[taler-taler-mdb] 53/93: bug detected, see README

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marco-boss pushed a commit to branch master
in repository taler-mdb.

commit 9bd8349d41236e9e58b942a44dbb5c6df3a58bbf
Author: Boss Marco <address@hidden>
AuthorDate: Tue Nov 12 18:50:46 2019 +0100

    bug detected, see README
---
 README     | 5 +++--
 src/main.c | 2 +-
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/README b/README
index 055745d..52746da 100644
--- a/README
+++ b/README
@@ -19,8 +19,9 @@
   This is a app to run a snack machine as taler merchant with nfc payment 
interface.
 
 #### Tasks
-  * Add libjansson to parse and create json objects
-  * Build system, makefile provided is not suitable
+  * fix bug when order pending -> press cancel -> abort from gunent scheduler
+       Nov 12 18:47:04-224202 util-scheduler-4656 ERROR `select' failed at 
scheduler.c:2336 with error: Bad file descriptor
+       Nov 12 18:47:04-224321 taler-mdb-4656 ERROR Assertion failed at 
scheduler.c:2370. Aborting.
 
 #### Remarks
   * When using an ACR122 device there may be problems with libnfc, see libnfc 
for further information
diff --git a/src/main.c b/src/main.c
index 1353a64..5e727e1 100644
--- a/src/main.c
+++ b/src/main.c
@@ -215,7 +215,7 @@ show_qrcode (const char *uri)
     {
       unsigned int off =
         (x * qrc->width / size) + (y * qrc->width / size) * qrc->width;
-      for (int c = 0; c < n_channels; c++)
+      for (unsigned int c = 0; c < n_channels; c++)
         pixels[(y * size + x) * n_channels + c] =
           (0 == (qrc->data[off] & 1)) ? 0xFF : 0;
     }

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