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- Fix seeking for offsets requiring more than 32 bits.

Browse Source 
- Add sanity checks to lookup().
 - Implement the 'l' modifier in printf().

Submitted by:	tmm
This commit is contained in:
Robert Drehmel 2002-03-05 11:22:43 +00:00
parent 5d0451a3ed
commit 83ea6c23b5
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=91678
2 changed files with 54 additions and 10 deletions
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30
sys/boot/sparc64/boot1/boot1.c
View File

@ -275,7 +275,7 @@ ofw_seek(ofwh_t devh, u_int64_t off)
1,
(u_ofwh_t)devh,
off >> 32,
off & ((1UL << 32) - 1),
off,
0
};
@ -511,6 +511,8 @@ lookup(const char *path)
ino = ROOTINO;
dt = DT_DIR;
name[0] = '/';
name[1] = '\0';
for (;;) {
if (*path == '/')
path++;
@ -523,6 +525,10 @@ lookup(const char *path)
ls = *path == '?' && n == 1 && !*s;
memcpy(name, path, n);
name[n] = 0;
if (dt != DT_DIR) {
printf("%s: not a directory.\n", name);
return (0);
}
if ((dt = fsfind(name, &ino)) <= 0)
break;
path = s;
@ -639,21 +645,29 @@ printf(const char *fmt,...)
char buf[10];
char *s;
unsigned long int r, u;
int c;
int c, longp;
va_start(ap, fmt);
longp = 0;
while ((c = *fmt++)) {
if (c == '%') {
if (c == '%' || longp) {
if (c == '%')
c = *fmt++;
switch (c) {
case 'c':
if (longp)
break;
putchar(va_arg(ap, int));
continue;
case 's':
if (longp)
break;
for (s = va_arg(ap, char *); *s; s++)
putchar(*s);
continue;
case 'p':
if (longp)
break;
if (c == 'p') {
putchar('0');
putchar('x');
@ -661,7 +675,8 @@ printf(const char *fmt,...)
case 'u':
case 'x':
r = c == 'u' ? 10U : 16U;
u = c == 'p' ? va_arg(ap, unsigned long) :
u = (c == 'p' || longp) ?
va_arg(ap, unsigned long) :
va_arg(ap, unsigned int);
s = buf;
do
@ -669,8 +684,15 @@ printf(const char *fmt,...)
while (u /= r);
while (--s >= buf)
putchar(*s);
longp = 0;
continue;
case 'l':
if (longp)
break;
longp = 1;
continue;
}
longp = 0;
}
putchar(c);
}

30
sys/boot/sparc64/bootblock/bootblock.c
View File

@ -275,7 +275,7 @@ ofw_seek(ofwh_t devh, u_int64_t off)
1,
(u_ofwh_t)devh,
off >> 32,
off & ((1UL << 32) - 1),
off,
0
};
@ -511,6 +511,8 @@ lookup(const char *path)
ino = ROOTINO;
dt = DT_DIR;
name[0] = '/';
name[1] = '\0';
for (;;) {
if (*path == '/')
path++;
@ -523,6 +525,10 @@ lookup(const char *path)
ls = *path == '?' && n == 1 && !*s;
memcpy(name, path, n);
name[n] = 0;
if (dt != DT_DIR) {
printf("%s: not a directory.\n", name);
return (0);
}
if ((dt = fsfind(name, &ino)) <= 0)
break;
path = s;
@ -639,21 +645,29 @@ printf(const char *fmt,...)
char buf[10];
char *s;
unsigned long int r, u;
int c;
int c, longp;
va_start(ap, fmt);
longp = 0;
while ((c = *fmt++)) {
if (c == '%') {
if (c == '%' || longp) {
if (c == '%')
c = *fmt++;
switch (c) {
case 'c':
if (longp)
break;
putchar(va_arg(ap, int));
continue;
case 's':
if (longp)
break;
for (s = va_arg(ap, char *); *s; s++)
putchar(*s);
continue;
case 'p':
if (longp)
break;
if (c == 'p') {
putchar('0');
putchar('x');
@ -661,7 +675,8 @@ printf(const char *fmt,...)
case 'u':
case 'x':
r = c == 'u' ? 10U : 16U;
u = c == 'p' ? va_arg(ap, unsigned long) :
u = (c == 'p' || longp) ?
va_arg(ap, unsigned long) :
va_arg(ap, unsigned int);
s = buf;
do
@ -669,8 +684,15 @@ printf(const char *fmt,...)
while (u /= r);
while (--s >= buf)
putchar(*s);
longp = 0;
continue;
case 'l':
if (longp)
break;
longp = 1;
continue;
}
longp = 0;
}
putchar(c);
}