diff options
Diffstat (limited to 'local')
| -rw-r--r-- | local/Makefile.am | 10 | ||||
| -rw-r--r-- | local/Makefile.in | 553 | ||||
| -rw-r--r-- | local/c.h | 162 | ||||
| -rw-r--r-- | local/fileutils.c | 45 | ||||
| -rw-r--r-- | local/fileutils.h | 7 | ||||
| -rwxr-xr-x | local/git-version-gen | 181 | ||||
| -rw-r--r-- | local/nls.h | 114 | ||||
| -rw-r--r-- | local/procio.c | 292 | ||||
| -rw-r--r-- | local/procio.h | 6 | ||||
| -rw-r--r-- | local/rpmatch.h | 9 | ||||
| -rw-r--r-- | local/signals.c | 316 | ||||
| -rw-r--r-- | local/signals.h | 33 | ||||
| -rw-r--r-- | local/strutils.c | 123 | ||||
| -rw-r--r-- | local/strutils.h | 12 | ||||
| -rw-r--r-- | local/strverscmp.c | 158 | ||||
| -rw-r--r-- | local/tests.h | 29 | ||||
| -rw-r--r-- | local/xalloc.h | 60 |
17 files changed, 2110 insertions, 0 deletions
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\ + fi +mostlyclean-generic: + +clean-generic: + +distclean-generic: + -test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES) + -test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES) + +maintainer-clean-generic: + @echo "This command is intended for maintainers to use" + @echo "it deletes files that may require special tools to rebuild." +clean: clean-am + +clean-am: clean-generic clean-libtool mostlyclean-am + +distclean: distclean-am + -rm -f Makefile +distclean-am: clean-am distclean-generic distclean-tags + +dvi: dvi-am + +dvi-am: + +html: html-am + +html-am: + +info: info-am + +info-am: + +install-data-am: + +install-dvi: install-dvi-am + +install-dvi-am: + +install-exec-am: + +install-html: install-html-am + +install-html-am: + +install-info: install-info-am + +install-info-am: + +install-man: + +install-pdf: install-pdf-am + +install-pdf-am: + +install-ps: install-ps-am + +install-ps-am: + +installcheck-am: + +maintainer-clean: maintainer-clean-am + -rm -f Makefile +maintainer-clean-am: distclean-am maintainer-clean-generic + +mostlyclean: mostlyclean-am + +mostlyclean-am: mostlyclean-generic mostlyclean-libtool + +pdf: pdf-am + +pdf-am: + +ps: ps-am + +ps-am: + +uninstall-am: + +.MAKE: install-am install-strip + +.PHONY: CTAGS GTAGS TAGS all all-am check check-am clean clean-generic \ + clean-libtool cscopelist-am ctags ctags-am distclean \ + distclean-generic distclean-libtool distclean-tags distdir dvi \ + dvi-am html html-am info info-am install install-am \ + install-data install-data-am install-dvi install-dvi-am \ + install-exec install-exec-am install-html install-html-am \ + install-info install-info-am install-man install-pdf \ + install-pdf-am install-ps install-ps-am install-strip \ + installcheck installcheck-am installdirs maintainer-clean \ + maintainer-clean-generic mostlyclean mostlyclean-generic \ + mostlyclean-libtool pdf pdf-am ps ps-am tags tags-am uninstall \ + uninstall-am + +.PRECIOUS: Makefile + + +# Tell versions [3.59,3.63) of GNU make to not export all variables. +# Otherwise a system limit (for SysV at least) may be exceeded. +.NOEXPORT: diff --git a/local/c.h b/local/c.h new file mode 100644 index 0000000..2471209 --- /dev/null +++ b/local/c.h @@ -0,0 +1,162 @@ +/* + * This header was copied from util-linux at fall 2011. + */ + +/* + * Fundamental C definitions. + */ + +#ifndef PROCPS_NG_C_H +#define PROCPS_NG_C_H + +#include <limits.h> +#include <stdint.h> +#include <stdio.h> +#include <stdarg.h> +#include <stdlib.h> +#include <string.h> +#include <errno.h> +#ifdef HAVE_ERROR_H +#include <error.h> +#else +#include <stdarg.h> +#endif + +/* + * Compiler specific stuff + */ +#ifndef __GNUC_PREREQ +# if defined __GNUC__ && defined __GNUC_MINOR__ +# define __GNUC_PREREQ(maj, min) \ + ((__GNUC__ << 16) + __GNUC_MINOR__ >= ((maj) << 16) + (min)) +# else +# define __GNUC_PREREQ(maj, min) 0 +# endif +#endif + +/* + * Function attributes + */ +#ifndef __ul_alloc_size +# if __GNUC_PREREQ (4, 3) +# define __ul_alloc_size(s) __attribute__((alloc_size(s))) +# else +# define __ul_alloc_size(s) +# endif +#endif + +#ifndef __ul_calloc_size +# if __GNUC_PREREQ (4, 3) +# define __ul_calloc_size(n, s) __attribute__((alloc_size(n, s))) +# else +# define __ul_calloc_size(n, s) +# endif +#endif + +/* + * Misc + */ +#ifndef PATH_MAX +# define PATH_MAX 4096 +#endif + +#ifndef TRUE +# define TRUE 1 +#endif + +#ifndef FALSE +# define FALSE 0 +#endif + +/* + * Program name. + */ +#ifndef HAVE_PROGRAM_INVOCATION_SHORT_NAME +# ifdef HAVE___PROGNAME +extern char *__progname; +# define program_invocation_short_name __progname +# else +# ifdef HAVE_GETEXECNAME +# define program_invocation_short_name \ + prog_inv_sh_nm_from_file(getexecname(), 0) +# else +# define program_invocation_short_name \ + prog_inv_sh_nm_from_file(__FILE__, 1) +# endif +static char prog_inv_sh_nm_buf[256]; +static inline char *prog_inv_sh_nm_from_file(char *f, char stripext) +{ + char *t; + + if ((t = strrchr(f, '/')) != NULL) + t++; + else + t = f; + + strncpy(prog_inv_sh_nm_buf, t, sizeof(prog_inv_sh_nm_buf) - 1); + prog_inv_sh_nm_buf[sizeof(prog_inv_sh_nm_buf) - 1] = '\0'; + + if (stripext && (t = strrchr(prog_inv_sh_nm_buf, '.')) != NULL) + *t = '\0'; + + return prog_inv_sh_nm_buf; +} +# endif +#endif + +/* + * Error printing. + */ +#ifndef HAVE_ERROR_H +/* Emulate the error() function from glibc */ +__attribute__((__format__(__printf__, 3, 4))) +static void error(int status, int errnum, const char *format, ...) +{ + va_list argp; + fprintf(stderr, "%s: ", program_invocation_short_name); + va_start(argp, format); + vfprintf(stderr, format, argp); + va_end(argp); + if (errnum != 0) + fprintf(stderr, ": %s", strerror(errnum)); + fprintf(stderr, "\n"); + if (status != 0) + exit(status); +} + +/* Emulate the error_at_line() function from glibc */ +__attribute__((__format__(__printf__, 5, 6))) +static void error_at_line(int status, int errnum, const char *filename, + unsigned int linenum, const char *format, ...) +{ + va_list argp; + fprintf(stderr, "%s:%s:%u: ", program_invocation_short_name, + filename, linenum); + va_start(argp, format); + vfprintf(stderr, format, argp); + va_end(argp); + if (errnum != 0) + fprintf(stderr, ": error code %d", errnum); + fprintf(stderr, "\n"); + if (status != 0) + exit(status); +} +#endif +#define xwarn(...) error(0, errno, __VA_ARGS__) +#define xwarnx(...) error(0, 0, __VA_ARGS__) +#define xerr(STATUS, ...) error(STATUS, errno, __VA_ARGS__) +#define xerrx(STATUS, ...) error(STATUS, 0, __VA_ARGS__) + +/* + * Constant strings for usage() functions. + */ +#define USAGE_HEADER _("\nUsage:\n") +#define USAGE_OPTIONS _("\nOptions:\n") +#define USAGE_SEPARATOR _("\n") +#define USAGE_HELP _(" -h, --help display this help and exit\n") +#define USAGE_VERSION _(" -V, --version output version information and exit\n") +#define USAGE_MAN_TAIL(_man) _("\nFor more details see %s.\n"), _man + +#define PROCPS_NG_VERSION _("%s from %s\n"), program_invocation_short_name, PACKAGE_STRING + +#endif /* PROCPS_NG_C_H */ diff --git a/local/fileutils.c b/local/fileutils.c new file mode 100644 index 0000000..14c7452 --- /dev/null +++ b/local/fileutils.c @@ -0,0 +1,45 @@ +#include <errno.h> +#ifdef HAVE_ERROR_H +# include <error.h> +#endif +#ifdef HAVE_STDIO_EXT_H +# include <stdio_ext.h> +#else +/* FIXME: use a more portable definition of __fpending() (from gnulib?) */ +# include <stdio.h> +# define __fpending(fp) ((fp)->_p - (fp)->_bf._base) +#endif +#include <stdlib.h> +#include <unistd.h> + +#include "nls.h" +#include "fileutils.h" +#ifndef HAVE_ERROR_H +# include "c.h" /* for error() emulation */ +#endif + +int close_stream(FILE * stream) +{ + const int some_pending = (__fpending(stream) != 0); + const int prev_fail = (ferror(stream) != 0); + const int fclose_fail = (fclose(stream) != 0); + if (prev_fail || (fclose_fail && (some_pending || errno != EBADF))) { + if (!fclose_fail && errno != EPIPE) + errno = 0; + return EOF; + } + return 0; +} + +/* Use atexit(); */ +void close_stdout(void) +{ + if (close_stream(stdout) != 0 && !(errno == EPIPE)) { + char const *write_error = _("write error"); + error(0, errno, "%s", write_error); + _exit(EXIT_FAILURE); + } + + if (close_stream(stderr) != 0) + _exit(EXIT_FAILURE); +} diff --git a/local/fileutils.h b/local/fileutils.h new file mode 100644 index 0000000..cfab570 --- /dev/null +++ b/local/fileutils.h @@ -0,0 +1,7 @@ +#ifndef PROCPS_NG_FILEUTILS +#define PROCPS_NG_FILEUTILS + +int close_stream(FILE * stream); +void close_stdout(void); + +#endif diff --git a/local/git-version-gen b/local/git-version-gen new file mode 100755 index 0000000..171767f --- /dev/null +++ b/local/git-version-gen @@ -0,0 +1,181 @@ +#!/bin/sh +# Print a version string. +scriptversion=2011-02-19.19; # UTC + +# Copyright (C) 2007-2011 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 +# the Free Software Foundation; either version 3 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. + +# This script is derived from GIT-VERSION-GEN from GIT: http://git.or.cz/. +# It may be run two ways: +# - from a git repository in which the "git describe" command below +# produces useful output (thus requiring at least one signed tag) +# - from a non-git-repo directory containing a .tarball-version file, which +# presumes this script is invoked like "./git-version-gen .tarball-version". + +# In order to use intra-version strings in your project, you will need two +# separate generated version string files: +# +# .tarball-version - present only in a distribution tarball, and not in +# a checked-out repository. Created with contents that were learned at +# the last time autoconf was run, and used by git-version-gen. Must not +# be present in either $(srcdir) or $(builddir) for git-version-gen to +# give accurate answers during normal development with a checked out tree, +# but must be present in a tarball when there is no version control system. +# Therefore, it cannot be used in any dependencies. GNUmakefile has +# hooks to force a reconfigure at distribution time to get the value +# correct, without penalizing normal development with extra reconfigures. +# +# .version - present in a checked-out repository and in a distribution +# tarball. Usable in dependencies, particularly for files that don't +# want to depend on config.h but do want to track version changes. +# Delete this file prior to any autoconf run where you want to rebuild +# files to pick up a version string change; and leave it stale to +# minimize rebuild time after unrelated changes to configure sources. +# +# It is probably wise to add these two files to .gitignore, so that you +# don't accidentally commit either generated file. +# +# Use the following line in your configure.ac, so that $(VERSION) will +# automatically be up-to-date each time configure is run (and note that +# since configure.ac no longer includes a version string, Makefile rules +# should not depend on configure.ac for version updates). +# +# AC_INIT([GNU project], +# m4_esyscmd([build-aux/git-version-gen .tarball-version]), +# [bug-project@example]) +# +# Then use the following lines in your Makefile.am, so that .version +# will be present for dependencies, and so that .tarball-version will +# exist in distribution tarballs. +# +# BUILT_SOURCES = $(top_srcdir)/.version +# $(top_srcdir)/.version: +# echo $(VERSION) > $@-t && mv $@-t $@ +# dist-hook: +# echo $(VERSION) > $(distdir)/.tarball-version + +case $# in + 1|2) ;; + *) echo 1>&2 "Usage: $0 \$srcdir/.tarball-version" \ + '[TAG-NORMALIZATION-SED-SCRIPT]' + exit 1;; +esac + +tarball_version_file=$1 +tag_sed_script="${2:-s/x/x/}" +nl=' +' + +# Avoid meddling by environment variable of the same name. +v= +v_from_git= + +# First see if there is a tarball-only version file. +# then try "git describe", then default. +if test -f $tarball_version_file +then + v=`cat $tarball_version_file` || v= + case $v in + *$nl*) v= ;; # reject multi-line output + [0-9]*) ;; + *) v= ;; + esac + test -z "$v" \ + && echo "$0: WARNING: $tarball_version_file is missing or damaged" 1>&2 +fi + +if test -n "$v" +then + : # use $v +# Otherwise, if there is at least one git commit involving the working +# directory, and "git describe" output looks sensible, use that to +# derive a version string. +elif test "`git log -1 --pretty=format:x . 2>&1`" = x \ + && v=`git describe --abbrev=4 --match='v*' HEAD 2>/dev/null \ + || git describe --abbrev=4 HEAD 2>/dev/null` \ + && v=`printf '%s\n' "$v" | sed "$tag_sed_script"` \ + && case $v in + v[0-9]*) ;; + *) (exit 1) ;; + esac +then + # Is this a new git that lists number of commits since the last + # tag or the previous older version that did not? + # Newer: v6.10-77-g0f8faeb + # Older: v6.10-g0f8faeb + case $v in + *-rc[0-9]) ;; # release candidate + *-*-*) : git describe is okay three part flavor ;; + *-*) + : git describe is older two part flavor + # Recreate the number of commits and rewrite such that the + # result is the same as if we were using the newer version + # of git describe. + vtag=`echo "$v" | sed 's/-.*//'` + commit_list=`git rev-list "$vtag"..HEAD 2>/dev/null` \ + || { commit_list=failed; + echo "$0: WARNING: git rev-list failed" 1>&2; } + numcommits=`echo "$commit_list" | wc -l` + v=`echo "$v" | sed "s/\(.*\)-\(.*\)/\1-$numcommits-\2/"`; + test "$commit_list" = failed && v=UNKNOWN + ;; + esac + + case $v in + *-rc[0-9]) + # Remove the "g" in git describe's output string, to save a byte. + v=`echo "$v" | sed 's/\(.*\)-g/\1-/'`; + ;; + *) + # Change the first '-' to a '.', so version-comparing tools work properly. + # Remove the "g" in git describe's output string, to save a byte. + v=`echo "$v" | sed 's/-/./;s/\(.*\)-g/\1-/'`; + ;; + esac + v_from_git=1 +else + v=UNKNOWN +fi + +v=`echo "$v" |sed 's/^v//'` + +# Test whether to append the "-dirty" suffix only if the version +# string we're using came from git. I.e., skip the test if it's "UNKNOWN" +# or if it came from .tarball-version. +if test -n "$v_from_git"; then + # Don't declare a version "dirty" merely because a time stamp has changed. + git update-index --refresh > /dev/null 2>&1 + + dirty=`exec 2>/dev/null;git diff-index --name-only HEAD` || dirty= + case "$dirty" in + '') ;; + *) # Append the suffix only if there isn't one already. + case $v in + *-dirty) ;; + *) v="$v-dirty" ;; + esac ;; + esac +fi + +# Omit the trailing newline, so that m4_esyscmd can use the result directly. +echo "$v" | tr -d "$nl" + +# Local variables: +# eval: (add-hook 'write-file-hooks 'time-stamp) +# time-stamp-start: "scriptversion=" +# time-stamp-format: "%:y-%02m-%02d.%02H" +# time-stamp-time-zone: "UTC" +# time-stamp-end: "; # UTC" +# End: diff --git a/local/nls.h b/local/nls.h new file mode 100644 index 0000000..f5abe05 --- /dev/null +++ b/local/nls.h @@ -0,0 +1,114 @@ +/* + * This header was copied from util-linux at fall 2011. + */ + +#ifndef PROCPS_NG_NLS_H +#define PROCPS_NG_NLS_H + +/* programs issuing textdomain() need PACKAGE string */ +#include "config.h" + +/* programs issuing bindtextdomain() also need LOCALEDIR string */ +#ifndef LOCALEDIR +#define LOCALEDIR "/usr/share/locale" +#endif + +#ifdef HAVE_LOCALE_H +# include <locale.h> +#else +# undef setlocale +# define setlocale(Category, Locale) /* empty */ +#endif + +#ifdef ENABLE_NLS +# include <libintl.h> +# define _(Text) gettext (Text) +# ifdef gettext_noop +# define N_(String) gettext_noop (String) +# else +# define N_(String) (String) +# endif +# define P_(Singular, Plural, n) ngettext (Singular, Plural, n) +#else +# undef bindtextdomain +# define bindtextdomain(Domain, Directory) /* empty */ +# undef textdomain +# define textdomain(Domain) /* empty */ +# define _(Text) (Text) +# define N_(Text) (Text) +# define P_(Singular, Plural, n) ((n) == 1 ? (Singular) : (Plural)) +#endif /* ENABLE_NLS */ + +#ifdef HAVE_LANGINFO_H +# include <langinfo.h> +#else + +typedef int nl_item; +extern char *langinfo_fallback(nl_item item); + +# define nl_langinfo langinfo_fallback + +enum { + CODESET = 1, + RADIXCHAR, + THOUSEP, + D_T_FMT, + D_FMT, + T_FMT, + T_FMT_AMPM, + AM_STR, + PM_STR, + + DAY_1, + DAY_2, + DAY_3, + DAY_4, + DAY_5, + DAY_6, + DAY_7, + + ABDAY_1, + ABDAY_2, + ABDAY_3, + ABDAY_4, + ABDAY_5, + ABDAY_6, + ABDAY_7, + + MON_1, + MON_2, + MON_3, + MON_4, + MON_5, + MON_6, + MON_7, + MON_8, + MON_9, + MON_10, + MON_11, + MON_12, + + ABMON_1, + ABMON_2, + ABMON_3, + ABMON_4, + ABMON_5, + ABMON_6, + ABMON_7, + ABMON_8, + ABMON_9, + ABMON_10, + ABMON_11, + ABMON_12, + + ERA_D_FMT, + ERA_D_T_FMT, + ERA_T_FMT, + ALT_DIGITS, + CRNCYSTR, + YESEXPR, + NOEXPR +}; + +#endif /* !HAVE_LANGINFO_H */ +#endif /* PROCPS_NG_NLS_H */ diff --git a/local/procio.c b/local/procio.c new file mode 100644 index 0000000..bbd7c84 --- /dev/null +++ b/local/procio.c @@ -0,0 +1,292 @@ +/* + * procio.c -- Replace stdio for read and write on files below + * proc to be able to read and write large buffers as well. + * + * Copyright (C) 2017 Werner Fink + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef _GNU_SOURCE +# define _GNU_SOURCE +#endif +#include <errno.h> +#include <fcntl.h> +#include <limits.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <sys/stat.h> +#include <sys/types.h> +#include <unistd.h> + +typedef struct pcookie { + char *buf; + size_t count; + size_t length; + off_t offset; + int fd; + int delim; + int final:1; +} pcookie_t; + +static ssize_t proc_read(void *, char *, size_t); +static ssize_t proc_write(void *, const char *, size_t); +static int proc_close(void *); + +__extension__ +static cookie_io_functions_t procio = { + .read = proc_read, + .write = proc_write, + .seek = NULL, + .close = proc_close, +}; + +FILE *fprocopen(const char *path, const char *mode) +{ + pcookie_t *cookie = NULL; + FILE *handle = NULL; + mode_t flags = 0; + size_t len = 0; + int c, delim; + + if (!mode || !(len = strlen(mode))) { + errno = EINVAL; + goto out; + } + + /* No append mode possible */ + switch (mode[0]) { + case 'r': + flags |= O_RDONLY; + break; + case 'w': + flags |= O_WRONLY|O_TRUNC; + break; + default: + errno = EINVAL; + goto out; + } + + delim = ','; /* default delimeter is the comma */ + for (c = 1; c < len; c++) { + switch (mode[c]) { + case '\0': + break; + case '+': + errno = EINVAL; + goto out; + case 'e': + flags |= O_CLOEXEC; + continue; + case 'b': + case 'm': + case 'x': + /* ignore this */ + continue; + default: + if (mode[c] == ' ' || (mode[c] >= ',' && mode[c] <= '.') || mode[c] == ':') + delim = mode[c]; + else { + errno = EINVAL; + goto out; + } + break; + } + break; + } + + cookie = (pcookie_t *)malloc(sizeof(pcookie_t)); + if (!cookie) + goto out; + cookie->count = BUFSIZ; + cookie->buf = (char *)malloc(cookie->count); + if (!cookie->buf) { + int errsv = errno; + free(cookie); + errno = errsv; + goto out; + } + cookie->final = 0; + cookie->offset = 0; + cookie->length = 0; + cookie->delim = delim; + + cookie->fd = openat(AT_FDCWD, path, flags); + if (cookie->fd < 0) { + int errsv = errno; + free(cookie->buf); + free(cookie); + errno = errsv; + goto out; + } + + handle = fopencookie(cookie, mode, procio); + if (!handle) { + int errsv = errno; + close(cookie->fd); + free(cookie->buf); + free(cookie); + errno = errsv; + goto out; + } +out: + return handle; +} + +static +ssize_t proc_read(void *c, char *buf, size_t count) +{ + pcookie_t *cookie = c; + ssize_t len = -1; + void *ptr; + + if (cookie->count < count) { + ptr = realloc(cookie->buf, count); + if (!ptr) + goto out; + cookie->buf = ptr; + cookie->count = count; + } + + while (!cookie->final) { + len = read(cookie->fd, cookie->buf, cookie->count); + + if (len <= 0) { + if (len == 0) { + /* EOF */ + cookie->final = 1; + cookie->buf[cookie->length] = '\0'; + break; + } + goto out; /* error or done */ + } + + cookie->length = len; + + if (cookie->length < cookie->count) + continue; + + /* Likly to small buffer here */ + + lseek(cookie->fd, 0, SEEK_SET); /* reset for a retry */ + + ptr = realloc(cookie->buf, cookie->count += BUFSIZ); + if (!ptr) + goto out; + cookie->buf = ptr; + } + + len = count; + if (cookie->length - cookie->offset < len) + len = cookie->length - cookie->offset; + + if (len < 0) + len = 0; + + if (len) { + (void)memcpy(buf, cookie->buf+cookie->offset, len); + cookie->offset += len; + } else + len = EOF; +out: + return len; +} + +#define LINELEN 4096 + +static +ssize_t proc_write(void *c, const char *buf, size_t count) +{ + pcookie_t *cookie = c; + ssize_t len = -1; + void *ptr; + + if (!count) { + len = 0; + goto out; + } + + /* NL is the final input */ + cookie->final = memrchr(buf, '\n', count) ? 1 : 0; + + while (cookie->count < cookie->offset + count) { + ptr = realloc(cookie->buf, cookie->count += count); + if (!ptr) + goto out; + cookie->buf = ptr; + } + + len = count; + (void)memcpy(cookie->buf+cookie->offset, buf, count); + cookie->offset += count; + + if (cookie->final) { + len = write(cookie->fd, cookie->buf, cookie->offset); + if (len < 0 && errno == EINVAL) { + size_t offset; + off_t amount; + char *token; + /* + * Oops buffer might be to large, split buffer into + * pieces at delimeter if provided + */ + if (!cookie->delim) + goto out; /* Hey dude?! */ + offset = 0; + do { + token = NULL; + if (cookie->offset > LINELEN) + token = (char*)memrchr(cookie->buf+offset, cookie->delim, LINELEN); + else + token = (char*)memrchr(cookie->buf+offset, '\n', cookie->offset); + if (token) + *token = '\n'; + else { + errno = EINVAL; + len = -1; + goto out; /* Wrong/Missing delimeter? */ + } + if (offset > 0) + lseek(cookie->fd, 1, SEEK_CUR); + + amount = token-(cookie->buf+offset)+1; + ptr = cookie->buf+offset; + + len = write(cookie->fd, ptr, amount); + if (len < 1 || len >= cookie->offset) + break; + + offset += len; + cookie->offset -= len; + + } while (cookie->offset > 0); + } + if (len > 0) + len = count; + } +out: + return len; +} + +static +int proc_close(void *c) +{ + pcookie_t *cookie = c; + close(cookie->fd); + free(cookie->buf); + free(cookie); + return 0; +} diff --git a/local/procio.h b/local/procio.h new file mode 100644 index 0000000..043506a --- /dev/null +++ b/local/procio.h @@ -0,0 +1,6 @@ +#ifndef PROCPS_PROC_PROCIO_H +#define PROCPS_PROC_PROCIO_H + +FILE *fprocopen(const char *path, const char *mode); + +#endif diff --git a/local/rpmatch.h b/local/rpmatch.h new file mode 100644 index 0000000..2541aa3 --- /dev/null +++ b/local/rpmatch.h @@ -0,0 +1,9 @@ +#ifndef PROCPS_NG_RPMATCH_H +#define PROCPS_NG_RPMATCH_H + +#ifndef HAVE_RPMATCH +#define rpmatch(r) \ + (*r == 'y' || *r == 'Y' ? 1 : *r == 'n' || *r == 'N' ? 0 : -1) +#endif + +#endif /* PROCPS_NG_RPMATCH_H */ diff --git a/local/signals.c b/local/signals.c new file mode 100644 index 0000000..caff420 --- /dev/null +++ b/local/signals.c @@ -0,0 +1,316 @@ +/* + * signals.c - signal name, and number, conversions + * Copyright 1998-2003 by Albert Cahalan + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <ctype.h> +#include <signal.h> +#include <string.h> +#include <stdio.h> +#include <stdlib.h> +#include "signals.h" +#include "c.h" + +/* Linux signals: + * + * SIGSYS is required by Unix98. + * SIGEMT is part of SysV, BSD, and ancient UNIX tradition. + * + * They are provided by these Linux ports: alpha, mips, sparc, and sparc64. + * You get SIGSTKFLT and SIGUNUSED instead on i386, m68k, ppc, and arm. + * (this is a Linux & libc bug -- both must be fixed) + * + * Total garbage: SIGIO SIGINFO SIGIOT SIGCLD + * (popular ones are handled as aliases) + * SIGLOST + * (except on the Hurd; reused to mean a server died) + * Nearly garbage: SIGSTKFLT SIGUNUSED (nothing else to fill slots) + */ + +/* Linux 2.3.29 replaces SIGUNUSED with the standard SIGSYS signal */ +#ifndef SIGSYS +# warning Standards require that <signal.h> define SIGSYS +# define SIGSYS SIGUNUSED +#endif + +/* If we see both, it is likely SIGSTKFLT (junk) was replaced. */ +#ifdef SIGEMT +# undef SIGSTKFLT +#endif + +#ifndef SIGRTMIN +# warning Standards require that <signal.h> define SIGRTMIN; assuming 32 +# define SIGRTMIN 32 +#endif + +/* It seems the SPARC libc does not know the kernel supports SIGPWR. */ +#if defined(__linux__) && !defined(SIGPWR) +# warning Your header files lack SIGPWR. (assuming it is number 29) +# define SIGPWR 29 +#endif + +typedef struct mapstruct { + const char *name; + int num; +} mapstruct; + + +static const mapstruct sigtable[] = { + {"ABRT", SIGABRT}, /* IOT */ + {"ALRM", SIGALRM}, + {"BUS", SIGBUS}, + {"CHLD", SIGCHLD}, /* CLD */ + {"CONT", SIGCONT}, +#ifdef SIGEMT + {"EMT", SIGEMT}, +#endif + {"FPE", SIGFPE}, + {"HUP", SIGHUP}, + {"ILL", SIGILL}, + {"INT", SIGINT}, + {"KILL", SIGKILL}, +#if defined(__GNU__) + {"LOST", SIGLOST}, /* Hurd-specific */ +#endif + {"PIPE", SIGPIPE}, + {"POLL", SIGPOLL}, /* IO */ + {"PROF", SIGPROF}, +#ifdef SIGPWR + {"PWR", SIGPWR}, +#endif + {"QUIT", SIGQUIT}, + {"SEGV", SIGSEGV}, +#ifdef SIGSTKFLT + {"STKFLT", SIGSTKFLT}, +#endif + {"STOP", SIGSTOP}, + {"SYS", SIGSYS}, /* UNUSED */ + {"TERM", SIGTERM}, + {"TRAP", SIGTRAP}, + {"TSTP", SIGTSTP}, + {"TTIN", SIGTTIN}, + {"TTOU", SIGTTOU}, + {"URG", SIGURG}, + {"USR1", SIGUSR1}, + {"USR2", SIGUSR2}, + {"VTALRM", SIGVTALRM}, + {"WINCH", SIGWINCH}, + {"XCPU", SIGXCPU}, + {"XFSZ", SIGXFSZ} +}; + + +#define number_of_signals (sizeof(sigtable)/sizeof(mapstruct)) + +#define XJOIN(a, b) JOIN(a, b) +#define JOIN(a, b) a##b +#define STATIC_ASSERT(x) typedef int XJOIN(static_assert_on_line_,__LINE__)[(x) ? 1 : -1] + +/* sanity check */ +#if defined(__linux__) +STATIC_ASSERT(number_of_signals == 31); +#elif defined(__FreeBSD_kernel__) || defined(__FreeBSD__) +STATIC_ASSERT(number_of_signals == 30); +#elif defined(__GNU__) +STATIC_ASSERT(number_of_signals == 31); +#elif defined(__CYGWIN__) +STATIC_ASSERT(number_of_signals == 31); +#else +# warning Unknown operating system; assuming number_of_signals is correct +#endif + +static int compare_signal_names(const void *a, const void *b){ + return strcasecmp( ((const mapstruct*)a)->name, ((const mapstruct*)b)->name ); +} + + +const char *get_sigtable_name(int row) +{ + if (row < 0 || row >= number_of_signals) + return NULL; + return sigtable[row].name; +} + +const int get_sigtable_num(int row) +{ + if (row < 0 || row >= number_of_signals) + return -1; + return sigtable[row].num; +} + +/* return -1 on failure */ +int signal_name_to_number(const char *restrict name){ + long val; + int offset; + + /* clean up name */ + if(!strncasecmp(name,"SIG",3)) + name += 3; + + if(!strcasecmp(name,"CLD")) + return SIGCHLD; + if(!strcasecmp(name,"IO")) + return SIGPOLL; + if(!strcasecmp(name,"IOT")) + return SIGABRT; + /* search the table */ + { + const mapstruct ms = {name,0}; + const mapstruct *restrict const ptr = bsearch( + &ms, + sigtable, + number_of_signals, + sizeof(mapstruct), + compare_signal_names); + if(ptr) + return ptr->num; + } + + if(!strcasecmp(name,"RTMIN")) + return SIGRTMIN; + if(!strcasecmp(name,"EXIT")) + return 0; + if(!strcasecmp(name,"NULL")) + return 0; + + offset = 0; + if(!strncasecmp(name,"RTMIN+",6)) { + name += 6; + offset = SIGRTMIN; + } + + /* not found, so try as a number */ + { + char *endp; + val = strtol(name,&endp,10); + if(*endp || endp==name) + return -1; /* not valid */ + } + if(val<0 || val+SIGRTMIN>127) + return -1; /* not valid */ + return val+offset; +} + +const char *signal_number_to_name(int signo) +{ + static char buf[32]; + int n = number_of_signals; + signo &= 0x7f; /* need to process exit values too */ + while (n--) { + if(sigtable[n].num==signo) + return sigtable[n].name; + } + if (signo == SIGRTMIN) + return "RTMIN"; + if (signo) + sprintf(buf, "RTMIN+%d", signo-SIGRTMIN); + else + strcpy(buf,"0"); /* AIX has NULL; Solaris has EXIT */ + return buf; +} + +int skill_sig_option(int *argc, char **argv) +{ + int i; + int signo = -1; + for (i = 1; i < *argc; i++) { + if (argv[i][0] == '-') { + signo = signal_name_to_number(argv[i] + 1); + if (-1 < signo) { + memmove(argv + i, argv + i + 1, + sizeof(char *) * (*argc - i)); + (*argc)--; + return signo; + } + } + } + return signo; +} + + +/* strtosig is similar to print_given_signals() with exception, that + * this function takes a string, and converts it to a signal name or + * a number string depending on which way a round conversion is + * queried. Non-existing signals return NULL. Notice that the + * returned string should be freed after use. + */ +char *strtosig(const char *restrict s) +{ + char *converted = NULL, *copy, *p, *endp; + int i, numsignal = 0; + + copy = strdup(s); + if (!copy) + xerrx(EXIT_FAILURE, "cannot duplicate string"); + for (p = copy; *p != '\0'; p++) + *p = toupper(*p); + p = copy; + if (p[0] == 'S' && p[1] == 'I' && p[2] == 'G') + p += 3; + if (isdigit(*p)){ + numsignal = strtol(s,&endp,10); + if(*endp || endp==s){ + free(p); + return NULL; /* not valid */ + } + } + if (numsignal){ + for (i = 0; i < number_of_signals; i++){ + if (numsignal == get_sigtable_num(i)){ + converted = strdup(get_sigtable_name(i)); + break; + } + } + } else { + for (i = 0; i < number_of_signals; i++){ + if (strcmp(p, get_sigtable_name(i)) == 0){ + converted = malloc(12); + if (converted) + snprintf(converted, 12, "%d", sigtable[i].num); + break; + } + } + } + free(copy); + return converted; +} + +void unix_print_signals(void) +{ + int pos = 0; + int i = 0; + while(++i <= number_of_signals){ + if(i-1) printf("%c", (pos>73)?(pos=0,'\n'):(pos++,' ') ); + pos += printf("%s", signal_number_to_name(i)); + } + printf("\n"); +} + +void pretty_print_signals(void) +{ + int i = 0; + while(++i <= number_of_signals){ + int n; + n = printf("%2d %s", i, signal_number_to_name(i)); + if(n>0 && i%7) + printf("%s", " \0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0" + n); + else + printf("\n"); + } + if((i-1)%7) printf("\n"); +} + diff --git a/local/signals.h b/local/signals.h new file mode 100644 index 0000000..db23e9f --- /dev/null +++ b/local/signals.h @@ -0,0 +1,33 @@ +#ifndef PROC_SIG_H +#define PROC_SIG_H +/* + * Copyright 1998-2003 by Albert Cahalan; all rights resered. + * This file may be used subject to the terms and conditions of the + * GNU Library General Public License Version 2, or any later version + * at your option, as published by the Free Software Foundation. + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Library General Public License for more details. + */ + +extern const int number_of_signals; + +extern const char *get_sigtable_name(int row); + +extern const int get_sigtable_num(int row); + +/* return -1 on failure */ +extern int signal_name_to_number(const char *__restrict name); + +extern const char *signal_number_to_name(int signo); + +extern int skill_sig_option(int *argc, char **argv); + +extern char *strtosig(const char *restrict s); + +extern void pretty_print_signals(void); + +extern void unix_print_signals(void); + +#endif diff --git a/local/strutils.c b/local/strutils.c new file mode 100644 index 0000000..e5245db --- /dev/null +++ b/local/strutils.c @@ -0,0 +1,123 @@ +/* + * strutils.c - various string routines shared by commands + * This file was copied from util-linux at fall 2011. + * + * Copyright (C) 2010 Karel Zak <kzak@redhat.com> + * Copyright (C) 2010 Davidlohr Bueso <dave@gnu.org> + * + * 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 the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + */ + +#include <stdlib.h> +#include <ctype.h> + +#include "c.h" +#include "strutils.h" + +/* + * same as strtol(3) but exit on failure instead of returning crap + */ +long strtol_or_err(const char *str, const char *errmesg) +{ + long num; + char *end = NULL; + + if (str != NULL && *str != '\0') { + errno = 0; + num = strtol(str, &end, 10); + if (errno == 0 && str != end && end != NULL && *end == '\0') + return num; + } + error(EXIT_FAILURE, errno, "%s: '%s'", errmesg, str); + return 0; +} + +/* + * same as strtod(3) but exit on failure instead of returning crap + */ +double strtod_or_err(const char *str, const char *errmesg) +{ + double num; + char *end = NULL; + + if (str != NULL && *str != '\0') { + errno = 0; + num = strtod(str, &end); + if (errno == 0 && str != end && end != NULL && *end == '\0') + return num; + } + error(EXIT_FAILURE, errno, "%s: '%s'", errmesg, str); + return 0; +} + +/* + * Covert a string into a double in a non-locale aware way. + * This means the decimal point can be either . or , + * Also means you cannot use the other for thousands separator + * + * Exits on failure like its other _or_err cousins + */ +double strtod_nol_or_err(char *str, const char *errmesg) +{ + double num; + const char *cp, *radix; + double mult; + int negative = 0; + + if (str != NULL && *str != '\0') { + num = 0.0; + cp = str; + /* strip leading spaces */ + while (isspace(*cp)) + cp++; + + /* get sign */ + if (*cp == '-') { + negative = 1; + cp++; + } else if (*cp == '+') + cp++; + + /* find radix */ + radix = cp; + mult=0.1; + while(isdigit(*radix)) { + radix++; + mult *= 10; + } + while(isdigit(*cp)) { + num += (*cp - '0') * mult; + mult /= 10; + cp++; + } + /* got the integers */ + if (*cp == '\0') + return (negative?-num:num); + if (*cp != '.' && *cp != ',') + error(EXIT_FAILURE, EINVAL, "%s: '%s'", errmesg, str); + + cp++; + mult = 0.1; + while(isdigit(*cp)) { + num += (*cp - '0') * mult; + mult /= 10; + cp++; + } + if (*cp == '\0') + return (negative?-num:num); + } + error(EXIT_FAILURE, errno, "%s: '%s'", errmesg, str); + return 0; +} diff --git a/local/strutils.h b/local/strutils.h new file mode 100644 index 0000000..85a6192 --- /dev/null +++ b/local/strutils.h @@ -0,0 +1,12 @@ +/* + * This header was copied from util-linux at fall 2011. + */ + +#ifndef PROCPS_NG_STRUTILS +#define PROCPS_NG_STRUTILS + +extern long strtol_or_err(const char *str, const char *errmesg); +extern double strtod_or_err(const char *str, const char *errmesg); +double strtod_nol_or_err(char *str, const char *errmesg); + +#endif diff --git a/local/strverscmp.c b/local/strverscmp.c new file mode 100644 index 0000000..e71ecd0 --- /dev/null +++ b/local/strverscmp.c @@ -0,0 +1,158 @@ +/* Compare strings while treating digits characters numerically. + Copyright (C) 1997, 2002, 2005 Free Software Foundation, Inc. + This file is part of the libiberty library. + Contributed by Jean-François Bignolles <bignolle@ecoledoc.ibp.fr>, 1997. + + Libiberty is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + Libiberty is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA + 02110-1301 USA. */ + +/* #include "libiberty.h" */ +/* #include "safe-ctype.h" */ +#include <ctype.h> + +/* +@deftypefun int strverscmp (const char *@var{s1}, const char *@var{s2}) +The @code{strverscmp} function compares the string @var{s1} against +@var{s2}, considering them as holding indices/version numbers. Return +value follows the same conventions as found in the @code{strverscmp} +function. In fact, if @var{s1} and @var{s2} contain no digits, +@code{strverscmp} behaves like @code{strcmp}. + +Basically, we compare strings normally (character by character), until +we find a digit in each string - then we enter a special comparison +mode, where each sequence of digits is taken as a whole. If we reach the +end of these two parts without noticing a difference, we return to the +standard comparison mode. There are two types of numeric parts: +"integral" and "fractional" (those begin with a '0'). The types +of the numeric parts affect the way we sort them: + +@itemize @bullet +@item +integral/integral: we compare values as you would expect. + +@item +fractional/integral: the fractional part is less than the integral one. +Again, no surprise. + +@item +fractional/fractional: the things become a bit more complex. +If the common prefix contains only leading zeroes, the longest part is less +than the other one; else the comparison behaves normally. +@end itemize + +@smallexample +strverscmp ("no digit", "no digit") + @result{} 0 // @r{same behavior as strcmp.} +strverscmp ("item#99", "item#100") + @result{} <0 // @r{same prefix, but 99 < 100.} +strverscmp ("alpha1", "alpha001") + @result{} >0 // @r{fractional part inferior to integral one.} +strverscmp ("part1_f012", "part1_f01") + @result{} >0 // @r{two fractional parts.} +strverscmp ("foo.009", "foo.0") + @result{} <0 // @r{idem, but with leading zeroes only.} +@end smallexample + +This function is especially useful when dealing with filename sorting, +because filenames frequently hold indices/version numbers. +@end deftypefun + +*/ + +/* states: S_N: normal, S_I: comparing integral part, S_F: comparing + fractional parts, S_Z: idem but with leading Zeroes only */ +#define S_N 0x0 +#define S_I 0x4 +#define S_F 0x8 +#define S_Z 0xC + +/* result_type: CMP: return diff; LEN: compare using len_diff/diff */ +#define CMP 2 +#define LEN 3 + + +/* Compare S1 and S2 as strings holding indices/version numbers, + returning less than, equal to or greater than zero if S1 is less than, + equal to or greater than S2 (for more info, see the Glibc texinfo doc). */ + +int +strverscmp (const char *s1, const char *s2) +{ + const unsigned char *p1 = (const unsigned char *) s1; + const unsigned char *p2 = (const unsigned char *) s2; + unsigned char c1, c2; + int state; + int diff; + + /* Symbol(s) 0 [1-9] others (padding) + Transition (10) 0 (01) d (00) x (11) - */ + static const unsigned int next_state[] = + { + /* state x d 0 - */ + /* S_N */ S_N, S_I, S_Z, S_N, + /* S_I */ S_N, S_I, S_I, S_I, + /* S_F */ S_N, S_F, S_F, S_F, + /* S_Z */ S_N, S_F, S_Z, S_Z + }; + + static const int result_type[] = + { + /* state x/x x/d x/0 x/- d/x d/d d/0 d/- + 0/x 0/d 0/0 0/- -/x -/d -/0 -/- */ + + /* S_N */ CMP, CMP, CMP, CMP, CMP, LEN, CMP, CMP, + CMP, CMP, CMP, CMP, CMP, CMP, CMP, CMP, + /* S_I */ CMP, -1, -1, CMP, +1, LEN, LEN, CMP, + +1, LEN, LEN, CMP, CMP, CMP, CMP, CMP, + /* S_F */ CMP, CMP, CMP, CMP, CMP, LEN, CMP, CMP, + CMP, CMP, CMP, CMP, CMP, CMP, CMP, CMP, + /* S_Z */ CMP, +1, +1, CMP, -1, CMP, CMP, CMP, + -1, CMP, CMP, CMP + }; + + if (p1 == p2) + return 0; + + c1 = *p1++; + c2 = *p2++; + /* Hint: '0' is a digit too. */ + state = S_N | ((c1 == '0') + (isdigit (c1) != 0)); + + while ((diff = c1 - c2) == 0 && c1 != '\0') + { + state = next_state[state]; + c1 = *p1++; + c2 = *p2++; + state |= (c1 == '0') + (isdigit (c1) != 0); + } + + state = result_type[state << 2 | (((c2 == '0') + (isdigit (c2) != 0)))]; + + switch (state) + { + case CMP: + return diff; + + case LEN: + while (isdigit (*p1++)) + if (!isdigit (*p2++)) + return 1; + + return isdigit (*p2) ? -1 : diff; + + default: + return state; + } +} diff --git a/local/tests.h b/local/tests.h new file mode 100644 index 0000000..324cc22 --- /dev/null +++ b/local/tests.h @@ -0,0 +1,29 @@ + +#ifndef PROCPS_NG_TESTS_H +#define PROCPS_NG_TESTS_H + +#include <stdio.h> + +typedef int (*TestFunction)(void *data); + +char *testname; + + +static inline int run_tests(TestFunction *list, void *data) +{ + int i; + TestFunction current; + + for (i=0; list[i] != NULL; i++) { + testname = NULL; + current = list[i]; + if (!current(data)) { + fprintf(stderr, "FAIL: %s\n", testname); + return EXIT_FAILURE; + } else { + fprintf(stderr, "PASS: %s\n", testname); + } + } + return EXIT_SUCCESS; +} +#endif diff --git a/local/xalloc.h b/local/xalloc.h new file mode 100644 index 0000000..a804689 --- /dev/null +++ b/local/xalloc.h @@ -0,0 +1,60 @@ +/* + * This header was copied from util-linux at fall 2011. + */ + +/* + * General memory allocation wrappers for malloc, realloc, calloc + * and strdup. + */ + +#ifndef PROCPS_NG_XALLOC_H +#define PROCPS_NG_XALLOC_H + +#include <stdlib.h> +#include <string.h> + +#include "c.h" + +#ifndef XALLOC_EXIT_CODE +# define XALLOC_EXIT_CODE EXIT_FAILURE +#endif + +static inline __ul_alloc_size(1) +void *xmalloc(const size_t size) +{ + void *ret = malloc(size); + if (!ret && size) + xerrx(XALLOC_EXIT_CODE, "cannot allocate %zu bytes", size); + return ret; +} + +static inline __ul_alloc_size(2) +void *xrealloc(void *ptr, const size_t size) +{ + void *ret = realloc(ptr, size); + if (!ret && size) + xerrx(XALLOC_EXIT_CODE, "cannot allocate %zu bytes", size); + return ret; +} + +static inline __ul_calloc_size(1, 2) +void *xcalloc(const size_t nelems, const size_t size) +{ + void *ret = calloc(nelems, size); + if (!ret && size && nelems) + xerrx(XALLOC_EXIT_CODE, "cannot allocate %zu bytes", nelems*size); + return ret; +} + +static inline char *xstrdup(const char *str) +{ + char *ret; + if (!str) + return NULL; + ret = strdup(str); + if (!ret) + xerrx(XALLOC_EXIT_CODE, "cannot duplicate string"); + return ret; +} + +#endif /* PROCPS_NG_XALLOC_H */ |