From d4ef1c30e89ce8e7f1030501d74b6b812c3c179d Mon Sep 17 00:00:00 2001 From: Rusty Russell Date: Thu, 4 Apr 2013 17:37:32 +1030 Subject: 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 --- scripts/mod/modpost.c | 23 +++++++++++++++-------- 1 file changed, 15 insertions(+), 8 deletions(-) (limited to 'scripts/mod') diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c index f6913db7762..f7a0392ad1c 100644 --- a/scripts/mod/modpost.c +++ b/scripts/mod/modpost.c @@ -15,6 +15,7 @@ #include #include #include +#include #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; -- cgit v1.2.3-18-g5258