/*
* Copyright (c) 2018, 2019 Stefan Sperling <stsp@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/* Error codes */
#define GOT_ERR_OK 0
#define GOT_ERR_ERRNO 1
#define GOT_ERR_NOT_GIT_REPO 2
#define GOT_ERR_NOT_ABSPATH 3
#define GOT_ERR_BAD_PATH 4
#define GOT_ERR_NOT_REF 5
#define GOT_ERR_IO 6
#define GOT_ERR_EOF 7
#define GOT_ERR_DECOMPRESSION 8
#define GOT_ERR_NO_SPACE 9
#define GOT_ERR_BAD_OBJ_HDR 10
#define GOT_ERR_OBJ_TYPE 11
#define GOT_ERR_BAD_OBJ_DATA 12
/* 13 is currently free for re-use */
#define GOT_ERR_BAD_PACKIDX 14
#define GOT_ERR_PACKIDX_CSUM 15
#define GOT_ERR_BAD_PACKFILE 16
#define GOT_ERR_NO_OBJ 17
#define GOT_ERR_NOT_IMPL 18
#define GOT_ERR_OBJ_NOT_PACKED 19
#define GOT_ERR_BAD_DELTA_CHAIN 20
#define GOT_ERR_BAD_DELTA 21
#define GOT_ERR_COMPRESSION 22
#define GOT_ERR_BAD_OBJ_ID_STR 23
#define GOT_ERR_WORKTREE_EXISTS 26
#define GOT_ERR_WORKTREE_META 27
#define GOT_ERR_WORKTREE_VERS 28
#define GOT_ERR_WORKTREE_BUSY 29
#define GOT_ERR_DIR_OBSTRUCTED 30
#define GOT_ERR_FILE_OBSTRUCTED 31
#define GOT_ERR_RECURSION 32
#define GOT_ERR_TIMEOUT 33
#define GOT_ERR_INTERRUPT 34
#define GOT_ERR_PRIVSEP_READ 35
#define GOT_ERR_PRIVSEP_LEN 36
#define GOT_ERR_PRIVSEP_PIPE 37
#define GOT_ERR_PRIVSEP_NO_FD 38
#define GOT_ERR_PRIVSEP_MSG 39
#define GOT_ERR_PRIVSEP_DIED 40
#define GOT_ERR_PRIVSEP_EXIT 41
#define GOT_ERR_PACK_OFFSET 42
#define GOT_ERR_OBJ_EXISTS 43
#define GOT_ERR_BAD_OBJ_ID 44
#define GOT_ERR_ITER_NEED_MORE 45
#define GOT_ERR_ITER_COMPLETED 46
#define GOT_ERR_RANGE 47
#define GOT_ERR_EXPECTED 48 /* for use in regress tests only */
#define GOT_ERR_CANCELLED 49
#define GOT_ERR_NO_TREE_ENTRY 50
#define GOT_ERR_FILEIDX_SIG 51
#define GOT_ERR_FILEIDX_VER 52
#define GOT_ERR_FILEIDX_CSUM 53
#define GOT_ERR_PATH_PREFIX 54
#define GOT_ERR_ANCESTRY 55
#define GOT_ERR_FILEIDX_BAD 56
#define GOT_ERR_BAD_REF_DATA 57
#define GOT_ERR_TREE_DUP_ENTRY 58
#define GOT_ERR_DIR_DUP_ENTRY 59
#define GOT_ERR_NOT_WORKTREE 60
static const struct got_error {
int code;
const char *msg;
} got_errors[] = {
{ GOT_ERR_OK, "no error occured?!?" },
{ GOT_ERR_ERRNO, "see errno" },
{ GOT_ERR_NOT_GIT_REPO, "no git repository found" },
{ GOT_ERR_NOT_ABSPATH, "absolute path expected" },
{ GOT_ERR_BAD_PATH, "bad path" },
{ GOT_ERR_NOT_REF, "no such reference found" },
{ GOT_ERR_IO, "input/output error" },
{ GOT_ERR_EOF, "unexpected end of file" },
{ GOT_ERR_DECOMPRESSION,"decompression failed" },
{ GOT_ERR_NO_SPACE, "buffer too small" },
{ GOT_ERR_BAD_OBJ_HDR, "bad object header" },
{ GOT_ERR_OBJ_TYPE, "wrong type of object" },
{ GOT_ERR_BAD_OBJ_DATA, "bad object data" },
{ 13, "unused error code" },
{ GOT_ERR_BAD_PACKIDX, "bad pack index file" },
{ GOT_ERR_PACKIDX_CSUM, "pack index file checksum error" },
{ GOT_ERR_BAD_PACKFILE, "bad pack file" },
{ GOT_ERR_NO_OBJ, "object not found" },
{ GOT_ERR_NOT_IMPL, "feature not implemented" },
{ GOT_ERR_OBJ_NOT_PACKED,"object is not packed" },
{ GOT_ERR_BAD_DELTA_CHAIN,"bad delta chain" },
{ GOT_ERR_BAD_DELTA, "bad delta" },
{ GOT_ERR_COMPRESSION, "compression failed" },
{ GOT_ERR_BAD_OBJ_ID_STR,"bad object id string" },
{ GOT_ERR_WORKTREE_EXISTS,"worktree already exists" },
{ GOT_ERR_WORKTREE_META,"bad worktree meta data" },
{ GOT_ERR_WORKTREE_VERS,"unsupported worktree format version" },
{ GOT_ERR_WORKTREE_BUSY,"worktree already locked" },
{ GOT_ERR_RECURSION, "recursion limit reached" },
{ GOT_ERR_TIMEOUT, "operation timed out" },
{ GOT_ERR_INTERRUPT, "operation interrupted" },
{ GOT_ERR_PRIVSEP_READ, "no data received in imsg" },
{ GOT_ERR_PRIVSEP_LEN, "unexpected amount of data received in imsg" },
{ GOT_ERR_PRIVSEP_PIPE, "privsep peer process closed pipe" },
{ GOT_ERR_PRIVSEP_NO_FD,"privsep file descriptor unavailable" },
{ GOT_ERR_PRIVSEP_MSG, "received unexpected privsep message" },
{ GOT_ERR_PRIVSEP_DIED, "unprivileged process died unexpectedly" },
{ GOT_ERR_PRIVSEP_EXIT, "bad exit code from unprivileged process" },
{ GOT_ERR_PACK_OFFSET, "bad offset in pack file" },
{ GOT_ERR_OBJ_EXISTS, "object already exists" },
{ GOT_ERR_BAD_OBJ_ID, "bad object id" },
{ GOT_ERR_ITER_NEED_MORE,"more items needed to continue iteration" },
{ GOT_ERR_ITER_COMPLETED,"iteration completed" },
{ GOT_ERR_RANGE, "value out of range" },
{ GOT_ERR_EXPECTED, "expected an error but have no error" },
{ GOT_ERR_CANCELLED, "operation in progress has been cancelled" },
{ GOT_ERR_NO_TREE_ENTRY,"no such entry found in tree" },
{ GOT_ERR_FILEIDX_SIG, "bad file index signature" },
{ GOT_ERR_FILEIDX_VER, "unknown file index format version" },
{ GOT_ERR_FILEIDX_CSUM, "bad file index checksum" },
{ GOT_ERR_PATH_PREFIX, "worktree already contains items from a "
"different path prefix" },
{ GOT_ERR_ANCESTRY, "specified commit does not share ancestry with "
"the current branch" },
{ GOT_ERR_FILEIDX_BAD, "file index is corrupt" },
{ GOT_ERR_BAD_REF_DATA, "could not parse reference data" },
{ GOT_ERR_TREE_DUP_ENTRY,"duplicate entry in tree object" },
{ GOT_ERR_DIR_DUP_ENTRY,"duplicate entry in directory" },
{ GOT_ERR_NOT_WORKTREE, "no got work tree found" },
};
/*
* Get an error object from the above list, for a given error code.
* The error message is fixed.
*/
const struct got_error *got_error(int);
/*
* Get an error object from the above list, for a given error code.
* Use the specified error message instead of the default one.
* Caution: If the message buffer lives in dynamically allocated memory,
* then this memory likely won't be freed.
*/
const struct got_error *got_error_msg(int, const char *);
/*
* Get a statically allocated error object with code GOT_ERR_ERRNO
* and an error message obtained from strerror(3).
*/
const struct got_error *got_error_from_errno(void);
/*
* Set errno to the specified error code and return a statically
* allocated error object with code GOT_ERR_ERRNO and an error
* message obtained from strerror(3).
*/
const struct got_error *got_error_set_errno(int);
/*
* If ferror(3) indicates an error status for the FILE, obtain an error
* from got_error_from_errno(). Else, obtain the error via got_error()
* with the error code provided in the second argument.
*/
const struct got_error *got_ferror(FILE *, int);
/*
* Obtain an error with code GOT_ERR_NO_OBJ and an error message which
* contains the specified object ID. The message buffer is statically
* allocated; future invocations of this function will overwrite the
* message set during earlier invocations.
*/
struct got_object_id; /* forward declaration */
const struct got_error *got_error_no_obj(struct got_object_id *);
/*
* Obtain an error with code GOT_ERR_NOT_REF and an error message which
* contains the specified reference name. The message buffer is statically
* allocated; future invocations of this function will overwrite the
* message set during earlier invocations.
*/
const struct got_error *got_error_not_ref(const char *);
