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-rw-r--r--usr.sbin/pkg_install/lib/version.c328
1 files changed, 0 insertions, 328 deletions
diff --git a/usr.sbin/pkg_install/lib/version.c b/usr.sbin/pkg_install/lib/version.c
deleted file mode 100644
index d9c4fe7..0000000
--- a/usr.sbin/pkg_install/lib/version.c
+++ /dev/null
@@ -1,328 +0,0 @@
-/*
- * FreeBSD install - a package for the installation and maintenance
- * of non-core utilities.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * Maxim Sobolev
- * 31 July 2001
- *
- */
-
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
-
-#include "lib.h"
-#include <err.h>
-
-/*
- * Routines to assist with PLIST_FMT_VER numbers in the packing
- * lists.
- *
- * Following is the PLIST_FMT_VER history:
- * 1.0 - Initial revision;
- * 1.1 - When recording/checking checksum of symlink use hash of readlink()
- * value instead of the hash of an object this links points to.
- *
- */
-int
-verscmp(Package *pkg, int major, int minor)
-{
- int rval = 0;
-
- if ((pkg->fmtver_maj < major) || (pkg->fmtver_maj == major &&
- pkg->fmtver_mnr < minor))
- rval = -1;
- else if ((pkg->fmtver_maj > major) || (pkg->fmtver_maj == major &&
- pkg->fmtver_mnr > minor))
- rval = 1;
-
- return rval;
-}
-
-/*
- * split_version(pkgname, endname, epoch, revision) returns a pointer to
- * the version portion of a package name and the two special components.
- *
- * Syntax is: ${PORTNAME}-${PORTVERSION}[_${PORTREVISION}][,${PORTEPOCH}]
- *
- * Written by Oliver Eikemeier
- * Based on work of Jeremy D. Lea.
- */
-static const char *
-split_version(const char *pkgname, const char **endname, unsigned long *epoch, unsigned long *revision)
-{
- char *ch;
- const char *versionstr;
- const char *endversionstr;
-
- if (pkgname == NULL)
- errx(2, "%s: Passed NULL pkgname.", __func__);
-
- /* Look for the last '-' the the pkgname */
- ch = strrchr(pkgname, '-');
- /* Cheat if we are just passed a version, not a valid package name */
- versionstr = ch ? ch + 1 : pkgname;
-
- /* Look for the last '_' in the version string, advancing the end pointer */
- ch = strrchr(versionstr, '_');
- if (revision != NULL) {
- *revision = ch ? strtoul(ch + 1, NULL, 10) : 0;
- }
- endversionstr = ch;
-
- /* Look for the last ',' in the remaining version string */
- ch = strrchr(endversionstr ? endversionstr + 1 : versionstr, ',');
- if (epoch != NULL) {
- *epoch = ch ? strtoul(ch + 1, NULL, 10) : 0;
- }
- if (ch && !endversionstr)
- endversionstr = ch;
-
- /* set the pointer behind the last character of the version without revision or epoch */
- if (endname)
- *endname = endversionstr ? endversionstr : strrchr(versionstr, '\0');
-
- return versionstr;
-}
-
-/*
- * PORTVERSIONs are composed of components separated by dots. A component
- * consists of a version number, a letter and a patchlevel number. This does
- * not conform to the porter's handbook, but let us formulate rules that
- * fit the current practice and are far simpler than to make decisions
- * based on the order of netters and lumbers. Besides, people use versions
- * like 10b2 in the ports...
- */
-
-typedef struct {
-#ifdef __LONG_LONG_SUPPORTED
- long long n;
- long long pl;
-#else
- long n;
- long pl;
-#endif
- int a;
-} version_component;
-
-/*
- * get_component(position, component) gets the value of the next component
- * (number - letter - number triple) and returns a pointer to the next character
- * after any leading separators
- *
- * - components are separated by dots
- * - characters !~ [a-zA-Z0-9.+*] are treated as separators
- * (1.0:2003.09.16 = 1.0.2003.09.16), this may not be what you expect:
- * 1.0.1:2003.09.16 < 1.0:2003.09.16
- * - consecutive separators are collapsed (10..1 = 10.1)
- * - missing separators are inserted, essentially
- * letter number letter => letter number . letter (10a1b2 = 10a1.b2)
- * - missing components are assumed to be equal to 0 (10 = 10.0 = 10.0.0)
- * - the letter sort order is: [none], a, b, ..., z; numbers without letters
- * sort first (10 < 10a < 10b)
- * - missing version numbers (in components starting with a letter) sort as -1
- * (a < 0, 10.a < 10)
- * - a separator is inserted before the special strings "pl", "alpha", "beta",
- * "pre" and "rc".
- * - "pl" sorts before every other letter, "alpha", "beta", "pre" and "rc"
- * sort as a, b, p and r. (10alpha = 10.a < 10, but 10 < 10a; pl11 < alpha3
- * < 0.1beta2 = 0.1.b2 < 0.1)
- * - other strings use only the first letter for sorting, case is ignored
- * (1.d2 = 1.dev2 = 1.Development2)
- * - The special component `*' is guaranteed to be the smallest possible
- * component (2.* < 2pl1 < 2alpha3 < 2.9f7 < 3.*)
- * - components separated by `+' are handled by version_cmp below
- *
- * Oliver Eikemeier
- */
-
-static const struct {
- const char *name;
- size_t namelen;
- int value;
-} stage[] = {
- { "pl", 2, 0 },
- { "alpha", 5, 'a'-'a'+1 },
- { "beta", 4, 'b'-'a'+1 },
- { "pre", 3, 'p'-'a'+1 },
- { "rc", 2, 'r'-'a'+1 },
- { NULL, 0, -1 }
-};
-
-static const char *
-get_component(const char *position, version_component *component)
-{
- const char *pos = position;
- int hasstage = 0, haspatchlevel = 0;
-
- if (!pos)
- errx(2, "%s: Passed NULL position.", __func__);
-
- /* handle version number */
- if (isdigit(*pos)) {
- char *endptr;
-#ifdef __LONG_LONG_SUPPORTED
- component->n = strtoll(pos, &endptr, 10);
-#else
- component->n = strtol(pos, &endptr, 10);
-#endif
- /* should we test for errno == ERANGE? */
- pos = endptr;
- } else if (*pos == '*') {
- component->n = -2;
- do {
- pos++;
- } while(*pos && *pos != '+');
- } else {
- component->n = -1;
- hasstage = 1;
- }
-
- /* handle letter */
- if (isalpha(*pos)) {
- int c = tolower(*pos);
- haspatchlevel = 1;
- /* handle special suffixes */
- if (isalpha(pos[1])) {
- int i;
- for (i = 0; stage[i].name; i++) {
- if (strncasecmp(pos, stage[i].name, stage[i].namelen) == 0
- && !isalpha(pos[stage[i].namelen])) {
- if (hasstage) {
- /* stage to value */
- component->a = stage[i].value;
- pos += stage[i].namelen;
- } else {
- /* insert dot */
- component->a = 0;
- haspatchlevel = 0;
- }
- c = 0;
- break;
- }
- }
- }
- /* unhandled above */
- if (c) {
- /* use the first letter and skip following */
- component->a = c - 'a' + 1;
- do {
- ++pos;
- } while (isalpha(*pos));
- }
- } else {
- component->a = 0;
- haspatchlevel = 0;
- }
-
- if (haspatchlevel) {
- /* handle patch number */
- if (isdigit(*pos)) {
- char *endptr;
-#ifdef __LONG_LONG_SUPPORTED
- component->pl = strtoll(pos, &endptr, 10);
-#else
- component->pl = strtol(pos, &endptr, 10);
-#endif
- /* should we test for errno == ERANGE? */
- pos = endptr;
- } else {
- component->pl = -1;
- }
- } else {
- component->pl = 0;
- }
-
- /* skip trailing separators */
- while (*pos && !isdigit(*pos) && !isalpha(*pos) && *pos != '+' && *pos != '*') {
- pos++;
- }
-
- return pos;
-}
-
-/*
- * version_cmp(pkg1, pkg2) returns -1, 0 or 1 depending on if the version
- * components of pkg1 is less than, equal to or greater than pkg2. No
- * comparison of the basenames is done.
- *
- * The port version is defined by:
- * ${PORTVERSION}[_${PORTREVISION}][,${PORTEPOCH}]
- * ${PORTEPOCH} supersedes ${PORTVERSION} supersedes ${PORTREVISION}.
- * See the commit log for revision 1.349 of ports/Mk/bsd.port.mk
- * for more information.
- *
- * The epoch and revision are defined to be a single number, while the rest
- * of the version should conform to the porting guidelines. It can contain
- * multiple components, separated by a period, including letters.
- *
- * The tests allow for significantly more latitude in the version numbers
- * than is allowed in the guidelines. No point in enforcing them here.
- * That's what portlint is for.
- *
- * Jeremy D. Lea.
- * reimplemented by Oliver Eikemeier
- */
-int
-version_cmp(const char *pkg1, const char *pkg2)
-{
- const char *v1, *v2, *ve1, *ve2;
- unsigned long e1, e2, r1, r2;
- int result = 0;
-
- v1 = split_version(pkg1, &ve1, &e1, &r1);
- v2 = split_version(pkg2, &ve2, &e2, &r2);
-
- /* Check epoch, port version, and port revision, in that order. */
- if (e1 != e2) {
- result = (e1 < e2 ? -1 : 1);
- }
-
- /* Shortcut check for equality before invoking the parsing routines. */
- if (result == 0 && (ve1 - v1 != ve2 - v2 || strncasecmp(v1, v2, ve1 - v1) != 0)) {
- /* Loop over different components (the parts separated by dots).
- * If any component differs, we have the basis for an inequality. */
- while(result == 0 && (v1 < ve1 || v2 < ve2)) {
- int block_v1 = 0;
- int block_v2 = 0;
- version_component vc1 = {0, 0, 0};
- version_component vc2 = {0, 0, 0};
- if (v1 < ve1 && *v1 != '+') {
- v1 = get_component(v1, &vc1);
- } else {
- block_v1 = 1;
- }
- if (v2 < ve2 && *v2 != '+') {
- v2 = get_component(v2, &vc2);
- } else {
- block_v2 = 1;
- }
- if (block_v1 && block_v2) {
- if (v1 < ve1)
- v1++;
- if (v2 < ve2)
- v2++;
- } else if (vc1.n != vc2.n) {
- result = (vc1.n < vc2.n ? -1 : 1);
- } else if (vc1.a != vc2.a) {
- result = (vc1.a < vc2.a ? -1 : 1);
- } else if (vc1.pl != vc2.pl) {
- result = (vc1.pl < vc2.pl ? -1 : 1);
- }
- }
- }
-
- /* Compare FreeBSD revision numbers. */
- if (result == 0 && r1 != r2) {
- result = (r1 < r2 ? -1 : 1);
- }
- return result;
-}
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