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authorEduardo Chappa <chappa@washington.edu>2018-05-04 21:08:33 -0600
committerEduardo Chappa <chappa@washington.edu>2018-05-04 21:08:33 -0600
commit6f6f4f6bdb00fd539059678e0af7089ef1eaec5b (patch)
treea347af8b17265031396876904258c1195ad195b1 /pith
parent7975a951e78041f402d0f4e40b5635c20be1275a (diff)
downloadalpine-6f6f4f6bdb00fd539059678e0af7089ef1eaec5b.tar.xz
* Quell remaining warnings in the compilation of Alpine in Visual
Studio 2017. * Crash for calendars that contain a RRULE, due to insufficient memory allocated. Reported by Ulf-Dietrich Braumann.
Diffstat (limited to 'pith')
-rw-r--r--pith/ical.c95
1 files changed, 52 insertions, 43 deletions
diff --git a/pith/ical.c b/pith/ical.c
index dff7c71f..b0b1a6b6 100644
--- a/pith/ical.c
+++ b/pith/ical.c
@@ -77,11 +77,11 @@ void ical_set_date_vevent(void *, void *);
/* free properties */
void ical_free_prop(void **, ICAL_PROP_S *);
-void ical_free_null(void **);
void ical_free_cline(void **);
void ical_free_param(ICAL_PARAMETER_S **);
void ical_free_gencline(void **);
void ical_free_rrule(void **);
+void ical_fs_give(void **);
void ical_free_weekday_list(void **);
/* utility functions */
@@ -115,10 +115,10 @@ ICAL_COMP_S ical_comp[] = {
/* array for properties */
ICAL_PROP_S rrule_prop[] = {
- {"FREQ", 4, RRFreq, ical_parse_freq, ical_free_null},
- {"UNTIL", 5, RRUntil, ical_parse_until, ical_free_null},
- {"COUNT", 5, RRCount, ical_parse_count, ical_free_null},
- {"INTERVAL", 8, RRInterval, ical_parse_interval, ical_free_null},
+ {"FREQ", 4, RRFreq, ical_parse_freq, ical_fs_give},
+ {"UNTIL", 5, RRUntil, ical_parse_until, ical_fs_give},
+ {"COUNT", 5, RRCount, ical_parse_count, ical_fs_give},
+ {"INTERVAL", 8, RRInterval, ical_parse_interval, ical_fs_give},
{"BYSECOND", 8, RRBysecond, ical_parse_number_list, ical_free_weekday_list},
{"BYMINUTE", 8, RRByminute, ical_parse_number_list, ical_free_weekday_list},
{"BYHOUR", 6, RRByhour, ical_parse_number_list, ical_free_weekday_list},
@@ -175,9 +175,9 @@ ICAL_PROP_S tz_comp[] = {
};
ICAL_PROP_S tz_prop[] = {
- {"DTSTART", 7, TZPDtstart, ical_parse_time, ical_free_null},
- {"TZOFFSETTO", 10, TZPOffsetto, ical_parse_offset, ical_free_null},
- {"TZOFFSETFROM", 12, TZPOffsetfrom, ical_parse_offset, ical_free_null},
+ {"DTSTART", 7, TZPDtstart, ical_parse_time, ical_fs_give},
+ {"TZOFFSETTO", 10, TZPOffsetto, ical_parse_offset, ical_fs_give},
+ {"TZOFFSETFROM", 12, TZPOffsetfrom, ical_parse_offset, ical_fs_give},
{"RRULE", 5, TZPRrule, ical_parse_rrule, ical_free_rrule},
{"COMMENT", 7, TZPComment, ical_gencline_from_token, ical_free_gencline},
{"RDATE", 5, TZPRdate, ical_gencline_from_token, ical_free_gencline},
@@ -323,12 +323,6 @@ ical_free_param(ICAL_PARAMETER_S **param)
fs_give((void **)param);
}
-void
-ical_free_null(void **n)
-{
- if(n != NULL) *n = NULL;
-}
-
void
ical_free_cline(void **icv)
{
@@ -390,6 +384,13 @@ ical_free_vevent(void **veventpv)
}
void
+ical_fs_give(void **x)
+{
+ if(x != NULL && *x != NULL)
+ fs_give(x);
+}
+
+void
ical_free_rrule(void **rrulepv)
{
RRULE_S **rrulep = (RRULE_S **) rrulepv;
@@ -674,13 +675,14 @@ ical_parse_text(char *text)
void *
ical_parse_time(void *ic_datep, char **text, char *token)
{
- struct tm ic_date;
+ struct tm *datep;
ICLINE_S *icl;
+ datep = fs_get(sizeof(struct tm));
icl = ical_parse_line(text, token);
- ical_parse_date(icl->value, &ic_date);
+ ical_parse_date(icl->value, datep);
ical_free_cline((void **) &icl);
- ic_datep = (void *) &ic_date;
+ ic_datep = (void *) datep;
return ic_datep;
}
@@ -689,10 +691,11 @@ void *
ical_parse_interval(void *longvp, char *value)
{
- unsigned long longv;
+ unsigned long *longp;
- longv = atoi(value);
- longvp = (void *) &longv;
+ longp = fs_get(sizeof(unsigned long));
+ *longp = atoi(value);
+ longvp = (void *) longp;
return longvp;
}
@@ -703,7 +706,9 @@ ical_parse_offset(void *offsetv, char **text, char *token)
{
ICLINE_S *icl;
char *value;
- int h, m, offset;
+ int h, m, *offset;
+
+ offset = fs_get(sizeof(int));
icl = ical_parse_line(text, token);
@@ -715,12 +720,12 @@ ical_parse_offset(void *offsetv, char **text, char *token)
h = ical_get_number_value(value, 0, 2);
m = ical_get_number_value(value, 2, 4);
- offset = 60*(60*h + m);
+ *offset = 60*(60*h + m);
if(*icl->value == '-')
- offset *= -1;
+ *offset *= -1;
ical_free_cline((void **) &icl);
- offsetv = (void *) &offset;
+ offsetv = (void *) offset;
return offsetv;
}
@@ -1440,21 +1445,23 @@ ical_parse_line(char **text, char *name)
void *
ical_parse_freq(void *fvalp, char *text)
{
- Freq_value fval;
+ Freq_value *fval;
- fval = FUnknown;
+ fval = fs_get(sizeof(Freq_value));
+
+ *fval = FUnknown;
if(text == NULL) return fvalp;
- if(!strucmp(text, "SECONDLY")) fval = FSecondly;
- else if(!strucmp(text, "MINUTELY")) fval = FMinutely;
- else if(!strucmp(text, "HOURLY")) fval = FHourly;
- else if(!strucmp(text, "DAILY")) fval = FDaily;
- else if(!strucmp(text, "WEEKLY")) fval = FWeekly;
- else if(!strucmp(text, "MONTHLY")) fval = FMonthly;
- else if(!strucmp(text, "YEARLY")) fval = FYearly;
+ if(!strucmp(text, "SECONDLY")) *fval = FSecondly;
+ else if(!strucmp(text, "MINUTELY")) *fval = FMinutely;
+ else if(!strucmp(text, "HOURLY")) *fval = FHourly;
+ else if(!strucmp(text, "DAILY")) *fval = FDaily;
+ else if(!strucmp(text, "WEEKLY")) *fval = FWeekly;
+ else if(!strucmp(text, "MONTHLY")) *fval = FMonthly;
+ else if(!strucmp(text, "YEARLY")) *fval = FYearly;
- fvalp = (void *) &fval;
+ fvalp = (void *) fval;
return fvalp;
}
@@ -1462,11 +1469,12 @@ ical_parse_freq(void *fvalp, char *text)
void *
ical_parse_until(void *Tmp, char *text)
{
- struct tm Tm;
+ struct tm *Tm;
if(text != NULL){
- ical_parse_date(text, &Tm);
- Tmp = (void *) &Tm;
+ Tm = fs_get(sizeof(struct tm));
+ ical_parse_date(text, Tm);
+ Tmp = (void *) Tm;
}
return Tmp;
@@ -1475,11 +1483,12 @@ ical_parse_until(void *Tmp, char *text)
void *
ical_parse_count(void *countp, char *text)
{
- int count;
+ int *count;
if(text != NULL){
- count = atoi(text);
- countp = (void *) &count;
+ count = fs_get(sizeof(int));
+ *count = atoi(text);
+ countp = (void *) count;
}
return countp;
@@ -1604,8 +1613,8 @@ ical_parse_rrule(void *rrulep, char **text, char *token)
param = ical_get_parameter(&s);
/* now we check which values were given, and fill the prop array */
- rrule->prop = fs_get(RRUnknown*sizeof(void *));
- memset((void *) rrule->prop, 0, RRUnknown*sizeof(void *));
+ rrule->prop = fs_get((RRUnknown+1)*sizeof(void *));
+ memset((void *) rrule->prop, 0, (RRUnknown+1)*sizeof(void *));
for(p = param; p != NULL; p = p->next){
for(i = 0; rrule_prop[i].prop != NULL && strucmp(p->name, rrule_prop[i].prop); i++);
@@ -1867,7 +1876,7 @@ ical_std_or_daylight(struct tm *date, VTIMEZONE_S *vtz)
struct tm standard, daylight;
ICLINE_S *tzid = (ICLINE_S *) vtz->prop[TZCid];
- standard = daylight;
+// standard = daylight;
return NULL;
}