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-rw-r--r--src/io.c181
1 files changed, 69 insertions, 112 deletions
diff --git a/src/io.c b/src/io.c
index d8af1fb..ddd584b 100644
--- a/src/io.c
+++ b/src/io.c
@@ -1813,7 +1813,7 @@ ical_store_apoint (char *mesg, char *note, long start, long dur,
/*
* Returns an allocated string representing the string given in argument once
- * unformatted. See ical_unfold_content () below.
+ * unformatted.
*
* Note:
* Even if the RFC2445 recommends not to have more than 75 octets on one line of
@@ -1827,8 +1827,6 @@ ical_store_apoint (char *mesg, char *note, long start, long dur,
static char *
ical_unformat_line (char *line)
{
-#define LINE_FEED 0x0a
-#define CARRIAGE_RETURN 0x0d
char *p, uline[BUFSIZ];
int len;
@@ -1840,10 +1838,6 @@ ical_unformat_line (char *line)
{
switch (*p)
{
- case LINE_FEED:
- return mem_strdup (uline);
- case CARRIAGE_RETURN:
- break;
case '\\':
switch (*(p + 1))
{
@@ -1871,106 +1865,69 @@ ical_unformat_line (char *line)
break;
}
}
-#undef LINE_FEED
-#undef CARRIAGE_RETURN
- return NULL;
+
+ return mem_strdup (uline);
}
-/*
- * Extract from RFC2445:
- *
- * When parsing a content line, folded lines MUST first be
- * unfolded [..] The content information associated with an iCalendar
- * object is formatted using a syntax similar to that defined by [RFC 2425].
- */
-static char *
-ical_unfold_content (FILE *fd, char *line, unsigned *lineno)
+static void
+ical_readline_init (FILE *fdi, char *buf, char *lstore, unsigned *ln)
{
- char *content;
- int c;
+ char *eol;
- content = ical_unformat_line (line);
- if (!content)
- return NULL;
+ *buf = *lstore = '\0';
+ fgets (lstore, BUFSIZ, fdi);
+ if ((eol = strchr(lstore, '\n')) != NULL)
+ *eol = '\0';
+ (*ln)++;
+}
- for (;;)
- {
- c = getc (fd);
- if (c == SPACE || c == TAB)
- {
- char buf[BUFSIZ];
+static int
+ical_readline (FILE *fdi, char *buf, char *lstore, unsigned *ln)
+{
+ char *eol;
- if (fgets (buf, BUFSIZ, fd) != NULL)
- {
- char *tmpline, *rline;
- int newsize;
+ strncpy (buf, lstore, BUFSIZ);
+ (*ln)++;
- (*lineno)++;
- tmpline = ical_unformat_line (buf);
- if (!tmpline)
- {
- mem_free (content);
- return NULL;
- }
- newsize = strlen (content) + strlen (tmpline) + 1;
- if ((rline = mem_realloc (content, newsize, 1)) == NULL)
- {
- mem_free (content);
- mem_free (tmpline);
- return NULL;
- }
- content = rline;
- (void)strncat (content, tmpline, BUFSIZ);
- mem_free (tmpline);
- }
- else
- {
- mem_free (content);
- return NULL;
- /* Could not get entire item description. */
- }
- }
- else
- {
- (void)ungetc (c, fd);
- return content;
- }
+ while (fgets (lstore, BUFSIZ, fdi) != NULL)
+ {
+ if ((eol = strchr(lstore, '\n')) != NULL)
+ *eol = '\0';
+ if (*lstore != SPACE && *lstore != TAB)
+ break;
+ strncat (buf, lstore + 1, BUFSIZ);
+ (*ln)++;
+ }
+
+ if (feof (fdi))
+ {
+ *lstore = '\0';
+ if (*buf == '\0')
+ return 0;
}
+
+ return 1;
}
static float
-ical_chk_header (FILE *fd, unsigned *lineno)
+ical_chk_header (FILE *fd, char *buf, char *lstore, unsigned *lineno)
{
const int HEADER_MALFORMED = -1;
const struct string icalheader = STRING_BUILD ("BEGIN:VCALENDAR");
- char buf[BUFSIZ];
-
- (void)fgets (buf, BUFSIZ, fd);
- (*lineno)++;
+ float version;
- if (buf == NULL) return HEADER_MALFORMED;
+ if (!ical_readline (fd, buf, lstore, lineno))
+ return HEADER_MALFORMED;
str_toupper (buf);
if (strncmp (buf, icalheader.str, icalheader.len) != 0)
return HEADER_MALFORMED;
- const int AWAITED = 1;
- float version = HEADER_MALFORMED;
- int read;
-
- do
+ while (!sscanf (buf, "VERSION:%f", &version))
{
- if (fgets (buf, BUFSIZ, fd) == NULL)
- {
- return HEADER_MALFORMED;
- }
- else
- {
- (*lineno)++;
- read = sscanf (buf, "VERSION:%f", &version);
- }
+ if (!ical_readline (fd, buf, lstore, lineno))
+ return HEADER_MALFORMED;
}
- while (read != AWAITED);
return version;
}
@@ -2354,14 +2311,13 @@ ical_read_exdate (llist_t *exc, FILE *log, char *exstr, unsigned *noskipped,
/* Return an allocated string containing the name of the newly created note. */
static char *
-ical_read_note (char *first_line, FILE *fdi, unsigned *noskipped,
- unsigned *lineno, ical_vevent_e item_type, const int itemline,
- FILE *log)
+ical_read_note (char *line, unsigned *noskipped, ical_vevent_e item_type,
+ const int itemline, FILE *log)
{
char *p, *notestr, *notename, fullnotename[BUFSIZ];
FILE *fdo;
- if ((p = strchr (first_line, ':')) != NULL)
+ if ((p = strchr (line, ':')) != NULL)
{
notename = new_tempfile (path_notes, NOTESIZ);
EXIT_IF (notename == NULL,
@@ -2372,7 +2328,7 @@ ical_read_note (char *first_line, FILE *fdi, unsigned *noskipped,
EXIT_IF (fdo == NULL, _("Warning: could not open %s, Aborting..."),
fullnotename);
p++;
- notestr = ical_unfold_content (fdi, p, lineno);
+ notestr = ical_unformat_line (p);
if (notestr == NULL)
{
ical_log (log, item_type, itemline,
@@ -2407,14 +2363,14 @@ ical_read_note (char *first_line, FILE *fdi, unsigned *noskipped,
/* Returns an allocated string containing the ical item summary. */
static char *
-ical_read_summary (char *first_line, FILE *fdi, unsigned *lineno)
+ical_read_summary (char *line)
{
char *p, *summary;
- if ((p = strchr (first_line, ':')) != NULL)
+ if ((p = strchr (line, ':')) != NULL)
{
p++;
- summary = ical_unfold_content (fdi, p, lineno);
+ summary = ical_unformat_line (p);
return summary;
}
else
@@ -2423,7 +2379,8 @@ ical_read_summary (char *first_line, FILE *fdi, unsigned *lineno)
static void
ical_read_event (FILE *fdi, FILE *log, unsigned *noevents, unsigned *noapoints,
- unsigned *noskipped, unsigned *lineno)
+ unsigned *noskipped, char *buf, char *lstore,
+ unsigned *lineno)
{
const int ITEMLINE = *lineno;
const struct string endevent = STRING_BUILD ("END:VEVENT");
@@ -2437,7 +2394,7 @@ ical_read_event (FILE *fdi, FILE *log, unsigned *noevents, unsigned *noapoints,
const struct string endalarm = STRING_BUILD ("END:VALARM");
const struct string desc = STRING_BUILD ("DESCRIPTION");
ical_vevent_e vevent_type;
- char *p, buf[BUFSIZ], buf_upper[BUFSIZ];
+ char *p, buf_upper[BUFSIZ];
struct {
llist_t exc;
ical_rpt_t *rpt;
@@ -2450,11 +2407,11 @@ ical_read_event (FILE *fdi, FILE *log, unsigned *noevents, unsigned *noapoints,
vevent_type = UNDEFINED;
bzero (&vevent, sizeof vevent);
skip_alarm = 0;
- while (fgets (buf, BUFSIZ, fdi) != NULL)
+ while (ical_readline (fdi, buf, lstore, lineno))
{
- (*lineno)++;
memcpy (buf_upper, buf, strlen (buf));
str_toupper (buf_upper);
+
if (skip_alarm)
{
/* Need to skip VALARM properties because some keywords could
@@ -2584,7 +2541,7 @@ ical_read_event (FILE *fdi, FILE *log, unsigned *noevents, unsigned *noapoints,
}
else if (strncmp (buf_upper, summary.str, summary.len) == 0)
{
- vevent.mesg = ical_read_summary (buf, fdi, lineno);
+ vevent.mesg = ical_read_summary (buf);
}
else if (strncmp (buf_upper, alarm.str, alarm.len) == 0)
{
@@ -2593,8 +2550,8 @@ ical_read_event (FILE *fdi, FILE *log, unsigned *noevents, unsigned *noapoints,
}
else if (strncmp (buf_upper, desc.str, desc.len) == 0)
{
- vevent.note = ical_read_note (buf, fdi, noskipped, lineno,
- ICAL_VEVENT, ITEMLINE, log);
+ vevent.note = ical_read_note (buf, noskipped, ICAL_VEVENT,
+ ITEMLINE, log);
}
}
}
@@ -2616,7 +2573,7 @@ cleanup:
static void
ical_read_todo (FILE *fdi, FILE *log, unsigned *notodos, unsigned *noskipped,
- unsigned *lineno)
+ char *buf, char *lstore, unsigned *lineno)
{
const struct string endtodo = STRING_BUILD ("END:VTODO");
const struct string summary = STRING_BUILD ("SUMMARY");
@@ -2625,7 +2582,7 @@ ical_read_todo (FILE *fdi, FILE *log, unsigned *notodos, unsigned *noskipped,
const struct string desc = STRING_BUILD ("DESCRIPTION");
const int LOWEST = 9;
const int ITEMLINE = *lineno;
- char buf[BUFSIZ], buf_upper[BUFSIZ];
+ char buf_upper[BUFSIZ];
struct {
char *mesg, *note;
int has_priority, priority;
@@ -2634,9 +2591,8 @@ ical_read_todo (FILE *fdi, FILE *log, unsigned *notodos, unsigned *noskipped,
bzero (&vtodo, sizeof vtodo);
skip_alarm = 0;
- while (fgets (buf, BUFSIZ, fdi) != NULL)
+ while (ical_readline (fdi, buf, lstore, lineno))
{
- (*lineno)++;
memcpy (buf_upper, buf, strlen (buf));
str_toupper (buf_upper);
if (skip_alarm)
@@ -2685,7 +2641,7 @@ ical_read_todo (FILE *fdi, FILE *log, unsigned *notodos, unsigned *noskipped,
}
else if (strncmp (buf_upper, summary.str, summary.len) == 0)
{
- vtodo.mesg = ical_read_summary (buf, fdi, lineno);
+ vtodo.mesg = ical_read_summary (buf);
}
else if (strncmp (buf_upper, alarm.str, alarm.len) == 0)
{
@@ -2693,8 +2649,8 @@ ical_read_todo (FILE *fdi, FILE *log, unsigned *notodos, unsigned *noskipped,
}
else if (strncmp (buf_upper, desc.str, desc.len) == 0)
{
- vtodo.note = ical_read_note (buf, fdi, noskipped, lineno,
- ICAL_VTODO, ITEMLINE, log);
+ vtodo.note = ical_read_note (buf, noskipped, ICAL_VTODO,
+ ITEMLINE, log);
}
}
}
@@ -2759,7 +2715,7 @@ io_import_data (enum import_type type, struct conf *conf, char *stream_name)
const struct string vtodo = STRING_BUILD ("BEGIN:VTODO");
char *proc_report = _("Import process report: %04d lines read ");
char stats_str[4][BUFSIZ];
- char buf[BUFSIZ];
+ char buf[BUFSIZ], lstore[BUFSIZ];
FILE *stream = NULL;
struct io_file *log;
float ical_version;
@@ -2788,7 +2744,8 @@ io_import_data (enum import_type type, struct conf *conf, char *stream_name)
return;
bzero (&stats, sizeof stats);
- ical_version = ical_chk_header (stream, &stats.lines);
+ ical_readline_init (stream, buf, lstore, &stats.lines);
+ ical_version = ical_chk_header (stream, buf, lstore, &stats.lines);
RETURN_IF (ical_version < 0,
_("Warning: ical header malformed or wrong version number. "
"Aborting..."));
@@ -2802,19 +2759,19 @@ io_import_data (enum import_type type, struct conf *conf, char *stream_name)
}
ical_log_init (log->fd, ical_version);
- while (fgets (buf, BUFSIZ, stream) != NULL)
+ while (ical_readline (stream, buf, lstore, &stats.lines))
{
stats.lines++;
str_toupper (buf);
if (strncmp (buf, vevent.str, vevent.len) == 0)
{
ical_read_event (stream, log->fd, &stats.events, &stats.apoints,
- &stats.skipped, &stats.lines);
+ &stats.skipped, buf, lstore, &stats.lines);
}
else if (strncmp (buf, vtodo.str, vtodo.len) == 0)
{
ical_read_todo (stream, log->fd, &stats.todos, &stats.skipped,
- &stats.lines);
+ buf, lstore, &stats.lines);
}
}
if (stream != stdin)