compile: fix signed and unsigned warnings

cron.c:100:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
cron.c:108:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
cron.c:125:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]

Signed-off-by: Sami Kerola <kerolasa@iki.fi>

diff --git a/src/cron.c b/src/cron.c
index 3c7e0c3d6b3ee4468405226c739356e87b6d7f90..a79806e51ff88f36d36cdb8c4877849f601eac2e 100644 (file)
--- a/src/cron.c
+++ b/src/cron.c
@@ -95,7 +95,7 @@ const char *watchpaths[NUM_WATCHES] = {SPOOL_DIR, SYS_CROND_DIR};
 # endif
 
 static void reset_watches(void) {
-       int i;
+       size_t i;
 
        for (i = 0; i < sizeof (wd) / sizeof (wd[0]); ++i) {
                wd[i] = -2;
@@ -103,7 +103,7 @@ static void reset_watches(void) {
 }
 
 void set_cron_unwatched(int fd) {
-       int i;
+       size_t i;
 
        for (i = 0; i < sizeof (wd) / sizeof (wd[0]); ++i) {
                if (wd[i] > 0) {
@@ -115,7 +115,7 @@ void set_cron_unwatched(int fd) {
 
 void set_cron_watched(int fd) {
        pid_t pid = getpid();
-       int i;
+       size_t i;
 
        if (fd < 0) {
                inotify_enabled = 0;