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https://github.com/moparisthebest/pacman
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Remove unused strverscmp substitute
Our internal vercmp function was the only user of this, and it no longer relies on it. Signed-off-by: Dan McGee <dan@archlinux.org>
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@ -170,7 +170,7 @@ AC_FUNC_LSTAT_FOLLOWS_SLASHED_SYMLINK
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AC_FUNC_MKTIME
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AC_TYPE_SIGNAL
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AC_CHECK_FUNCS([geteuid realpath regcomp strcasecmp \
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strndup strrchr strsep strverscmp swprintf \
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strndup strrchr strsep swprintf \
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wcwidth uname])
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# Enable large file support if available
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@ -48,108 +48,6 @@
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#include "alpm_list.h"
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#include "md5.h"
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#ifndef HAVE_STRVERSCMP
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/* GNU's strverscmp() function, taken from glibc 2.3.2 sources
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*/
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/* Compare strings while treating digits characters numerically.
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Copyright (C) 1997, 2002 Free Software Foundation, Inc.
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Contributed by Jean-François Bignolles <bignolle@ecoledoc.ibp.fr>, 1997.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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*/
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/* states: S_N: normal, S_I: comparing integral part, S_F: comparing
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fractionnal parts, S_Z: idem but with leading Zeroes only */
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#define S_N 0x0
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#define S_I 0x4
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#define S_F 0x8
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#define S_Z 0xC
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/* result_type: CMP: return diff; LEN: compare using len_diff/diff */
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#define CMP 2
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#define LEN 3
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/* Compare S1 and S2 as strings holding indices/version numbers,
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returning less than, equal to or greater than zero if S1 is less than,
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equal to or greater than S2 (for more info, see the texinfo doc).
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*/
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int strverscmp (s1, s2)
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const char *s1;
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const char *s2;
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{
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const unsigned char *p1 = (const unsigned char *) s1;
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const unsigned char *p2 = (const unsigned char *) s2;
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unsigned char c1, c2;
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int state;
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int diff;
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/* Symbol(s) 0 [1-9] others (padding)
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Transition (10) 0 (01) d (00) x (11) - */
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static const unsigned int next_state[] =
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{
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/* state x d 0 - */
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/* S_N */ S_N, S_I, S_Z, S_N,
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/* S_I */ S_N, S_I, S_I, S_I,
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/* S_F */ S_N, S_F, S_F, S_F,
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/* S_Z */ S_N, S_F, S_Z, S_Z
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};
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static const int result_type[] =
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{
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/* state x/x x/d x/0 x/- d/x d/d d/0 d/-
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0/x 0/d 0/0 0/- -/x -/d -/0 -/- */
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/* S_N */ CMP, CMP, CMP, CMP, CMP, LEN, CMP, CMP,
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CMP, CMP, CMP, CMP, CMP, CMP, CMP, CMP,
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/* S_I */ CMP, -1, -1, CMP, +1, LEN, LEN, CMP,
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+1, LEN, LEN, CMP, CMP, CMP, CMP, CMP,
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/* S_F */ CMP, CMP, CMP, CMP, CMP, LEN, CMP, CMP,
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CMP, CMP, CMP, CMP, CMP, CMP, CMP, CMP,
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/* S_Z */ CMP, +1, +1, CMP, -1, CMP, CMP, CMP,
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-1, CMP, CMP, CMP
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};
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if (p1 == p2)
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return 0;
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c1 = *p1++;
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c2 = *p2++;
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/* Hint: '0' is a digit too. */
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state = S_N | ((c1 == '0') + (isdigit (c1) != 0));
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while ((diff = c1 - c2) == 0 && c1 != '\0')
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{
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state = next_state[state];
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c1 = *p1++;
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c2 = *p2++;
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state |= (c1 == '0') + (isdigit (c1) != 0);
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}
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state = result_type[state << 2 | (((c2 == '0') + (isdigit (c2) != 0)))];
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switch (state)
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{
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case CMP:
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return diff;
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case LEN:
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while (isdigit (*p1++))
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if (!isdigit (*p2++))
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return 1;
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return isdigit (*p2) ? -1 : diff;
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default:
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return state;
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}
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}
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#endif
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#ifndef HAVE_STRSEP
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/* This is a replacement for strsep which is not portable (missing on Solaris).
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* Copyright (c) 2001 by François Gouget <fgouget_at_codeweavers.com> */
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@ -73,9 +73,6 @@ int _alpm_lstat(const char *path, struct stat *buf);
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int _alpm_test_md5sum(const char *filepath, const char *md5sum);
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char *_alpm_archive_fgets(char *line, size_t size, struct archive *a);
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#ifndef HAVE_STRVERSCMP
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int strverscmp(const char *, const char *);
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#endif
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#ifndef HAVE_STRSEP
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char *strsep(char **, const char *);
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#endif
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