Use string version comparator code from FreeBSD.
This fixes all cases that previous code has with no changes... sorry pancake. --HG-- extra : convert_revision : 993d0aa060daf36d1b5ffa63725002dda122c091
This commit is contained in:
Juan RP
parent
fb998feacf
commit
fda3da1543
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@ -9,21 +9,13 @@
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int main(int argc, char **argv)
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{
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if (argc<3) {
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printf("Usage: xbps-cmpver [old] [new]\n");
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printf(" xbpks-cmpver foo-1.2 foo-2.2 # $? = 1\n");
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printf(" xbpks-cmpver foo-1.2 foo-1.2 # $? = 0\n");
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if (argc < 3) {
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printf("Usage: xbps-cmpver [installed] [required]\n");
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printf(" xbps-cmpver foo-1.2 foo-2.2 # $? = 1\n");
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printf(" xbps-cmpver foo-1.2 foo-1.1.0 # $? = 0\n");
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printf(" xbps-cmpver foo-1.2 foo-1.2 # $? = 0\n");
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return 1;
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}
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#if UNIT_TEST
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printf("1.2 2.2 = %d\n", chkver("1.2", "2.2"));
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printf("1.0 10.3 = %d\n", chkver("1.0", "10.3"));
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printf("1.0 1.0 = %d\n", chkver("1.0", "1.0"));
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printf("1.0 1.2 = %d\n", chkver("1.0", "1.2"));
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printf("1.0.1 1.0.2 = %d\n", chkver("1.0.1", "1.0.2"));
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printf("1.0beta 1.0rc1 = %d\n", chkver("1.0beta", "1.0rc1"));
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#endif
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return (xbps_cmpver_packages(argv[1], argv[2]) > 0)?1:0;
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return xbps_cmpver_packages(argv[1], argv[2]);
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}
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4
doc/TODO
4
doc/TODO
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@ -10,10 +10,6 @@ xbps-src:
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automatically add triggers, shared by src/bin pkgs. [IN PROGRESS]
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* Fix the "automatic-install" object in regpkgdb.plist.
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xbps-cmpver:
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* It fails in some cases: foo-2.0 vs foo-1.99 and foo-2a vs foo-2b.
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Another case that fails: 1.7.0 vs 1.6.[56789].
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Packages:
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* fix mpfr hardcoded rpath for gmp.
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337
lib/cmpver.c
337
lib/cmpver.c
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@ -1,66 +1,303 @@
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/*
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* Compare package and version strings
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* @ 2008
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* Author: pancake <youterm.com>
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/*
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* FreeBSD install - a package for the installation and maintenance
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* of non-core utilities.
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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
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* Maxim Sobolev
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* 31 July 2001
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*
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <ctype.h>
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#include <xbps_api.h>
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static int chkchr(const char *ch)
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/*
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* split_version(pkgname, endname, epoch, revision) returns a pointer to
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* the version portion of a package name and the two special components.
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*
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* Syntax is: ${PORTNAME}-${PORTVERSION}[_${PORTREVISION}][,${PORTEPOCH}]
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*
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* Written by Oliver Eikemeier
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* Based on work of Jeremy D. Lea.
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*/
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static const char *
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split_version(const char *pkgname, const char **endname, unsigned long *epoch,
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unsigned long *revision)
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{
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if (*ch>='0' && *ch<='9')
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return *ch-'0';
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if (ch[1]=='\0') {
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if (*ch>='a'&&*ch<='z'){
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return *ch-'a';
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}
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}
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switch(*ch) {
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case 'a': if (ch[1]=='l')
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return 0xa;
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return -1;
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case 'b': return 0xb;
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case 'r': return 0xc;
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}
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return -1;
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char *ch;
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const char *versionstr;
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const char *endversionstr;
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assert(pkgname != NULL);
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/* Look for the last '-' the the pkgname */
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ch = strrchr(pkgname, '-');
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/* Cheat if we are just passed a version, not a valid package name */
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versionstr = ch ? ch + 1 : pkgname;
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/* Look for the last '_' in the version string, advancing the end pointer */
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ch = strrchr(versionstr, '_');
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if (revision != NULL) {
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*revision = ch ? strtoul(ch + 1, NULL, 10) : 0;
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}
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endversionstr = ch;
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/* Look for the last ',' in the remaining version string */
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ch = strrchr(endversionstr ? endversionstr + 1 : versionstr, ',');
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if (epoch != NULL) {
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*epoch = ch ? strtoul(ch + 1, NULL, 10) : 0;
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}
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if (ch && !endversionstr)
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endversionstr = ch;
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/*
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* set the pointer behind the last character of the version without
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* revision or epoch
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*/
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if (endname)
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*endname = endversionstr ? endversionstr : strrchr(versionstr, '\0');
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return versionstr;
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}
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static int ver2int(const char *a0, int *pow, int mpow)
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/*
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* PORTVERSIONs are composed of components separated by dots. A component
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* consists of a version number, a letter and a patchlevel number. This does
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* not conform to the porter's handbook, but let us formulate rules that
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* fit the current practice and are far simpler than to make decisions
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* based on the order of netters and lumbers. Besides, people use versions
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* like 10b2 in the ports...
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*/
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typedef struct {
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long n;
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long pl;
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int a;
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} version_component;
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/*
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* get_component(position, component) gets the value of the next component
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* (number - letter - number triple) and returns a pointer to the next character
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* after any leading separators
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*
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* - components are separated by dots
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* - characters !~ [a-zA-Z0-9.+*] are treated as separators
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* (1.0:2003.09.16 = 1.0.2003.09.16), this may not be what you expect:
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* 1.0.1:2003.09.16 < 1.0:2003.09.16
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* - consecutive separators are collapsed (10..1 = 10.1)
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* - missing separators are inserted, essentially
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* letter number letter => letter number . letter (10a1b2 = 10a1.b2)
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* - missing components are assumed to be equal to 0 (10 = 10.0 = 10.0.0)
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* - the letter sort order is: [none], a, b, ..., z; numbers without letters
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* sort first (10 < 10a < 10b)
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* - missing version numbers (in components starting with a letter) sort as -1
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* (a < 0, 10.a < 10)
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* - a separator is inserted before the special strings "pl", "alpha", "beta",
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* "pre" and "rc".
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* - "pl" sorts before every other letter, "alpha", "beta", "pre" and "rc"
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* sort as a, b, p and r. (10alpha = 10.a < 10, but 10 < 10a; pl11 < alpha3
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* < 0.1beta2 = 0.1.b2 < 0.1)
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* - other strings use only the first letter for sorting, case is ignored
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* (1.d2 = 1.dev2 = 1.Development2)
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* - The special component `*' is guaranteed to be the smallest possible
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* component (2.* < 2pl1 < 2alpha3 < 2.9f7 < 3.*)
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* - components separated by `+' are handled by version_cmp below
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*
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* Oliver Eikemeier
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*/
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static const struct {
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const char *name;
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size_t namelen;
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int value;
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} stage[] = {
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{ "pl", 2, 0 },
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{ "alpha", 5, 'a'-'a'+1 },
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{ "beta", 4, 'b'-'a'+1 },
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{ "pre", 3, 'p'-'a'+1 },
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{ "rc", 2, 'r'-'a'+1 },
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{ NULL, 0, -1 }
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};
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static const char *
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get_component(const char *position, version_component *component)
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{
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int r,ret = 0;
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int pos = 0;
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const char *a = a0+strlen(a0)-1;
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for(*pow=0;a>=a0;a=a-1) {
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if (*a=='.') {
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*pow=*pow+1;
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} else {
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r = chkchr(a);
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if (r != -1)
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ret+=((r+1)*((*pow)+1))<<pos++;
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const char *pos = position;
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int hasstage = 0, haspatchlevel = 0;
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assert(pos != NULL);
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/* handle version number */
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if (isdigit((unsigned char)*pos)) {
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char *endptr;
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component->n = strtol(pos, &endptr, 10);
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/* should we test for errno == ERANGE? */
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pos = endptr;
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} else if (*pos == '*') {
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component->n = -2;
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do {
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pos++;
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} while(*pos && *pos != '+');
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} else {
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component->n = -1;
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hasstage = 1;
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}
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/* handle letter */
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if (isalpha((unsigned char)*pos)) {
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int c = tolower((unsigned char)*pos);
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haspatchlevel = 1;
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/* handle special suffixes */
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if (isalpha((unsigned char)pos[1])) {
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int i;
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for (i = 0; stage[i].name; i++) {
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if (strncasecmp(pos, stage[i].name, stage[i].namelen) == 0
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&& !isalpha((unsigned char)pos[stage[i].namelen])) {
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if (hasstage) {
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/* stage to value */
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component->a = stage[i].value;
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pos += stage[i].namelen;
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} else {
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/* insert dot */
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component->a = 0;
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haspatchlevel = 0;
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}
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c = 0;
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break;
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}
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if (mpow>0 && *pow > mpow)
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break;
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}
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}
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return ret;
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/* unhandled above */
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if (c) {
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/* use the first letter and skip following */
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component->a = c - 'a' + 1;
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do {
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++pos;
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} while (isalpha((unsigned char)*pos));
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}
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} else {
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component->a = 0;
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haspatchlevel = 0;
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}
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if (haspatchlevel) {
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/* handle patch number */
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if (isdigit((unsigned char)*pos)) {
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char *endptr;
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component->pl = strtol(pos, &endptr, 10);
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/* should we test for errno == ERANGE? */
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pos = endptr;
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} else {
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component->pl = -1;
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}
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} else {
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component->pl = 0;
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}
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/* skip trailing separators */
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while (*pos && !isdigit((unsigned char)*pos) &&
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!isalpha((unsigned char)*pos) &&
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*pos != '+' && *pos != '*') {
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pos++;
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}
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return pos;
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}
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/*
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* version_cmp(pkg1, pkg2) returns -1, 0 or 1 depending on if the version
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* components of pkg1 is less than, equal to or greater than pkg2. No
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* comparison of the basenames is done.
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*
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* The port version is defined by:
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* ${PORTVERSION}[_${PORTREVISION}][,${PORTEPOCH}]
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* ${PORTEPOCH} supersedes ${PORTVERSION} supersedes ${PORTREVISION}.
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* See the commit log for revision 1.349 of ports/Mk/bsd.port.mk
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* for more information.
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*
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* The epoch and revision are defined to be a single number, while the rest
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* of the version should conform to the porting guidelines. It can contain
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* multiple components, separated by a period, including letters.
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*
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* The tests allow for significantly more latitude in the version numbers
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* than is allowed in the guidelines. No point in enforcing them here.
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* That's what portlint is for.
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*
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* Jeremy D. Lea.
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* reimplemented by Oliver Eikemeier
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*/
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int
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xbps_cmpver_packages(const char *pkg1, const char *pkg2)
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{
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const char *v1, *v2, *ve1, *ve2;
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unsigned long e1, e2, r1, r2;
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int result = 0;
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v1 = split_version(pkg1, &ve1, &e1, &r1);
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v2 = split_version(pkg2, &ve2, &e2, &r2);
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/* Check epoch, port version, and port revision, in that order. */
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if (e1 != e2) {
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result = (e1 < e2 ? -1 : 1);
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}
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/* Shortcut check for equality before invoking the parsing routines. */
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if (result == 0 && (ve1 - v1 != ve2 - v2 || strncasecmp(v1, v2, ve1 - v1) != 0)) {
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/* Loop over different components (the parts separated by dots).
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* If any component differs, we have the basis for an inequality. */
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while(result == 0 && (v1 < ve1 || v2 < ve2)) {
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int block_v1 = 0;
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int block_v2 = 0;
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version_component vc1 = {0, 0, 0};
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version_component vc2 = {0, 0, 0};
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if (v1 < ve1 && *v1 != '+') {
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v1 = get_component(v1, &vc1);
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} else {
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block_v1 = 1;
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}
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if (v2 < ve2 && *v2 != '+') {
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v2 = get_component(v2, &vc2);
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} else {
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block_v2 = 1;
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}
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if (block_v1 && block_v2) {
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if (v1 < ve1)
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v1++;
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if (v2 < ve2)
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v2++;
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} else if (vc1.n != vc2.n) {
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result = (vc1.n < vc2.n ? -1 : 1);
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} else if (vc1.a != vc2.a) {
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result = (vc1.a < vc2.a ? -1 : 1);
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} else if (vc1.pl != vc2.pl) {
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result = (vc1.pl < vc2.pl ? -1 : 1);
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}
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}
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}
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/* Compare FreeBSD revision numbers. */
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if (result == 0 && r1 != r2) {
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result = (r1 < r2 ? -1 : 1);
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}
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return result == -1 ? 1 : 0;
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}
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int
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xbps_cmpver_versions(const char *a0, const char *a1)
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xbps_cmpver_versions(const char *inst, const char *req)
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{
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int p0,p1;
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int v0 = ver2int(a0, &p0, 0);
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int v1 = ver2int(a1, &p1, p0);
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return v1-v0;
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}
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int
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xbps_cmpver_packages(const char *a0, const char *b0)
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{
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char *a = strrchr(a0, '-');
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char *b = strrchr(b0, '-');
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assert(a != NULL || b != NULL);
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return xbps_cmpver_versions(a+1, b+1);
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int res = xbps_cmpver_packages(inst, req);
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return res == -1 ? 1 : 0;
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}
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@ -48,7 +48,7 @@ xbps_check_is_installed_pkg(const char *pkg)
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plist = xbps_append_full_path(true, NULL, XBPS_REGPKGDB);
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if (plist == NULL)
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return EINVAL;
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return -1;
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pkgname = xbps_get_pkg_name(pkg);
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reqver = xbps_get_pkg_version(pkg);
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@ -77,7 +77,7 @@ xbps_check_is_installed_pkg(const char *pkg)
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assert(instver != NULL);
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/* Compare installed and required version. */
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rv = xbps_cmpver_versions(instver, reqver) > 0 ? 1 : 0;
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rv = xbps_cmpver_versions(instver, reqver);
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free(pkgname);
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free(plist);
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