From: Paul Eggert Date: Mon, 19 Apr 1999 02:43:16 +0000 (+0000) Subject: Initial revision X-Git-Url: https://git.dogcows.com/gitweb?a=commitdiff_plain;h=78e6911db8690eaecb4545ade0b457e23300e487;p=chaz%2Ftar Initial revision --- diff --git a/lib/xstrtol.h b/lib/xstrtol.h new file mode 100644 index 0000000..7a9a024 --- /dev/null +++ b/lib/xstrtol.h @@ -0,0 +1,64 @@ +#ifndef XSTRTOL_H_ +# define XSTRTOL_H_ 1 + +# if HAVE_INTTYPES_H +# include /* for uintmax_t */ +# endif + +# ifndef PARAMS +# if defined PROTOTYPES || (defined __STDC__ && __STDC__) +# define PARAMS(Args) Args +# else +# define PARAMS(Args) () +# endif +# endif + +# ifndef _STRTOL_ERROR +enum strtol_error + { + LONGINT_OK, LONGINT_INVALID, LONGINT_INVALID_SUFFIX_CHAR, LONGINT_OVERFLOW + }; +typedef enum strtol_error strtol_error; +# endif + +# define _DECLARE_XSTRTOL(name, type) \ + strtol_error \ + name PARAMS ((const char *s, char **ptr, int base, \ + type *val, const char *valid_suffixes)); +_DECLARE_XSTRTOL (xstrtol, long int) +_DECLARE_XSTRTOL (xstrtoul, unsigned long int) +_DECLARE_XSTRTOL (xstrtoumax, uintmax_t) + +# define _STRTOL_ERROR(Exit_code, Str, Argument_type_string, Err) \ + do \ + { \ + switch ((Err)) \ + { \ + case LONGINT_OK: \ + abort (); \ + \ + case LONGINT_INVALID: \ + error ((Exit_code), 0, "invalid %s `%s'", \ + (Argument_type_string), (Str)); \ + break; \ + \ + case LONGINT_INVALID_SUFFIX_CHAR: \ + error ((Exit_code), 0, "invalid character following %s `%s'", \ + (Argument_type_string), (Str)); \ + break; \ + \ + case LONGINT_OVERFLOW: \ + error ((Exit_code), 0, "%s `%s' too large", \ + (Argument_type_string), (Str)); \ + break; \ + } \ + } \ + while (0) + +# define STRTOL_FATAL_ERROR(Str, Argument_type_string, Err) \ + _STRTOL_ERROR (2, Str, Argument_type_string, Err) + +# define STRTOL_FAIL_WARN(Str, Argument_type_string, Err) \ + _STRTOL_ERROR (0, Str, Argument_type_string, Err) + +#endif /* not XSTRTOL_H_ */