diff options
| author | Nobuyoshi Nakada <[email protected]> | 2024-01-11 22:46:49 +0900 |
|---|---|---|
| committer | Nobuyoshi Nakada <[email protected]> | 2024-01-13 11:08:00 +0900 |
| commit | 3edb7f1a0747b92ccc22f881e0a74530c0a7036e (patch) | |
| tree | 4d890c1d1863fe739b6521e14de1153426c5c20c /error.c | |
| parent | f7178045bb11fc3722a98082ed81e1ec39c4940f (diff) | |
[DOC] Documentize known_errors
Diffstat (limited to 'error.c')
| -rw-r--r-- | error.c | 64 |
1 files changed, 38 insertions, 26 deletions
@@ -2703,37 +2703,45 @@ rb_free_warning(void) } static VALUE -set_syserr(int n, const char *name) +setup_syserr(int n, const char *name) { - st_data_t error; - - if (!st_lookup(syserr_tbl, n, &error)) { - error = rb_define_class_under(rb_mErrno, name, rb_eSystemCallError); + VALUE error = rb_define_class_under(rb_mErrno, name, rb_eSystemCallError); - /* capture nonblock errnos for WaitReadable/WaitWritable subclasses */ - switch (n) { - case EAGAIN: - rb_eEAGAIN = error; + /* capture nonblock errnos for WaitReadable/WaitWritable subclasses */ + switch (n) { + case EAGAIN: + rb_eEAGAIN = error; #if defined(EWOULDBLOCK) && EWOULDBLOCK != EAGAIN - break; - case EWOULDBLOCK: + break; + case EWOULDBLOCK: #endif - rb_eEWOULDBLOCK = error; - break; - case EINPROGRESS: - rb_eEINPROGRESS = error; - break; - } + rb_eEWOULDBLOCK = error; + break; + case EINPROGRESS: + rb_eEINPROGRESS = error; + break; + } + + rb_define_const(error, "Errno", INT2NUM(n)); + st_add_direct(syserr_tbl, n, (st_data_t)error); + return error; +} + +static VALUE +set_syserr(int n, const char *name) +{ + st_data_t error; - rb_define_const(error, "Errno", INT2NUM(n)); - st_add_direct(syserr_tbl, n, error); + if (!st_lookup(syserr_tbl, n, &error)) { + return setup_syserr(n, name); } else { - rb_define_const(rb_mErrno, name, error); + VALUE errclass = (VALUE)error; + rb_define_const(rb_mErrno, name, errclass); + return errclass; } - return error; } static VALUE @@ -2742,12 +2750,12 @@ get_syserr(int n) st_data_t error; if (!st_lookup(syserr_tbl, n, &error)) { - char name[8]; /* some Windows' errno have 5 digits. */ + char name[DECIMAL_SIZE_OF(n) + sizeof("E-")]; snprintf(name, sizeof(name), "E%03d", n); - error = set_syserr(n, name); + return setup_syserr(n, name); } - return error; + return (VALUE)error; } /* @@ -3840,9 +3848,13 @@ rb_check_copyable(VALUE obj, VALUE orig) void Init_syserr(void) { - rb_eNOERROR = set_syserr(0, "NOERROR"); + rb_eNOERROR = setup_syserr(0, "NOERROR"); +#if 0 + /* No error */ + rb_define_const(rb_mErrno, "NOERROR", rb_eNOERROR); +#endif #define defined_error(name, num) set_syserr((num), (name)); -#define undefined_error(name) set_syserr(0, (name)); +#define undefined_error(name) rb_define_const(rb_mErrno, (name), rb_eNameError); #include "known_errors.inc" #undef defined_error #undef undefined_error |