fyb/calcurse-edge
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Replace several uses of snprintf() by asprintf()

Browse Source 
Use asprintf() in some cold code paths. While allocating memory on the
heap is a bit slower, using asprintf() is a bit more memory efficient
and less prone to buffer overflow errors.

Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
This commit is contained in:
Lukas Fleischer
2014-07-21 22:51:54 +02:00
parent 6203966fbf
commit 21fc7a4b74
9 changed files with 150 additions and 135 deletions
Download Patch File Download Diff File Expand all files Collapse all files

67
src/ui-day.c
View File

@@ -156,8 +156,7 @@ static void update_rept(struct rpt **rpt, const long start)
{
int newtype, newfreq;
long newuntil;
char outstr[BUFSIZ];
char *freqstr, *timstr;
char *freqstr = NULL, *timstr, *outstr = NULL;
const char *msg_rpt_prefix = _("Enter the new repetition type:");
const char *msg_rpt_daily = _("(d)aily");
const char *msg_rpt_weekly = _("(w)eekly");
@@ -166,7 +165,7 @@ static void update_rept(struct rpt **rpt, const long start)
/* Find the current repetition type. */
const char *rpt_current;
char msg_rpt_current[BUFSIZ];
char *msg_rpt_current;
switch (recur_def2char((*rpt)->type)) {
case 'D':
rpt_current = msg_rpt_daily;
@@ -185,15 +184,12 @@ static void update_rept(struct rpt **rpt, const long start)
rpt_current = msg_rpt_daily;
}
snprintf(msg_rpt_current, BUFSIZ, _("(currently using %s)"),
rpt_current);
asprintf(&msg_rpt_current, _("(currently using %s)"), rpt_current);
char msg_rpt_asktype[BUFSIZ];
snprintf(msg_rpt_asktype, BUFSIZ, "%s %s, %s, %s, %s ? %s",
msg_rpt_prefix,
msg_rpt_daily,
msg_rpt_weekly, msg_rpt_monthly, msg_rpt_yearly,
msg_rpt_current);
char *msg_rpt_asktype;
asprintf(&msg_rpt_asktype, "%s %s, %s, %s, %s ? %s", msg_rpt_prefix,
msg_rpt_daily, msg_rpt_weekly, msg_rpt_monthly,
msg_rpt_yearly, msg_rpt_current);
const char *msg_rpt_choice = _("[dwmy]");
const char *msg_wrong_freq =
@@ -219,17 +215,16 @@ static void update_rept(struct rpt **rpt, const long start)
newtype = 'Y';
break;
default:
return;
goto cleanup;
}
do {
status_mesg(_("Enter the new repetition frequence:"), "");
freqstr = mem_malloc(BUFSIZ);
snprintf(freqstr, BUFSIZ, "%d", (*rpt)->freq);
asprintf(&freqstr, "%d", (*rpt)->freq);
if (updatestring(win[STA].p, &freqstr, 0, 1) !=
GETSTRING_VALID) {
mem_free(freqstr);
return;
goto cleanup;
}
newfreq = atoi(freqstr);
mem_free(freqstr);
@@ -246,8 +241,7 @@ static void update_rept(struct rpt **rpt, const long start)
struct date new_date;
int newmonth, newday, newyear;
snprintf(outstr, BUFSIZ,
_("Enter the new ending date: [%s] or '0'"),
asprintf(&outstr, _("Enter the new ending date: [%s] or '0'"),
DATEFMT_DESC(conf.input_datefmt));
status_mesg(outstr, "");
timstr =
@@ -255,8 +249,7 @@ static void update_rept(struct rpt **rpt, const long start)
DATEFMT(conf.input_datefmt));
if (updatestring(win[STA].p, &timstr, 0, 1) !=
GETSTRING_VALID) {
mem_free(timstr);
return;
goto cleanup;
}
if (strcmp(timstr, "0") == 0) {
newuntil = 0;
@@ -265,7 +258,7 @@ static void update_rept(struct rpt **rpt, const long start)
if (!parse_date
(timstr, conf.input_datefmt, &newyear, &newmonth,
&newday, ui_calendar_get_slctd_day())) {
snprintf(outstr, BUFSIZ, msg_fmts,
asprintf(&outstr, msg_fmts,
DATEFMT_DESC(conf.input_datefmt));
status_mesg(msg_wrong_date, outstr);
wgetch(win[KEY].p);
@@ -283,10 +276,16 @@ static void update_rept(struct rpt **rpt, const long start)
wgetch(win[KEY].p);
}
mem_free(timstr);
(*rpt)->type = recur_char2def(newtype);
(*rpt)->freq = newfreq;
(*rpt)->until = newuntil;
cleanup:
mem_free(msg_rpt_current);
mem_free(msg_rpt_asktype);
mem_free(freqstr);
mem_free(outstr);
mem_free(timstr);
}
/* Edit an already existing item. */
@@ -650,7 +649,7 @@ void ui_day_item_repeat(void)
time_t t;
int year = 0, month = 0, day = 0;
struct date until_date;
char outstr[BUFSIZ];
char *outstr = NULL;
char user_input[BUFSIZ] = "";
const char *msg_rpt_prefix = _("Enter the repetition type:");
const char *msg_rpt_daily = _("(d)aily");
@@ -672,9 +671,8 @@ void ui_day_item_repeat(void)
const char *mesg_older =
_("Sorry, the date you entered is older than the item start time.");
char msg_asktype[BUFSIZ];
snprintf(msg_asktype, BUFSIZ, "%s %s, %s, %s, %s",
msg_rpt_prefix,
char *msg_asktype;
asprintf(&msg_asktype, "%s %s, %s, %s, %s", msg_rpt_prefix,
msg_rpt_daily, msg_rpt_weekly, msg_rpt_monthly,
msg_rpt_yearly);
@@ -685,14 +683,14 @@ void ui_day_item_repeat(void)
long until, date;
if (day_item_count(0) <= 0)
return;
goto cleanup;
item_nb = listbox_get_sel(&lb_apt);
p = day_get_item(item_nb);
if (p->type != APPT && p->type != EVNT) {
status_mesg(wrong_type_1, wrong_type_2);
wgetch(win[KEY].p);
return;
goto cleanup;
}
switch (status_ask_choice(msg_asktype, msg_type_choice, 4)) {
@@ -709,14 +707,14 @@ void ui_day_item_repeat(void)
type = RECUR_YEARLY;
break;
default:
return;
goto cleanup;
}
while (freq == 0) {
status_mesg(mesg_freq_1, "");
if (getstring(win[STA].p, user_input, BUFSIZ, 0, 1) !=
GETSTRING_VALID)
return;
goto cleanup;
freq = atoi(user_input);
if (freq == 0) {
status_mesg(mesg_wrong_freq, wrong_type_2);
@@ -726,12 +724,12 @@ void ui_day_item_repeat(void)
}
for (;;) {
snprintf(outstr, BUFSIZ, mesg_until_1,
asprintf(&outstr, mesg_until_1,
DATEFMT_DESC(conf.input_datefmt));
status_mesg(outstr, "");
if (getstring(win[STA].p, user_input, BUFSIZ, 0, 1) !=
GETSTRING_VALID)
return;
goto cleanup;
if (strlen(user_input) == 1
&& strcmp(user_input, "0") == 0) {
until = 0;
@@ -752,7 +750,8 @@ void ui_day_item_repeat(void)
status_mesg(mesg_older, wrong_type_2);
wgetch(win[KEY].p);
} else {
snprintf(outstr, BUFSIZ, mesg_wrong_2,
mem_free(outstr);
asprintf(&outstr, mesg_wrong_2,
DATEFMT_DESC(conf.input_datefmt));
status_mesg(mesg_wrong_1, outstr);
wgetch(win[KEY].p);
@@ -783,6 +782,10 @@ void ui_day_item_repeat(void)
io_set_modified();
ui_calendar_monthly_view_cache_set_invalid();
cleanup:
mem_free(msg_asktype);
mem_free(outstr);
}
/* Free the current cut item, if any. */