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authorJeremy Allison <jra@samba.org>2002-01-03 21:48:17 +0000
committerJeremy Allison <jra@samba.org>2002-01-03 21:48:17 +0000
commit35fff73f1025906eb4a714dd8bd89d263c5f9ee5 (patch)
tree20c48f6f4e05ff79c68d3bfe941b190afb7dc793 /source3/lib
parent894e87cb32542414c51f5e70c89f68abf3d9a312 (diff)
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Don't use static memory, malloc it...
Jeremy. (This used to be commit 8aee8211cddb6705c9aa545fc57ece2c721ef448)
Diffstat (limited to 'source3/lib')
-rw-r--r--source3/lib/util.c14
1 files changed, 12 insertions, 2 deletions
diff --git a/source3/lib/util.c b/source3/lib/util.c
index c7b4ab8ed1..2f2affffe9 100644
--- a/source3/lib/util.c
+++ b/source3/lib/util.c
@@ -565,22 +565,30 @@ int set_blocking(int fd, BOOL set)
Transfer some data between two fd's.
****************************************************************************/
+#ifndef TRANSFER_BUF_SIZE
+#define TRANSFER_BUF_SIZE 65536
+#endif
+
ssize_t transfer_file_internal(int infd, int outfd, size_t n, ssize_t (*read_fn)(int, void *, size_t),
ssize_t (*write_fn)(int, const void *, size_t))
{
- static char buf[16384];
+ char *buf;
size_t total = 0;
ssize_t read_ret;
ssize_t write_ret;
size_t num_to_read_thistime;
size_t num_written = 0;
+ if ((buf = malloc(TRANSFER_BUF_SIZE)) == NULL)
+ return -1;
+
while (total < n) {
- num_to_read_thistime = MIN((n - total), sizeof(buf));
+ num_to_read_thistime = MIN((n - total), TRANSFER_BUF_SIZE);
read_ret = (*read_fn)(infd, buf, num_to_read_thistime);
if (read_ret == -1) {
DEBUG(0,("transfer_file_internal: read failure. Error = %s\n", strerror(errno) ));
+ SAFE_FREE(buf);
return -1;
}
if (read_ret == 0)
@@ -593,6 +601,7 @@ ssize_t transfer_file_internal(int infd, int outfd, size_t n, ssize_t (*read_fn)
if (write_ret == -1) {
DEBUG(0,("transfer_file_internal: write failure. Error = %s\n", strerror(errno) ));
+ SAFE_FREE(buf);
return -1;
}
if (write_ret == 0)
@@ -604,6 +613,7 @@ ssize_t transfer_file_internal(int infd, int outfd, size_t n, ssize_t (*read_fn)
total += (size_t)read_ret;
}
+ SAFE_FREE(buf);
return (ssize_t)total;
}