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Fix missing strnlen problems

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Fix missing strnlen (a GNU extension) problems by using qemu_strnlen
used for user emulators also for system emulators.

Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
This commit is contained in:
Blue Swirl 2009-07-01 18:24:44 +00:00
parent 57a943c41f
commit d43277c534
5 changed files with 15 additions and 23 deletions
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2
block.c
View File

@ -225,7 +225,7 @@ static BlockDriver *find_protocol(const char *filename)
{
BlockDriver *drv1;
char protocol[128];
int len = strnlen(filename, 127)+1;
int len = qemu_strnlen(filename, 127) + 1;
const char *p;
#ifdef _WIN32

11
bsd-user/uaccess.c
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@ -37,17 +37,6 @@ abi_long copy_to_user(abi_ulong gaddr, void *hptr, size_t len)
return ret;
}
/* XXX: use host strnlen if available ? */
static int qemu_strnlen(const char *s, int max_len)
{
int i;
for(i = 0; i < max_len; i++) {
if (s[i] == '\0')
break;
}
return i;
}
/* Return the length of a string in target memory or -TARGET_EFAULT if
access error */
abi_long target_strlen(abi_ulong guest_addr1)

13
cutils.c
View File

@ -109,6 +109,19 @@ int stristart(const char *str, const char *val, const char **ptr)
return 1;
}
/* XXX: use host strnlen if available ? */
int qemu_strnlen(const char *s, int max_len)
{
int i;
for(i = 0; i < max_len; i++) {
if (s[i] == '\0') {
break;
}
}
return i;
}
time_t mktimegm(struct tm *tm)
{
time_t t;

11
linux-user/uaccess.c
View File

@ -37,17 +37,6 @@ abi_long copy_to_user(abi_ulong gaddr, void *hptr, size_t len)
return ret;
}
/* XXX: use host strnlen if available ? */
static int qemu_strnlen(const char *s, int max_len)
{
int i;
for(i = 0; i < max_len; i++) {
if (s[i] == '\0')
break;
}
return i;
}
/* Return the length of a string in target memory or -TARGET_EFAULT if
access error */
abi_long target_strlen(abi_ulong guest_addr1)

1
qemu-common.h
View File

@ -109,6 +109,7 @@ void pstrcpy(char *buf, int buf_size, const char *str);
char *pstrcat(char *buf, int buf_size, const char *s);
int strstart(const char *str, const char *val, const char **ptr);
int stristart(const char *str, const char *val, const char **ptr);
int qemu_strnlen(const char *s, int max_len);
time_t mktimegm(struct tm *tm);
int qemu_fls(int i);