Corrected some unsigned int comparisons

src/input/mpegts/linuxdvb/linuxdvb_rotor.c

@@ -143,7 +143,7 @@ linuxdvb_rotor_grace
   if (ld->ld_satconf->lse_parent->ls_orbital_dir == 'W')
     curpos = -(curpos);
 
-  return (lr->lr_rate*(abs(curpos - lr->lr_position))+999)/1000;
+  return (lr->lr_rate*(deltaU32(curpos, lr->lr_position))+999)/1000;
 }
 
 static int

src/input/mpegts/mpegts_network_dvb.c

@@ -242,10 +242,10 @@ dvb_network_check_symbol_rate( dvb_mux_t *lm, dvb_mux_conf_t *dmc, int deltar )
     return dvb_network_check_bandwidth(lm->lm_tuning.u.dmc_fe_ofdm.bandwidth,
                                        dmc->u.dmc_fe_ofdm.bandwidth);
   case DVB_TYPE_C:
-    return abs(lm->lm_tuning.u.dmc_fe_qam.symbol_rate -
+    return deltaU32(lm->lm_tuning.u.dmc_fe_qam.symbol_rate,
                dmc->u.dmc_fe_qam.symbol_rate) > deltar;
   case DVB_TYPE_S:
-    return abs(lm->lm_tuning.u.dmc_fe_qpsk.symbol_rate -
+    return deltaU32(lm->lm_tuning.u.dmc_fe_qpsk.symbol_rate,
                dmc->u.dmc_fe_qpsk.symbol_rate) > deltar;
   case DVB_TYPE_ATSC:
     return 0;
@@ -296,7 +296,7 @@ dvb_network_find_mux
     }
 
     /* Reject if not same frequency (some tolerance due to changes and diff in NIT) */
-    if (abs(lm->lm_tuning.dmc_fe_freq - dmc->dmc_fe_freq) > deltaf) continue;
+    if (deltaU32(lm->lm_tuning.dmc_fe_freq, dmc->dmc_fe_freq) > deltaf) continue;
 
     /* Reject if not same symbol rate (some tolerance due to changes and diff in NIT) */
     if (dvb_network_check_symbol_rate(lm, dmc, deltar)) continue;
@@ -430,7 +430,7 @@ dvb_network_create_mux
     tuning_old = lm->lm_tuning;
 #endif
     /* Handle big diffs that have been allowed through for DVB-S */
-    if (abs(dmc->dmc_fe_freq - lm->lm_tuning.dmc_fe_freq) > 4000) {
+    if (deltaU32(dmc->dmc_fe_freq, lm->lm_tuning.dmc_fe_freq) > 4000) {
       lm->lm_tuning.dmc_fe_freq = dmc->dmc_fe_freq;
       save = 1;
     }

src/tvheadend.h

@@ -718,7 +718,8 @@ int makedirs ( const char *path, int mode );
 int rmtree ( const char *path );
 
 char *regexp_escape ( const char *str );
-
+uint32_t deltaU32(uint32_t a, uint32_t b);
+
 #define SKEL_DECLARE(name, type) type *name;
 #define SKEL_ALLOC(name) do { if (!name) name = calloc(1, sizeof(*name)); } while (0)
 #define SKEL_USED(name) do { name = NULL; } while (0)

src/utils.c

@@ -585,3 +585,8 @@ regexp_escape(const char* str)
   *b = 0;
   return tmp;
 }
+
+uint32_t deltaU32(uint32_t a, uint32_t b)
+{
+  return (a > b) ? (a - b) : (b - a);
+}