X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Freadutmp.c;h=38453eb447e105a3583f237154aab0c8fdae49d3;hb=69c1421980ea9c5e26f51079b467be67886bcead;hp=88aed38d417ec62af84ffae48770180044b508b5;hpb=57fdfd3f8ec62b105c53bcdf6f127c35c7fe7391;p=gnulib.git diff --git a/lib/readutmp.c b/lib/readutmp.c index 88aed38d4..38453eb44 100644 --- a/lib/readutmp.c +++ b/lib/readutmp.c @@ -1,7 +1,6 @@ /* GNU's read utmp module. - Copyright (C) 1992-2001, 2003, 2004, 2005, 2006 Free Software - Foundation, Inc. + Copyright (C) 1992-2001, 2003-2006, 2009-2011 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -31,6 +30,7 @@ #include #include #include +#include #include "xalloc.h" @@ -38,10 +38,6 @@ # include "unlocked-io.h" #endif -#ifndef SIZE_MAX -# define SIZE_MAX ((size_t) -1) -#endif - /* Copy UT->ut_name into storage obtained from malloc. Then remove any trailing spaces from the copy, NUL terminate it, and return the copy. */ @@ -74,7 +70,7 @@ desirable_utmp_entry (STRUCT_UTMP const *u, int options) if ((options & READ_UTMP_CHECK_PIDS) && user_proc && (UT_PID (u) <= 0 - || (kill (UT_PID (u), 0) < 0 && errno == ESRCH))) + || (kill (UT_PID (u), 0) < 0 && errno == ESRCH))) return false; return true; } @@ -90,7 +86,7 @@ desirable_utmp_entry (STRUCT_UTMP const *u, int options) int read_utmp (char const *file, size_t *n_entries, STRUCT_UTMP **utmp_buf, - int options) + int options) { size_t n_read = 0; size_t n_alloc = 0; @@ -108,10 +104,10 @@ read_utmp (char const *file, size_t *n_entries, STRUCT_UTMP **utmp_buf, while ((u = GET_UTMP_ENT ()) != NULL) if (desirable_utmp_entry (u, options)) { - if (n_read == n_alloc) - utmp = x2nrealloc (utmp, &n_alloc, sizeof *utmp); + if (n_read == n_alloc) + utmp = x2nrealloc (utmp, &n_alloc, sizeof *utmp); - utmp[n_read++] = *u; + utmp[n_read++] = *u; } END_UTMP_ENT (); @@ -126,7 +122,7 @@ read_utmp (char const *file, size_t *n_entries, STRUCT_UTMP **utmp_buf, int read_utmp (char const *file, size_t *n_entries, STRUCT_UTMP **utmp_buf, - int options) + int options) { size_t n_read = 0; size_t n_alloc = 0; @@ -140,9 +136,9 @@ read_utmp (char const *file, size_t *n_entries, STRUCT_UTMP **utmp_buf, for (;;) { if (n_read == n_alloc) - utmp = x2nrealloc (utmp, &n_alloc, sizeof *utmp); + utmp = x2nrealloc (utmp, &n_alloc, sizeof *utmp); if (fread (&utmp[n_read], sizeof utmp[n_read], 1, f) == 0) - break; + break; n_read += desirable_utmp_entry (&utmp[n_read], options); }