {   KL_ERR_NONE = 0 , KL_ERR_INVALID_ARG , KL_ERR_ALLOC , KL_ERR_OVERFLOW ,   KL_ERR_SOCKET , KL_ERR_BIND , KL_ERR_LISTEN , KL_ERR_CONNECT ,   KL_ERR_IO , KL_ERR_TIMEOUT , KL_ERR_DNS , KL_ERR_TLS_INIT ,   KL_ERR_TLS_HANDSHAKE , KL_ERR_TLS_VTABLE , KL_ERR_URL , KL_ERR_PARSE ,   KL_ERR_TOO_LARGE , KL_ERR_HEADER , KL_ERR_EVENT_INIT , KL_ERR_EVENT_ADD ,   KL_ERR_QUEUE_FULL , KL_ERR_THREAD , KL_ERR_PIPE , KL_ERR_REDIRECT_LOOP ,   KL_ERR_COMPRESS , KL_ERR_PROXY , KL_ERR__COUNT }
	Diagnostic error codes for Keel public functions. More...

Functions
const char *	kl_strerror (KlError err)
	Return a short human-readable message for an error code.

Enumeration Type Documentation

KlError

enum KlError

Diagnostic error codes for Keel public functions.

Stored as a field on owning structs (KlServer, KlEventCtx, KlClientResponse, KlClient). Set at the point of return -1, defaults to KL_ERR_NONE (0) via existing memset initialization.

Enumerator
KL_ERR_NONE	No error
KL_ERR_INVALID_ARG	NULL pointer, negative count, bad params
KL_ERR_ALLOC	Allocator returned NULL
KL_ERR_OVERFLOW	Integer overflow guard tripped
KL_ERR_SOCKET	socket() or fcntl() failed
KL_ERR_BIND	bind() failed (EADDRINUSE, EACCES, etc.)
KL_ERR_LISTEN	listen() failed
KL_ERR_CONNECT	connect() failed or refused
KL_ERR_IO	read/write/send/recv error
KL_ERR_TIMEOUT	Operation timed out
KL_ERR_DNS	getaddrinfo / resolver error
KL_ERR_TLS_INIT	TLS factory returned NULL
KL_ERR_TLS_HANDSHAKE	TLS handshake failed
KL_ERR_TLS_VTABLE	TLS vtable missing required function
KL_ERR_URL	URL parse error or scheme mismatch
KL_ERR_PARSE	HTTP parse error
KL_ERR_TOO_LARGE	Request/response too large
KL_ERR_HEADER	CRLF injection or header build error
KL_ERR_EVENT_INIT	Event loop init failed
KL_ERR_EVENT_ADD	Event registration failed
KL_ERR_QUEUE_FULL	Thread pool queue at capacity
KL_ERR_THREAD	pthread_create failed
KL_ERR_PIPE	pipe() failed
KL_ERR_REDIRECT_LOOP	Too many redirects
KL_ERR_COMPRESS	Compression error
KL_ERR_PROXY	Proxy CONNECT rejected or protocol error
KL_ERR__COUNT	Sentinel — not an error code

Function Documentation

kl_strerror()

const char * kl_strerror

(

KlError

err

)

Return a short human-readable message for an error code.

Parameters

err	Error code.

Returns

Static string, never NULL. Returns "unknown error" for out-of-range.