diff options
Diffstat (limited to 'posix/glob.c')
| -rw-r--r-- | posix/glob.c | 63 |
1 files changed, 62 insertions, 1 deletions
diff --git a/posix/glob.c b/posix/glob.c index f0cb6d377b..6a601ee15e 100644 --- a/posix/glob.c +++ b/posix/glob.c @@ -16,7 +16,7 @@ Boston, MA 02111-1307, USA. */ /* AIX requires this to be the first thing in the file. */ -#if defined (_AIX) && !defined (__GNUC__) +#if defined _AIX && !defined __GNUC__ #pragma alloca #endif @@ -169,6 +169,11 @@ extern void bcopy (); # define strcoll strcmp #endif +#if !defined HAVE_MEMPCPY && __GLIBC__ - 0 == 2 && __GLIBC_MINOR__ >= 1 +# define HAVE_MEMPCPY 1 +# define mempcpy(Dest, Src, Len) __mempcpy (Dest, Src, Len) +#endif + #ifndef __GNU_LIBRARY__ # ifdef __GNUC__ @@ -417,8 +422,12 @@ glob (pattern, flags, errfunc, pglob) int result; /* Construct the new glob expression. */ +#ifdef HAVE_MEMPCPY + mempcpy (mempcpy (alt_start, p, next - p), rest, rest_len); +#else memcpy (alt_start, p, next - p); memcpy (&alt_start[next - p], rest, rest_len); +#endif result = glob (onealt, ((flags & ~(GLOB_NOCHECK|GLOB_NOMAGIC)) @@ -479,8 +488,12 @@ glob (pattern, flags, errfunc, pglob) { dirlen = filename - pattern; dirname = (char *) __alloca (dirlen + 1); +#ifdef HAVE_MEMPCPY + *((char *) mempcpy (dirname, pattern, dirlen)) = '\0'; +#else memcpy (dirname, pattern, dirlen); dirname[dirlen] = '\0'; +#endif ++filename; } @@ -568,8 +581,13 @@ glob (pattern, flags, errfunc, pglob) char *newp; size_t home_len = strlen (home_dir); newp = (char *) __alloca (home_len + dirlen); +# ifdef HAVE_MEMPCPY + mempcpy (mempcpy (newp, home_dir, home_len), + &dirname[1], dirlen); +# else memcpy (newp, home_dir, home_len); memcpy (&newp[home_len], &dirname[1], dirlen); +# endif dirname = newp; } } @@ -585,8 +603,13 @@ glob (pattern, flags, errfunc, pglob) else { user_name = (char *) __alloca (end_name - dirname); +# ifdef HAVE_MEMPCPY + *((char *) mempcpy (user_name, dirname + 1, end_name - dirname)) + = '\0'; +# else memcpy (user_name, dirname + 1, end_name - dirname); user_name[end_name - dirname - 1] = '\0'; +# endif } /* Look up specific user's home directory. */ @@ -614,9 +637,14 @@ glob (pattern, flags, errfunc, pglob) size_t home_len = strlen (home_dir); size_t rest_len = end_name == NULL ? 0 : strlen (end_name); newp = (char *) __alloca (home_len + rest_len + 1); +# ifdef HAVE_MEMPCPY + *((char *) mempcpy (mempcpy (newp, home_dir, home_len), + end_name, rest_len)) = '\0'; +# else memcpy (newp, home_dir, home_len); memcpy (&newp[home_len], end_name, rest_len); newp[home_len + rest_len] = '\0'; +# endif dirname = newp; } } @@ -838,9 +866,17 @@ prefix_array (dirname, array, n) return 1; } +#ifdef HAVE_MEMPCPY + { + char *endp = (char *) mempcpy (new, dirname, dirlen); + *endp++ = '/'; + mempcpy (endp, array[i], eltlen); + } +#else memcpy (new, dirname, dirlen); new[dirlen] = '/'; memcpy (&new[dirlen + 1], array[i], eltlen); +#endif free ((__ptr_t) array[i]); array[i] = new; } @@ -922,6 +958,18 @@ glob_in_dir (pattern, directory, flags, errfunc, pglob) (flags & GLOB_ERR)) return GLOB_ABORTED; } + else if (pattern[0] == '\0') + { + /* This is a special case for matching directories like in + "*a/". */ + names = (struct globlink *) __alloca (sizeof (struct globlink)); + names->name = (char *) malloc (1); + if (names->name == NULL) + goto memory_error; + names->name[0] = '\0'; + names->next = NULL; + nfound = 1; + } else while (1) { @@ -941,8 +989,13 @@ glob_in_dir (pattern, directory, flags, errfunc, pglob) names->name = (char *) malloc (len + 1); if (names->name == NULL) goto memory_error; +#ifdef HAVE_MEMPCPY + *((char *) mempcpy ((__ptr_t) names->name, pattern, len)) + = '\0'; +#else memcpy ((__ptr_t) names->name, pattern, len); names->name[len] = '\0'; +#endif names->next = NULL; nfound = 1; break; @@ -992,8 +1045,12 @@ glob_in_dir (pattern, directory, flags, errfunc, pglob) = (char *) malloc (len + 1); if (new->name == NULL) goto memory_error; +#ifdef HAVE_MEMPCPY + *((char *) mempcpy ((__ptr_t) new->name, name, len)) = '\0'; +#else memcpy ((__ptr_t) new->name, name, len); new->name[len] = '\0'; +#endif new->next = names; names = new; ++nfound; @@ -1014,8 +1071,12 @@ glob_in_dir (pattern, directory, flags, errfunc, pglob) names->name = (char *) malloc (len + 1); if (names->name == NULL) goto memory_error; +#ifdef HAVE_MEMPCPY + *((char *) mempcpy (names->name, pattern, len)) = '\0'; +#else memcpy (names->name, pattern, len); names->name[len] = '\0'; +#endif } if (nfound != 0) |