X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Fshared%2Fcalendarspec.c;h=7979e2384f53014e105d173519c60acb9a3ac6a9;hb=51d122af23533b0b8318911c4fc8b128ad8eafb7;hp=cc680779b52dd3e113fbb9ebf776b307050ae43b;hpb=b43d1d01eabe2cbbf393e8f56b76e182c6069c4c;p=elogind.git

diff --git a/src/shared/calendarspec.c b/src/shared/calendarspec.c
index cc680779b..7979e2384 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;