mirror of
https://gitlab.os-k.eu/os-k-team/os-k.git
synced 2023-08-25 14:03:10 +02:00
Merge branch 'master' into shell
This commit is contained in:
commit
502d0afba1
2
Makefile
2
Makefile
@ -328,7 +328,7 @@ dddnokvm: all installonimage
|
||||
## HD IMAGE RELATED ---------------------------------------------------------- #
|
||||
|
||||
installonimage: $(installdisk) $(MBRDIR)/grub.cfg
|
||||
@echo ${CL2}[$@] ${NC}Installing MBR on image...${CL3}
|
||||
@echo ${CL2}[$@] ${NC}Installing boot configuration on image...${CL3}
|
||||
@$(BUILDDIR)/install-os-k.sh $(installdisk) $(MBRDIR)/grub.cfg $(BINDIR)/kaleid
|
||||
@echo ${CL2}[$@] ${CL}Success.${CL3}
|
||||
|
||||
|
||||
@ -76,7 +76,7 @@ fi
|
||||
|
||||
if [ -z $lpblock ];
|
||||
then
|
||||
echo No loop device partition to target. Fatal error !
|
||||
echo Impossible to find an available loop device. Fatal error !
|
||||
return 13
|
||||
fi
|
||||
|
||||
|
||||
@ -31,21 +31,45 @@ NC='\033[1;37m'
|
||||
set -e #exit if error
|
||||
|
||||
echo ${CL2}[install-os-k.sh]${NC} Mount image... \(udisksctl\)${CL3}
|
||||
udisksctl loop-setup --offset 1048576 --no-user-interaction --file $1
|
||||
lpblock=$(/sbin/losetup -j $1 | cut -d ':' -f 1)
|
||||
lpblock=$(udisksctl loop-setup --offset 1048576 --no-user-interaction --file $1 | cut -d ' ' -f 5 | sed 's/\.//g')
|
||||
|
||||
echo ${CL2}[install-os-k.sh]${NC} Sync image... \(sync\)${CL3}
|
||||
sync
|
||||
|
||||
if [ -z $lpblock ];
|
||||
then
|
||||
echo Impossible to find an available loop device. Fatal error !
|
||||
return 13
|
||||
fi
|
||||
|
||||
mountpoint=$(udisksctl info -b $lpblock | grep MountPoint | cut -d ':' -f 2 | sed 's/ //g')
|
||||
|
||||
echo ${CL2}[install-os-k.sh]${NC} Copying grub.cfg
|
||||
if [ -z $mountpoint ];
|
||||
then
|
||||
mountpoint=$(udisksctl mount -b $lpblock | cut -d ' ' -f 4 | sed 's/\.//g')
|
||||
fi
|
||||
|
||||
if [ -z $mountpoint ];
|
||||
then
|
||||
echo Impossible to mount the image at $lpblock. Fatal error !
|
||||
return 13
|
||||
fi
|
||||
|
||||
echo ${CL2}[install-os-k.sh]${NC} Copying grub.cfg to $lpblock as $mountpoint
|
||||
cp $2 $mountpoint/boot/grub/grub.cfg
|
||||
echo ${CL2}[install-os-k.sh]${NC} Copying kernel
|
||||
echo ${CL2}[install-os-k.sh]${NC} Copying kernel to $lpblock as $mountpoint
|
||||
cp $3 $mountpoint/boot/kaleid
|
||||
|
||||
echo ${CL2}[install-os-k.sh]${NC} Sync image... \(sync\)${CL3}
|
||||
sync
|
||||
|
||||
echo ${CL2}[install-os-k.sh]${NC} Unmount image... \(udisksctl\)${CL3}
|
||||
udisksctl unmount --no-user-interaction -b $lpblock
|
||||
udisksctl unmount --no-user-interaction -b $lpblock
|
||||
|
||||
lpblock=$(/sbin/losetup -j $1 | cut -d ':' -f 1)
|
||||
if [ -z $lpblock ];
|
||||
then
|
||||
return 0
|
||||
fi
|
||||
|
||||
udisksctl loop-delete -b $lpblock
|
||||
|
||||
@ -61,8 +61,8 @@ extern const char *PsPrioClassesNames[];
|
||||
// Re-scheduling and preemption
|
||||
// XXX atomic operations
|
||||
//
|
||||
#define PsRequestReSched() (++KeCurCPU->needReSched)
|
||||
#define PsDisablePreemption() (++KeCurCPU->preemptCount)
|
||||
#define PsRequestReSched() do { ++KeCurCPU->needReSched; } while (0)
|
||||
#define PsDisablePreemption() do { ++KeCurCPU->preemptCount; } while (0)
|
||||
#define PsEnablePreemption() do { assert(KeCurCPU->preemptCount > 0); \
|
||||
--KeCurCPU->preemptCount; } while(0)
|
||||
|
||||
|
||||
@ -138,14 +138,18 @@ int BGetState(Buffer_t *);
|
||||
error_t BFlushBuf(Buffer_t *);
|
||||
|
||||
error_t BPutOnBuf(Buffer_t *, uchar);
|
||||
error_t BWriteOnBuf(Buffer_t *, uchar *, size_t);
|
||||
error_t BPrintOnBuf(Buffer_t *, const char *, ...);
|
||||
error_t BPrintOnBufV(Buffer_t *, const char *, va_list);
|
||||
|
||||
error_t BGetFromBuf(Buffer_t *, uchar *);
|
||||
error_t BReadBuf(Buffer_t *, uchar *, size_t);
|
||||
error_t BScanBuf(Buffer_t *, const char *, ...);
|
||||
error_t BScanBufV(Buffer_t *, const char *, va_list);
|
||||
|
||||
// The following functions return the number of bytes written to the buffer
|
||||
size_t BWriteOnBuf(Buffer_t *, uchar *, size_t);
|
||||
size_t BPrintOnBuf(Buffer_t *, const char *, ...);
|
||||
size_t BPrintOnBufV(Buffer_t *, const char *, va_list);
|
||||
|
||||
// The following functions return the number of elements from their
|
||||
// va_list's their wrote too, e.g. successful bscanf("%d %d", &a, &b) == 2
|
||||
size_t BReadFromBuf(Buffer_t *, uchar *, size_t);
|
||||
size_t BScanFromBuf(Buffer_t *, const char *, ...);
|
||||
size_t BScanFromBufV(Buffer_t *, const char *, va_list);
|
||||
|
||||
void BLockBuf(Buffer_t *);
|
||||
void BUnlockBuf(Buffer_t *);
|
||||
@ -157,14 +161,14 @@ bool BTrylockBuf(Buffer_t *);
|
||||
//
|
||||
|
||||
error_t bputc(Buffer_t *, uchar);
|
||||
error_t bwrite(Buffer_t *, uchar *, size_t);
|
||||
error_t bprintf(Buffer_t *, const char *, ...);
|
||||
error_t vbprintf(Buffer_t *, const char *, va_list);
|
||||
size_t bwrite(Buffer_t *, uchar *, size_t);
|
||||
size_t bprintf(Buffer_t *, const char *, ...);
|
||||
size_t vbprintf(Buffer_t *, const char *, va_list);
|
||||
|
||||
error_t bgetc(Buffer_t *, uchar *);
|
||||
error_t bread(Buffer_t *, uchar *, size_t);
|
||||
error_t bscanf(Buffer_t *, const char *, ...);
|
||||
error_t vbscanf(Buffer_t *, const char *, va_list);
|
||||
size_t bread(Buffer_t *, uchar *, size_t);
|
||||
size_t bscanf(Buffer_t *, const char *, ...);
|
||||
size_t vbscanf(Buffer_t *, const char *, va_list);
|
||||
|
||||
error_t bemptybuf(Buffer_t *);
|
||||
error_t bscrolldown(Buffer_t *);
|
||||
|
||||
@ -146,8 +146,12 @@ char *strrev(char *restrict, const char *restrict);
|
||||
char *strrev2(char *);
|
||||
|
||||
size_t sprintf(char *, const char *, ...);
|
||||
size_t snprintf(char *, size_t, const char *, ...);
|
||||
size_t vsprintf(char *, const char *, va_list);
|
||||
|
||||
// These return the number of bytes **written**
|
||||
// not the number of bytes which would have been
|
||||
// written had the buffer been large enough
|
||||
size_t snprintf(char *, size_t, const char *, ...);
|
||||
size_t vsnprintf(char *, size_t, const char *, va_list);
|
||||
|
||||
//----------------------------------------------------------------------------//
|
||||
|
||||
@ -26,7 +26,6 @@
|
||||
#include <ke/proc.h>
|
||||
#include <io/vga.h>
|
||||
|
||||
error_t vbprintf(Buffer_t *buf, const char *fmt, va_list ap);
|
||||
extern bool KeIdtIsInitialized;
|
||||
|
||||
//
|
||||
|
||||
@ -43,6 +43,9 @@ error_t BGetFromBuf(Buffer_t *buf, uchar *ch)
|
||||
ExReleaseLock(&buf->lock);
|
||||
return rc;
|
||||
}
|
||||
|
||||
// Note: any change to this must be done while
|
||||
// keeping in mind vbscanf()'s workaround for ungetc()
|
||||
error_t bgetc(Buffer_t *buf, uchar *ch)
|
||||
{
|
||||
error_t rc = EOK;
|
||||
@ -70,6 +73,9 @@ error_t bgetc(Buffer_t *buf, uchar *ch)
|
||||
while (buf->rp >= buf->wp) {
|
||||
#ifdef _KALEID_KERNEL
|
||||
KeSleep(1); // XXX synchronization with keyboard driver
|
||||
#else
|
||||
buf->flags |= BF_EOF;
|
||||
return EENDF; // Currently empty
|
||||
#endif
|
||||
}
|
||||
|
||||
|
||||
@ -31,73 +31,41 @@
|
||||
//
|
||||
// Prints formatted string on buf according to fmt
|
||||
//
|
||||
error_t BPrintOnBuf(Buffer_t *buf, const char *fmt, ...)
|
||||
size_t BPrintOnBuf(Buffer_t *buf, const char *fmt, ...)
|
||||
{
|
||||
error_t rc;
|
||||
size_t sz;
|
||||
va_list ap;
|
||||
|
||||
va_start(ap, fmt);
|
||||
ExAcquireLock(&buf->lock);
|
||||
rc = vbprintf(buf, fmt, ap);
|
||||
sz = vbprintf(buf, fmt, ap);
|
||||
ExReleaseLock(&buf->lock);
|
||||
va_end(ap);
|
||||
|
||||
return rc;
|
||||
return sz;
|
||||
}
|
||||
|
||||
error_t BPrintOnBufV(Buffer_t *buf, const char *fmt, va_list ap)
|
||||
size_t BPrintOnBufV(Buffer_t *buf, const char *fmt, va_list ap)
|
||||
{
|
||||
error_t rc;
|
||||
size_t sz;
|
||||
|
||||
ExAcquireLock(&buf->lock);
|
||||
rc = vbprintf(buf, fmt, ap);
|
||||
sz = vbprintf(buf, fmt, ap);
|
||||
ExReleaseLock(&buf->lock);
|
||||
|
||||
return rc;
|
||||
return sz;
|
||||
}
|
||||
|
||||
error_t bprintf(Buffer_t *buf, const char *fmt, ...)
|
||||
size_t bprintf(Buffer_t *buf, const char *fmt, ...)
|
||||
{
|
||||
error_t rc;
|
||||
size_t sz;
|
||||
va_list ap;
|
||||
|
||||
va_start(ap, fmt);
|
||||
rc = vbprintf(buf, fmt, ap);
|
||||
sz = vbprintf(buf, fmt, ap);
|
||||
va_end(ap);
|
||||
|
||||
return rc;
|
||||
}
|
||||
|
||||
//
|
||||
// Prints 0 for octal, 0x for hexadecimal, 0b for binary
|
||||
//
|
||||
static error_t bprinthash(Buffer_t *buf, int base, int cap)
|
||||
{
|
||||
error_t rc;
|
||||
|
||||
if (base != 2 && base != 8 && base != 16) {
|
||||
return EOK;
|
||||
}
|
||||
|
||||
rc = bputc(buf, '0');
|
||||
|
||||
if (!rc && base != 8) {
|
||||
rc = bputc(buf, (base == 2 ? 'b' : (cap ? 'X' : 'x')));
|
||||
}
|
||||
|
||||
return rc;
|
||||
}
|
||||
|
||||
static error_t bdopadding(Buffer_t *buf, size_t width, size_t len,
|
||||
char filler)
|
||||
{
|
||||
error_t rc = EOK;
|
||||
|
||||
for (; !rc && width > len ; width--) {
|
||||
rc = bputc(buf, filler);
|
||||
}
|
||||
|
||||
return rc;
|
||||
return sz;
|
||||
}
|
||||
|
||||
#define CONVBUFSIZE 100
|
||||
@ -106,9 +74,10 @@ static error_t bdopadding(Buffer_t *buf, size_t width, size_t len,
|
||||
// Actually does BPrintOnBuf's job; doesn't lock anything
|
||||
// Quite a long function
|
||||
//
|
||||
error_t vbprintf(Buffer_t *buf, const char *fmt, va_list ap)
|
||||
size_t vbprintf(Buffer_t *buf, const char *fmt, va_list ap)
|
||||
{
|
||||
error_t rc = 0;
|
||||
size_t written = 0;
|
||||
|
||||
ssize_t width, prec, len;
|
||||
char type;
|
||||
@ -134,10 +103,11 @@ error_t vbprintf(Buffer_t *buf, const char *fmt, va_list ap)
|
||||
// Base
|
||||
int base;
|
||||
|
||||
if (!buf || !fmt) return EINVAL;
|
||||
if (buf->flags & (BF_EOF|BF_ERR)) return EENDF;
|
||||
if (!buf || !fmt) { seterrno(EINVAL); return 0; }
|
||||
if (buf->flags & (BF_EOF|BF_ERR)) { seterrno(EENDF); return 0; }
|
||||
if (buf->state != BS_RDWR && buf->state != BS_WRONLY) {
|
||||
return EBADF;
|
||||
seterrno(EBADF);
|
||||
return 0;
|
||||
}
|
||||
|
||||
// Progress in format string
|
||||
@ -146,14 +116,14 @@ error_t vbprintf(Buffer_t *buf, const char *fmt, va_list ap)
|
||||
// Deal with all non-'%' characters
|
||||
if (*fmt != '%') {
|
||||
rc = bputc(buf, *fmt);
|
||||
|
||||
written++;
|
||||
fmt++;
|
||||
|
||||
continue;
|
||||
}
|
||||
|
||||
//
|
||||
// %[parameter][flags][width|*][.precision|*][length]type
|
||||
// We aren't dealing with parameters and floating stuff just yet
|
||||
// %[flags][width|*][.precision|*][length]type
|
||||
//
|
||||
|
||||
// Skip the '%'
|
||||
@ -162,8 +132,9 @@ error_t vbprintf(Buffer_t *buf, const char *fmt, va_list ap)
|
||||
// "%%" modifier
|
||||
if (*fmt == '%') {
|
||||
rc = bputc(buf, '%');
|
||||
|
||||
written++;
|
||||
fmt++;
|
||||
|
||||
continue;
|
||||
}
|
||||
|
||||
@ -253,6 +224,7 @@ error_t vbprintf(Buffer_t *buf, const char *fmt, va_list ap)
|
||||
if (type == 'c') {
|
||||
uch = (uchar)va_arg(ap, int);
|
||||
rc = bputc(buf, uch);
|
||||
written++;
|
||||
|
||||
continue;
|
||||
}
|
||||
@ -261,8 +233,10 @@ error_t vbprintf(Buffer_t *buf, const char *fmt, va_list ap)
|
||||
if (type == 'C') {
|
||||
base = va_arg(ap, int);
|
||||
|
||||
if (!(base < 0 || base > VGA_COLOR_WHITE))
|
||||
if (!(base < 0 || base > VGA_COLOR_WHITE)) {
|
||||
rc = bputc(buf, RtlColorToChar(base));
|
||||
written++;
|
||||
}
|
||||
|
||||
|
||||
assert(!rc && 1);
|
||||
@ -281,7 +255,7 @@ error_t vbprintf(Buffer_t *buf, const char *fmt, va_list ap)
|
||||
// Zero/nonspecified precision means unlimited amount
|
||||
if (prec == 0) prec = INT_MAX;
|
||||
|
||||
for (; *s && prec-- ; s++) {
|
||||
for (; !rc && *s && prec-- ; s++) {
|
||||
rc = bputc(buf, (uchar)*s);
|
||||
}
|
||||
|
||||
@ -292,6 +266,7 @@ error_t vbprintf(Buffer_t *buf, const char *fmt, va_list ap)
|
||||
// Make sure width and prec aren't too big
|
||||
// (We didn't do that earlier because %s uses width)
|
||||
if (width > CONVBUFSIZE || prec > CONVBUFSIZE) {
|
||||
written++; // Work around "if (rc) return written - 1;"
|
||||
rc = EINVAL;
|
||||
break;
|
||||
}
|
||||
@ -313,16 +288,16 @@ error_t vbprintf(Buffer_t *buf, const char *fmt, va_list ap)
|
||||
|
||||
// End of string too soon
|
||||
else if (type == '\0') {
|
||||
bputc(buf, '%');
|
||||
rc = EINVAL;
|
||||
written++; // fool the line "if (rc) return written-1;"
|
||||
break;
|
||||
}
|
||||
|
||||
// Unknown/unsupported modifier
|
||||
else {
|
||||
bputc(buf, '%');
|
||||
bputc(buf, '?');
|
||||
rc = bputc(buf, type);
|
||||
rc = bputc(buf, '%');
|
||||
written++;
|
||||
|
||||
continue;
|
||||
}
|
||||
|
||||
@ -382,36 +357,63 @@ error_t vbprintf(Buffer_t *buf, const char *fmt, va_list ap)
|
||||
}
|
||||
|
||||
// When padding with spaces, we pad before +/-'s etc
|
||||
if (!minus && !zero && width > len)
|
||||
bdopadding(buf, width, len, ' ');
|
||||
if (!minus && !zero && width > len) {
|
||||
for (; !rc && width > len ; width--) {
|
||||
rc = bputc(buf, ' ');
|
||||
written++;
|
||||
}
|
||||
}
|
||||
|
||||
// Deal with signs and the hash flag
|
||||
if (*s == '-') { rc = bputc(buf, '-'); s++, len--; }
|
||||
else if (sgn && plus) rc = bputc(buf, '+');
|
||||
else if (sgn && space) rc = bputc(buf, ' ');
|
||||
else if (hash) bprinthash(buf, base, cap);
|
||||
if (*s == '-') { rc = bputc(buf, '-'); s++, len--; written++; }
|
||||
else if (sgn && plus) { rc = bputc(buf, '+'); written++; }
|
||||
else if (sgn && space) { rc = bputc(buf, ' '); written++; }
|
||||
|
||||
// Print 0 for octal, 0x for hexadecimal, 0b for binary
|
||||
else if (hash && (base == 2 || base == 8 || base == 16)) {
|
||||
rc = bputc(buf, '0');
|
||||
written++;
|
||||
|
||||
if (!rc && base != 8) {
|
||||
rc = bputc(buf, (base == 2 ? 'b' : (cap ? 'X' : 'x')));
|
||||
written++;
|
||||
}
|
||||
}
|
||||
|
||||
// Deal with padding by zeroes
|
||||
// The 'minus' flag makes no sense with the 'zero' one
|
||||
if (zero && width > len)
|
||||
bdopadding(buf, width, len, '0');
|
||||
if (zero && width > len) {
|
||||
for (; !rc && width > len ; width--) {
|
||||
rc = bputc(buf, '0');
|
||||
written++;
|
||||
}
|
||||
}
|
||||
|
||||
// Output the actual number
|
||||
for (; !rc && *s ; s++) {
|
||||
rc = bputc(buf, (uchar)*s);
|
||||
written++;
|
||||
}
|
||||
|
||||
// 'minus' padding, only with spaces
|
||||
if (minus && !zero && width > len)
|
||||
bdopadding(buf, width, base, ' ');
|
||||
|
||||
if (minus && !zero && width > len) {
|
||||
for (; !rc && width > len ; width--) {
|
||||
rc = bputc(buf, ' ');
|
||||
written++;
|
||||
}
|
||||
}
|
||||
|
||||
// Carry on to next modifier
|
||||
}
|
||||
|
||||
// For debugging purposes
|
||||
if(rc)KeStartPanic("%s",strerror(rc));
|
||||
assert(!rc && "vbprintf() error");
|
||||
}
|
||||
|
||||
return rc;
|
||||
// For debugging purposes
|
||||
assert(!rc && "vbprintf() error");
|
||||
seterrno(rc);
|
||||
|
||||
if (rc)
|
||||
return written - 1; // "- 1" because last bputc() must have failed
|
||||
|
||||
else
|
||||
return written;
|
||||
}
|
||||
|
||||
|
||||
@ -23,4 +23,206 @@
|
||||
//----------------------------------------------------------------------------//
|
||||
|
||||
#include <lib/buf.h>
|
||||
|
||||
//
|
||||
// Builds string reading from buf according to fmt
|
||||
//
|
||||
size_t BScanFromBuf(Buffer_t *buf, const char *fmt, ...)
|
||||
{
|
||||
size_t sz;
|
||||
va_list ap;
|
||||
|
||||
va_start(ap, fmt);
|
||||
ExAcquireLock(&buf->lock);
|
||||
sz = vbscanf(buf, fmt, ap);
|
||||
ExReleaseLock(&buf->lock);
|
||||
va_end(ap);
|
||||
|
||||
return sz;
|
||||
}
|
||||
|
||||
size_t BScanFromBufV(Buffer_t *buf, const char *fmt, va_list ap)
|
||||
{
|
||||
size_t sz;
|
||||
|
||||
ExAcquireLock(&buf->lock);
|
||||
sz = vbscanf(buf, fmt, ap);
|
||||
ExReleaseLock(&buf->lock);
|
||||
|
||||
return sz;
|
||||
}
|
||||
|
||||
size_t bscanf(Buffer_t *buf, const char *fmt, ...)
|
||||
{
|
||||
size_t sz;
|
||||
va_list ap;
|
||||
|
||||
va_start(ap, fmt);
|
||||
sz = vbscanf(buf, fmt, ap);
|
||||
va_end(ap);
|
||||
|
||||
return sz;
|
||||
}
|
||||
|
||||
size_t vbscanf(Buffer_t *buf, const char *fmt, va_list ap)
|
||||
{
|
||||
error_t rc = EOK;
|
||||
|
||||
size_t readcnt = 0;
|
||||
uchar ch = 0;
|
||||
char *chptr;
|
||||
|
||||
bool l, h;
|
||||
|
||||
size_t width;
|
||||
bool ignore; // '*' modifier, don't write to va_list for current mod
|
||||
|
||||
if (!buf || !fmt) { seterrno(EINVAL); return 0; }
|
||||
if (buf->flags & (BF_EOF|BF_ERR)) { seterrno(EENDF); return 0; }
|
||||
if (buf->state != BS_RDWR && buf->state != BS_WRONLY) {
|
||||
seterrno(EBADF);
|
||||
return 0;
|
||||
}
|
||||
|
||||
// Progress in format string
|
||||
while (*fmt && !rc) {
|
||||
|
||||
// Skip all kinds of whitespaces
|
||||
if (isspace(*fmt)) {
|
||||
|
||||
another_space:
|
||||
rc = bgetc(buf, &ch);
|
||||
|
||||
if (!rc) break;
|
||||
|
||||
// Put back non-whitespaces and progress
|
||||
if (!isspace(ch)) {
|
||||
buf->rp--;
|
||||
do { fmt++; } while (isspace(*fmt));
|
||||
continue;
|
||||
}
|
||||
|
||||
else goto another_space;
|
||||
}
|
||||
|
||||
// Deal with all non-'%' non-whitespace characters
|
||||
if (*fmt != '%') {
|
||||
rc = bgetc(buf, &ch);
|
||||
|
||||
// Is it what we expected?
|
||||
if (!rc && ch != *fmt) {
|
||||
// No, so put it back
|
||||
buf->rp--;
|
||||
break;
|
||||
}
|
||||
|
||||
// We don't do anything with these characters
|
||||
continue;
|
||||
}
|
||||
|
||||
//
|
||||
// %[*][width][modifier]type
|
||||
//
|
||||
|
||||
// Skip the %
|
||||
fmt++;
|
||||
|
||||
// '%%' type
|
||||
if (*fmt == '%') {
|
||||
rc = bgetc(buf, &ch);
|
||||
|
||||
if (!rc && ch != '%') {
|
||||
buf->rp--;
|
||||
break;
|
||||
}
|
||||
|
||||
continue;
|
||||
}
|
||||
|
||||
l = h = 0;
|
||||
width = 0;
|
||||
ignore = 0;
|
||||
|
||||
// Don't write to variable
|
||||
if (*fmt == '*') {
|
||||
ignore = 1;
|
||||
fmt++;
|
||||
}
|
||||
|
||||
// Extract width field
|
||||
while (isdigit(*fmt)) {
|
||||
width = 10 * width + (*fmt - '0');
|
||||
fmt++;
|
||||
}
|
||||
|
||||
//
|
||||
// Extract length field
|
||||
//
|
||||
|
||||
if (*fmt == 'l') {
|
||||
l = 1;
|
||||
fmt++;
|
||||
}
|
||||
|
||||
else if (*fmt == 'h') {
|
||||
h = 1;
|
||||
fmt++;
|
||||
}
|
||||
|
||||
//
|
||||
// Types
|
||||
//
|
||||
|
||||
// Read character(s)
|
||||
if (*fmt == 'c') {
|
||||
if (width == 0) width = 1;
|
||||
|
||||
// For >1 width, read that many characters
|
||||
// then store them in successive argument pointers
|
||||
for (; width; width--) {
|
||||
rc = bgetc(buf, &ch);
|
||||
if (!rc) break;
|
||||
if (ignore) continue;
|
||||
|
||||
chptr = va_arg(ap, char *);
|
||||
*chptr = (char)ch;
|
||||
readcnt++;
|
||||
}
|
||||
}
|
||||
|
||||
// Decimal integer
|
||||
else if (*fmt == 'd') {
|
||||
;
|
||||
}
|
||||
}
|
||||
|
||||
// For debugging purposes
|
||||
assert(!rc && "vbscanf() error");
|
||||
seterrno(rc);
|
||||
|
||||
return readcnt;
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
@ -35,7 +35,7 @@
|
||||
// Once libbuf is supports dynamic buffers, the only changes necessary
|
||||
// will be to change the value below to and add a line to vsnprintf()
|
||||
//
|
||||
#define VSNPRINTF_MAX 512
|
||||
#define VSNPRINTF_MAX 4096
|
||||
|
||||
//
|
||||
// Format str according to fmt using ellipsed arguments
|
||||
@ -77,8 +77,8 @@ size_t snprintf(char *str, size_t n, const char *fmt, ...)
|
||||
|
||||
size_t vsnprintf(char *str, size_t n, const char *fmt, va_list ap)
|
||||
{
|
||||
size_t ret;
|
||||
error_t rc = EOK;
|
||||
error_t rc;
|
||||
size_t ret, sz;
|
||||
Buffer_t *buf = NULL;
|
||||
|
||||
assert(str && fmt);
|
||||
@ -96,16 +96,11 @@ size_t vsnprintf(char *str, size_t n, const char *fmt, va_list ap)
|
||||
goto fail;
|
||||
}
|
||||
|
||||
rc = vbprintf(buf, fmt, ap);
|
||||
sz = vbprintf(buf, fmt, ap);
|
||||
|
||||
// We don't mind EOFs, just just return how much was successfully written
|
||||
if (rc != EOK) {
|
||||
if (rc == EENDF) {
|
||||
if (!(buf->flags & BF_EOF)) {
|
||||
goto fail;
|
||||
}
|
||||
}
|
||||
else {
|
||||
if (sz == 0) {
|
||||
if (!(buf->flags & BF_EOF)) {
|
||||
goto fail;
|
||||
}
|
||||
}
|
||||
@ -113,7 +108,6 @@ size_t vsnprintf(char *str, size_t n, const char *fmt, va_list ap)
|
||||
ret = (size_t)buf->wp - (size_t)buf->buf;
|
||||
|
||||
if (ret > 0) {
|
||||
// To be changed to memcpy()
|
||||
memmove(str, (char *)buf->buf, ret);
|
||||
}
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user