1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119
|
/*
* Copyright (c) Abraham vd Merwe <abz@blio.com>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the author nor the names of other contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <unistd.h>
#include <stdarg.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <string.h>
#include <debug/log.h>
#include <debug/memory.h>
#include <abz/error.h>
#include <abz/stream.h>
#include <abz/run.h>
static void fail (const char *fmt, ...)
{
va_list ap;
va_start (ap,fmt);
if (fmt != NULL) log_vprintf (LOG_ERROR,fmt,ap);
va_end (ap);
exit (EXIT_FAILURE);
}
int main (void)
{
struct stream istream,ostream;
ssize_t result,res2;
const char infile[] = "test_parse.txt";
const char outfile[] = "test_stream.txt";
size_t n = 0;
char *line;
int infd,outfd;
mem_open (NULL);
log_open (NULL,LOG_NOISY,LOG_HAVE_COLORS | LOG_PRINT_FUNCTION);
atexit (mem_close);
atexit (log_close);
if ((infd = open (infile,O_RDONLY)) < 0)
fail ("failed to open %s for reading\n",infile);
if ((outfd = creat (outfile,0644)) < 0)
{
close (infd);
fail ("failed to create %s\n",outfile);
}
stream_open (&istream,infd);
stream_open (&ostream,outfd);
while ((result = stream_getline (&istream,&line)) > 0)
{
if ((res2 = stream_write (&ostream,line,strlen (line))) < 0 || res2 != strlen (line))
{
stream_close (&istream);
stream_close (&ostream);
unlink (outfile);
if (res2 < 0)
fail ("write error: %s\n",abz_get_error ());
else
fail ("short write count: %u/%u bytes written\n",res2,strlen (line));
}
line[strlen (line) - 1] = '\0';
log_printf (LOG_NORMAL,"line %u: \"%s\"\n",++n,line);
mem_free (line);
}
stream_close (&istream);
stream_close (&ostream);
if (result < 0)
{
unlink (outfile);
fail ("read error: %s\n",abz_get_error ());
}
if (run ("/usr/bin/cmp -s %s %s",infile,outfile))
{
unlink (outfile);
fail ("%s\n",abz_get_error ());
}
unlink (outfile);
exit (EXIT_SUCCESS);
}
|