Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=0f855aa64b3f63d35a891510cf7db932a435c116
Commit: 0f855aa64b3f63d35a891510cf7db932a435c116
Parent: 9c900a9c9d9351e55ab6a84e12e3a52c474c7c8b
Author: Sam Ravnborg <[EMAIL PROTECTED]>
AuthorDate: Sat Nov 10 20:40:05 2007 +0100
Committer: Sam Ravnborg <[EMAIL PROTECTED]>
CommitDate: Mon Nov 12 21:02:20 2007 +0100
kconfig: add helper to set config symbol from environment variable
Add conf_set_env_sym() that can set an already defined symbol
based on the value of an environment variable.
Unknown symbols are silently ignored.
A warning is printed if the value of the environment variable
is unexpected.
Signed-off-by: Sam Ravnborg <[EMAIL PROTECTED]>
Cc: Roman Zippel <[EMAIL PROTECTED]>
---
scripts/kconfig/confdata.c | 27 +++++++++++++++++++++++++++
scripts/kconfig/lkc_proto.h | 1 +
2 files changed, 28 insertions(+), 0 deletions(-)
diff --git a/scripts/kconfig/confdata.c b/scripts/kconfig/confdata.c
index e0f402f..e4fa3f3 100644
--- a/scripts/kconfig/confdata.c
+++ b/scripts/kconfig/confdata.c
@@ -145,6 +145,33 @@ static int conf_set_sym_val(struct symbol *sym, int def,
int def_flags, char *p)
return 0;
}
+/* Read an environment variable and assign the value to the symbol */
+int conf_set_env_sym(const char *env, const char *symname, int def)
+{
+ struct symbol *sym;
+ char *p;
+ int def_flags;
+
+ p = getenv(env);
+ if (p) {
+ char warning[200];
+ sprintf(warning, "Environment variable (%s = \"%s\")", env, p);
+ conf_filename = warning;
+ def_flags = SYMBOL_DEF << def;
+ if (def == S_DEF_USER) {
+ sym = sym_find(symname);
+ if (!sym)
+ return 1;
+ } else {
+ sym = sym_lookup(symname, 0);
+ if (sym->type == S_UNKNOWN)
+ sym->type = S_OTHER;
+ }
+ conf_set_sym_val(sym, def, def_flags, p);
+ }
+ return 0;
+}
+
int conf_read_simple(const char *name, int def)
{
FILE *in = NULL;
diff --git a/scripts/kconfig/lkc_proto.h b/scripts/kconfig/lkc_proto.h
index 4d09f6d..dca294e 100644
--- a/scripts/kconfig/lkc_proto.h
+++ b/scripts/kconfig/lkc_proto.h
@@ -1,6 +1,7 @@
/* confdata.c */
P(conf_parse,void,(const char *name));
+P(conf_set_env_sym,int,(const char *envname, const char *symname, int def));
P(conf_read,int,(const char *name));
P(conf_read_simple,int,(const char *name, int));
P(conf_write,int,(const char *name));
-
To unsubscribe from this list: send the line "unsubscribe git-commits-head" in
the body of a message to [EMAIL PROTECTED]
More majordomo info at http://vger.kernel.org/majordomo-info.html
