static void OpenPurgeFile(char const *fname, char const *mode)
{
DynamicBuffer fname_buf;
if (PurgeFP != NULL && PurgeFP != stdout) {
fclose(PurgeFP);
}
PurgeFP = NULL;
/* Do not open a purge file if we're below purge
include depth */
if (IStackPtr-2 >= PurgeIncludeDepth) {
PurgeFP = NULL;
return;
}
DBufInit(&fname_buf);
if (DBufPuts(&fname_buf, fname) != OK) return;
if (DBufPuts(&fname_buf, ".purged") != OK) return;
PurgeFP = fopen(DBufValue(&fname_buf), mode);
if (!PurgeFP) {
fprintf(ErrFp, "Cannot open `%s' for writing: %s\n", DBufValue(&fname_buf), strerror(errno));
}
DBufFree(&fname_buf);
}
/**********************************************************************
%FUNCTION: DBufGets
%ARGUMENTS:
dbuf -- pointer to a dynamic buffer
fp -- file to read from
%RETURNS:
OK or E_NO_MEM
%DESCRIPTION:
Reads an entire line from a file and appends to dbuf. Does not include
trailing newline.
**********************************************************************/
int DBufGets(DynamicBuffer *dbuf, FILE *fp)
{
char tmp[256]; /* Safe to hard-code */
int busy = 1;
int l;
DBufFree(dbuf);
/* Try reading the first few bytes right into the buffer --
we can usually save some unnecessary copying */
*(dbuf->buffer) = 0;
fgets(dbuf->buffer, dbuf->allocatedLen, fp);
if (!*(dbuf->buffer)) return OK;
dbuf->len = strlen(dbuf->buffer);
l = dbuf->len - 1;
if (dbuf->buffer[l] == '\n') {
dbuf->buffer[l] = 0;
dbuf->len = l;
return OK;
}
while(busy) {
*tmp = 0;
fgets(tmp, 256, fp);
if (!*tmp) return OK;
l = strlen(tmp) - 1;
if (tmp[l] == '\n') {
tmp[l] = 0;
busy = 0;
}
if (DBufPuts(dbuf, tmp) != OK) return E_NO_MEM;
}
return OK;
}
static int SetupGlobChain(char const *dirname, IncludeStruct *i)
{
DynamicBuffer pattern;
char *dir;
size_t l;
int r;
glob_t glob_buf;
DirectoryFilenameChain *dc = CachedDirectoryChains;
i->chain = NULL;
if (!*dirname) return E_CANT_OPEN;
dir = StrDup(dirname);
if (!dir) return E_NO_MEM;
/* Strip trailing slashes off directory */
l = strlen(dir);
while(l) {
if (*(dir+l-1) == '/') {
l--;
*(dir+l) = 0;
} else {
break;
}
}
/* Repair root directory :-) */
if (!l) {
*dir = '/';
}
/* Check the cache */
while(dc) {
if (!strcmp(dc->dirname, dir)) {
if (DebugFlag & DB_TRACE_FILES) {
fprintf(ErrFp, "Found cached directory listing for `%s'\n",
dir);
}
free(dir);
i->chain = dc->chain;
return OK;
}
dc = dc->next;
}
if (DebugFlag & DB_TRACE_FILES) {
fprintf(ErrFp, "Scanning directory `%s' for *.rem files\n", dir);
}
if (ShouldCache) {
dc = malloc(sizeof(DirectoryFilenameChain));
if (dc) {
dc->dirname = StrDup(dir);
if (!dc->dirname) {
free(dc);
dc = NULL;
}
}
if (dc) {
if (DebugFlag & DB_TRACE_FILES) {
fprintf(ErrFp, "Caching directory `%s' listing\n", dir);
}
dc->chain = NULL;
dc->next = CachedDirectoryChains;
CachedDirectoryChains = dc;
}
}
DBufInit(&pattern);
DBufPuts(&pattern, dir);
DBufPuts(&pattern, "/*.rem");
free(dir);
r = glob(DBufValue(&pattern), 0, NULL, &glob_buf);
DBufFree(&pattern);
if (r == GLOB_NOMATCH) {
globfree(&glob_buf);
return OK;
}
if (r != 0) {
globfree(&glob_buf);
return -1;
}
/* Add the files to the chain backwards to preserve sort order */
for (r=glob_buf.gl_pathc-1; r>=0; r--) {
FilenameChain *ch = malloc(sizeof(FilenameChain));
if (!ch) {
globfree(&glob_buf);
FreeChain(i->chain);
i->chain = NULL;
return E_NO_MEM;
}
/* TODO: stat the file and only add if it's a plain file and
readable by us */
ch->filename = StrDup(glob_buf.gl_pathv[r]);
if (!ch->filename) {
globfree(&glob_buf);
FreeChain(i->chain);
i->chain = NULL;
free(ch);
return E_NO_MEM;
}
ch->next = i->chain;
i->chain = ch;
}
if (dc) {
dc->chain = i->chain;
}
globfree(&glob_buf);
return OK;
}
static int ReadLineFromFile(void)
{
int l;
char copy_buffer[4096];
size_t n;
DynamicBuffer buf;
DBufInit(&buf);
DBufFree(&LineBuffer);
while(fp) {
if (DBufGets(&buf, fp) != OK) {
DBufFree(&LineBuffer);
return E_NO_MEM;
}
LineNo++;
if (ferror(fp)) {
DBufFree(&buf);
DBufFree(&LineBuffer);
return E_IO_ERR;
}
if (feof(fp)) {
FCLOSE(fp);
if ((DBufLen(&buf) == 0) &&
(DBufLen(&LineBuffer) == 0) && PurgeMode) {
if (PurgeFP != NULL && PurgeFP != stdout) fclose(PurgeFP);
PurgeFP = NULL;
}
}
l = DBufLen(&buf);
if (l && (DBufValue(&buf)[l-1] == '\\')) {
if (PurgeMode) {
if (DBufPuts(&LineBuffer, DBufValue(&buf)) != OK) {
DBufFree(&buf);
DBufFree(&LineBuffer);
return E_NO_MEM;
}
if (DBufPutc(&LineBuffer, '\n') != OK) {
DBufFree(&buf);
DBufFree(&LineBuffer);
return E_NO_MEM;
}
} else {
DBufValue(&buf)[l-1] = '\n';
if (DBufPuts(&LineBuffer, DBufValue(&buf)) != OK) {
DBufFree(&buf);
DBufFree(&LineBuffer);
return E_NO_MEM;
}
}
continue;
}
if (DBufPuts(&LineBuffer, DBufValue(&buf)) != OK) {
DBufFree(&buf);
DBufFree(&LineBuffer);
return E_NO_MEM;
}
DBufFree(&buf);
/* If the line is: __EOF__ treat it as end-of-file */
CurLine = DBufValue(&LineBuffer);
if (!strcmp(CurLine, "__EOF__")) {
if (PurgeMode && PurgeFP) {
PurgeEchoLine("%s\n", "__EOF__");
while ((n = fread(copy_buffer, 1, sizeof(copy_buffer), fp)) != 0) {
fwrite(copy_buffer, 1, n, PurgeFP);
}
if (PurgeFP != stdout) fclose(PurgeFP);
PurgeFP = NULL;
}
FCLOSE(fp);
DBufFree(&LineBuffer);
CurLine = DBufValue(&LineBuffer);
}
FreshLine = 1;
if (DebugFlag & DB_ECHO_LINE) OutputLine(ErrFp);
return OK;
}
CurLine = DBufValue(&LineBuffer);
return OK;
}
static int DoCalRem(ParsePtr p, int col)
{
int oldLen;
Trigger trig;
TimeTrig tim;
Value v;
int r, err;
int jul;
CalEntry *CurCol = CalColumn[col];
CalEntry *e;
char const *s, *s2;
DynamicBuffer buf, obuf, pre_buf;
Token tok;
int is_color, col_r, col_g, col_b;
is_color = 0;
DBufInit(&buf);
DBufInit(&pre_buf);
/* Parse the trigger date and time */
if ( (r=ParseRem(p, &trig, &tim, 1)) ) {
FreeTrig(&trig);
return r;
}
/* Don't include timed reminders in calendar if -a option supplied. */
if (DontIssueAts && tim.ttime != NO_TIME) {
FreeTrig(&trig);
return OK;
}
if (trig.typ == NO_TYPE) {
FreeTrig(&trig);
return E_EOLN;
}
if (trig.typ == SAT_TYPE) {
r=DoSatRemind(&trig, &tim, p);
if (r) {
FreeTrig(&trig);
if (r == E_EXPIRED) return OK;
return r;
}
if (!LastTrigValid) {
FreeTrig(&trig);
return OK;
}
r=ParseToken(p, &buf);
if (r) {
FreeTrig(&trig);
return r;
}
FindToken(DBufValue(&buf), &tok);
DBufFree(&buf);
if (tok.type == T_Empty || tok.type == T_Comment) {
FreeTrig(&trig);
return OK;
}
if (tok.type != T_RemType || tok.val == SAT_TYPE) {
FreeTrig(&trig);
return E_PARSE_ERR;
}
if (tok.val == PASSTHRU_TYPE) {
r=ParseToken(p, &buf);
if (r) return r;
if (!DBufLen(&buf)) {
DBufFree(&buf);
FreeTrig(&trig);
return E_EOLN;
}
StrnCpy(trig.passthru, DBufValue(&buf), PASSTHRU_LEN);
DBufFree(&buf);
}
trig.typ = tok.val;
jul = LastTriggerDate;
if (!LastTrigValid) {
FreeTrig(&trig);
return OK;
}
} else {
/* Calculate the trigger date */
jul = ComputeTrigger(trig.scanfrom, &trig, &r, 1);
if (r) {
FreeTrig(&trig);
return r;
}
}
/* Convert PS and PSF to PASSTHRU */
if (trig.typ == PS_TYPE) {
strcpy(trig.passthru, "PostScript");
trig.typ = PASSTHRU_TYPE;
} else if (trig.typ == PSF_TYPE) {
strcpy(trig.passthru, "PSFile");
trig.typ = PASSTHRU_TYPE;
}
if (trig.typ == PASSTHRU_TYPE) {
if (!PsCal && strcmp(trig.passthru, "COLOR") && strcmp(trig.passthru, "COLOUR")) {
FreeTrig(&trig);
return OK;
}
if (!strcmp(trig.passthru, "COLOR") ||
!strcmp(trig.passthru, "COLOUR")) {
is_color = 1;
/* Strip off the three color numbers */
DBufFree(&buf);
r=ParseToken(p, &buf);
DBufPuts(&pre_buf, DBufValue(&buf));
DBufPutc(&pre_buf, ' ');
DBufFree(&buf);
if (r) {
FreeTrig(&trig);
return r;
}
r=ParseToken(p, &buf);
DBufPuts(&pre_buf, DBufValue(&buf));
DBufPutc(&pre_buf, ' ');
DBufFree(&buf);
if (r) {
FreeTrig(&trig);
return r;
}
r=ParseToken(p, &buf);
DBufPuts(&pre_buf, DBufValue(&buf));
DBufPutc(&pre_buf, ' ');
DBufFree(&buf);
if (r) {
FreeTrig(&trig);
return r;
}
(void) sscanf(DBufValue(&pre_buf), "%d %d %d",
&col_r, &col_g, &col_b);
if (col_r < 0) col_r = 0;
else if (col_r > 255) col_r = 255;
if (col_g < 0) col_g = 0;
else if (col_g > 255) col_g = 255;
if (col_b < 0) col_b = 0;
else if (col_b > 255) col_b = 255;
if (!PsCal && !DoSimpleCalendar) {
DBufFree(&pre_buf);
}
}
}
/* If trigger date == today, add it to the current entry */
DBufInit(&obuf);
if ((jul == JulianToday) ||
(DoSimpleCalDelta &&
ShouldTriggerReminder(&trig, &tim, jul, &err))) {
NumTriggered++;
if (DoSimpleCalendar || tim.ttime != NO_TIME) {
/* Suppress time if it's not today or if it's a non-COLOR special */
if (jul != JulianToday ||
(trig.typ == PASSTHRU_TYPE &&
strcmp(trig.passthru, "COLOUR") &&
strcmp(trig.passthru, "COLOR"))) {
if (DBufPuts(&obuf, SimpleTime(NO_TIME)) != OK) {
DBufFree(&obuf);
DBufFree(&pre_buf);
FreeTrig(&trig);
return E_NO_MEM;
}
} else {
if (DBufPuts(&obuf, CalendarTime(tim.ttime, tim.duration)) != OK) {
DBufFree(&obuf);
DBufFree(&pre_buf);
FreeTrig(&trig);
return E_NO_MEM;
}
}
}
if (trig.typ != PASSTHRU_TYPE &&
UserFuncExists("calprefix")==1) {
char evalBuf[64];
sprintf(evalBuf, "calprefix(%d)", trig.priority);
s2 = evalBuf;
r = EvalExpr(&s2, &v, NULL);
if (!r) {
if (!DoCoerce(STR_TYPE, &v)) {
if (DBufPuts(&obuf, v.v.str) != OK) {
DestroyValue(v);
DBufFree(&obuf);
DBufFree(&pre_buf);
FreeTrig(&trig);
return E_NO_MEM;
}
}
DestroyValue(v);
}
}
oldLen = DBufLen(&obuf);
/* In -sa mode, run in ADVANCE mode if we're triggering
* before the actual date */
if (jul != JulianToday) {
r = DoSubst(p, &obuf, &trig, &tim, jul, ADVANCE_MODE);
} else {
r = DoSubst(p, &obuf, &trig, &tim, jul, CAL_MODE);
}
if (r) {
DBufFree(&pre_buf);
DBufFree(&obuf);
FreeTrig(&trig);
return r;
}
if (DBufLen(&obuf) <= oldLen) {
DBufFree(&obuf);
DBufFree(&pre_buf);
FreeTrig(&trig);
return OK;
}
if (trig.typ != PASSTHRU_TYPE &&
UserFuncExists("calsuffix")==1) {
char evalBuf[64];
sprintf(evalBuf, "calsuffix(%d)", trig.priority);
s2 = evalBuf;
r = EvalExpr(&s2, &v, NULL);
if (!r) {
if (!DoCoerce(STR_TYPE, &v)) {
if (DBufPuts(&obuf, v.v.str) != OK) {
DestroyValue(v);
DBufFree(&obuf);
DBufFree(&pre_buf);
FreeTrig(&trig);
return E_NO_MEM;
}
}
DestroyValue(v);
}
}
s = DBufValue(&obuf);
if (!DoSimpleCalendar) while (isempty(*s)) s++;
DBufPuts(&pre_buf, s);
s = DBufValue(&pre_buf);
e = NEW(CalEntry);
if (!e) {
DBufFree(&obuf);
DBufFree(&pre_buf);
FreeTrig(&trig);
return E_NO_MEM;
}
#ifdef REM_USE_WCHAR
e->wc_pos = NULL;
e->wc_text = NULL;
#endif
e->is_color = is_color;
e->r = col_r;
e->g = col_g;
e->b = col_b;
e->text = StrDup(s);
DBufFree(&obuf);
DBufFree(&pre_buf);
if (!e->text) {
free(e);
FreeTrig(&trig);
return E_NO_MEM;
}
make_wchar_versions(e);
DBufInit(&(e->tags));
DBufPuts(&(e->tags), DBufValue(&(trig.tags)));
if (SynthesizeTags) {
AppendTag(&(e->tags), SynthesizeTag());
}
/* Don't need tags any more */
FreeTrig(&trig);
e->duration = tim.duration;
e->priority = trig.priority;
e->filename = StrDup(FileName);
if(!e->filename) {
free(e);
return E_NO_MEM;
}
e->lineno = LineNo;
if (trig.typ == PASSTHRU_TYPE) {
StrnCpy(e->passthru, trig.passthru, PASSTHRU_LEN);
} else {
e->passthru[0] = 0;
}
e->pos = e->text;
if (jul == JulianToday) {
e->time = tim.ttime;
} else {
e->time = NO_TIME;
}
e->next = CurCol;
CalColumn[col] = e;
SortCol(&CalColumn[col]);
}
return OK;
}
static int ReadLineFromFile(void)
{
int l;
DynamicBuffer buf;
DBufInit(&buf);
DBufFree(&LineBuffer);
while(fp) {
if (DBufGets(&buf, fp) != OK) {
DBufFree(&LineBuffer);
return E_NO_MEM;
}
LineNo++;
if (ferror(fp)) {
DBufFree(&buf);
DBufFree(&LineBuffer);
return E_IO_ERR;
}
if (feof(fp)) {
FCLOSE(fp);
if ((DBufLen(&buf) == 0) &&
(DBufLen(&LineBuffer) == 0) && PurgeMode) {
if (PurgeFP != NULL && PurgeFP != stdout) fclose(PurgeFP);
PurgeFP = NULL;
}
}
l = DBufLen(&buf);
if (l && (DBufValue(&buf)[l-1] == '\\')) {
if (PurgeMode) {
if (DBufPuts(&LineBuffer, DBufValue(&buf)) != OK) {
DBufFree(&buf);
DBufFree(&LineBuffer);
return E_NO_MEM;
}
if (DBufPutc(&LineBuffer, '\n') != OK) {
DBufFree(&buf);
DBufFree(&LineBuffer);
return E_NO_MEM;
}
} else {
DBufValue(&buf)[l-1] = '\n';
if (DBufPuts(&LineBuffer, DBufValue(&buf)) != OK) {
DBufFree(&buf);
DBufFree(&LineBuffer);
return E_NO_MEM;
}
}
continue;
}
if (DBufPuts(&LineBuffer, DBufValue(&buf)) != OK) {
DBufFree(&buf);
DBufFree(&LineBuffer);
return E_NO_MEM;
}
FreshLine = 1;
CurLine = DBufValue(&LineBuffer);
if (DebugFlag & DB_ECHO_LINE) OutputLine(ErrFp);
return OK;
}
CurLine = DBufValue(&LineBuffer);
return OK;
}