diff options
| author | Joel Brobecker <brobecker@gnat.com> | 2008-07-04 17:11:29 +0000 |
|---|---|---|
| committer | Joel Brobecker <brobecker@gnat.com> | 2008-07-04 17:11:29 +0000 |
| commit | d5721fa7dee8d105e701673eb51c6f16a26ec7a6 (patch) | |
| tree | 5c5c1a348af340e72d217de53d6fab29f067dcbe /include/safe-ctype.h | |
| parent | d62f07d07da0af73891c4479c8e233968b0a3606 (diff) | |
| download | binutils-gdb-d5721fa7dee8d105e701673eb51c6f16a26ec7a6.tar.gz | |
* safe-ctype.h: Remove #error when detecting that ctype.h has been
included. Redefine the various macros provided by ctype.h as
undefined variables.
Diffstat (limited to 'include/safe-ctype.h')
| -rw-r--r-- | include/safe-ctype.h | 36 |
1 files changed, 32 insertions, 4 deletions
diff --git a/include/safe-ctype.h b/include/safe-ctype.h index e59b357ccfb..b3e911e07bd 100644 --- a/include/safe-ctype.h +++ b/include/safe-ctype.h @@ -35,10 +35,6 @@ Boston, MA 02110-1301, USA. */ #ifndef SAFE_CTYPE_H #define SAFE_CTYPE_H -#ifdef isalpha - #error "safe-ctype.h and ctype.h may not be used simultaneously" -#endif - /* Determine host character set. */ #define HOST_CHARSET_UNKNOWN 0 #define HOST_CHARSET_ASCII 1 @@ -116,4 +112,36 @@ extern const unsigned char _sch_tolower[256]; #define TOUPPER(c) _sch_toupper[(c) & 0xff] #define TOLOWER(c) _sch_tolower[(c) & 0xff] +/* Prevent the users of safe-ctype.h from accidently using the routines + from ctype.h. Initially, the approach was to produce an error when + detecting that ctype.h has been included. But this was causing + trouble as ctype.h might get indirectly included as a result of + including another system header (for instance gnulib's stdint.h). */ +#undef isalpha +#define isalpha(c) do_not_use_isalpha_with_safe_ctype +#undef isalnum +#define isalnum(c) do_not_use_isalnum_with_safe_ctype +#undef iscntrl +#define iscntrl(c) do_not_use_iscntrl_with_safe_ctype +#undef isdigit +#define isdigit(c) do_not_use_isdigit_with_safe_ctype +#undef isgraph +#define isgraph(c) do_not_use_isgraph_with_safe_ctype +#undef islower +#define islower(c) do_not_use_islower_with_safe_ctype +#undef isprint +#define isprint(c) do_not_use_isprint_with_safe_ctype +#undef ispunct +#define ispunct(c) do_not_use_ispunct_with_safe_ctype +#undef isspace +#define isspace(c) do_not_use_isspace_with_safe_ctype +#undef isupper +#define isupper(c) do_not_use_isupper_with_safe_ctype +#undef isxdigit +#define isxdigit(c) do_not_use_isxdigit_with_safe_ctype +#undef toupper +#define toupper(c) do_not_use_toupper_with_safe_ctype +#undef tolower +#define tolower(c) do_not_use_tolower_with_safe_ctype + #endif /* SAFE_CTYPE_H */ |