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-rw-r--r--src/mem.c196
1 files changed, 88 insertions, 108 deletions
diff --git a/src/mem.c b/src/mem.c
index f1ea97c..ecb8aa4 100644
--- a/src/mem.c
+++ b/src/mem.c
@@ -71,75 +71,68 @@ static struct mem_stats mstats;
#endif /* CALCURSE_MEMORY_DEBUG */
-
-void *
-xmalloc (size_t size)
+void *xmalloc(size_t size)
{
void *p;
- EXIT_IF (size == 0, _("xmalloc: zero size"));
- p = malloc (size);
- EXIT_IF (p == NULL, _("xmalloc: out of memory"));
+ EXIT_IF(size == 0, _("xmalloc: zero size"));
+ p = malloc(size);
+ EXIT_IF(p == NULL, _("xmalloc: out of memory"));
return p;
}
-void *
-xcalloc (size_t nmemb, size_t size)
+void *xcalloc(size_t nmemb, size_t size)
{
void *p;
- EXIT_IF (nmemb == 0 || size == 0, _("xcalloc: zero size"));
- EXIT_IF (SIZE_MAX / nmemb < size, _("xcalloc: overflow"));
- p = calloc (nmemb, size);
- EXIT_IF (p == NULL, _("xcalloc: out of memory"));
+ EXIT_IF(nmemb == 0 || size == 0, _("xcalloc: zero size"));
+ EXIT_IF(SIZE_MAX / nmemb < size, _("xcalloc: overflow"));
+ p = calloc(nmemb, size);
+ EXIT_IF(p == NULL, _("xcalloc: out of memory"));
return p;
}
-void *
-xrealloc (void *ptr, size_t nmemb, size_t size)
+void *xrealloc(void *ptr, size_t nmemb, size_t size)
{
void *new_ptr;
size_t new_size;
new_size = nmemb * size;
- EXIT_IF (new_size == 0, _("xrealloc: zero size"));
- EXIT_IF (SIZE_MAX / nmemb < size, _("xrealloc: overflow"));
- new_ptr = realloc (ptr, new_size);
- EXIT_IF (new_ptr == NULL, _("xrealloc: out of memory"));
+ EXIT_IF(new_size == 0, _("xrealloc: zero size"));
+ EXIT_IF(SIZE_MAX / nmemb < size, _("xrealloc: overflow"));
+ new_ptr = realloc(ptr, new_size);
+ EXIT_IF(new_ptr == NULL, _("xrealloc: out of memory"));
return new_ptr;
}
-char *
-xstrdup (const char *str)
+char *xstrdup(const char *str)
{
size_t len;
char *cp;
- len = strlen (str) + 1;
- cp = xmalloc (len);
+ len = strlen(str) + 1;
+ cp = xmalloc(len);
- return strncpy (cp, str, len);
+ return strncpy(cp, str, len);
}
-void
-xfree (void *p)
+void xfree(void *p)
{
- EXIT_IF (p == NULL, _("xfree: null pointer"));
- free (p);
+ EXIT_IF(p == NULL, _("xfree: null pointer"));
+ free(p);
}
#ifdef CALCURSE_MEMORY_DEBUG
-static unsigned
-stats_add_blk (size_t size, const char *pos)
+static unsigned stats_add_blk(size_t size, const char *pos)
{
struct mem_blk *o, **i;
- o = malloc (sizeof (*o));
- EXIT_IF (o == NULL, _("could not allocate memory to store block info"));
+ o = malloc(sizeof(*o));
+ EXIT_IF(o == NULL, _("could not allocate memory to store block info"));
mstats.ncall++;
@@ -147,103 +140,95 @@ stats_add_blk (size_t size, const char *pos)
o->size = (unsigned)size;
o->next = 0;
- for (i = &mstats.blk; *i; i = &(*i)->next)
- ;
+ for (i = &mstats.blk; *i; i = &(*i)->next) ;
o->id = mstats.ncall;
*i = o;
return o->id;
}
-static void
-stats_del_blk (unsigned id)
+static void stats_del_blk(unsigned id)
{
struct mem_blk *o, **i;
i = &mstats.blk;
- for (o = mstats.blk; o; o = o->next)
- {
- if (o->id == id)
- {
- *i = o->next;
- free (o);
- return;
- }
- i = &o->next;
+ for (o = mstats.blk; o; o = o->next) {
+ if (o->id == id) {
+ *i = o->next;
+ free(o);
+ return;
}
+ i = &o->next;
+ }
- EXIT (_("Block not found"));
+ EXIT(_("Block not found"));
/* NOTREACHED */
}
-void *
-dbg_malloc (size_t size, const char *pos)
+void *dbg_malloc(size_t size, const char *pos)
{
unsigned *buf;
- if (size == 0)
+ if (size == 0)
return NULL;
- size = EXTRA_SPACE + (size + sizeof (unsigned) - 1) / sizeof (unsigned);
- buf = xmalloc (size * sizeof (unsigned));
+ size = EXTRA_SPACE + (size + sizeof(unsigned) - 1) / sizeof(unsigned);
+ buf = xmalloc(size * sizeof(unsigned));
- buf[BLK_STATE] = MAGIC_ALLOC; /* state of the block */
- buf[BLK_SIZE] = size; /* size of the block */
- buf[BLK_ID] = stats_add_blk (size, pos); /* identify a block by its id */
- buf[size - 1] = buf[BLK_ID]; /* mark at end of block */
+ buf[BLK_STATE] = MAGIC_ALLOC; /* state of the block */
+ buf[BLK_SIZE] = size; /* size of the block */
+ buf[BLK_ID] = stats_add_blk(size, pos); /* identify a block by its id */
+ buf[size - 1] = buf[BLK_ID]; /* mark at end of block */
mstats.nalloc += size;
return (void *)(buf + EXTRA_SPACE_START);
}
-void *
-dbg_calloc (size_t nmemb, size_t size, const char *pos)
+void *dbg_calloc(size_t nmemb, size_t size, const char *pos)
{
void *buf;
if (!nmemb || !size)
return NULL;
- EXIT_IF (nmemb > SIZE_MAX / size, _("overflow at %s"), pos);
+ EXIT_IF(nmemb > SIZE_MAX / size, _("overflow at %s"), pos);
size *= nmemb;
- if ((buf = dbg_malloc (size, pos)) == NULL)
+ if ((buf = dbg_malloc(size, pos)) == NULL)
return NULL;
- memset (buf, 0, size);
+ memset(buf, 0, size);
return buf;
}
-void *
-dbg_realloc (void *ptr, size_t nmemb, size_t size, const char *pos)
+void *dbg_realloc(void *ptr, size_t nmemb, size_t size, const char *pos)
{
unsigned *buf, old_size, new_size, cpy_size;
if (ptr == NULL)
return NULL;
- new_size = nmemb *size;
+ new_size = nmemb * size;
if (new_size == 0)
return NULL;
- EXIT_IF (nmemb > SIZE_MAX / size, _("overflow at %s"), pos);
+ EXIT_IF(nmemb > SIZE_MAX / size, _("overflow at %s"), pos);
- if ((buf = dbg_malloc (new_size, pos)) == NULL)
+ if ((buf = dbg_malloc(new_size, pos)) == NULL)
return NULL;
old_size = *((unsigned *)ptr - EXTRA_SPACE_START + BLK_SIZE);
cpy_size = (old_size > new_size) ? new_size : old_size;
- memmove (buf, ptr, cpy_size);
+ memmove(buf, ptr, cpy_size);
- mem_free (ptr);
+ mem_free(ptr);
return (void *)buf;
}
-char *
-dbg_strdup (const char *s, const char *pos)
+char *dbg_strdup(const char *s, const char *pos)
{
size_t size;
char *buf;
@@ -251,71 +236,66 @@ dbg_strdup (const char *s, const char *pos)
if (s == NULL)
return NULL;
- size = strlen (s);
- if ((buf = dbg_malloc (size + 1, pos)) == NULL)
+ size = strlen(s);
+ if ((buf = dbg_malloc(size + 1, pos)) == NULL)
return NULL;
- return strncpy (buf, s, size + 1);
+ return strncpy(buf, s, size + 1);
}
-void
-dbg_free (void *ptr, const char *pos)
+void dbg_free(void *ptr, const char *pos)
{
unsigned *buf, size;
- EXIT_IF (ptr == NULL, _("dbg_free: null pointer at %s"), pos);
+ EXIT_IF(ptr == NULL, _("dbg_free: null pointer at %s"), pos);
buf = (unsigned *)ptr - EXTRA_SPACE_START;
size = buf[BLK_SIZE];
- EXIT_IF (buf[BLK_STATE] == MAGIC_FREE,
- _("block seems already freed at %s"), pos);
- EXIT_IF (buf[BLK_STATE] != MAGIC_ALLOC,
- _("corrupt block header at %s"), pos);
- EXIT_IF (buf[size - 1] != buf[BLK_ID],
- _("corrupt block end at %s, (end = %u, should be %d)"), pos,
- buf[size - 1], buf[BLK_ID]);
+ EXIT_IF(buf[BLK_STATE] == MAGIC_FREE,
+ _("block seems already freed at %s"), pos);
+ EXIT_IF(buf[BLK_STATE] != MAGIC_ALLOC, _("corrupt block header at %s"), pos);
+ EXIT_IF(buf[size - 1] != buf[BLK_ID],
+ _("corrupt block end at %s, (end = %u, should be %d)"), pos,
+ buf[size - 1], buf[BLK_ID]);
buf[0] = MAGIC_FREE;
- stats_del_blk (buf[BLK_ID]);
+ stats_del_blk(buf[BLK_ID]);
- free (buf);
+ free(buf);
mstats.nfree += size;
}
-static void
-dump_block_info (struct mem_blk *blk)
+static void dump_block_info(struct mem_blk *blk)
{
if (blk == NULL)
return;
- puts (_("---==== MEMORY BLOCK ====----------------\n"));
- printf (_(" id: %u\n"), blk->id);
- printf (_(" size: %u\n"), blk->size);
- printf (_(" allocated in: %s\n"), blk->pos);
- puts (_("-----------------------------------------\n"));
+ puts(_("---==== MEMORY BLOCK ====----------------\n"));
+ printf(_(" id: %u\n"), blk->id);
+ printf(_(" size: %u\n"), blk->size);
+ printf(_(" allocated in: %s\n"), blk->pos);
+ puts(_("-----------------------------------------\n"));
}
-void
-mem_stats (void)
+void mem_stats(void)
{
- putchar ('\n');
- puts (_("+------------------------------+\n"));
- puts (_("| calcurse memory usage report |\n"));
- puts (_("+------------------------------+\n"));
- printf (_(" number of calls: %u\n"), mstats.ncall);
- printf (_(" allocated blocks: %u\n"), mstats.nalloc);
- printf (_(" unfreed blocks: %u\n"), mstats.nalloc - mstats.nfree);
- putchar ('\n');
-
- if (mstats.nfree < mstats.nalloc)
- {
- struct mem_blk *blk;
-
- for (blk = mstats.blk; blk; blk = blk->next)
- dump_block_info (blk);
- }
+ putchar('\n');
+ puts(_("+------------------------------+\n"));
+ puts(_("| calcurse memory usage report |\n"));
+ puts(_("+------------------------------+\n"));
+ printf(_(" number of calls: %u\n"), mstats.ncall);
+ printf(_(" allocated blocks: %u\n"), mstats.nalloc);
+ printf(_(" unfreed blocks: %u\n"), mstats.nalloc - mstats.nfree);
+ putchar('\n');
+
+ if (mstats.nfree < mstats.nalloc) {
+ struct mem_blk *blk;
+
+ for (blk = mstats.blk; blk; blk = blk->next)
+ dump_block_info(blk);
+ }
}
#endif /* CALCURSE_MEMORY_DEBUG */