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authorRusty Russell <rusty@rustcorp.com.au>2013-04-04 17:37:32 +1030
committerRusty Russell <rusty@rustcorp.com.au>2013-04-05 11:48:06 +1030
commitd4ef1c30e89ce8e7f1030501d74b6b812c3c179d (patch)
treeb7e45a75923cdf70362e1070fade384ade5344c1 /scripts/mod/modpost.c
parentd70f82acf32affa78ae4957caa0fb2a550d2c6ea (diff)
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>
Diffstat (limited to 'scripts/mod/modpost.c')
-rw-r--r--scripts/mod/modpost.c23
1 files changed, 15 insertions, 8 deletions
diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
index f6913db77627..f7a0392ad1ca 100644
--- a/scripts/mod/modpost.c
+++ b/scripts/mod/modpost.c
@@ -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;
@@ -113,22 +122,20 @@ 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';
- mod->is_dot_o = 1;
- }
+ if (strends(p, ".o")) {
+ p[strlen(p) - 2] = '\0';
+ mod->is_dot_o = 1;
+ }
/* add to list */
mod->name = p;