Need to nullify a pointer when BAS exits so that it is in the right state on restart. Also bring a few global variables into the NuttX naming convention

This commit is contained in:
Gregory Nutt 2014-11-08 08:40:12 -06:00
parent f9a3267f56
commit 0b955aeb3c
2 changed files with 214 additions and 207 deletions

View File

@ -94,9 +94,9 @@
* Private Data
****************************************************************************/
static struct FileStream **file;
static int capacity;
static int used;
static struct FileStream **g_file;
static int g_capacity;
static int g_used;
static const int open_mode[4] = { 0, O_RDONLY, O_WRONLY, O_RDWR };
const char *FS_errmsg;
@ -108,26 +108,26 @@ static char FS_errmsgbuf[80];
static int size(int dev)
{
if (dev >= capacity)
if (dev >= g_capacity)
{
int i;
struct FileStream **n;
n = (struct FileStream **)
realloc(file, (dev + 1) * sizeof(struct FileStream *));
realloc(g_file, (dev + 1) * sizeof(struct FileStream *));
if (n == (struct FileStream **)0)
{
FS_errmsg = strerror(errno);
return -1;
}
file = n;
for (i = capacity; i <= dev; ++i)
g_file = n;
for (i = g_capacity; i <= dev; ++i)
{
file[i] = (struct FileStream *)0;
g_file[i] = (struct FileStream *)0;
}
capacity = dev + 1;
g_capacity = dev + 1;
}
return 0;
@ -137,7 +137,7 @@ static int opened(int dev, int mode)
{
int fd = -1;
if (dev < 0 || dev >= capacity || file[dev] == (struct FileStream *)0)
if (dev < 0 || dev >= g_capacity || g_file[dev] == (struct FileStream *)0)
{
snprintf(FS_errmsgbuf, sizeof(FS_errmsgbuf), _("channel #%d not open"),
dev);
@ -154,7 +154,7 @@ static int opened(int dev, int mode)
{
case 0:
{
fd = file[dev]->outfd;
fd = g_file[dev]->outfd;
if (fd == -1)
{
snprintf(FS_errmsgbuf, sizeof(FS_errmsgbuf),
@ -165,7 +165,7 @@ static int opened(int dev, int mode)
case 1:
{
fd = file[dev]->infd;
fd = g_file[dev]->infd;
if (fd == -1)
{
snprintf(FS_errmsgbuf, sizeof(FS_errmsgbuf),
@ -176,7 +176,7 @@ static int opened(int dev, int mode)
case 2:
{
fd = file[dev]->randomfd;
fd = g_file[dev]->randomfd;
if (fd == -1)
{
snprintf(FS_errmsgbuf, sizeof(FS_errmsgbuf),
@ -187,7 +187,7 @@ static int opened(int dev, int mode)
case 3:
{
fd = file[dev]->binaryfd;
fd = g_file[dev]->binaryfd;
if (fd == -1)
{
snprintf(FS_errmsgbuf, sizeof(FS_errmsgbuf),
@ -198,9 +198,7 @@ static int opened(int dev, int mode)
case 4:
{
fd =
(file[dev]->randomfd !=
-1 ? file[dev]->randomfd : file[dev]->binaryfd);
fd = (g_file[dev]->randomfd != -1 ? g_file[dev]->randomfd : g_file[dev]->binaryfd);
if (fd == -1)
{
snprintf(FS_errmsgbuf, sizeof(FS_errmsgbuf),
@ -230,7 +228,7 @@ static int refill(int dev)
struct FileStream *f;
ssize_t len;
f = file[dev];
f = g_file[dev];
f->inSize = 0;
len = read(f->infd, f->inBuf, sizeof(f->inBuf));
if (len <= 0)
@ -248,7 +246,7 @@ static int refill(int dev)
static int edit(int chn, int onl)
{
struct FileStream *f = file[chn];
struct FileStream *f = g_file[chn];
char *buf = f->inBuf;
char ch;
int r;
@ -425,35 +423,35 @@ int FS_opendev(int chn, int infd, int outfd)
return -1;
}
if (file[chn] != (struct FileStream *)0)
if (g_file[chn] != (struct FileStream *)0)
{
FS_errmsg = _("channel already open");
return -1;
}
file[chn] = malloc(sizeof(struct FileStream));
file[chn]->dev = 1;
g_file[chn] = malloc(sizeof(struct FileStream));
g_file[chn]->dev = 1;
#ifdef CONFIG_SERIAL_TERMIOS
file[chn]->tty = (infd == 0 ? isatty(infd) && isatty(outfd) : 0);
g_file[chn]->tty = (infd == 0 ? isatty(infd) && isatty(outfd) : 0);
#else
file[chn]->tty = 1;
g_file[chn]->tty = 1;
#endif
file[chn]->recLength = 1;
file[chn]->infd = infd;
file[chn]->inSize = 0;
file[chn]->inCapacity = 0;
file[chn]->outfd = outfd;
file[chn]->outPos = 0;
file[chn]->outLineWidth = LINEWIDTH;
file[chn]->outColWidth = COLWIDTH;
file[chn]->outCapacity = sizeof(file[chn]->outBuf);
file[chn]->outSize = 0;
file[chn]->outforeground = -1;
file[chn]->outbackground = -1;
file[chn]->randomfd = -1;
file[chn]->binaryfd = -1;
g_file[chn]->recLength = 1;
g_file[chn]->infd = infd;
g_file[chn]->inSize = 0;
g_file[chn]->inCapacity = 0;
g_file[chn]->outfd = outfd;
g_file[chn]->outPos = 0;
g_file[chn]->outLineWidth = LINEWIDTH;
g_file[chn]->outColWidth = COLWIDTH;
g_file[chn]->outCapacity = sizeof(g_file[chn]->outBuf);
g_file[chn]->outSize = 0;
g_file[chn]->outforeground = -1;
g_file[chn]->outbackground = -1;
g_file[chn]->randomfd = -1;
g_file[chn]->binaryfd = -1;
FS_errmsg = (const char *)0;
++used;
++g_used;
return 0;
}
@ -467,9 +465,9 @@ int FS_openin(const char *name)
return -1;
}
for (chn = 0; chn < capacity; ++chn)
for (chn = 0; chn < g_capacity; ++chn)
{
if (file[chn] == (struct FileStream *)0)
if (g_file[chn] == (struct FileStream *)0)
{
break;
}
@ -480,18 +478,18 @@ int FS_openin(const char *name)
return -1;
}
file[chn] = malloc(sizeof(struct FileStream));
file[chn]->recLength = 1;
file[chn]->dev = 0;
file[chn]->tty = 0;
file[chn]->infd = fd;
file[chn]->inSize = 0;
file[chn]->inCapacity = 0;
file[chn]->outfd = -1;
file[chn]->randomfd = -1;
file[chn]->binaryfd = -1;
g_file[chn] = malloc(sizeof(struct FileStream));
g_file[chn]->recLength = 1;
g_file[chn]->dev = 0;
g_file[chn]->tty = 0;
g_file[chn]->infd = fd;
g_file[chn]->inSize = 0;
g_file[chn]->inCapacity = 0;
g_file[chn]->outfd = -1;
g_file[chn]->randomfd = -1;
g_file[chn]->binaryfd = -1;
FS_errmsg = (const char *)0;
++used;
++g_used;
return chn;
}
@ -505,7 +503,7 @@ int FS_openinChn(int chn, const char *name, int mode)
return -1;
}
if (file[chn] != (struct FileStream *)0)
if (g_file[chn] != (struct FileStream *)0)
{
FS_errmsg = _("channel already open");
return -1;
@ -532,18 +530,18 @@ int FS_openinChn(int chn, const char *name, int mode)
return -1;
}
file[chn] = malloc(sizeof(struct FileStream));
file[chn]->recLength = 1;
file[chn]->dev = 0;
file[chn]->tty = 0;
file[chn]->infd = fd;
file[chn]->inSize = 0;
file[chn]->inCapacity = 0;
file[chn]->outfd = -1;
file[chn]->randomfd = -1;
file[chn]->binaryfd = -1;
g_file[chn] = malloc(sizeof(struct FileStream));
g_file[chn]->recLength = 1;
g_file[chn]->dev = 0;
g_file[chn]->tty = 0;
g_file[chn]->infd = fd;
g_file[chn]->inSize = 0;
g_file[chn]->inCapacity = 0;
g_file[chn]->outfd = -1;
g_file[chn]->randomfd = -1;
g_file[chn]->binaryfd = -1;
FS_errmsg = (const char *)0;
++used;
++g_used;
return chn;
}
@ -557,9 +555,9 @@ int FS_openout(const char *name)
return -1;
}
for (chn = 0; chn < capacity; ++chn)
for (chn = 0; chn < g_capacity; ++chn)
{
if (file[chn] == (struct FileStream *)0)
if (g_file[chn] == (struct FileStream *)0)
{
break;
}
@ -570,21 +568,21 @@ int FS_openout(const char *name)
return -1;
}
file[chn] = malloc(sizeof(struct FileStream));
file[chn]->recLength = 1;
file[chn]->dev = 0;
file[chn]->tty = 0;
file[chn]->infd = -1;
file[chn]->outfd = fd;
file[chn]->outPos = 0;
file[chn]->outLineWidth = LINEWIDTH;
file[chn]->outColWidth = COLWIDTH;
file[chn]->outSize = 0;
file[chn]->outCapacity = sizeof(file[chn]->outBuf);
file[chn]->randomfd = -1;
file[chn]->binaryfd = -1;
g_file[chn] = malloc(sizeof(struct FileStream));
g_file[chn]->recLength = 1;
g_file[chn]->dev = 0;
g_file[chn]->tty = 0;
g_file[chn]->infd = -1;
g_file[chn]->outfd = fd;
g_file[chn]->outPos = 0;
g_file[chn]->outLineWidth = LINEWIDTH;
g_file[chn]->outColWidth = COLWIDTH;
g_file[chn]->outSize = 0;
g_file[chn]->outCapacity = sizeof(g_file[chn]->outBuf);
g_file[chn]->randomfd = -1;
g_file[chn]->binaryfd = -1;
FS_errmsg = (const char *)0;
++used;
++g_used;
return chn;
}
@ -598,7 +596,7 @@ int FS_openoutChn(int chn, const char *name, int mode, int append)
return -1;
}
if (file[chn] != (struct FileStream *)0)
if (g_file[chn] != (struct FileStream *)0)
{
FS_errmsg = _("channel already open");
return -1;
@ -627,21 +625,21 @@ int FS_openoutChn(int chn, const char *name, int mode, int append)
return -1;
}
file[chn] = malloc(sizeof(struct FileStream));
file[chn]->recLength = 1;
file[chn]->dev = 0;
file[chn]->tty = 0;
file[chn]->infd = -1;
file[chn]->outfd = fd;
file[chn]->outPos = 0;
file[chn]->outLineWidth = LINEWIDTH;
file[chn]->outColWidth = COLWIDTH;
file[chn]->outSize = 0;
file[chn]->outCapacity = sizeof(file[chn]->outBuf);
file[chn]->randomfd = -1;
file[chn]->binaryfd = -1;
g_file[chn] = malloc(sizeof(struct FileStream));
g_file[chn]->recLength = 1;
g_file[chn]->dev = 0;
g_file[chn]->tty = 0;
g_file[chn]->infd = -1;
g_file[chn]->outfd = fd;
g_file[chn]->outPos = 0;
g_file[chn]->outLineWidth = LINEWIDTH;
g_file[chn]->outColWidth = COLWIDTH;
g_file[chn]->outSize = 0;
g_file[chn]->outCapacity = sizeof(g_file[chn]->outBuf);
g_file[chn]->randomfd = -1;
g_file[chn]->binaryfd = -1;
FS_errmsg = (const char *)0;
++used;
++g_used;
return chn;
}
@ -657,7 +655,7 @@ int FS_openrandomChn(int chn, const char *name, int mode, int recLength)
return -1;
}
if (file[chn] != (struct FileStream *)0)
if (g_file[chn] != (struct FileStream *)0)
{
FS_errmsg = _("channel already open");
return -1;
@ -669,19 +667,19 @@ int FS_openrandomChn(int chn, const char *name, int mode, int recLength)
return -1;
}
file[chn] = malloc(sizeof(struct FileStream));
file[chn]->recLength = recLength;
file[chn]->dev = 0;
file[chn]->tty = 0;
file[chn]->infd = -1;
file[chn]->outfd = -1;
file[chn]->randomfd = fd;
file[chn]->recBuf = malloc(recLength);
memset(file[chn]->recBuf, 0, recLength);
StringField_new(&file[chn]->field);
file[chn]->binaryfd = -1;
g_file[chn] = malloc(sizeof(struct FileStream));
g_file[chn]->recLength = recLength;
g_file[chn]->dev = 0;
g_file[chn]->tty = 0;
g_file[chn]->infd = -1;
g_file[chn]->outfd = -1;
g_file[chn]->randomfd = fd;
g_file[chn]->recBuf = malloc(recLength);
memset(g_file[chn]->recBuf, 0, recLength);
StringField_new(&g_file[chn]->field);
g_file[chn]->binaryfd = -1;
FS_errmsg = (const char *)0;
++used;
++g_used;
return chn;
}
@ -696,7 +694,7 @@ int FS_openbinaryChn(int chn, const char *name, int mode)
return -1;
}
if (file[chn] != (struct FileStream *)0)
if (g_file[chn] != (struct FileStream *)0)
{
FS_errmsg = _("channel already open");
return -1;
@ -707,16 +705,17 @@ int FS_openbinaryChn(int chn, const char *name, int mode)
FS_errmsg = strerror(errno);
return -1;
}
file[chn] = malloc(sizeof(struct FileStream));
file[chn]->recLength = 1;
file[chn]->dev = 0;
file[chn]->tty = 0;
file[chn]->infd = -1;
file[chn]->outfd = -1;
file[chn]->randomfd = -1;
file[chn]->binaryfd = fd;
g_file[chn] = malloc(sizeof(struct FileStream));
g_file[chn]->recLength = 1;
g_file[chn]->dev = 0;
g_file[chn]->tty = 0;
g_file[chn]->infd = -1;
g_file[chn]->outfd = -1;
g_file[chn]->randomfd = -1;
g_file[chn]->binaryfd = fd;
FS_errmsg = (const char *)0;
++used;
++g_used;
return chn;
}
@ -724,7 +723,7 @@ int FS_freechn(void)
{
int i;
for (i = 0; i < capacity && file[i]; ++i);
for (i = 0; i < g_capacity && g_file[i]; ++i);
if (size(i) == -1)
{
return -1;
@ -738,18 +737,18 @@ int FS_flush(int dev)
ssize_t written;
size_t offset;
if (file[dev] == (struct FileStream *)0)
if (g_file[dev] == (struct FileStream *)0)
{
FS_errmsg = _("channel not open");
return -1;
}
offset = 0;
while (offset < file[dev]->outSize)
while (offset < g_file[dev]->outSize)
{
written =
write(file[dev]->outfd, file[dev]->outBuf + offset,
file[dev]->outSize - offset);
write(g_file[dev]->outfd, g_file[dev]->outBuf + offset,
g_file[dev]->outSize - offset);
if (written == -1)
{
FS_errmsg = strerror(errno);
@ -761,55 +760,56 @@ int FS_flush(int dev)
}
}
file[dev]->outSize = 0;
g_file[dev]->outSize = 0;
FS_errmsg = (const char *)0;
return 0;
}
int FS_close(int dev)
{
if (file[dev] == (struct FileStream *)0)
if (g_file[dev] == (struct FileStream *)0)
{
FS_errmsg = _("channel not open");
return -1;
}
if (file[dev]->outfd >= 0)
if (g_file[dev]->outfd >= 0)
{
if (file[dev]->tty &&
(file[dev]->outforeground != -1 || file[dev]->outbackground != -1))
if (g_file[dev]->tty &&
(g_file[dev]->outforeground != -1 || g_file[dev]->outbackground != -1))
{
resetcolour(dev);
}
FS_flush(dev);
close(file[dev]->outfd);
close(g_file[dev]->outfd);
}
if (file[dev]->randomfd >= 0)
if (g_file[dev]->randomfd >= 0)
{
StringField_destroy(&file[dev]->field);
free(file[dev]->recBuf);
close(file[dev]->randomfd);
StringField_destroy(&g_file[dev]->field);
free(g_file[dev]->recBuf);
close(g_file[dev]->randomfd);
}
if (file[dev]->binaryfd >= 0)
if (g_file[dev]->binaryfd >= 0)
{
close(file[dev]->binaryfd);
close(g_file[dev]->binaryfd);
}
if (file[dev]->infd >= 0)
if (g_file[dev]->infd >= 0)
{
close(file[dev]->infd);
close(g_file[dev]->infd);
}
free(file[dev]);
file[dev] = (struct FileStream *)0;
free(g_file[dev]);
g_file[dev] = (struct FileStream *)0;
FS_errmsg = (const char *)0;
if (--used == 0)
if (--g_used == 0)
{
free(file);
capacity = 0;
free(g_file);
g_file = (struct FileStream **)0;
g_capacity = 0;
}
return 0;
@ -818,7 +818,7 @@ int FS_close(int dev)
#ifdef CONFIG_SERIAL_TERMIOS
int FS_istty(int chn)
{
return (file[chn] && file[chn]->tty);
return (g_file[chn] && g_file[chn]->tty);
}
#endif
@ -827,19 +827,19 @@ int FS_lock(int chn, off_t offset, off_t length, int mode, int w)
int fd;
struct flock recordLock;
if (file[chn] == (struct FileStream *)0)
if (g_file[chn] == (struct FileStream *)0)
{
FS_errmsg = _("channel not open");
return -1;
}
if ((fd = file[chn]->infd) == -1)
if ((fd = g_file[chn]->infd) == -1)
{
if ((fd = file[chn]->outfd) == -1)
if ((fd = g_file[chn]->outfd) == -1)
{
if ((fd = file[chn]->randomfd) == -1)
if ((fd = g_file[chn]->randomfd) == -1)
{
if ((fd = file[chn]->binaryfd) == -1)
if ((fd = g_file[chn]->binaryfd) == -1)
assert(0);
}
}
@ -881,19 +881,19 @@ int FS_truncate(int chn)
int fd;
off_t o;
if (file[chn] == (struct FileStream *)0)
if (g_file[chn] == (struct FileStream *)0)
{
FS_errmsg = _("channel not open");
return -1;
}
if ((fd = file[chn]->infd) == -1)
if ((fd = g_file[chn]->infd) == -1)
{
if ((fd = file[chn]->outfd) == -1)
if ((fd = g_file[chn]->outfd) == -1)
{
if ((fd = file[chn]->randomfd) == -1)
if ((fd = g_file[chn]->randomfd) == -1)
{
if ((fd = file[chn]->binaryfd) == -1)
if ((fd = g_file[chn]->binaryfd) == -1)
{
assert(0);
}
@ -937,11 +937,11 @@ int FS_put(int chn)
}
offset = 0;
while (offset < file[chn]->recLength)
while (offset < g_file[chn]->recLength)
{
written =
write(file[chn]->randomfd, file[chn]->recBuf + offset,
file[chn]->recLength - offset);
write(g_file[chn]->randomfd, g_file[chn]->recBuf + offset,
g_file[chn]->recLength - offset);
if (written == -1)
{
FS_errmsg = strerror(errno);
@ -966,7 +966,7 @@ int FS_putChar(int dev, char ch)
return -1;
}
f = file[dev];
f = g_file[dev];
if (ch == '\n')
{
f->outPos = 0;
@ -1041,7 +1041,7 @@ int FS_putItem(int dev, const struct String *s)
return -1;
}
f = file[dev];
f = g_file[dev];
if (f->outPos && f->outPos + s->length > f->outLineWidth)
{
FS_nextline(dev);
@ -1058,7 +1058,7 @@ int FS_putbinaryString(int chn, const struct String *s)
}
if (s->length &&
write(file[chn]->binaryfd, s->character, s->length) != s->length)
write(g_file[chn]->binaryfd, s->character, s->length) != s->length)
{
FS_errmsg = strerror(errno);
return -1;
@ -1082,7 +1082,7 @@ int FS_putbinaryInteger(int chn, long int x)
s[i] = (x & 0xff);
}
if (write(file[chn]->binaryfd, s, sizeof(s)) != sizeof(s))
if (write(g_file[chn]->binaryfd, s, sizeof(s)) != sizeof(s))
{
FS_errmsg = strerror(errno);
return -1;
@ -1098,7 +1098,7 @@ int FS_putbinaryReal(int chn, double x)
return -1;
}
if (write(file[chn]->binaryfd, &x, sizeof(x)) != sizeof(x))
if (write(g_file[chn]->binaryfd, &x, sizeof(x)) != sizeof(x))
{
FS_errmsg = strerror(errno);
return -1;
@ -1117,7 +1117,7 @@ int FS_getbinaryString(int chn, struct String *s)
}
if (s->length &&
(len = read(file[chn]->binaryfd, s->character, s->length)) != s->length)
(len = read(g_file[chn]->binaryfd, s->character, s->length)) != s->length)
{
if (len == -1)
{
@ -1125,7 +1125,7 @@ int FS_getbinaryString(int chn, struct String *s)
}
else
{
FS_errmsg = _("End of file");
FS_errmsg = _("End of g_file");
}
return -1;
@ -1145,7 +1145,7 @@ int FS_getbinaryInteger(int chn, long int *x)
return -1;
}
if ((len = read(file[chn]->binaryfd, s, sizeof(s))) != sizeof(s))
if ((len = read(g_file[chn]->binaryfd, s, sizeof(s))) != sizeof(s))
{
if (len == -1)
{
@ -1177,7 +1177,7 @@ int FS_getbinaryReal(int chn, double *x)
return -1;
}
if ((len = read(file[chn]->binaryfd, x, sizeof(*x))) != sizeof(*x))
if ((len = read(g_file[chn]->binaryfd, x, sizeof(*x))) != sizeof(*x))
{
if (len == -1)
{
@ -1203,7 +1203,7 @@ int FS_nextcol(int dev)
return -1;
}
f = file[dev];
f = g_file[dev];
if (f->outPos % f->outColWidth
&& f->outLineWidth
&& ((f->outPos / f->outColWidth + 2) * f->outColWidth) > f->outLineWidth)
@ -1236,7 +1236,7 @@ int FS_nextline(int dev)
return -1;
}
f = file[dev];
f = g_file[dev];
if (f->outPos && FS_putChar(dev, '\n') == -1)
{
return -1;
@ -1247,7 +1247,7 @@ int FS_nextline(int dev)
int FS_tab(int dev, int position)
{
struct FileStream *f = file[dev];
struct FileStream *f = g_file[dev];
if (f->outLineWidth && position >= f->outLineWidth)
{
@ -1278,7 +1278,7 @@ int FS_width(int dev, int width)
return -1;
}
file[dev]->outLineWidth = width;
g_file[dev]->outLineWidth = width;
return 0;
}
@ -1295,7 +1295,7 @@ int FS_zone(int dev, int zone)
return -1;
}
file[dev]->outColWidth = zone;
g_file[dev]->outColWidth = zone;
return 0;
}
@ -1308,7 +1308,7 @@ int FS_cls(int chn)
return -1;
}
f = file[chn];
f = g_file[chn];
if (!f->tty)
{
FS_errmsg = _("not a terminal");
@ -1338,7 +1338,7 @@ int FS_locate(int chn, int line, int column)
return -1;
}
f = file[chn];
f = g_file[chn];
if (!f->tty)
{
FS_errmsg = _("not a terminal");
@ -1368,7 +1368,7 @@ int FS_colour(int chn, int foreground, int background)
return -1;
}
f = file[chn];
f = g_file[chn];
if (!f->tty)
{
FS_errmsg = _("not a terminal");
@ -1394,7 +1394,7 @@ int FS_getChar(int dev)
return -1;
}
f = file[dev];
f = g_file[dev];
if (f->inSize == f->inCapacity && refill(dev) == -1)
{
return -1;
@ -1424,11 +1424,11 @@ int FS_get(int chn)
}
offset = 0;
while (offset < file[chn]->recLength)
while (offset < g_file[chn]->recLength)
{
rd =
read(file[chn]->randomfd, file[chn]->recBuf + offset,
file[chn]->recLength - offset);
read(g_file[chn]->randomfd, g_file[chn]->recBuf + offset,
g_file[chn]->recLength - offset);
if (rd == -1)
{
FS_errmsg = strerror(errno);
@ -1459,7 +1459,7 @@ int FS_inkeyChar(int dev, int ms)
return -1;
}
f = file[dev];
f = g_file[dev];
if (f->inSize < f->inCapacity)
{
return f->inBuf[f->inSize++];
@ -1530,7 +1530,7 @@ int FS_eof(int chn)
return -1;
}
f = file[chn];
f = g_file[chn];
if (f->inSize == f->inCapacity && refill(chn) == -1)
{
return 1;
@ -1549,23 +1549,23 @@ long int FS_loc(int chn)
return -1;
}
if (file[chn]->infd != -1)
if (g_file[chn]->infd != -1)
{
fd = file[chn]->infd;
offset = -file[chn]->inCapacity + file[chn]->inSize;
fd = g_file[chn]->infd;
offset = -g_file[chn]->inCapacity + g_file[chn]->inSize;
}
else if (file[chn]->outfd != -1)
else if (g_file[chn]->outfd != -1)
{
fd = file[chn]->outfd;
offset = file[chn]->outSize;
fd = g_file[chn]->outfd;
offset = g_file[chn]->outSize;
}
else if (file[chn]->randomfd != -1)
else if (g_file[chn]->randomfd != -1)
{
fd = file[chn]->randomfd;
fd = g_file[chn]->randomfd;
}
else
{
fd = file[chn]->binaryfd;
fd = g_file[chn]->binaryfd;
}
assert(fd != -1);
@ -1575,7 +1575,7 @@ long int FS_loc(int chn)
return -1;
}
return (cur + offset) / file[chn]->recLength;
return (cur + offset) / g_file[chn]->recLength;
}
long int FS_lof(int chn)
@ -1589,21 +1589,21 @@ long int FS_lof(int chn)
return -1;
}
if (file[chn]->infd != -1)
if (g_file[chn]->infd != -1)
{
fd = file[chn]->infd;
fd = g_file[chn]->infd;
}
else if (file[chn]->outfd != -1)
else if (g_file[chn]->outfd != -1)
{
fd = file[chn]->outfd;
fd = g_file[chn]->outfd;
}
else if (file[chn]->randomfd != -1)
else if (g_file[chn]->randomfd != -1)
{
fd = file[chn]->randomfd;
fd = g_file[chn]->randomfd;
}
else
{
fd = file[chn]->binaryfd;
fd = g_file[chn]->binaryfd;
}
assert(fd != -1);
@ -1636,7 +1636,7 @@ long int FS_lof(int chn)
return -1;
}
return (long int)(endpos / file[chn]->recLength);
return (long int)(endpos / g_file[chn]->recLength);
}
long int FS_recLength(int chn)
@ -1646,13 +1646,13 @@ long int FS_recLength(int chn)
return -1;
}
return file[chn]->recLength;
return g_file[chn]->recLength;
}
void FS_field(int chn, struct String *s, long int position, long int length)
{
assert(file[chn]);
String_joinField(s, &file[chn]->field, file[chn]->recBuf + position, length);
assert(g_file[chn]);
String_joinField(s, &g_file[chn]->field, g_file[chn]->recBuf + position, length);
}
int FS_seek(int chn, long int record)
@ -1660,7 +1660,7 @@ int FS_seek(int chn, long int record)
if (opened(chn, 2) != -1)
{
if (lseek
(file[chn]->randomfd, (off_t) record * file[chn]->recLength,
(g_file[chn]->randomfd, (off_t) record * g_file[chn]->recLength,
SEEK_SET) != -1)
{
return 0;
@ -1670,7 +1670,7 @@ int FS_seek(int chn, long int record)
}
else if (opened(chn, 4) != -1)
{
if (lseek(file[chn]->binaryfd, (off_t) record, SEEK_SET) != -1)
if (lseek(g_file[chn]->binaryfd, (off_t) record, SEEK_SET) != -1)
{
return 0;
}
@ -1685,7 +1685,7 @@ int FS_appendToString(int chn, struct String *s, int onl)
{
size_t new;
char *n;
struct FileStream *f = file[chn];
struct FileStream *f = g_file[chn];
int c;
if (f->tty && f->inSize == f->inCapacity)
@ -1762,10 +1762,16 @@ void FS_closefiles(void)
{
int i;
for (i = 0; i < capacity; ++i)
/* Example each entry in the g_files[] arrary */
for (i = 0; i < g_capacity; ++i)
{
if (file[i] && !file[i]->dev)
/* Has this entry been allocated? Is it a file? Or a device? */
if (g_file[i] && !g_file[i]->dev)
{
/* It is an open file, close it */
FS_close(i);
}
}
@ -1773,13 +1779,13 @@ void FS_closefiles(void)
int FS_charpos(int chn)
{
if (file[chn] == (struct FileStream *)0)
if (g_file[chn] == (struct FileStream *)0)
{
FS_errmsg = _("channel not open");
return -1;
}
return (file[chn]->outPos);
return (g_file[chn]->outPos);
}
int FS_copy(const char *from, const char *to)

View File

@ -63,6 +63,7 @@
* Included Files
****************************************************************************/
#include <sys/types.h>
#include "str.h"
/****************************************************************************