Refactor post-install suite to test shared and static projlib (#2972)

1 files changed, 43 insertions, 0 deletions

diff --git a/test/postinstall/c_app/c_app.c b/test/postinstall/c_app/c_app.c
new file mode 100644
index 00000000..58d7e135
--- /dev/null
+++ b/test/postinstall/c_app/c_app.c
@@ -0,0 +1,43 @@
+#include <stdio.h>
+#include <proj.h>
+
+int test_transform() {
+    PJ *P;
+    PJ_COORD a, b;
+    P = proj_create_crs_to_crs(
+        PJ_DEFAULT_CTX,
+        "EPSG:4326",
+        "+proj=utm +zone=32 +datum=WGS84", /* or EPSG:32632 */
+        NULL);
+    if (0 == P) {
+        fprintf(stderr, "Oops\n");
+        return 1;
+    }
+    /* Copenhagen: 55d N, 12d E */
+    a = proj_coord(55, 12, 0, 0);
+    b = proj_trans(P, PJ_FWD, a);
+    printf("easting: %.2f, northing: %.2f, ", b.enu.e, b.enu.n);
+    b = proj_trans(P, PJ_INV, b);
+    printf("latitude: %.2f, longitude: %.2f\n", b.lp.lam, b.lp.phi);
+    proj_destroy(P);
+    return 0;
+}
+
+int main(int argc, char *argv[]) {
+    PJ_INFO info;
+    info = proj_info();
+    if(argc == 2 && argv[1][0] == '-') {
+        switch(argv[1][1]) {
+            case 't':
+                return(test_transform());
+            case 's':
+                printf("%s\n", info.searchpath);
+                return(0);
+            case 'v':
+                printf("%d.%d.%d\n", info.major, info.minor, info.patch);
+                return(0);
+        }
+    }
+    fprintf(stderr, "Use option -t, -s or -v\n");
+    return(1);
+}