Change iphone_debug to be an API call

Change the iphone_debug to use the new API

1 files changed, 49 insertions, 41 deletions

diff --git a/src/iphone.c b/src/iphone.c
index c14d61b..4980078 100644
--- a/src/iphone.c
+++ b/src/iphone.c
@@ -27,7 +27,18 @@
 #include <stdlib.h>
 #include <string.h>
 
-extern int debug;
+int iphone_debug = 0;
+
+/**
+ * Sets the level of debugging. Currently the only acceptable values are 0 and
+ * 1.
+ *
+ * @param level Set to 0 for no debugging or 1 for debugging.
+ */
+void iphone_set_debug(int level)
+{
+        iphone_debug = level;
+}
 
 /**
  * Given a USB bus and device number, returns a device handle to the iPhone on
@@ -42,8 +53,7 @@ extern int debug;
  *      descriptor on return. 
  * @return IPHONE_E_SUCCESS if ok, otherwise an error code.
  */
-iphone_error_t iphone_get_specific_device(int bus_n, int dev_n,
-        iphone_device_t *device)
+iphone_error_t iphone_get_specific_device(int bus_n, int dev_n, iphone_device_t * device)
 {
         struct usb_bus *bus, *busses;
         struct usb_device *dev;
@@ -69,26 +79,26 @@ iphone_error_t iphone_get_specific_device(int bus_n, int dev_n,
 
         // Set the device configuration
         for (bus = busses; bus; bus = bus->next)
-        if (bus->location == bus_n)
-            for (dev = bus->devices; dev != NULL; dev = dev->next)
-                if (dev->devnum == dev_n) {
-                    phone->__device = dev;
-                    phone->device = usb_open(phone->__device);
-                    usb_set_configuration(phone->device, 3);
-                    usb_claim_interface(phone->device, 1);
-                    goto found;
-                }
+                if (bus->location == bus_n)
+                        for (dev = bus->devices; dev != NULL; dev = dev->next)
+                                if (dev->devnum == dev_n) {
+                                        phone->__device = dev;
+                                        phone->device = usb_open(phone->__device);
+                                        usb_set_configuration(phone->device, 3);
+                                        usb_claim_interface(phone->device, 1);
+                                        goto found;
+                                }
 
-    iphone_free_device(phone);
-    if (debug)
-        fprintf(stderr, "iphone_get_specific_device: iPhone not found\n");
-    return IPHONE_E_NO_DEVICE;
+        iphone_free_device(phone);
+        if (iphone_debug)
+                fprintf(stderr, "iphone_get_specific_device: iPhone not found\n");
+        return IPHONE_E_NO_DEVICE;
 
-found:
+  found:
         // Send the version command to the phone
-    version = version_header();
+        version = version_header();
         bytes = usb_bulk_write(phone->device, BULKOUT, (char *) version, sizeof(*version), 800);
-        if (bytes < 20 && debug) {
+        if (bytes < 20 && iphone_debug) {
                 fprintf(stderr, "get_iPhone(): libusb did NOT send enough!\n");
                 if (bytes < 0) {
                         fprintf(stderr, "get_iPhone(): libusb gave me the error %d: %s (%s)\n",
@@ -102,9 +112,9 @@ found:
         if (bytes < 20) {
                 free(version);
                 iphone_free_device(phone);
-                if (debug)
+                if (iphone_debug)
                         fprintf(stderr, "get_iPhone(): Invalid version message -- header too short.\n");
-                if (debug && bytes < 0)
+                if (iphone_debug && bytes < 0)
                         fprintf(stderr, "get_iPhone(): libusb error message %d: %s (%s)\n",
                                         bytes, usb_strerror(), strerror(-bytes));
                 return IPHONE_E_NOT_ENOUGH_DATA;
@@ -120,13 +130,13 @@ found:
                 // Bad header
                 iphone_free_device(phone);
                 free(version);
-                if (debug)
+                if (iphone_debug)
                         fprintf(stderr, "get_iPhone(): Received a bad header/invalid version number.");
                 return IPHONE_E_BAD_HEADER;
         }
 
         // If it got to this point it's gotta be bad
-        if (debug)
+        if (iphone_debug)
                 fprintf(stderr, "get_iPhone(): Unknown error.\n");
         iphone_free_device(phone);
         free(version);
@@ -149,24 +159,22 @@ found:
  *  will be filled with a handle to the device.
  * @return IPHONE_E_SUCCESS if ok, otherwise an error code.
  */
-iphone_error_t iphone_get_device(iphone_device_t *device)
+iphone_error_t iphone_get_device(iphone_device_t * device)
 {
-    struct usb_bus *bus, *busses;
-    struct usb_device *dev;
+        struct usb_bus *bus, *busses;
+        struct usb_device *dev;
 
-    usb_init();
-    usb_find_busses();
-    usb_find_devices();
+        usb_init();
+        usb_find_busses();
+        usb_find_devices();
 
-    for (bus = usb_get_busses(); bus != NULL; bus = bus->next)
-        for (dev = bus->devices; dev != NULL; dev = dev->next)
-            if (dev->descriptor.idVendor == 0x05ac
-                    && dev->descriptor.idProduct >= 0x1290
-                    && dev->descriptor.idProduct <= 0x1293)
-                return iphone_get_specific_device(bus->location, dev->devnum,
-                        device);
+        for (bus = usb_get_busses(); bus != NULL; bus = bus->next)
+                for (dev = bus->devices; dev != NULL; dev = dev->next)
+                        if (dev->descriptor.idVendor == 0x05ac
+                                && dev->descriptor.idProduct >= 0x1290 && dev->descriptor.idProduct <= 0x1293)
+                                return iphone_get_specific_device(bus->location, dev->devnum, device);
 
-    return IPHONE_E_NO_DEVICE;
+        return IPHONE_E_NO_DEVICE;
 }
 
 /** Cleans up an iPhone structure, then frees the structure itself.  
@@ -210,12 +218,12 @@ int send_to_phone(iphone_device_t phone, char *data, int datalen)
 
         if (!phone)
                 return -1;
-        if (debug)
+        if (iphone_debug)
                 fprintf(stderr, "send_to_phone: Attempting to send datalen = %i data = %p\n", datalen, data);
 
         bytes = usb_bulk_write(phone->device, BULKOUT, data, datalen, 800);
         if (bytes < datalen) {
-                if (debug && bytes < 0)
+                if (iphone_debug && bytes < 0)
                         fprintf(stderr, "send_to_iphone(): libusb gave me the error %d: %s - %s\n", bytes, usb_strerror(),
                                         strerror(-bytes));
                 return -1;
@@ -242,12 +250,12 @@ int recv_from_phone(iphone_device_t phone, char *data, int datalen)
 
         if (!phone)
                 return -1;
-        if (debug)
+        if (iphone_debug)
                 fprintf(stderr, "recv_from_phone(): attempting to receive %i bytes\n", datalen);
 
         bytes = usb_bulk_read(phone->device, BULKIN, data, datalen, 3500);
         if (bytes < 0) {
-                if (debug)
+                if (iphone_debug)
                         fprintf(stderr, "recv_from_phone(): libusb gave me the error %d: %s (%s)\n", bytes, usb_strerror(),
                                         strerror(-bytes));
                 return -1;