Annotation of embedtools/src/imgupd.c, revision 1.1.2.4
1.1.2.4 ! misho 1: /*************************************************************************
! 2: * (C) 2014 AITNET - Sofia/Bulgaria - <office@aitbg.com>
! 3: * by Michael Pounov <misho@aitbg.com>
! 4: *
! 5: * $Author: misho $
! 6: * $Id: imgupd.c,v 1.3 2014/02/05 15:12:10 misho Exp $
! 7: *
! 8: *************************************************************************
! 9: The ELWIX and AITNET software is distributed under the following
! 10: terms:
! 11:
! 12: All of the documentation and software included in the ELWIX and AITNET
! 13: Releases is copyrighted by ELWIX - Sofia/Bulgaria <info@elwix.org>
! 14:
! 15: Copyright 2004 - 2014
! 16: by Michael Pounov <misho@elwix.org>. All rights reserved.
! 17:
! 18: Redistribution and use in source and binary forms, with or without
! 19: modification, are permitted provided that the following conditions
! 20: are met:
! 21: 1. Redistributions of source code must retain the above copyright
! 22: notice, this list of conditions and the following disclaimer.
! 23: 2. Redistributions in binary form must reproduce the above copyright
! 24: notice, this list of conditions and the following disclaimer in the
! 25: documentation and/or other materials provided with the distribution.
! 26: 3. All advertising materials mentioning features or use of this software
! 27: must display the following acknowledgement:
! 28: This product includes software developed by Michael Pounov <misho@elwix.org>
! 29: ELWIX - Embedded LightWeight unIX and its contributors.
! 30: 4. Neither the name of AITNET nor the names of its contributors
! 31: may be used to endorse or promote products derived from this software
! 32: without specific prior written permission.
! 33:
! 34: THIS SOFTWARE IS PROVIDED BY AITNET AND CONTRIBUTORS ``AS IS'' AND
! 35: ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
! 36: IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
! 37: ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
! 38: FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
! 39: DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
! 40: OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
! 41: HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
! 42: LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
! 43: OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
! 44: SUCH DAMAGE.
! 45: */
1.1.2.1 misho 46: #include "global.h"
47:
48:
49: char imgName[PATH_MAX], imgFile[PATH_MAX];
1.1.2.4 ! misho 50: off_t imgSize, iSize;
1.1.2.1 misho 51: int Verbose;
52: extern char compiled[], compiledby[], compilehost[];
53:
54: static void
55: Usage()
56: {
57:
58: printf( "IMGUPD is tool for management of images\n"
59: "=== %s === %s@%s ===\n\n"
60: " Syntax: imgupd [options] <image_file>\n\n"
61: "\t-v\t\tVerbose ...\n"
1.1.2.3 misho 62: "\t-t\t\tTruncate Storage file name\n"
1.1.2.4 ! misho 63: "\t-s <size>\tStorage size (required for stdin)\n"
1.1.2.1 misho 64: "\t-f <devfile>\tStorage file name\n"
65: "\n", compiled, compiledby, compilehost);
66: }
67:
68: static int
69: EmptyStore(int img)
70: {
71: register int i;
1.1.2.4 ! misho 72: u_char buf[IMGBUF_SIZE];
1.1.2.1 misho 73: ssize_t wlen;
74:
1.1.2.2 misho 75: VERB(1) printf("Erase store %s\n", imgName);
76:
1.1.2.3 misho 77: iSize = lseek(img, 0, SEEK_END);
78: if (iSize == -1) {
79: ESYSERR(0);
80: return -1;
81: } else
1.1.2.4 ! misho 82: imgSize += E_ALIGN(iSize, IMGBUF_SIZE);
1.1.2.3 misho 83:
1.1.2.1 misho 84: memset(buf, 0, sizeof buf);
1.1.2.4 ! misho 85: for (i = howmany(iSize, IMGBUF_SIZE); i < howmany(imgSize, IMGBUF_SIZE); i++)
1.1.2.1 misho 86: if ((wlen = write(img, buf, sizeof buf)) == -1 ||
87: wlen != sizeof buf) {
1.1.2.2 misho 88: EERROR(EIO, "Error at chunk %d init %d bytes, should be %u\n",
1.1.2.1 misho 89: i, wlen, sizeof buf);
90: return -1;
91: } else
92: VERB(1) printf("+Written chunk #%d\n", i);
93:
1.1.2.3 misho 94: iSize = lseek(img, iSize, SEEK_SET);
1.1.2.1 misho 95: return iSize;
96: }
97:
1.1.2.2 misho 98: static int
99: FillStore(int img, int fd)
100: {
1.1.2.3 misho 101: register int i, j;
1.1.2.4 ! misho 102: u_char buf[IMGBUF_SIZE];
1.1.2.2 misho 103: ssize_t rlen, wlen;
104:
105: VERB(1) printf("Fill store %s from image file %s\n", imgName, imgFile);
106:
1.1.2.4 ! misho 107: for (j = 0, i = howmany(iSize, IMGBUF_SIZE); i < howmany(imgSize, IMGBUF_SIZE);
1.1.2.3 misho 108: i++, j++) {
1.1.2.2 misho 109: memset(buf, 0, sizeof buf);
110: rlen = read(fd, buf, sizeof buf);
111: if (rlen == -1) {
112: ESYSERR(0);
113: return -1;
114: } else if (!rlen)
115: break;
116: else
1.1.2.3 misho 117: VERB(1) printf("+Readed %d bytes for chunk #%d\n", rlen, j);
1.1.2.2 misho 118:
119: wlen = write(img, buf, rlen);
120: if (wlen == -1) {
121: ESYSERR(0);
122: return -1;
123: } else if (!wlen || wlen != rlen) {
124: EERROR(EIO, "Readed %d bytes are not equal to written %d bytes\n",
125: rlen, wlen);
126: } else
127: VERB(1) printf("+Written %d bytes at chunk #%d\n", wlen, i);
128: }
129:
130: return 0;
131: }
132:
1.1.2.1 misho 133: int
134: main(int argc, char **argv)
135: {
136: char ch;
1.1.2.3 misho 137: int fd, img, tr = 0;
1.1.2.1 misho 138:
1.1.2.3 misho 139: while ((ch = getopt(argc, argv, "hvts:f:")) != -1)
1.1.2.1 misho 140: switch (ch) {
141: case 'f':
142: strlcpy(imgName, optarg, sizeof imgName);
143: break;
144: case 's':
145: imgSize = strtoll(optarg, NULL, 0);
146: if (!imgSize) {
147: Usage();
148: return 1;
149: }
150: break;
1.1.2.3 misho 151: case 't':
152: tr = O_TRUNC;
153: break;
1.1.2.1 misho 154: case 'v':
155: Verbose++;
156: break;
157: case 'h':
158: default:
159: Usage();
160: return 1;
161: }
162: argc -= optind;
163: argv += optind;
1.1.2.4 ! misho 164:
! 165: if (argc) {
! 166: strlcpy(imgFile, *argv, sizeof imgFile);
! 167: /* open image file */
! 168: fd = open(imgFile, O_RDONLY);
! 169: if (fd == -1) {
! 170: ESYSERR(0);
! 171: return 2;
! 172: } else
! 173: iSize = lseek(fd, 0, SEEK_END);
! 174: if (!imgSize)
! 175: imgSize = E_ALIGN(iSize, IMGBUF_SIZE);
! 176: if (iSize == -1 || iSize > imgSize) {
! 177: close(fd);
! 178: EERROR(ENOSPC, "Error:: file size %llu is greater from storage size %llu\n",
! 179: iSize, imgSize);
! 180: return 2;
! 181: } else
! 182: lseek(fd, 0, SEEK_SET);
! 183: } else if (!imgSize) {
1.1.2.1 misho 184: Usage();
185: return 1;
186: } else
1.1.2.4 ! misho 187: fd = STDIN_FILENO;
1.1.2.1 misho 188:
1.1.2.4 ! misho 189: VERB(1) printf("imgSize=%llu imgName=%s imgFile=%s\n",
! 190: imgSize, imgName, argc ? imgFile : "<stdin>");
1.1.2.1 misho 191:
192: /* open storage device */
1.1.2.3 misho 193: img = open(imgName, O_RDWR | O_CREAT | tr, 0644);
1.1.2.1 misho 194: if (img == -1) {
195: ESYSERR(0);
1.1.2.4 ! misho 196: if (fd > 2)
! 197: close(fd);
1.1.2.1 misho 198: return 3;
199: }
1.1.2.3 misho 200: if (EmptyStore(img) == -1) {
1.1.2.4 ! misho 201: if (fd > 2)
! 202: close(fd);
1.1.2.1 misho 203: close(img);
204: unlink(imgName);
205: return 3;
1.1.2.3 misho 206: }
1.1.2.1 misho 207:
1.1.2.2 misho 208: if (FillStore(img, fd) == -1) {
1.1.2.4 ! misho 209: if (fd > 2)
! 210: close(fd);
1.1.2.2 misho 211: close(img);
212: unlink(imgName);
213: return 4;
214: }
215:
1.1.2.1 misho 216: close(img);
1.1.2.4 ! misho 217: if (fd > 2)
! 218: close(fd);
1.1.2.1 misho 219: return 0;
220: }
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