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merge from gcc

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DJ Delorie 2001-09-17 23:10:37 +00:00
parent d2d5eb41e4
commit 4a1dd97454
2 changed files with 53 additions and 0 deletions
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13
include/ChangeLog
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@ -1,3 +1,16 @@
2001-09-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
* libiberty.h (concat_length, concat_copy, concat_copy2,
libiberty_concat_ptr, ACONCAT): New.
* libiberty.h (ASTRDUP): New macro.
libiberty_optr, libiberty_nptr, libiberty_len): Declare.
2001-09-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
* libiberty.h (ASTRDUP): New macro.
libiberty_optr, libiberty_nptr, libiberty_len): Declare.
2001-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
* ansidecl.h: Update comments reflecting previous change.

40
include/libiberty.h
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@ -90,6 +90,33 @@ extern const char *lbasename PARAMS ((const char *));
extern char *concat PARAMS ((const char *, ...)) ATTRIBUTE_MALLOC;
/* Determine the length of concatenating an arbitrary number of
strings, up to (char *) NULL. */
extern unsigned long concat_length PARAMS ((const char *, ...));
/* Concatenate an arbitrary number of strings into a SUPPLIED area of
memory, up to (char *) NULL. The supplied memory is assumed to be
large enough. */
extern char *concat_copy PARAMS ((char *, const char *, ...));
/* Concatenate an arbitrary number of strings into a GLOBAL area of
memory, up to (char *) NULL. The supplied memory is assumed to be
large enough. */
extern char *concat_copy2 PARAMS ((const char *, ...));
/* This is the global area used by concat_copy2. */
extern char *libiberty_concat_ptr;
/* Concatenate an arbitrary number of strings, up to (char *) NULL.
Allocates memory using alloca. Arguments are evaluated twice!. */
#define ACONCAT(ACONCAT_PARAMS) \
(libiberty_concat_ptr = alloca (concat_length ACONCAT_PARAMS + 1), \
concat_copy2 ACONCAT_PARAMS)
/* Check whether two file descriptors refer to the same file. */
extern int fdmatch PARAMS ((int fd1, int fd2));
@ -246,12 +273,25 @@ extern PTR C_alloca PARAMS((size_t));
#if GCC_VERSION >= 2000 && !defined USE_C_ALLOCA
# define alloca(x) __builtin_alloca(x)
# undef C_ALLOCA
# define ASTRDUP(X) \
(__extension__ ({ const char *const libiberty_optr = (X); \
const unsigned long libiberty_len = strlen (libiberty_optr) + 1; \
char *const libiberty_nptr = alloca (libiberty_len); \
(char *) memcpy (libiberty_nptr, libiberty_optr, libiberty_len); }))
#else
# define alloca(x) C_alloca(x)
# undef USE_C_ALLOCA
# define USE_C_ALLOCA 1
# undef C_ALLOCA
# define C_ALLOCA 1
extern const char *libiberty_optr;
extern char *libiberty_nptr;
extern unsigned long libiberty_len;
# define ASTRDUP(X) \
(libiberty_optr = (X), \
libiberty_len = strlen (libiberty_optr) + 1, \
libiberty_nptr = alloca (libiberty_len), \
(char *) memcpy (libiberty_nptr, libiberty_optr, libiberty_len))
#endif
#ifdef __cplusplus