diff options
Diffstat (limited to 'intl/libgnuintl.h')
| -rw-r--r-- | intl/libgnuintl.h | 45 |
1 files changed, 33 insertions, 12 deletions
diff --git a/intl/libgnuintl.h b/intl/libgnuintl.h index f6138af..acc9093 100644 --- a/intl/libgnuintl.h +++ b/intl/libgnuintl.h @@ -112,11 +112,21 @@ extern "C" { # define _INTL_ASM(cname) #endif +/* _INTL_MAY_RETURN_STRING_ARG(n) declares that the given function may return + its n-th argument literally. This enables GCC to warn for example about + printf (gettext ("foo %y")). */ +#if __GNUC__ >= 3 && !(__APPLE_CC__ > 1 && defined __cplusplus) +# define _INTL_MAY_RETURN_STRING_ARG(n) __attribute__ ((__format_arg__ (n))) +#else +# define _INTL_MAY_RETURN_STRING_ARG(n) +#endif + /* Look up MSGID in the current default message catalog for the current LC_MESSAGES locale. If not found, returns MSGID itself (the default text). */ #ifdef _INTL_REDIRECT_INLINE -extern char *libintl_gettext (const char *__msgid); +extern char *libintl_gettext (const char *__msgid) + _INTL_MAY_RETURN_STRING_ARG (1); static inline char *gettext (const char *__msgid) { return libintl_gettext (__msgid); @@ -126,13 +136,15 @@ static inline char *gettext (const char *__msgid) # define gettext libintl_gettext #endif extern char *gettext _INTL_PARAMS ((const char *__msgid)) - _INTL_ASM (libintl_gettext); + _INTL_ASM (libintl_gettext) + _INTL_MAY_RETURN_STRING_ARG (1); #endif /* Look up MSGID in the DOMAINNAME message catalog for the current LC_MESSAGES locale. */ #ifdef _INTL_REDIRECT_INLINE -extern char *libintl_dgettext (const char *__domainname, const char *__msgid); +extern char *libintl_dgettext (const char *__domainname, const char *__msgid) + _INTL_MAY_RETURN_STRING_ARG (2); static inline char *dgettext (const char *__domainname, const char *__msgid) { return libintl_dgettext (__domainname, __msgid); @@ -143,14 +155,16 @@ static inline char *dgettext (const char *__domainname, const char *__msgid) #endif extern char *dgettext _INTL_PARAMS ((const char *__domainname, const char *__msgid)) - _INTL_ASM (libintl_dgettext); + _INTL_ASM (libintl_dgettext) + _INTL_MAY_RETURN_STRING_ARG (2); #endif /* Look up MSGID in the DOMAINNAME message catalog for the current CATEGORY locale. */ #ifdef _INTL_REDIRECT_INLINE extern char *libintl_dcgettext (const char *__domainname, const char *__msgid, - int __category); + int __category) + _INTL_MAY_RETURN_STRING_ARG (2); static inline char *dcgettext (const char *__domainname, const char *__msgid, int __category) { @@ -163,7 +177,8 @@ static inline char *dcgettext (const char *__domainname, const char *__msgid, extern char *dcgettext _INTL_PARAMS ((const char *__domainname, const char *__msgid, int __category)) - _INTL_ASM (libintl_dcgettext); + _INTL_ASM (libintl_dcgettext) + _INTL_MAY_RETURN_STRING_ARG (2); #endif @@ -171,7 +186,8 @@ extern char *dcgettext _INTL_PARAMS ((const char *__domainname, number N. */ #ifdef _INTL_REDIRECT_INLINE extern char *libintl_ngettext (const char *__msgid1, const char *__msgid2, - unsigned long int __n); + unsigned long int __n) + _INTL_MAY_RETURN_STRING_ARG (1) _INTL_MAY_RETURN_STRING_ARG (2); static inline char *ngettext (const char *__msgid1, const char *__msgid2, unsigned long int __n) { @@ -184,14 +200,16 @@ static inline char *ngettext (const char *__msgid1, const char *__msgid2, extern char *ngettext _INTL_PARAMS ((const char *__msgid1, const char *__msgid2, unsigned long int __n)) - _INTL_ASM (libintl_ngettext); + _INTL_ASM (libintl_ngettext) + _INTL_MAY_RETURN_STRING_ARG (1) _INTL_MAY_RETURN_STRING_ARG (2); #endif /* Similar to `dgettext' but select the plural form corresponding to the number N. */ #ifdef _INTL_REDIRECT_INLINE extern char *libintl_dngettext (const char *__domainname, const char *__msgid1, - const char *__msgid2, unsigned long int __n); + const char *__msgid2, unsigned long int __n) + _INTL_MAY_RETURN_STRING_ARG (2) _INTL_MAY_RETURN_STRING_ARG (3); static inline char *dngettext (const char *__domainname, const char *__msgid1, const char *__msgid2, unsigned long int __n) { @@ -205,7 +223,8 @@ extern char *dngettext _INTL_PARAMS ((const char *__domainname, const char *__msgid1, const char *__msgid2, unsigned long int __n)) - _INTL_ASM (libintl_dngettext); + _INTL_ASM (libintl_dngettext) + _INTL_MAY_RETURN_STRING_ARG (2) _INTL_MAY_RETURN_STRING_ARG (3); #endif /* Similar to `dcgettext' but select the plural form corresponding to the @@ -213,7 +232,8 @@ extern char *dngettext _INTL_PARAMS ((const char *__domainname, #ifdef _INTL_REDIRECT_INLINE extern char *libintl_dcngettext (const char *__domainname, const char *__msgid1, const char *__msgid2, - unsigned long int __n, int __category); + unsigned long int __n, int __category) + _INTL_MAY_RETURN_STRING_ARG (2) _INTL_MAY_RETURN_STRING_ARG (3); static inline char *dcngettext (const char *__domainname, const char *__msgid1, const char *__msgid2, unsigned long int __n, int __category) @@ -229,7 +249,8 @@ extern char *dcngettext _INTL_PARAMS ((const char *__domainname, const char *__msgid2, unsigned long int __n, int __category)) - _INTL_ASM (libintl_dcngettext); + _INTL_ASM (libintl_dcngettext) + _INTL_MAY_RETURN_STRING_ARG (2) _INTL_MAY_RETURN_STRING_ARG (3); #endif |