Fix build warning related to pcid_cmp_by_addy()'s prototype

2 files changed, 12 insertions, 4 deletions

diff --git a/hardinfo/pci_util.c b/hardinfo/pci_util.c
index 69150732..e96eda9c 100644
--- a/hardinfo/pci_util.c
+++ b/hardinfo/pci_util.c
@@ -151,9 +151,17 @@ static gboolean pci_lookup_ids(pcid *d) {
     return ret;
 }
 
-gint pcid_cmp_by_addy(const pcid* a, const pcid* b) {
-    if (!a || !b) return (!!a - !!b);
-    return g_strcmp0(a->slot_str, b->slot_str);
+gint pcid_cmp_by_addy(gconstpointer a, gconstpointer b)
+{
+    const struct pcid *dev_a = a;
+    const struct pcid *dev_b = b;
+
+    if (!dev_a)
+        return !!dev_b;
+    if (!dev_b)
+        return !!dev_a;
+
+    return g_strcmp0(dev_a->slot_str, dev_b->slot_str);
 }
 
 void pcid_free(pcid *s) {
diff --git a/includes/pci_util.h b/includes/pci_util.h
index 07b09627..498c42a8 100644
--- a/includes/pci_util.h
+++ b/includes/pci_util.h
@@ -58,7 +58,7 @@ typedef struct pcid {
 pcid *pci_get_device(uint32_t dom, uint32_t bus, uint32_t dev, uint32_t func);
 pcid *pci_get_device_str(const char *addy);
 #define pcid_new() g_new0(pcid, 1)
-gint pcid_cmp_by_addy(const pcid* a, const pcid* b);
+gint pcid_cmp_by_addy(gconstpointer a, gconstpointer b);
 void pcid_free(pcid *);
 
 typedef GSList* pcid_list;