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Index: head/sys/kern/init_main.c
===================================================================
--- head/sys/kern/init_main.c
+++ head/sys/kern/init_main.c
@@ -698,7 +698,9 @@
vm_offset_t addr;
struct execve_args args;
int options, error;
- char *var, *path, *next, *s;
+ size_t pathlen;
+ char *var, *path;
+ char *free_init_path, *tmp_init_path;
char *ucp, **uap, *arg0, *arg1;
struct thread *td;
struct proc *p;
@@ -727,17 +729,12 @@
strlcpy(init_path, var, sizeof(init_path));
freeenv(var);
}
+ free_init_path = tmp_init_path = strdup(init_path, M_TEMP);
- for (path = init_path; *path != '\0'; path = next) {
- while (*path == ':')
- path++;
- if (*path == '\0')
- break;
- for (next = path; *next != '\0' && *next != ':'; next++)
- /* nothing */ ;
+ while ((path = strsep(&tmp_init_path, ":")) != NULL) {
+ pathlen = strlen(path) + 1;
if (bootverbose)
- printf("start_init: trying %.*s\n", (int)(next - path),
- path);
+ printf("start_init: trying %s\n", path);
/*
* Move out the boot flag argument.
@@ -769,9 +766,8 @@
/*
* Move out the file name (also arg 0).
*/
- (void)subyte(--ucp, 0);
- for (s = next - 1; s >= path; s--)
- (void)subyte(--ucp, *s);
+ ucp -= pathlen;
+ copyout(path, ucp, pathlen);
arg0 = ucp;
/*
@@ -797,13 +793,14 @@
* to user mode as init!
*/
if ((error = sys_execve(td, &args)) == EJUSTRETURN) {
+ free(free_init_path, M_TEMP);
TSEXIT();
return;
}
if (error != ENOENT)
- printf("exec %.*s: error %d\n", (int)(next - path),
- path, error);
+ printf("exec %s: error %d\n", path, error);
}
+ free(free_init_path, M_TEMP);
printf("init: not found in path %s\n", init_path);
panic("no init");
}

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