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samba-mirror/examples/libsmbclient/testtruncate.c
Jeremy Allison 4609058a9c examples: Remove all uses of strcpy in examples (except for validchr.c).
I can't figure out how to make git handle the CR/LF differences
in this file.

Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Martin Schwenke <martin@meltin.net>
2016-03-22 04:38:24 +01:00

81 lines
1.6 KiB
C

#include <stdio.h>
#include <unistd.h>
#include <string.h>
#include <time.h>
#include <errno.h>
#include <libsmbclient.h>
#include "get_auth_data_fn.h"
int main(int argc, char * argv[])
{
int fd;
int ret;
int debug = 0;
int savedErrno;
char buffer[128];
struct stat st;
if (argc != 2)
{
printf("usage: "
"%s smb://path/to/file\n",
argv[0]);
return 1;
}
smbc_init(get_auth_data_fn, debug);
if ((fd = smbc_open(argv[1], O_WRONLY | O_CREAT | O_TRUNC, 0)) < 0)
{
perror("smbc_open");
return 1;
}
snprintf(buffer, sizeof(buffer), "%s", "Hello world.\nThis is a test.\n");
ret = smbc_write(fd, buffer, strlen(buffer));
savedErrno = errno;
smbc_close(fd);
if (ret < 0)
{
errno = savedErrno;
perror("write");
}
if (smbc_stat(argv[1], &st) < 0)
{
perror("smbc_stat");
return 1;
}
printf("Original size: %lu\n", (unsigned long) st.st_size);
if ((fd = smbc_open(argv[1], O_WRONLY, 0)) < 0)
{
perror("smbc_open");
return 1;
}
ret = smbc_ftruncate(fd, 13);
savedErrno = errno;
smbc_close(fd);
if (ret < 0)
{
errno = savedErrno;
perror("smbc_ftruncate");
return 1;
}
if (smbc_stat(argv[1], &st) < 0)
{
perror("smbc_stat");
return 1;
}
printf("New size: %lu\n", (unsigned long) st.st_size);
return 0;
}