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Add check for joystick when initializing library 

Fix C++ inclusion
pull/7/head
nirenjan 2015-12-06 12:57:15 -08:00
parent f2ee9707cb
commit b7141a3e8b
2 changed files with 8 additions and 3 deletions
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4
libx52/src/libx52.h
View File

@ -15,7 +15,7 @@
#include <time.h>
#include <stdint.h>
#ifndef __cplusplus
#ifdef __cplusplus
extern "C" {
#endif
@ -313,7 +313,7 @@ int libx52_update(libx52_device *x52);
*/
int libx52_vendor_command(libx52_device *x52, uint16_t index, uint16_t value);
#ifndef __cplusplus
#ifdef __cplusplus
}
#endif

7
libx52/src/x52_core.c
View File

@ -47,7 +47,7 @@ libx52_device* libx52_init(void)
libx52_device *x52_dev;
/* Allocate memory for the library's data structures */
x52_dev = malloc(sizeof(libx52_device));
x52_dev = calloc(1, sizeof(libx52_device));
if (!x52_dev) {
errno = ENOMEM;
return NULL;
@ -77,6 +77,11 @@ libx52_device* libx52_init(void)
}
libusb_free_device_list(list, 1);
/* Make sure we actually have an X52 device detected */
if (!x52_dev->hdl) {
goto err_recovery;
}
return x52_dev;
err_recovery:
free(x52_dev);