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Fix breakage caused by allocating the I/O buffer. There was a

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sizeof(buf) lurking around that I missed.

PR: 38811
Submitted by: Adrian Colley <aecolley@spamcop.net>
This commit is contained in:
Marcel Moolenaar 2002-06-02 19:20:37 +00:00
parent 228433f751
commit acc6623066
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=97746
1 changed files with 5 additions and 2 deletions
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7
sbin/savecore/savecore.c
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@ -85,6 +85,9 @@ __FBSDID("$FreeBSD$");
#include <time.h>
#include <unistd.h>
/* The size of the buffer used for I/O. */
#define BUFFERSIZE (1024*1024)
int compress, clear, force, keep, verbose; /* flags */
int nfound, nsaved, nerr; /* statistics */
@ -225,7 +228,7 @@ DoFile(char *savedir, const char *device)
* this by doing a on-time allocation...
*/
if (buf == NULL) {
buf = malloc(1024 * 1024);
buf = malloc(BUFFERSIZE);
if (buf == NULL) {
syslog(LOG_ERR, "%m");
return;
@ -371,7 +374,7 @@ DoFile(char *savedir, const char *device)
compress ? "compressed " : "", buf);
while (dumpsize > 0) {
wl = sizeof(buf);
wl = BUFFERSIZE;
if (wl > dumpsize)
wl = dumpsize;
nr = read(fd, buf, wl);