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authorLukas Fleischer <calcurse@cryptocrack.de>2011-11-11 12:00:57 +0100
committerLukas Fleischer <calcurse@cryptocrack.de>2011-11-11 12:18:16 +0100
commit5e4db62662a40fd73c911218a79bb984dc169b18 (patch)
tree6359da02cd8e36fb99ff2ee6208e2cd29dd2af3f /src/io.c
parent120f434967f069dace3aeab9a547b62b127d2c04 (diff)
downloadcalcurse-5e4db62662a40fd73c911218a79bb984dc169b18.zip
src/io.c: Avoid use of memcpy()
Use strncpy() and a proper limit, which ensures we never read more characters than the buffer can hold. Also, ensure we always null-terminate strings here. Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
Diffstat (limited to 'src/io.c')
-rw-r--r--src/io.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/src/io.c b/src/io.c
index 9dcc784..b944373 100644
--- a/src/io.c
+++ b/src/io.c
@@ -2410,7 +2410,8 @@ ical_read_event (FILE *fdi, FILE *log, unsigned *noevents, unsigned *noapoints,
skip_alarm = 0;
while (ical_readline (fdi, buf, lstore, lineno))
{
- memcpy (buf_upper, buf, strlen (buf));
+ strncpy (buf_upper, buf, BUFSIZ);
+ buf_upper[BUFSIZ - 1] = '\0';
str_toupper (buf_upper);
if (skip_alarm)
@@ -2594,7 +2595,8 @@ ical_read_todo (FILE *fdi, FILE *log, unsigned *notodos, unsigned *noskipped,
skip_alarm = 0;
while (ical_readline (fdi, buf, lstore, lineno))
{
- memcpy (buf_upper, buf, strlen (buf));
+ strncpy (buf_upper, buf, BUFSIZ);
+ buf_upper[BUFSIZ - 1] = '\0';
str_toupper (buf_upper);
if (skip_alarm)
{