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cc584d4560
In order to implement a proper versioning scheme, let's generate a version.h file that defines VERSION variable built from git workspace. The version format will be v<MAJOR>.<MINOR>-<COMMIT##>-<SHA1> Where: * MAJOR and MINOR are from the most recent tag * COMMIT## is the number of commits since last tag, to ensure incremental numbering * SHA1 is an abbreviated representation of the actual commit SHA. This requires building from a git workspace, with we are effectively calling 'git describe' during the build. We then define print_version() utility function to be used by all programs. Ensure that util.c depends on version.h and that we only update version.h timestamps when the version actually changes to avoid unnecessary rebuilds. Signed-off-by: Nicolas Dechesne <nicolas.dechesne@oss.qualcomm.com>
126 lines
3.2 KiB
C
126 lines
3.2 KiB
C
/*
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* Copyright (c) 2016, Bjorn Andersson <bjorn@kryo.se>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its contributors
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* may be used to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <ctype.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <libxml/parser.h>
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#include <libxml/tree.h>
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#include "version.h"
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#define MIN(x, y) ((x) < (y) ? (x) : (y))
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static uint8_t to_hex(uint8_t ch)
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{
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ch &= 0xf;
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return ch <= 9 ? '0' + ch : 'a' + ch - 10;
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}
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void print_version(void)
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{
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extern const char *__progname;
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fprintf(stdout, "%s version %s\n", __progname, VERSION);
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}
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void print_hex_dump(const char *prefix, const void *buf, size_t len)
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{
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const uint8_t *ptr = buf;
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size_t linelen;
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uint8_t ch;
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char line[16 * 3 + 16 + 1];
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int li;
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int i;
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int j;
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for (i = 0; i < len; i += 16) {
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linelen = MIN(16, len - i);
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li = 0;
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for (j = 0; j < linelen; j++) {
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ch = ptr[i + j];
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line[li++] = to_hex(ch >> 4);
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line[li++] = to_hex(ch);
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line[li++] = ' ';
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}
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for (; j < 16; j++) {
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line[li++] = ' ';
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line[li++] = ' ';
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line[li++] = ' ';
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}
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for (j = 0; j < linelen; j++) {
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ch = ptr[i + j];
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line[li++] = isprint(ch) ? ch : '.';
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}
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line[li] = '\0';
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printf("%s %04x: %s\n", prefix, i, line);
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}
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}
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unsigned attr_as_unsigned(xmlNode *node, const char *attr, int *errors)
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{
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unsigned int ret;
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xmlChar *value;
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value = xmlGetProp(node, (xmlChar*)attr);
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if (!value) {
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(*errors)++;
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return 0;
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}
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ret = (unsigned int) strtoul((char*)value, NULL, 0);
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xmlFree(value);
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return ret;
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}
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const char *attr_as_string(xmlNode *node, const char *attr, int *errors)
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{
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xmlChar *value;
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char *ret = NULL;
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value = xmlGetProp(node, (xmlChar*)attr);
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if (!value) {
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(*errors)++;
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return NULL;
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}
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if (value[0] != '\0')
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ret = strdup((char*)value);
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xmlFree(value);
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return ret;
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}
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