+++ /dev/null
-diff -Bburpd make-3.81_orig/file.c make-3.81/file.c
---- make-3.81_orig/file.c 2006-05-23 13:59:11.000000000 +0200
-+++ make-3.81/file.c 2006-05-23 14:39:34.000000000 +0200
-@@ -490,7 +490,7 @@ expand_deps (struct file *f)
-
- o = subst_expand (buffer, d->name, "%", "$*", 1, 2, 0);
-
-- free (d->name);
-+ hash_strfree (d->name);
- d->name = savestring (buffer, o - buffer);
- d->staticpattern = 0; /* Clear staticpattern so that we don't
- re-expand %s below. */
-@@ -549,7 +549,7 @@ expand_deps (struct file *f)
- dp->name[0] = '\0';
- else
- {
-- free (dp->name);
-+ hash_strfree (dp->name);
- dp->name = savestring (buffer, o - buffer);
- }
- }
-@@ -580,7 +580,7 @@ expand_deps (struct file *f)
- if (d1->file == 0)
- d1->file = enter_file (d1->name);
- else
-- free (d1->name);
-+ hash_strfree (d1->name);
- d1->name = 0;
- d1->staticpattern = 0;
- d1->need_2nd_expansion = 0;
-Only in make-3.81: file.c~
-diff -Bburpd make-3.81_orig/implicit.c make-3.81/implicit.c
---- make-3.81_orig/implicit.c 2006-05-23 13:59:11.000000000 +0200
-+++ make-3.81/implicit.c 2006-05-23 14:40:01.000000000 +0200
-@@ -864,7 +864,7 @@ pattern_search (struct file *file, int a
- dep->file = enter_file (dep->name);
- /* enter_file uses dep->name _if_ we created a new file. */
- if (dep->name != dep->file->name)
-- free (dep->name);
-+ hash_strfree (dep->name);
- dep->name = 0;
- dep->file->tried_implicit |= dep->changed;
- }
-Only in make-3.81: implicit.c~
-diff -Bburpd make-3.81_orig/main.c make-3.81/main.c
---- make-3.81_orig/main.c 2006-05-23 13:59:11.000000000 +0200
-+++ make-3.81/main.c 2006-05-23 14:40:49.000000000 +0200
-@@ -540,6 +540,7 @@ initialize_global_hash_tables (void)
- init_hash_files ();
- hash_init_directories ();
- hash_init_function_table ();
-+ init_hash_strings ();
- }
-
- static struct file *
-Only in make-3.81: main.c~
-diff -Bburpd make-3.81_orig/make.h make-3.81/make.h
---- make-3.81_orig/make.h 2006-05-23 13:59:11.000000000 +0200
-+++ make-3.81/make.h 2006-05-23 14:41:21.000000000 +0200
-@@ -431,6 +431,11 @@ extern void print_spaces PARAMS ((unsign
- extern char *find_percent PARAMS ((char *));
- extern FILE *open_tmpfile PARAMS ((char **, const char *));
-
-+extern void init_hash_strings PARAMS ((void));
-+extern char *hash_strdup PARAMS ((const char *));
-+extern char *hash_savestring PARAMS ((const char *, unsigned int));
-+extern void hash_strfree PARAMS ((char *));
-+
- #ifndef NO_ARCHIVES
- extern int ar_name PARAMS ((char *));
- extern void ar_parse_name PARAMS ((char *, char **, char **));
-Only in make-3.81: make.h~
-diff -Bburpd make-3.81_orig/misc.c make-3.81/misc.c
---- make-3.81_orig/misc.c 2006-05-23 13:59:11.000000000 +0200
-+++ make-3.81/misc.c 2006-05-23 14:42:59.000000000 +0200
-@@ -16,8 +16,10 @@ You should have received a copy of the G
- GNU Make; see the file COPYING. If not, write to the Free Software
- Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. */
-
-+#include <assert.h>
- #include "make.h"
- #include "dep.h"
-+#include "hash.h"
- #include "debug.h"
-
- /* Variadic functions. We go through contortions to allow proper function
-@@ -511,7 +513,7 @@ void
- free_dep (struct dep *d)
- {
- if (d->name != 0)
-- free (d->name);
-+ hash_strfree (d->name);
-
- if (d->stem != 0)
- free (d->stem);
-@@ -535,7 +537,7 @@ copy_dep_chain (const struct dep *d)
- bcopy ((char *) d, (char *) c, sizeof (struct dep));
-
- if (c->name != 0)
-- c->name = xstrdup (c->name);
-+ c->name = hash_strdup (c->name);
- if (c->stem != 0)
- c->stem = xstrdup (c->stem);
-
-@@ -909,3 +911,154 @@ close_stdout (void)
- exit (EXIT_FAILURE);
- }
- }
-+
-+/* Hash table of duplicated strings. */
-+
-+struct hash_string
-+{
-+ char *string;
-+ unsigned int count;
-+};
-+
-+static unsigned long
-+string_hash_1 (key)
-+ const void *key;
-+{
-+ return_ISTRING_HASH_1 (((const struct hash_string *) key)->string);
-+}
-+
-+static unsigned long
-+string_hash_2 (key)
-+ const void *key;
-+{
-+ return_ISTRING_HASH_2 (((const struct hash_string *) key)->string);
-+}
-+
-+static int
-+string_hash_cmp (x, y)
-+ const void *x;
-+ const void *y;
-+{
-+ return_ISTRING_COMPARE (((const struct hash_string *) x)->string,
-+ ((const struct hash_string *) y)->string);
-+}
-+
-+static struct hash_table strings;
-+
-+void
-+init_hash_strings ()
-+{
-+ hash_init (&strings, 1000, string_hash_1, string_hash_2,
-+ string_hash_cmp);
-+}
-+
-+/* Keep track duplicated string and return the old one if exists. */
-+
-+char *
-+hash_strdup (ptr)
-+ const char *ptr;
-+{
-+ struct hash_string *h, key;
-+
-+ if (*ptr == '\0')
-+ return "";
-+
-+ key.string = (char *) ptr;
-+ key.count = 0;
-+ h = (struct hash_string *) hash_find_item (&strings, &key);
-+ if (h == NULL)
-+ {
-+ char *result = (char *) malloc (strlen (ptr) + 1);
-+
-+ if (result == NULL)
-+ fatal (NILF, _("virtual memory exhausted"));
-+
-+ strcpy (result, ptr);
-+
-+ h = (struct hash_string *) malloc (sizeof (struct hash_string));
-+ if (h == NULL)
-+ fatal (NILF, _("virtual memory exhausted"));
-+
-+ h->string = result;
-+ h->count = 1;
-+ hash_insert (&strings, h);
-+ }
-+ else
-+ {
-+ h->count++;
-+ assert (h->count != 0);
-+ }
-+
-+ return h->string;
-+}
-+
-+char *
-+hash_savestring (str, length)
-+ const char *str;
-+ unsigned int length;
-+{
-+ struct hash_string *h, key;
-+
-+ if (length == 0 || *str == '\0')
-+ return "";
-+
-+ key.string = alloca (length + 1);
-+ key.count = 0;
-+ bcopy (str, key.string, length);
-+ key.string [length] = '\0';
-+
-+ h = (struct hash_string *) hash_find_item (&strings, &key);
-+ if (h == NULL)
-+ {
-+ char *out = (char *) xmalloc (length + 1);
-+ bcopy (str, out, length);
-+ out[length] = '\0';
-+
-+ h = (struct hash_string *) malloc (sizeof (struct hash_string));
-+ if (h == NULL)
-+ fatal (NILF, _("virtual memory exhausted"));
-+
-+ h->string = out;
-+ h->count = 1;
-+ hash_insert (&strings, h);
-+ }
-+ else
-+ {
-+ h->count++;
-+ assert (h->count != 0);
-+ }
-+
-+ return h->string;
-+}
-+
-+void
-+hash_strfree (ptr)
-+ char *ptr;
-+{
-+ struct hash_string *h, key;
-+
-+ if (*ptr == '\0')
-+ return;
-+
-+ key.string = ptr;
-+ key.count = 0;
-+ h = (struct hash_string *) hash_find_item (&strings, &key);
-+
-+ /* Check if string comes from hash_strdup or hash_savestring. */
-+ if (h == NULL || h->string != ptr)
-+ {
-+ free (ptr);
-+ return;
-+ }
-+
-+ h->count--;
-+ if (h->count == 0)
-+ {
-+ struct hash_string *d;
-+
-+ d = hash_delete (&strings, h);
-+ assert (d == h);
-+ free (h->string);
-+ free (h);
-+ }
-+}
-Only in make-3.81: misc.c~
-Only in make-3.81: read.c~
projects / people / amarx / ipfire-3.x.git / blobdiff