The current behavior when searching for a specific parameter is to exit
with an error when the first unexpected parameter is found.
The function argv_find() will search for a specific parameter, ignoring all
other parameters.
Consumers for the function will be added in a later patch.
Signed-off-by: Alexandru Elisei <alexandru.eli...@arm.com>
---
lib/argv.h | 1 +
lib/argv.c | 11 +++++++++++
2 files changed, 12 insertions(+)
diff --git a/lib/argv.h b/lib/argv.h
index 2104dd42748d..efc390ae4fae 100644
--- a/lib/argv.h
+++ b/lib/argv.h
@@ -8,3 +8,4 @@
extern void __setup_args(void);
extern void setup_args_progname(const char *args);
extern void setup_env(char *env, int size);
+extern int argv_find(const char *needle, int argc, char **argv);
diff --git a/lib/argv.c b/lib/argv.c
index f0e183a8f02f..6e4593997e0b 100644
--- a/lib/argv.c
+++ b/lib/argv.c
@@ -144,3 +144,14 @@ void setup_env(char *env, int size)
*env++ = '\0';
}
}
+
+int argv_find(const char *needle, int argc, char **argv)
+{
+ int i;
+
+ for (i = 0; i < argc; i++)
+ if (strcmp(argv[i], needle) == 0)
+ return i;
+
+ return -1;
+}
--
2.17.0
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