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Allow relative paths for the interpreter prefix in linux-user emulation.

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2984 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
ths 2007-06-17 15:32:30 +00:00
parent e27f01ef24
commit ffb04fcf08
1 changed files with 29 additions and 17 deletions
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46
linux-user/path.c
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@ -92,23 +92,6 @@ static void set_parents(struct pathelem *child, struct pathelem *parent)
set_parents(child->entries[i], child);
}
void init_paths(const char *prefix)
{
if (prefix[0] != '/' ||
prefix[0] == '\0' ||
!strcmp(prefix, "/"))
return;
base = new_entry("", NULL, prefix+1);
base = add_dir_maybe(base);
if (base->num_entries == 0) {
free (base);
base = NULL;
} else {
set_parents(base, base);
}
}
/* FIXME: Doesn't handle DIR/.. where DIR is not in emulated dir. */
static const char *
follow_path(const struct pathelem *cursor, const char *name)
@ -135,6 +118,35 @@ follow_path(const struct pathelem *cursor, const char *name)
return NULL;
}
void init_paths(const char *prefix)
{
char pref_buf[PATH_MAX];
if (prefix[0] == '\0' ||
!strcmp(prefix, "/"))
return;
if (prefix[0] != '/') {
char *cwd = get_current_dir_name();
if (!cwd)
abort();
strcpy(pref_buf, cwd);
strcat(pref_buf, "/");
strcat(pref_buf, prefix);
free(cwd);
} else
strcpy(pref_buf,prefix + 1);
base = new_entry("", NULL, pref_buf);
base = add_dir_maybe(base);
if (base->num_entries == 0) {
free (base);
base = NULL;
} else {
set_parents(base, base);
}
}
/* Look for path in emulation dir, otherwise return name. */
const char *path(const char *name)
{