diff options
Diffstat (limited to 'backend/hp4200.c')
| -rw-r--r-- | backend/hp4200.c | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/backend/hp4200.c b/backend/hp4200.c index 5b21b47..e4e885e 100644 --- a/backend/hp4200.c +++ b/backend/hp4200.c @@ -512,7 +512,7 @@ read_available_data (HP4200_Scanner * s, SANE_Byte * buffer, buffer += really_read; to_read -= really_read; #ifdef DEBUG - fprintf (stderr, "read %d bytes\n", really_read); + fprintf (stderr, "read %zu bytes\n", really_read); #endif } return SANE_STATUS_GOOD; @@ -941,7 +941,6 @@ compute_dpd (HP4200_Scanner * s, int step_size, int line_end) static SANE_Status read_required_bytes (HP4200_Scanner * s, int required, SANE_Byte * buffer) { - int read_count = 0; unsigned char scankb1; unsigned char scankb2; size_t to_read; @@ -987,7 +986,6 @@ read_required_bytes (HP4200_Scanner * s, int required, SANE_Byte * buffer) buffer += really_read; required -= really_read; to_read -= really_read; - read_count += really_read; } } @@ -2369,7 +2367,7 @@ sane_init (SANE_Int * version_code, SANE_Auth_Callback authorize) char dev_name[PATH_MAX]; FILE *fp; - authorize = authorize; /* keep gcc quiet */ + (void) authorize; /* keep gcc quiet */ DBG_INIT (); @@ -2939,7 +2937,7 @@ sane_set_io_mode (SANE_Handle handle, SANE_Bool non_blocking) HP4200_Scanner *dev = handle; SANE_Status status; - non_blocking = non_blocking; /* silence gcc */ + (void) non_blocking; /* silence gcc */ if (dev->scanning == SANE_FALSE) { @@ -2965,8 +2963,8 @@ sane_get_select_fd (SANE_Handle h, SANE_Int * fd) { static char me[] = "sane_get_select_fd"; - h = h; /* keep gcc quiet */ - fd = fd; /* keep gcc quiet */ + (void) h; /* keep gcc quiet */ + (void) fd; /* keep gcc quiet */ DBG (DBG_proc, "%s\n", me); return SANE_STATUS_UNSUPPORTED; |