harmonize coding style

This commit is contained in:
marschap
2006-04-08 16:10:19 +00:00
parent 51dc6dcdfc
commit a1d741745a
+48 -95
View File
@@ -35,11 +35,7 @@ unsigned char GLKBufferEmpty = 0xff ;
* Open and configure a serial port for communication with * Open and configure a serial port for communication with
* a Matrix Orbital module (GLK or otherwise) * a Matrix Orbital module (GLK or otherwise)
*/ */
GLKDisplay * GLKDisplay *glkopen(char *name, tcflag_t speed)
glkopen(
char * name,
tcflag_t speed
)
{ {
int fd; int fd;
struct termios new; struct termios new;
@@ -49,12 +45,12 @@ GLKDisplay *
/* Invalid arguments */ /* Invalid arguments */
errno = EINVAL; errno = EINVAL;
return(NULL); return(NULL);
}; }
fd = open(name, O_RDWR | O_NOCTTY); fd = open(name, O_RDWR | O_NOCTTY);
if (fd < 0) { if (fd < 0) {
return(NULL); return(NULL);
}; }
/* Get current settings */ /* Get current settings */
if (tcgetattr(fd, &new) < 0) { if (tcgetattr(fd, &new) < 0) {
@@ -62,13 +58,13 @@ GLKDisplay *
close(fd); close(fd);
errno = errsave; errno = errsave;
return(NULL); return(NULL);
}; }
retval = malloc(sizeof(GLKDisplay)); retval = malloc(sizeof(GLKDisplay));
if (retval == NULL) { if (retval == NULL) {
errno = ENOMEM; errno = ENOMEM;
return(NULL); return(NULL);
}; }
retval->fd = fd; retval->fd = fd;
retval->saved = new; retval->saved = new;
retval->ungetin = retval->ungetout = 0; retval->ungetin = retval->ungetout = 0;
@@ -106,7 +102,7 @@ GLKDisplay *
glkclose(retval); glkclose(retval);
errno = errsave; errno = errsave;
return(NULL); return(NULL);
}; }
return(retval); return(retval);
} }
@@ -117,28 +113,25 @@ GLKDisplay *
* a read will block (glkget) waiting on data. * a read will block (glkget) waiting on data.
*/ */
int int
glktimeout( glktimeout(GLKDisplay *fd, int timeout)
GLKDisplay * fd,
int timeout
)
{ {
struct termios t; struct termios t;
if (timeout < 0 || timeout > 255) { if (timeout < 0 || timeout > 255) {
errno = EINVAL; /* Invalid argument */ errno = EINVAL; /* Invalid argument */
return(1); /* Failure */ return(1); /* Failure */
}; }
if (tcgetattr(fd->fd, &t) < 0) { if (tcgetattr(fd->fd, &t) < 0) {
return(1); return(1);
}; }
fd->timeout = timeout; fd->timeout = timeout;
t.c_cc[VTIME] = timeout; t.c_cc[VTIME] = timeout;
if (tcsetattr(fd->fd, TCSANOW, &t) < 0) { if (tcsetattr(fd->fd, TCSANOW, &t) < 0) {
return(1); return(1);
}; }
return(0); /* Success */ return(0); /* Success */
} }
@@ -151,25 +144,20 @@ int
*/ */
#define GLKBUF (96) #define GLKBUF (96)
int int
glkflow( glkflow(GLKDisplay *fd, int full, int empty)
GLKDisplay * fd,
int full,
int empty
)
{ {
struct termios t; struct termios t;
if( full > GLKBUF -1 if ((full > GLKBUF -1)
|| empty > GLKBUF -1 || (empty > GLKBUF -1)
|| full + empty > GLKBUF -1 || (full + empty > GLKBUF -1)) {
) {
errno = EINVAL; errno = EINVAL;
return(1); return(1);
}; }
if (tcgetattr(fd->fd, &t) < 0) { if (tcgetattr(fd->fd, &t) < 0) {
return(1); /* Failure */ return(1); /* Failure */
}; }
if (full < 0 || empty < 0) { if (full < 0 || empty < 0) {
/* Turn it off */ /* Turn it off */
@@ -178,7 +166,8 @@ int
t.c_cc[VSTART] = GLKBufferEmpty; t.c_cc[VSTART] = GLKBufferEmpty;
t.c_cc[VSTOP] = GLKBufferFull; t.c_cc[VSTOP] = GLKBufferFull;
fd->flow = GLKFLOW_DISABLE; fd->flow = GLKFLOW_DISABLE;
} else { }
else {
/* Turn it on */ /* Turn it on */
glkputl(fd, GLKCommand, 0x3a, full, empty, EOF); glkputl(fd, GLKCommand, 0x3a, full, empty, EOF);
/* Control what we send */ /* Control what we send */
@@ -189,11 +178,11 @@ int
t.c_cc[VSTART] = GLKBufferEmpty; t.c_cc[VSTART] = GLKBufferEmpty;
t.c_cc[VSTOP] = GLKBufferFull; t.c_cc[VSTOP] = GLKBufferFull;
fd->flow = GLKFLOW_OK; fd->flow = GLKFLOW_OK;
}; }
if (tcsetattr(fd->fd, TCSANOW, &t) < 0) { if (tcsetattr(fd->fd, TCSANOW, &t) < 0) {
return(1); return(1);
}; }
return(0); /* Success */ return(0); /* Success */
} }
@@ -203,16 +192,14 @@ int
* Close a serial port and restore settings if provided. * Close a serial port and restore settings if provided.
*/ */
int int
glkclose( glkclose(GLKDisplay *fd)
GLKDisplay * fd
)
{ {
int retval = 0; int retval = 0;
if (fd->fd < 0) { if (fd->fd < 0) {
/* Probably already closed */ /* Probably already closed */
return(0); /* Success? */ return(0); /* Success? */
}; }
/* Trash any unread data */ /* Trash any unread data */
tcflush(fd->fd, TCIFLUSH); tcflush(fd->fd, TCIFLUSH);
@@ -234,10 +221,7 @@ int
* Send a character to the GLK * Send a character to the GLK
*/ */
int INLINE int INLINE
glkput( glkput(GLKDisplay *fd, int c)
GLKDisplay * fd,
int c
)
{ {
unsigned char val; unsigned char val;
ssize_t retval; ssize_t retval;
@@ -262,15 +246,12 @@ int INLINE
* flow control signals * flow control signals
*/ */
int int
glkunget( glkunget(GLKDisplay *fd, int c)
GLKDisplay * fd,
int c
)
{ {
/* Is buffer already full? */ /* Is buffer already full? */
if (((fd->ungetin + 1) & (~UNGETBUFSIZE)) == fd->ungetout) { if (((fd->ungetin + 1) & (~UNGETBUFSIZE)) == fd->ungetout) {
return(1); /* Failure */ return(1); /* Failure */
}; }
fd->ungetbuf[fd->ungetin] = c; fd->ungetbuf[fd->ungetin] = c;
fd->ungetin = (fd->ungetin + 1) & (~UNGETBUFSIZE); fd->ungetin = (fd->ungetin + 1) & (~UNGETBUFSIZE);
@@ -283,9 +264,7 @@ int
* Read a character from the GLK * Read a character from the GLK
*/ */
int INLINE int INLINE
glkget( glkget(GLKDisplay *fd)
GLKDisplay * fd
)
{ {
unsigned char c; unsigned char c;
ssize_t retval; ssize_t retval;
@@ -295,7 +274,7 @@ int INLINE
return(-1); return(-1);
} else { } else {
return((int) c); return((int) c);
}; }
} }
/* glkpoll /* glkpoll
@@ -304,10 +283,7 @@ int INLINE
* GLK. * GLK.
*/ */
int int
glkpoll( glkpoll(GLKDisplay *fd, int timeout)
GLKDisplay * fd,
int timeout
)
{ {
struct pollfd fds; struct pollfd fds;
int retval; int retval;
@@ -319,7 +295,7 @@ int
if (retval < 0) { if (retval < 0) {
/* Some error. Ignore it, and return "no data" */ /* Some error. Ignore it, and return "no data" */
retval = 0; retval = 0;
}; }
return(retval); return(retval);
} }
@@ -332,9 +308,7 @@ int
* GLKBufferFull and GLKBufferEmpty whereas glkgetc wil NOT. * GLKBufferFull and GLKBufferEmpty whereas glkgetc wil NOT.
*/ */
int int
glkgetc( glkgetc(GLKDisplay *fd)
GLKDisplay * fd
)
{ {
int c; int c;
@@ -351,20 +325,19 @@ int
} else if (c == GLKBufferEmpty) { } else if (c == GLKBufferEmpty) {
fd->flow = GLKFLOW_OK; fd->flow = GLKFLOW_OK;
continue; continue;
}; }
}; }
/* Must be what we're looking for */ /* Must be what we're looking for */
break; break;
}; }
}
} else { else {
/* Get one of the "ungotten" char's */ /* Get one of the "ungotten" char's */
c = fd->ungetbuf[fd->ungetout]; c = fd->ungetbuf[fd->ungetout];
fd->ungetout = (fd->ungetout + 1) & (~UNGETBUFSIZE); fd->ungetout = (fd->ungetout + 1) & (~UNGETBUFSIZE);
}; }
return(c); return(c);
} }
@@ -375,10 +348,7 @@ int
* confirmation of echo * confirmation of echo
*/ */
int int
glkput_confirm( glkput_confirm(GLKDisplay *fd, int c)
GLKDisplay * fd,
int c
)
{ {
int echo; int echo;
@@ -391,7 +361,7 @@ int
echo = glkget(fd); echo = glkget(fd);
if (echo < 0) { if (echo < 0) {
return(1); /* Failure */ return(1); /* Failure */
}; }
if (echo == c) { if (echo == c) {
glkput(fd, GLKConfirm); glkput(fd, GLKConfirm);
@@ -408,11 +378,7 @@ int
* confirmation. * confirmation.
*/ */
int int
glkputa_confirm( glkputa_confirm(GLKDisplay *fd, int len, unsigned char *str)
GLKDisplay * fd,
int len,
unsigned char * str
)
{ {
int i; int i;
int retval; int retval;
@@ -420,7 +386,7 @@ int
retval = 0; /* Assume Success */ retval = 0; /* Assume Success */
for (i = len; !retval && i; ++str, --i) { for (i = len; !retval && i; ++str, --i) {
retval = glkput_confirm(fd, *str); retval = glkput_confirm(fd, *str);
}; }
return(retval); return(retval);
} }
@@ -430,10 +396,7 @@ int
* Send a character to the GLK on fd with echo expected * Send a character to the GLK on fd with echo expected
*/ */
int int
glkput_echo( glkput_echo(GLKDisplay *fd, int c)
GLKDisplay * fd,
int c
)
{ {
int echo; int echo;
@@ -446,7 +409,7 @@ int
echo = glkget(fd); echo = glkget(fd);
if (echo < 0) { if (echo < 0) {
return(1); /* Failure */ return(1); /* Failure */
}; }
if (echo == c) { if (echo == c) {
return(0); /* Success */ return(0); /* Success */
@@ -461,10 +424,7 @@ int
* terminated by an EOF valued argument. * terminated by an EOF valued argument.
*/ */
int int
glkputl( glkputl(GLKDisplay *fd, ...)
GLKDisplay * fd,
...
)
{ {
va_list ap; va_list ap;
int value; int value;
@@ -477,7 +437,7 @@ int
while (!retval && value != EOF) { while (!retval && value != EOF) {
retval = glkput(fd, value); retval = glkput(fd, value);
value = va_arg(ap, int); value = va_arg(ap, int);
}; }
return(retval); return(retval);
} }
@@ -488,10 +448,7 @@ int
* GLK. * GLK.
*/ */
int int
glkputs( glkputs(GLKDisplay *fd, char *str)
GLKDisplay * fd,
char * str
)
{ {
register char *p = str; register char *p = str;
int retval; int retval;
@@ -499,7 +456,7 @@ int
retval = 0; /* Success */ retval = 0; /* Success */
for (p = str; !retval && *p; ++p) { for (p = str; !retval && *p; ++p) {
retval = glkput(fd, *p); retval = glkput(fd, *p);
}; }
return(retval); return(retval);
} }
@@ -509,11 +466,7 @@ int
* Send an array of characters. * Send an array of characters.
*/ */
int int
glkputa( glkputa(GLKDisplay *fd, int len, unsigned char *str)
GLKDisplay * fd,
int len,
unsigned char * str
)
{ {
register unsigned char *p = str; register unsigned char *p = str;
int i; int i;
@@ -522,7 +475,7 @@ int
retval = 0; /* Assume Success */ retval = 0; /* Assume Success */
for (i = len; !retval && i; ++p, --i) { for (i = len; !retval && i; ++p, --i) {
retval = glkput(fd, *p); retval = glkput(fd, *p);
}; }
return(retval); return(retval);
} }