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From: rustyBSD <rustyBSD@gmx.fr> 

Subject: Re: [E-devel] E SVN: caro trunk/e/src/bin



SVN revision: 77216
This commit is contained in:
rustyBSD 2012-09-29 02:22:43 +00:00 committed by Carsten Haitzler
parent 2f7594a58f
commit 1093c09cab
1 changed files with 35 additions and 34 deletions
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69
src/bin/e_fm_op.c
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@ -105,7 +105,7 @@ static int _e_fm_op_symlink_atom(E_Fm_Op_Task *task);
static int _e_fm_op_remove_atom(E_Fm_Op_Task *task);
static int _e_fm_op_rename_atom(E_Fm_Op_Task *task);
static int _e_fm_op_destroy_atom(E_Fm_Op_Task *task);
static int _e_fm_op_random_buf(char *buf, ssize_t len);
static void _e_fm_op_random_buf(char *buf, ssize_t len);
static char _e_fm_op_random_char();
Ecore_Fd_Handler *_e_fm_op_stdin_handler = NULL;
@ -1679,10 +1679,9 @@ _e_fm_op_destroy_atom(E_Fm_Op_Task *task)
if (_e_fm_op_abort) goto finish;
static int fd = -1;
static char *buf = NULL;
off_t pos, sz;
// if we do this 7 times! we're
// int cnt, overwrite_count = 7;
int cnt, overwrite_count = 1;
static int passes = 0;
static off_t pos = 0;
off_t sz;
if (fd == -1)
{
@ -1706,39 +1705,39 @@ _e_fm_op_destroy_atom(E_Fm_Op_Task *task)
!S_ISREG(st2.st_mode))
goto finish;
if ((buf = malloc(65536)) == NULL)
if ((buf = malloc(READBUFSIZE)) == NULL)
goto finish;
task->src.st.st_size = st2.st_size;
}
for (cnt = 0; cnt < overwrite_count; cnt++)
{
if (lseek(fd, SEEK_SET, 0) == -1)
goto finish;
for (pos = 0; pos < task->src.st.st_size; pos += 65536)
{
sz = 65536;
if ((task->src.st.st_size - pos) < sz) sz = task->src.st.st_size - pos;
if (_e_fm_op_random_buf(buf, sz) == -1)
// alternate patterb between 0x00 and 0xff each round starting with 0xff
memset(buf, 0xff * ((cnt + 1) & 0x1), sz);
if (write(fd, buf, sz) != sz)
{
fsync(fd);
goto finish;
}
}
if (fsync(fd) == -1)
goto finish;
}
if (pos + READBUFSIZE > task->src.st.st_size) sz = task->src.st.st_size - pos;
else sz = READBUFSIZE;
task->dst.done++;
_e_fm_op_update_progress_report_simple((double)task->dst.done/NB_PASS*100, "/dev/urandom", task->src.name);
if (task->dst.done == NB_PASS)
_e_fm_op_random_buf(buf, sz);
if (write(fd, buf, sz) != sz)
goto finish;
if (fsync(fd) == -1)
goto finish;
pos += sz;
_e_fm_op_update_progress_report_simple((double) (pos + (passes * task->src.st.st_size)) /
(task->src.st.st_size * NB_PASS) * 100,
"/dev/urandom", task->src.name);
if (pos >= task->src.st.st_size)
{
passes++;
if (passes == NB_PASS)
goto finish;
if (lseek(fd, SEEK_SET, 0) == -1)
goto finish;
pos = 0;
return 1;
}
return 1;
@ -1746,11 +1745,13 @@ finish:
close(fd);
fd = -1;
E_FREE(buf);
passes = 0;
pos = 0;
task->finished = 1;
return 1;
}
static int
static void
_e_fm_op_random_buf(char *buf, ssize_t len)
{
int f = -1;
@ -1762,7 +1763,7 @@ _e_fm_op_random_buf(char *buf, ssize_t len)
{
buf[i] = _e_fm_op_random_char();
}
return 0;
return;
}
if (read(f, buf, len) != len)
@ -1774,7 +1775,7 @@ _e_fm_op_random_buf(char *buf, ssize_t len)
}
close(f);
return 0;
return;
}
static char