Apple-2-Tools/apple2pi
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Fix release iobuf on open error

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dschmenk 2013-09-07 23:06:22 -07:00
parent 8a092aec35
commit 6b2e0ece19
1 changed files with 15 additions and 4 deletions
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19
src/fusea2pi.c
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@ -215,6 +215,7 @@ struct stat *unix_stat(struct stat *stbuf, int storage, int access, int blocks,
/* /*
* ProDOS calls to Apple II Pi. * ProDOS calls to Apple II Pi.
*/ */
#if 0
static int io_buff_mask = 0; static int io_buff_mask = 0;
static int prodos_alloc_io_buff(void) static int prodos_alloc_io_buff(void)
{ {
@ -223,18 +224,25 @@ static int prodos_alloc_io_buff(void)
if ((io_buff_mask & (1 << i)) == 0) if ((io_buff_mask & (1 << i)) == 0)
{ {
io_buff_mask |= (1 << i); io_buff_mask |= (1 << i);
//printf("Alloc io_buff $%04X\n", PRODOS_IO_BUFFER + PRODOS_IO_BUFFER_LEN * i);
return (PRODOS_IO_BUFFER + PRODOS_IO_BUFFER_LEN * i); return (PRODOS_IO_BUFFER + PRODOS_IO_BUFFER_LEN * i);
} }
return 0; return 0;
} }
static int prodos_free_io_buff(int buf) static int prodos_free_io_buff(int buf)
{ {
//printf("Free io_buff $%04X\n", buf);
if (buf < PRODOS_IO_BUFFER || buf > (PRODOS_IO_BUFFER + PRODOS_IO_BUFFER_LEN * PRODOS_IO_BUFFER_NUM)) if (buf < PRODOS_IO_BUFFER || buf > (PRODOS_IO_BUFFER + PRODOS_IO_BUFFER_LEN * PRODOS_IO_BUFFER_NUM))
return -1; return -1;
int i = (buf - PRODOS_IO_BUFFER) / PRODOS_IO_BUFFER_LEN; int i = (buf - PRODOS_IO_BUFFER) / PRODOS_IO_BUFFER_LEN;
io_buff_mask &= ~(1 << i); io_buff_mask &= ~(1 << i);
return i; return i;
} }
#else
#define prodos_alloc_io_buff() PRODOS_IO_BUFFER
#define prodos_free_io_buff(b)
#endif
static int prodos_open(unsigned char *prodos_path, int *io_buff) static int prodos_open(unsigned char *prodos_path, int *io_buff)
{ {
unsigned char refnum; unsigned char refnum;
@ -261,8 +269,12 @@ static int prodos_open(unsigned char *prodos_path, int *io_buff)
a2read(pifd, PRODOS_PARAM_BUFFER + 5, 1, &refnum); a2read(pifd, PRODOS_PARAM_BUFFER + 5, 1, &refnum);
return refnum; return refnum;
} }
prodos_free_io_buff(*io_buff);
*io_buff = 0;
return -result; return -result;
} }
prodos_free_io_buff(*io_buff);
*io_buff = 0;
return -PRODOS_ERR_UNKNOWN; return -PRODOS_ERR_UNKNOWN;
} }
static int prodos_close(int refnum, int *io_buff) static int prodos_close(int refnum, int *io_buff)
@ -613,6 +625,7 @@ static int prodos_map_errno(int perr)
case -PRODOS_ERR_ACCESS: case -PRODOS_ERR_ACCESS:
case -PRODOS_ERR_FILE_OPEN: case -PRODOS_ERR_FILE_OPEN:
case -PRODOS_ERR_DUP_VOL: case -PRODOS_ERR_DUP_VOL:
case -PRODOS_ERR_VOL_DIR_FULL:
uerr = -EACCES; uerr = -EACCES;
break; break;
case -PRODOS_ERR_BAD_CMD: case -PRODOS_ERR_BAD_CMD:
@ -629,9 +642,7 @@ static int prodos_map_errno(int perr)
case -PRODOS_ERR_BAD_BITMAP: case -PRODOS_ERR_BAD_BITMAP:
case -PRODOS_ERR_BAD_BUF_ADDR: case -PRODOS_ERR_BAD_BUF_ADDR:
case -PRODOS_ERR_UNKNOWN: case -PRODOS_ERR_UNKNOWN:
case -PRODOS_ERR_FCB_FULL: case -PRODOS_ERR_FCB_FULL:
case -PRODOS_ERR_VOL_DIR_FULL:
case -PRODOS_ERR_VCB_FULL: case -PRODOS_ERR_VCB_FULL:
case -PRODOS_ERR_POS_RANGE: case -PRODOS_ERR_POS_RANGE:
uerr = -1; uerr = -1;
@ -1000,8 +1011,8 @@ static int a2pi_write(const char *path, const char *buf, size_t size, off_t offs
if ((refnum = prodos_open(prodos_path(path, NULL, NULL, NULL), &io_buff)) > 0) if ((refnum = prodos_open(prodos_path(path, NULL, NULL, NULL), &io_buff)) > 0)
{ {
if (offset && prodos_set_mark(refnum, offset) == -PRODOS_ERR_EOF) if (offset)
size = 0; prodos_set_mark(refnum, offset);
if (size) if (size)
size = prodos_write(refnum, buf, size); size = prodos_write(refnum, buf, size);
prodos_close(refnum, &io_buff); prodos_close(refnum, &io_buff);