cpp conversion: remove useless pj_, PJ_ and proj_ filename prefixes

1 files changed, 109 insertions, 0 deletions

diff --git a/src/strerrno.cpp b/src/strerrno.cpp
new file mode 100644
index 00000000..18ed0d33
--- /dev/null
+++ b/src/strerrno.cpp
@@ -0,0 +1,109 @@
+/* list of projection system pj_errno values */
+
+#include <stddef.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "proj.h"
+#include "projects.h"
+
+static const char * const
+pj_err_list[] = {
+    "no arguments in initialization list",                             /*  -1 */
+    "no options found in 'init' file",                                 /*  -2 */
+    "no colon in init= string",                                        /*  -3 */
+    "projection not named",                                            /*  -4 */
+    "unknown projection id",                                           /*  -5 */
+    "effective eccentricity = 1.",                                     /*  -6 */
+    "unknown unit conversion id",                                      /*  -7 */
+    "invalid boolean param argument",                                  /*  -8 */
+    "unknown elliptical parameter name",                               /*  -9 */
+    "reciprocal flattening (1/f) = 0",                                 /* -10 */
+    "|radius reference latitude| > 90",                                /* -11 */
+    "squared eccentricity < 0",                                        /* -12 */
+    "major axis or radius = 0 or not given",                           /* -13 */
+    "latitude or longitude exceeded limits",                           /* -14 */
+    "invalid x or y",                                                  /* -15 */
+    "improperly formed DMS value",                                     /* -16 */
+    "non-convergent inverse meridional dist",                          /* -17 */
+    "non-convergent inverse phi2",                                     /* -18 */
+    "acos/asin: |arg| >1.+1e-14",                                      /* -19 */
+    "tolerance condition error",                                       /* -20 */
+    "conic lat_1 = -lat_2",                                            /* -21 */
+    "lat_1 >= 90",                                                     /* -22 */
+    "lat_1 = 0",                                                       /* -23 */
+    "lat_ts >= 90",                                                    /* -24 */
+    "no distance between control points",                              /* -25 */
+    "projection not selected to be rotated",                           /* -26 */
+    "W <= 0 or M <= 0",                                                /* -27 */
+    "lsat not in 1-5 range",                                           /* -28 */
+    "path not in range",                                               /* -29 */
+    "h <= 0",                                                          /* -30 */
+    "k <= 0",                                                          /* -31 */
+    "lat_0 = 0 or 90 or alpha = 90",                                   /* -32 */
+    "lat_1=lat_2 or lat_1=0 or lat_2=90",                              /* -33 */
+    "elliptical usage required",                                       /* -34 */
+    "invalid UTM zone number",                                         /* -35 */
+    "arg(s) out of range for Tcheby eval",                             /* -36 */
+    "failed to find projection to be rotated",                         /* -37 */
+    "failed to load datum shift file",                                 /* -38 */
+    "both n & m must be spec'd and > 0",                               /* -39 */
+    "n <= 0, n > 1 or not specified",                                  /* -40 */
+    "lat_1 or lat_2 not specified",                                    /* -41 */
+    "|lat_1| == |lat_2|",                                              /* -42 */
+    "lat_0 is pi/2 from mean lat",                                     /* -43 */
+    "unparseable coordinate system definition",                        /* -44 */
+    "geocentric transformation missing z or ellps",                    /* -45 */
+    "unknown prime meridian conversion id",                            /* -46 */
+    "illegal axis orientation combination",                            /* -47 */
+    "point not within available datum shift grids",                    /* -48 */
+    "invalid sweep axis, choose x or y",                               /* -49 */
+    "malformed pipeline",                                              /* -50 */
+    "unit conversion factor must be > 0",                              /* -51 */
+    "invalid scale",                                                   /* -52 */
+    "non-convergent computation",                                      /* -53 */
+    "missing required arguments",                                      /* -54 */
+    "lat_0 = 0",                                                       /* -55 */
+    "ellipsoidal usage unsupported",                                   /* -56 */
+    "only one +init allowed for non-pipeline operations",              /* -57 */
+    "argument not numerical or out of range",                          /* -58 */
+    "inconsistent unit type between input and output",                 /* -59 */
+
+    /* When adding error messages, remember to update ID defines in
+       projects.h, and transient_error array in pj_transform                  */
+};
+
+char *pj_strerrno(int err) {
+    const int max_error = 9999;
+    static char note[50];
+    size_t adjusted_err;
+
+    if (0==err)
+        return nullptr;
+
+    /* System error codes are positive */
+    if (err > 0) {
+#ifdef HAVE_STRERROR
+        return strerror(err);
+#else
+        /* Defend string boundary against exorbitantly large err values */
+        /* which may occur on platforms with 64-bit ints */
+        sprintf(note, "no system list, errno: %d\n",
+                (err < max_error) ? err: max_error);
+        return note;
+#endif
+    }
+
+    /* PROJ.4 error codes are negative: -1 to -9999 */
+    adjusted_err = err < -max_error ? max_error : -err - 1;
+    if (adjusted_err < (sizeof(pj_err_list) / sizeof(char *)))
+        return (char *)pj_err_list[adjusted_err];
+
+    sprintf(note, "invalid projection system error (%d)",
+            (err > -max_error) ? err: -max_error);
+    return note;
+}
+
+const char* proj_errno_string(int err) {
+    return pj_strerrno(err);
+}