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authorEven Rouault <even.rouault@spatialys.com>2018-12-18 20:58:28 +0100
committerEven Rouault <even.rouault@spatialys.com>2018-12-26 10:08:53 +0100
commit93d8f3a3504c1e92333524aa6aeca169c103166a (patch)
treed227a8fe3df6e4d8190a2def84fb6aaedcd72c02 /src/PJ_vgridshift.cpp
parent610957f7035242f15743c399ffd429b92bc36206 (diff)
downloadPROJ-93d8f3a3504c1e92333524aa6aeca169c103166a.tar.gz
PROJ-93d8f3a3504c1e92333524aa6aeca169c103166a.zip
cpp conversion: fix One-Definition-Rule violations
Defining struct pj_opaque with different definitions is a violation of the C++ One-Definition-Rule. When using link-time optimizations, this could break badly. The solution adopted here is to wrap those structures into a C++ anonymous namespace so they are considered different
Diffstat (limited to 'src/PJ_vgridshift.cpp')
-rw-r--r--src/PJ_vgridshift.cpp2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/PJ_vgridshift.cpp b/src/PJ_vgridshift.cpp
index 8aad3777..bf1300c7 100644
--- a/src/PJ_vgridshift.cpp
+++ b/src/PJ_vgridshift.cpp
@@ -10,11 +10,13 @@
PROJ_HEAD(vgridshift, "Vertical grid shift");
+namespace { // anonymous namespace
struct pj_opaque_vgridshift {
double t_final;
double t_epoch;
double forward_multiplier;
};
+} // anonymous namespace
static XYZ forward_3d(LPZ lpz, PJ *P) {
struct pj_opaque_vgridshift *Q = (struct pj_opaque_vgridshift *) P->opaque;