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author | Kaveh R. Ghazi <ghazi@caip.rutgers.edu> | 1999-11-30 23:56:52 +0000 |
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committer | Kaveh Ghazi <ghazi@gcc.gnu.org> | 1999-11-30 23:56:52 +0000 |
commit | d94656872ddd8c58776576c370d6e174ab6662f4 (patch) | |
tree | 23e9f73303003aee49a00d65cffac4129fa21658 | |
parent | 8251469698a59e0e3ea61ff9ced016544135048a (diff) | |
download | gcc-d94656872ddd8c58776576c370d6e174ab6662f4.zip gcc-d94656872ddd8c58776576c370d6e174ab6662f4.tar.gz gcc-d94656872ddd8c58776576c370d6e174ab6662f4.tar.bz2 |
ansidecl.h (ATTRIBUTE_MALLOC): New macro.
* ansidecl.h (ATTRIBUTE_MALLOC): New macro.
* libiberty.h (buildargv, dupargv, concat, choose_temp_base,
make_temp_file, xmalloc, xcalloc, xstrdup, xmemdup): Add
ATTRIBUTE_MALLOC.
(xatexit): Remove __GNUC__ check, add ATTRIBUTE_NORETURN.
From-SVN: r30732
-rw-r--r-- | include/ChangeLog | 9 | ||||
-rw-r--r-- | include/ansidecl.h | 9 | ||||
-rw-r--r-- | include/libiberty.h | 28 |
3 files changed, 31 insertions, 15 deletions
diff --git a/include/ChangeLog b/include/ChangeLog index 3684776..f47d87f 100644 --- a/include/ChangeLog +++ b/include/ChangeLog @@ -1,3 +1,12 @@ +1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * ansidecl.h (ATTRIBUTE_MALLOC): New macro. + + * libiberty.h (buildargv, dupargv, concat, choose_temp_base, + make_temp_file, xmalloc, xcalloc, xstrdup, xmemdup): Add + ATTRIBUTE_MALLOC. + (xatexit): Remove __GNUC__ check, add ATTRIBUTE_NORETURN. + 1999-11-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> * libiberty.h: Include stdarg.h when ANSI_PROTOTYPES is defined. diff --git a/include/ansidecl.h b/include/ansidecl.h index 2b5c0e7..9e8a457 100644 --- a/include/ansidecl.h +++ b/include/ansidecl.h @@ -187,6 +187,15 @@ So instead we use the macro below and test it against specific values. */ # define __attribute__(x) #endif +/* Attribute __malloc__ on functions was valid as of gcc 2.96. */ +#ifndef ATTRIBUTE_MALLOC +# if (GCC_VERSION >= 2096) +# define ATTRIBUTE_MALLOC __attribute__ ((__malloc__)) +# else +# define ATTRIBUTE_MALLOC +# endif /* GNUC >= 2.96 */ +#endif /* ATTRIBUTE_MALLOC */ + /* Attributes on labels were valid as of gcc 2.93. */ #ifndef ATTRIBUTE_UNUSED_LABEL # if (GCC_VERSION >= 2093) diff --git a/include/libiberty.h b/include/libiberty.h index edc0066..9a536a4 100644 --- a/include/libiberty.h +++ b/include/libiberty.h @@ -19,7 +19,7 @@ extern "C" { /* Build an argument vector from a string. Allocates memory using malloc. Use freeargv to free the vector. */ -extern char **buildargv PARAMS ((char *)); +extern char **buildargv PARAMS ((char *)) ATTRIBUTE_MALLOC; /* Free a vector returned by buildargv. */ @@ -28,7 +28,7 @@ extern void freeargv PARAMS ((char **)); /* Duplicate an argument vector. Allocates memory using malloc. Use freeargv to free the vector. */ -extern char **dupargv PARAMS ((char **)); +extern char **dupargv PARAMS ((char **)) ATTRIBUTE_MALLOC; /* Return the last component of a path name. Note that we can't use a @@ -45,7 +45,7 @@ extern char *basename (); /* Concatenate an arbitrary number of strings, up to (char *) NULL. Allocates memory using xmalloc. */ -extern char *concat PARAMS ((const char *, ...)); +extern char *concat PARAMS ((const char *, ...)) ATTRIBUTE_MALLOC; /* Check whether two file descriptors refer to the same file. */ @@ -62,11 +62,11 @@ extern long get_run_time PARAMS ((void)); /* Choose a temporary directory to use for scratch files. */ -extern char *choose_temp_base PARAMS ((void)); +extern char *choose_temp_base PARAMS ((void)) ATTRIBUTE_MALLOC; /* Return a temporary file name or NULL if unable to create one. */ -extern char *make_temp_file PARAMS ((const char *)); +extern char *make_temp_file PARAMS ((const char *)) ATTRIBUTE_MALLOC; /* Allocate memory filled with spaces. Allocates using malloc. */ @@ -117,11 +117,7 @@ extern int xatexit PARAMS ((void (*fn) (void))); /* Exit, calling all the functions registered with xatexit. */ -#ifndef __GNUC__ -extern void xexit PARAMS ((int status)); -#else -void xexit PARAMS ((int status)) __attribute__ ((noreturn)); -#endif +extern void xexit PARAMS ((int status)) ATTRIBUTE_NORETURN; /* Set the program name used by xmalloc. */ @@ -137,24 +133,26 @@ extern void xmalloc_set_program_name PARAMS ((const char *)); /* Get a definition for va_list. */ #include <stdarg.h> #endif -extern PTR xmalloc PARAMS ((size_t)); +extern PTR xmalloc PARAMS ((size_t)) ATTRIBUTE_MALLOC; -/* Reallocate memory without fail. This works like xmalloc. */ +/* Reallocate memory without fail. This works like xmalloc. Note, + realloc type functions are not suitable for attribute malloc since + they may return the same address across multiple calls. */ extern PTR xrealloc PARAMS ((PTR, size_t)); /* Allocate memory without fail and set it to zero. This works like xmalloc. */ -extern PTR xcalloc PARAMS ((size_t, size_t)); +extern PTR xcalloc PARAMS ((size_t, size_t)) ATTRIBUTE_MALLOC; /* Copy a string into a memory buffer without fail. */ -extern char *xstrdup PARAMS ((const char *)); +extern char *xstrdup PARAMS ((const char *)) ATTRIBUTE_MALLOC; /* Copy an existing memory buffer to a new memory buffer without fail. */ -extern PTR xmemdup PARAMS ((const PTR, size_t, size_t)); +extern PTR xmemdup PARAMS ((const PTR, size_t, size_t)) ATTRIBUTE_MALLOC; /* hex character manipulation routines */ |