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This fixes a bad memory corrupting bug that overwrote one byte in

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memomry with 0 each time a semaphore was created


git-svn-id: file:///srv/svn/repos/haiku/trunk/current@929 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
beveloper
2002-08-29 00:03:45 +00:00
parent a6e96214ed
commit d703ffc09c
1 changed files with 9 additions and 15 deletions
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src/kernel/core/sem.c
+9 -15
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@@ -157,25 +157,19 @@ sem_id create_sem_etc(int count, const char *name, team_id owner)
int state;
sem_id retval = B_NO_MORE_SEMS;
char *temp_name;
int name_len;
if (sems_active == false)
return B_NO_MORE_SEMS;
if (name == NULL)
name = "default_sem_name";
if (name) {
int name_len = strlen(name);
temp_name = (char *)kmalloc(min(name_len + 1, SYS_MAX_OS_NAME_LEN));
if (temp_name == NULL)
return ENOMEM;
strncpy(temp_name, name, SYS_MAX_OS_NAME_LEN-1);
temp_name[SYS_MAX_OS_NAME_LEN-1] = 0;
}
else {
temp_name = (char *)kmalloc(sizeof("default_sem_name")+1);
if (temp_name == NULL)
return ENOMEM;
strcpy(temp_name, "default_sem_name");
}
name_len = min(strlen(name) + 1, SYS_MAX_OS_NAME_LEN);
temp_name = (char *)kmalloc(name_len);
if (temp_name == NULL)
return ENOMEM;
strlcpy(temp_name, name, name_len);
state = disable_interrupts();
GRAB_SEM_LIST_LOCK();