diff options
| -rw-r--r-- | src/pj_strerrno.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/src/pj_strerrno.c b/src/pj_strerrno.c index d37e6d5f..16042f79 100644 --- a/src/pj_strerrno.c +++ b/src/pj_strerrno.c @@ -74,6 +74,7 @@ pj_err_list[] = { }; char *pj_strerrno(int err) { + const int max_error = 9999; static char note[50]; size_t adjusted_err; @@ -87,17 +88,19 @@ char *pj_strerrno(int 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 < 9999)? err: 9999); + sprintf(note, "no system list, errno: %d\n", + (err < max_error) ? err: max_error); return note; #endif } - /* PROJ.4 error codes are negative */ - adjusted_err = - err - 1; + /* 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 > -9999)? err: -9999); + sprintf(note, "invalid projection system error (%d)", + (err > -max_error) ? err: -max_error); return note; } |