modpost: minor cleanup.

We want a strends() function next, so make one and use it appropriately,
making new_module() arg const while we're at it.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell 2013-04-04 17:37:32 +10:30
parent d70f82acf3
commit d4ef1c30e8
1 changed files with 15 additions and 8 deletions

View File

@ -15,6 +15,7 @@
#include <stdio.h>
#include <ctype.h>
#include <string.h>
#include <stdbool.h>
#include "modpost.h"
#include "../../include/generated/autoconf.h"
#include "../../include/linux/license.h"
@ -78,6 +79,14 @@ PRINTF void merror(const char *fmt, ...)
va_end(arglist);
}
static inline bool strends(const char *str, const char *postfix)
{
if (strlen(str) < strlen(postfix))
return false;
return strcmp(str + strlen(str) - strlen(postfix), postfix) == 0;
}
static int is_vmlinux(const char *modname)
{
const char *myname;
@ -113,20 +122,18 @@ static struct module *find_module(char *modname)
return mod;
}
static struct module *new_module(char *modname)
static struct module *new_module(const char *modname)
{
struct module *mod;
char *p, *s;
char *p;
mod = NOFAIL(malloc(sizeof(*mod)));
memset(mod, 0, sizeof(*mod));
p = NOFAIL(strdup(modname));
/* strip trailing .o */
s = strrchr(p, '.');
if (s != NULL)
if (strcmp(s, ".o") == 0) {
*s = '\0';
if (strends(p, ".o")) {
p[strlen(p) - 2] = '\0';
mod->is_dot_o = 1;
}