Max has submitted this change and it was merged. ( 
https://gerrit.osmocom.org/12092 )

Change subject: Allow log_init() with NULL log_info
......................................................................

Allow log_init() with NULL log_info

Since we have library-internal categories we don't have to force
application to supply its own categories. This is especially useful for
testing code inside libosmocore which only use internal categories
anyway.

Change-Id: I42159780b57684bff225789f036f28a4b25fc7b8
---
M src/logging.c
1 file changed, 15 insertions(+), 10 deletions(-)

Approvals:
  Jenkins Builder: Verified
  Stefan Sperling: Looks good to me, but someone else must approve
  Pau Espin Pedrol: Looks good to me, approved



diff --git a/src/logging.c b/src/logging.c
index e7cc472..2bb53ae 100644
--- a/src/logging.c
+++ b/src/logging.c
@@ -948,9 +948,11 @@
 }

 /*! Initialize the Osmocom logging core
- *  \param[in] inf Information regarding logging categories
+ *  \param[in] inf Information regarding logging categories, could be NULL
  *  \param[in] ctx \ref talloc context for logging allocations
  *  \returns 0 in case of success, negative in case of error
+ *
+ *  If inf is NULL then only library-internal categories are initialized.
  */
 int log_init(const struct log_info *inf, void *ctx)
 {
@@ -964,10 +966,13 @@
        if (!osmo_log_info)
                return -ENOMEM;

-       osmo_log_info->filter_fn = inf->filter_fn;
-       osmo_log_info->num_cat_user = inf->num_cat;
-       /* total number = number of user cat + library cat */
-       osmo_log_info->num_cat = inf->num_cat + ARRAY_SIZE(internal_cat);
+       osmo_log_info->num_cat = ARRAY_SIZE(internal_cat);
+
+       if (inf) {
+               osmo_log_info->filter_fn = inf->filter_fn;
+               osmo_log_info->num_cat_user = inf->num_cat;
+               osmo_log_info->num_cat += inf->num_cat;
+       }

        osmo_log_info->cat = talloc_zero_array(osmo_log_info,
                                        struct log_info_cat,
@@ -978,11 +983,11 @@
                return -ENOMEM;
        }

-       /* copy over the user part */
-       for (i = 0; i < inf->num_cat; i++) {
-               memcpy((struct log_info_cat *) &osmo_log_info->cat[i],
-                       &inf->cat[i],
-                       sizeof(struct log_info_cat));
+       if (inf) { /* copy over the user part */
+               for (i = 0; i < inf->num_cat; i++) {
+                       memcpy((struct log_info_cat *) &osmo_log_info->cat[i],
+                              &inf->cat[i], sizeof(struct log_info_cat));
+               }
        }

        /* copy over the library part */

--
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Gerrit-Project: libosmocore
Gerrit-Branch: master
Gerrit-MessageType: merged
Gerrit-Change-Id: I42159780b57684bff225789f036f28a4b25fc7b8
Gerrit-Change-Number: 12092
Gerrit-PatchSet: 4
Gerrit-Owner: Max <[email protected]>
Gerrit-Reviewer: Harald Welte <[email protected]>
Gerrit-Reviewer: Jenkins Builder (1000002)
Gerrit-Reviewer: Max <[email protected]>
Gerrit-Reviewer: Neels Hofmeyr <[email protected]>
Gerrit-Reviewer: Pau Espin Pedrol <[email protected]>
Gerrit-Reviewer: Stefan Sperling <[email protected]>

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