On 6/16/23 13:34, Stefan Herbrechtsmeier wrote:
From: Malte Schmidt <malte.schm...@weidmueller.com>

Thanks for considering which parameters may be constants.

nits:

The Urban Dictionary defines 'constify' as:

"To constantly do something, like constantly watching anime all day."

%s/constify function parameters/make function parameters const/


Use const keyword for function parameters where appropriate.

Signed-off-by: Malte Schmidt <malte.schm...@weidmueller.com>
Signed-off-by: Stefan Herbrechtsmeier <stefan.herbrechtsme...@weidmueller.com>
---

  tools/mkeficapsule.c | 27 ++++++++++++++++-----------
  1 file changed, 16 insertions(+), 11 deletions(-)

diff --git a/tools/mkeficapsule.c b/tools/mkeficapsule.c
index 52be1f122e..b8db00b16b 100644
--- a/tools/mkeficapsule.c
+++ b/tools/mkeficapsule.c
@@ -88,8 +88,8 @@ static void print_usage(void)
   * are filled in by create_auth_data().
   */
  struct auth_context {
-       char *key_file;
-       char *cert_file;
+       const char *key_file;
+       const char *cert_file;
        uint8_t *image_data;
        size_t image_size;
        struct efi_firmware_image_authentication auth;
@@ -112,7 +112,7 @@ static int dump_sig;
   * * 0  - on success
   * * -1 - on failure
   */
-static int read_bin_file(char *bin, uint8_t **data, off_t *bin_size)
+static int read_bin_file(const char *bin, uint8_t **data, off_t *bin_size)
  {
        FILE *g;
        struct stat bin_stat;
@@ -170,7 +170,8 @@ err:
   * * 0  - on success
   * * -1 - on failure
   */
-static int write_capsule_file(FILE *f, void *data, size_t size, const char 
*msg)
+static int write_capsule_file(FILE *f, const void *data, size_t size,

Why should size not be constant?

The name of the parameter 'size' does not match the function
documentation which has 'bin_size'. Please, change either of both.

Parameter 'f' does not match the documentation which has 'bin'.

For each function that you touch, please, ensure that the function
parameters are correctly documented.

+                             const char *msg)
  {
        size_t size_written;

@@ -343,7 +344,8 @@ static int create_auth_data(struct auth_context *ctx)
   * * 0  - on success
   * * -1 - on failure
   */
-static int dump_signature(const char *path, uint8_t *signature, size_t 
sig_size)
+static int dump_signature(const char *path, const uint8_t *signature,
+                         size_t sig_size)

Why should sig_size not be constant?

  {
        char *sig_path;
        FILE *f;
@@ -402,10 +404,12 @@ static void free_sig_data(struct auth_context *ctx)
   * * 0  - on success
   * * -1 - on failure
   */
-static int create_fwbin(char *path, char *bin, efi_guid_t *guid,
-                       unsigned long index, unsigned long instance,
-                       struct fmp_payload_header_params *fmp_ph_params,
-                       uint64_t mcount, char *privkey_file, char *cert_file,
+static int create_fwbin(const char *path, const char *bin,
+                       const efi_guid_t *guid, unsigned long index,
+                       unsigned long instance,
+                       const struct fmp_payload_header_params *fmp_ph_params,
+                       uint64_t mcount,
+                       const char *privkey_file, const char *cert_file,
                        uint16_t oemflags)

Why shouldn't instance, mcount, oemflags be constant?

  {
        struct efi_capsule_header header;
@@ -604,7 +608,8 @@ void convert_uuid_to_guid(unsigned char *buf)
        buf[7] = c;
  }

-static int create_empty_capsule(char *path, efi_guid_t *guid, bool fw_accept)
+static int create_empty_capsule(const char *path, const efi_guid_t *guid,
+                               bool fw_accept)

Why should fw_accept not be constant?

Please, make the use of 'const' a bit more consistent.

Best regards

Heinrich

  {
        struct efi_capsule_header header = { 0 };
        FILE *f = NULL;
@@ -666,7 +671,7 @@ int main(int argc, char **argv)
        unsigned long index, instance;
        uint64_t mcount;
        unsigned long oemflags;
-       char *privkey_file, *cert_file;
+       const char *privkey_file, *cert_file;
        int c, idx;
        struct fmp_payload_header_params fmp_ph_params = { 0 };


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