/*
******** biffDone()
**
** frees everything associated with given key, and shrinks list of keys,
** and calls _bmsgFinish() if there are no keys left
*/
void
biffDone(const char *key) {
static const char me[]="biffDone";
unsigned int idx;
biffMsg *msg;
_bmsgStart();
msg = _bmsgFind(key);
if (!msg) {
fprintf(stderr, "%s: WARNING: no information for key \"%s\"\n", me, key);
return;
}
idx = _bmsgFindIdx(msg);
biffMsgNix(msg);
if (_bmsgNum > 1) {
/* if we have more than one key in action, move the last biffMsg
to the position that was just cleared up */
_bmsg[idx] = _bmsg[_bmsgNum-1];
}
airArrayLenIncr(_bmsgArr, -1);
/* if that was the last key, close shop */
if (!_bmsgArr->len) {
_bmsgFinish();
}
return;
}
/*
******** biffGet()
**
** creates a string which records all the errors at given key and
** returns it. Returns NULL in case of error. This function should
** be considered a glorified strdup(): it is the callers responsibility
** to free() this string later
*/
char *
biffGet(const char *key) {
static const char me[]="biffGet";
char *ret;
biffMsg *msg;
_bmsgStart();
msg = _bmsgFind(key);
if (!msg) {
static const char err[]="[%s] No information for this key!";
size_t errlen;
fprintf(stderr, "%s: WARNING: no information for key \"%s\"\n", me, key);
errlen = strlen(err)+strlen(key)+1;
ret = AIR_CALLOC(errlen, char);
if (!ret) {
fprintf(stderr, "%s: PANIC: unable to allocate buffer\n", me);
exit(1);
}
#if defined(WIN32) || defined(_WIN32)
_snprintf(ret, errlen, err, key);
#else
snprintf(ret, errlen, err, key);
#endif
return ret;
}
ret = AIR_CALLOC(biffMsgStrlen(msg)+1, char);
if (!ret) {
fprintf(stderr, "%s: PANIC: unable to allocate buffer\n", me);
exit(1);
}
biffMsgStrSet(ret, msg);
return ret;
}
/*
******** biffGet()
**
** creates a string which records all the errors at given key and
** returns it. Returns NULL in case of error. This function should
** be considered a glorified strdup(): it is the callers responsibility
** to free() this string later
*/
char * /*Teem: allocates char* */ /* this comment is an experiment */
biffGet(const char *key) {
static const char me[]="biffGet";
char *ret;
biffMsg *msg;
_bmsgStart();
msg = _bmsgFind(key);
if (!msg) {
static const char err[]="[%s] No information for this key!";
size_t errlen;
fprintf(stderr, "%s: WARNING: no information for key \"%s\"\n", me, key);
errlen = strlen(err)+strlen(key)+1;
ret = AIR_CALLOC(errlen, char);
if (!ret) {
fprintf(stderr, "%s: PANIC: unable to allocate buffer\n", me);
return NULL; /* exit(1); */
}
snprintf(ret, errlen, err, key);
return ret;
}
ret = AIR_CALLOC(biffMsgStrlen(msg)+1, char);
if (!ret) {
fprintf(stderr, "%s: PANIC: unable to allocate buffer\n", me);
return NULL; /* exit(1); */
}
biffMsgStrSet(ret, msg);
return ret;
}
/*
******** biffCheck()
**
** sees how many messages there are for a given key
** returns 0 if the key doesn't exist.
*/
size_t
biffCheck(const char *key) {
biffMsg *msg;
_bmsgStart();
msg = _bmsgFind(key);
if (!msg) {
return 0;
}
return msg->errNum;
}
void
biffMove(const char *destKey, const char *err, const char *srcKey) {
static const char me[]="biffMove";
biffMsg *dest, *src;
_bmsgStart();
dest = _bmsgAdd(destKey);
src = _bmsgFind(srcKey);
if (!src) {
fprintf(stderr, "%s: WARNING: key \"%s\" unknown\n", me, srcKey);
return;
}
biffMsgMove(dest, src, err);
return;
}
static void
_biffMoveVL(const char *destKey, const char *srcKey,
const char *errfmt, va_list args) {
static const char me[]="biffMovev";
biffMsg *dest, *src;
_bmsgStart();
dest = _bmsgAdd(destKey);
src = _bmsgFind(srcKey);
if (!src) {
fprintf(stderr, "%s: WARNING: key \"%s\" unknown\n", me, srcKey);
return;
}
_biffMsgMoveVL(dest, src, errfmt, args);
return;
}
/*
******** biffGetStrlen()
**
** for when you want to allocate the buffer for the biff string, this is
** how you learn its length
*/
int
biffGetStrlen(const char *key) {
static const char me[]="biffGetStrlen";
biffMsg *msg;
unsigned int len;
_bmsgStart();
msg = _bmsgFind(key);
if (!msg) {
fprintf(stderr, "%s: WARNING: no information for key \"%s\"\n", me, key);
return 0;
}
len = biffMsgStrlen(msg);
len += 1; /* GLK forgets if the convention is that the caller allocates
for one more to include '\0'; this is safer */
return len;
}
/*
******** biffSetStr()
**
** for when you want to allocate the buffer for the biff string, this is
** how you get the error message itself
*/
void
biffSetStr(char *str, const char *key) {
static const char me[]="biffSetStr";
biffMsg *msg;
if (!str) {
fprintf(stderr, "%s: ERROR: got NULL buffer for \"%s\"\n", me, key);
return;
}
_bmsgStart();
msg = _bmsgFind(key);
if (!msg) {
fprintf(stderr, "%s: WARNING: no information for key \"%s\"\n", me, key);
return;
}
biffMsgStrSet(str, msg);
return;
}
/*
******** biffCheck()
**
** sees how many messages there are for a given key;
** Note that this is just a simple wrapper around biffMsgErrNum
*/
unsigned int
biffCheck(const char *key) {
_bmsgStart();
return biffMsgErrNum(_bmsgFind(key));
}
