qcdm: fix stringification of qcdm_xxx_if_fail() macros

Actually reading about preprocessor concatenation and stringification helps.

1 files changed, 3 insertions, 3 deletions

diff --git a/libqcdm/src/errors.h b/libqcdm/src/errors.h
index 51b7155c..b6e49728 100644
--- a/libqcdm/src/errors.h
+++ b/libqcdm/src/errors.h
@@ -60,7 +60,7 @@ enum {
 #define qcdm_return_if_fail(e) \
 { \
     if (!(e)) { \
-        qcdm_warn (0, "failed: ##e##\n"); \
+        qcdm_warn (0, "failed: " #e "\n"); \
         return; \
     } \
 }
@@ -68,7 +68,7 @@ enum {
 #define qcdm_return_val_if_fail(e, v) \
 { \
     if (!(e)) { \
-        qcdm_warn (0, "failed: ##e##\n"); \
+        qcdm_warn (0, "failed: " #e "\n"); \
         return v; \
     } \
 }
@@ -76,7 +76,7 @@ enum {
 #define qcdm_warn_if_fail(e) \
 { \
     if (!(e)) { \
-        qcdm_warn (0, "failed: ##e##\n"); \
+        qcdm_warn (0, "failed: " #e "\n"); \
     } \
 }