xref: /trunk/main/desktop/source/pagein/pagein.c (revision cdf0e10c)
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27 
28 #include "file_image.h"
29 
30 #include <unistd.h>
31 #include <errno.h>
32 #include <stdio.h>
33 #include <string.h>
34 
35 /* do_pagein */
36 static int do_pagein (const char * filename, size_t * size)
37 {
38 	int result;
39 	file_image image = FILE_IMAGE_INITIALIZER;
40 
41 	if ((result = file_image_open (&image, filename)) != 0)
42 		return (result);
43 
44 	if ((result = file_image_pagein (&image)) != 0)
45 	{
46 		fprintf (stderr, "file_image_pagein: %s\n", strerror(result));
47 		goto cleanup_and_leave;
48 	}
49 
50 	if (size)
51 	{
52 		*size = image.m_size;
53 	}
54 
55 cleanup_and_leave:
56 	file_image_close (&image);
57 	return (result);
58 }
59 
60 /* main */
61 int  main (int argc, char **argv)
62 {
63 	int    i, v = 0;
64 	size_t nfiles = 0, nbytes = 0;
65 
66 	if (argc < 2)
67 	{
68 		fprintf (
69 			stderr,
70 			"%s: Usage: pagein [-v[v]] [-L<path>] [@]<filename> ...\n",
71 			argv[0]);
72 		return (1);
73 	}
74 
75 	for (i = 1; i < argc; i++)
76 	{
77 		FILE   * fp = 0;
78 		size_t   k  = 0;
79 
80 		if (argv[i][0] == '-')
81 		{
82 			/* option */
83 			int j = 1;
84 			switch (argv[i][j])
85 			{
86 				case 'v':
87 					/* verbosity level */
88 					for (v += 1, j += 1; argv[i][j]; j++)
89 						v += (argv[i][j] == 'v');
90 					break;
91 				case 'L':
92 					/* search path */
93 					if (chdir (&(argv[i][2])) == -1)
94 						fprintf (stderr, "chdir: %s\n", strerror(errno));
95 					break;
96 				default:
97 					/* ignored */
98 					break;
99 			}
100 
101 			/* next argv */
102 			continue;
103 		}
104 
105 
106 		if ((argv[i][0] == '@') && ((fp = fopen (argv[i], "r")) == 0))
107 		{
108 			char path[1024];
109 			if ((fp = fopen (&(argv[i][1]), "r")) == 0)
110 			{
111 				fprintf (stderr, "fopen: %s\n", strerror(errno));
112 				continue;
113 			}
114 			while (fgets (path, sizeof(path), fp) != 0)
115 			{
116 				path[strlen(path) - 1] = '\0', k = 0;
117 				if (do_pagein (path, &k) == 0)
118 				{
119 					/* accumulate total size */
120 					nbytes += k;
121 				}
122 
123 				if (v >= 2)
124 					fprintf (stderr, "pagein(\"%s\") = %d bytes\n", path, (int) k);
125 				nfiles += 1;
126 			}
127 			fclose (fp);
128 		}
129 		else
130 		{
131 			if (fp != 0)
132 				fclose (fp);
133 
134 			if (do_pagein (argv[i], &k) == 0)
135 			{
136 				/* accumulate total size */
137 				nbytes += k;
138 			}
139 
140 			if (v >= 2)
141 				fprintf (stderr, "pagein(\"%s\") = %d bytes\n", argv[i], (int) k);
142 			nfiles += 1;
143 		}
144 	}
145 
146 	if (v >= 1)
147 		fprintf (stderr, "Total: %d files (%d bytes)\n", (int) nfiles, (int) nbytes);
148 	return (0);
149 }
150