1 /**************************************************************
2 *
3 * Licensed to the Apache Software Foundation (ASF) under one
4 * or more contributor license agreements. See the NOTICE file
5 * distributed with this work for additional information
6 * regarding copyright ownership. The ASF licenses this file
7 * to you under the Apache License, Version 2.0 (the
8 * "License"); you may not use this file except in compliance
9 * with the License. You may obtain a copy of the License at
10 *
11 * http://www.apache.org/licenses/LICENSE-2.0
12 *
13 * Unless required by applicable law or agreed to in writing,
14 * software distributed under the License is distributed on an
15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16 * KIND, either express or implied. See the License for the
17 * specific language governing permissions and limitations
18 * under the License.
19 *
20 *************************************************************/
21
22
23
24 #include "file_image.h"
25
26 #include <unistd.h>
27 #include <errno.h>
28 #include <stdio.h>
29 #include <string.h>
30
31 /* do_pagein */
do_pagein(const char * filename,size_t * size)32 static int do_pagein (const char * filename, size_t * size)
33 {
34 int result;
35 file_image image = FILE_IMAGE_INITIALIZER;
36
37 if ((result = file_image_open (&image, filename)) != 0)
38 return (result);
39
40 if ((result = file_image_pagein (&image)) != 0)
41 {
42 fprintf (stderr, "file_image_pagein: %s\n", strerror(result));
43 goto cleanup_and_leave;
44 }
45
46 if (size)
47 {
48 *size = image.m_size;
49 }
50
51 cleanup_and_leave:
52 file_image_close (&image);
53 return (result);
54 }
55
56 /* main */
main(int argc,char ** argv)57 int main (int argc, char **argv)
58 {
59 int i, v = 0;
60 size_t nfiles = 0, nbytes = 0;
61
62 if (argc < 2)
63 {
64 fprintf (
65 stderr,
66 "%s: Usage: pagein [-v[v]] [-L<path>] [@]<filename> ...\n",
67 argv[0]);
68 return (1);
69 }
70
71 for (i = 1; i < argc; i++)
72 {
73 FILE * fp = 0;
74 size_t k = 0;
75
76 if (argv[i][0] == '-')
77 {
78 /* option */
79 int j = 1;
80 switch (argv[i][j])
81 {
82 case 'v':
83 /* verbosity level */
84 for (v += 1, j += 1; argv[i][j]; j++)
85 v += (argv[i][j] == 'v');
86 break;
87 case 'L':
88 /* search path */
89 if (chdir (&(argv[i][2])) == -1)
90 fprintf (stderr, "chdir: %s\n", strerror(errno));
91 break;
92 default:
93 /* ignored */
94 break;
95 }
96
97 /* next argv */
98 continue;
99 }
100
101
102 if ((argv[i][0] == '@') && ((fp = fopen (argv[i], "r")) == 0))
103 {
104 char path[1024];
105 if ((fp = fopen (&(argv[i][1]), "r")) == 0)
106 {
107 fprintf (stderr, "fopen: %s\n", strerror(errno));
108 continue;
109 }
110 while (fgets (path, sizeof(path), fp) != 0)
111 {
112 path[strlen(path) - 1] = '\0', k = 0;
113 if (do_pagein (path, &k) == 0)
114 {
115 /* accumulate total size */
116 nbytes += k;
117 }
118
119 if (v >= 2)
120 fprintf (stderr, "pagein(\"%s\") = %d bytes\n", path, (int) k);
121 nfiles += 1;
122 }
123 fclose (fp);
124 }
125 else
126 {
127 if (fp != 0)
128 fclose (fp);
129
130 if (do_pagein (argv[i], &k) == 0)
131 {
132 /* accumulate total size */
133 nbytes += k;
134 }
135
136 if (v >= 2)
137 fprintf (stderr, "pagein(\"%s\") = %d bytes\n", argv[i], (int) k);
138 nfiles += 1;
139 }
140 }
141
142 if (v >= 1)
143 fprintf (stderr, "Total: %d files (%d bytes)\n", (int) nfiles, (int) nbytes);
144 return (0);
145 }
146