diff options
Diffstat (limited to 'src/strerrno.cpp')
| -rw-r--r-- | src/strerrno.cpp | 109 |
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); +} |