1 files changed, 8 insertions, 8 deletions

diff --git a/src/shared/calendarspec.c b/src/shared/calendarspec.c
index c2eae3f139..7979e2384f 100644
--- a/src/shared/calendarspec.c
+++ b/src/shared/calendarspec.c
@@ -133,7 +133,7 @@ int calendar_spec_normalize(CalendarSpec *c) {
         return 0;
 }
 
-static bool chain_valid(CalendarComponent *c, int from, int to) {
+_pure_ static bool chain_valid(CalendarComponent *c, int from, int to) {
         if (!c)
                 return true;
 
@@ -149,7 +149,7 @@ static bool chain_valid(CalendarComponent *c, int from, int to) {
         return true;
 }
 
-bool calendar_spec_valid(CalendarSpec *c) {
+_pure_ bool calendar_spec_valid(CalendarSpec *c) {
         assert(c);
 
         if (c->weekdays_bits > 127)
@@ -391,7 +391,7 @@ static int prepend_component(const char **p, CalendarComponent **c) {
 
         errno = 0;
         value = strtoul(*p, &e, 10);
-        if (errno != 0)
+        if (errno > 0)
                 return -errno;
         if (e == *p)
                 return -EINVAL;
@@ -400,7 +400,7 @@ static int prepend_component(const char **p, CalendarComponent **c) {
 
         if (*e == '/') {
                 repeat = strtoul(e+1, &ee, 10);
-                if (errno != 0)
+                if (errno > 0)
                         return -errno;
                 if (ee == e+1)
                         return -EINVAL;
@@ -653,7 +653,7 @@ int calendar_spec_from_string(const char *p, CalendarSpec **spec) {
         if (!c)
                 return -ENOMEM;
 
-        if (strcasecmp(p, "hourly") == 0) {
+        if (strcaseeq(p, "hourly")) {
                 r = const_chain(0, &c->minute);
                 if (r < 0)
                         goto fail;
@@ -661,7 +661,7 @@ int calendar_spec_from_string(const char *p, CalendarSpec **spec) {
                 if (r < 0)
                         goto fail;
 
-        } else if (strcasecmp(p, "daily") == 0) {
+        } else if (strcaseeq(p, "daily")) {
                 r = const_chain(0, &c->hour);
                 if (r < 0)
                         goto fail;
@@ -672,7 +672,7 @@ int calendar_spec_from_string(const char *p, CalendarSpec **spec) {
                 if (r < 0)
                         goto fail;
 
-        } else if (strcasecmp(p, "monthly") == 0) {
+        } else if (strcaseeq(p, "monthly")) {
                 r = const_chain(1, &c->day);
                 if (r < 0)
                         goto fail;
@@ -686,7 +686,7 @@ int calendar_spec_from_string(const char *p, CalendarSpec **spec) {
                 if (r < 0)
                         goto fail;
 
-        } else if (strcasecmp(p, "weekly") == 0) {
+        } else if (strcaseeq(p, "weekly")) {
 
                 c->weekdays_bits = 1;