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pacman/src/pacman/util.c

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22 KiB
C
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2005-03-14 20:51:43 -05:00
/*
* util.c
*
* Copyright (c) 2006-2011 Pacman Development Team <pacman-dev@archlinux.org>
* Copyright (c) 2002-2006 by Judd Vinet <jvinet@zeroflux.org>
*
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* 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, see <http://www.gnu.org/licenses/>.
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*/
#include "config.h"
#include <sys/types.h>
#include <sys/ioctl.h>
#include <sys/stat.h>
#include <sys/time.h>
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#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <stdint.h> /* intmax_t */
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#include <string.h>
#include <errno.h>
#include <fcntl.h>
#include <ctype.h>
#include <dirent.h>
#include <unistd.h>
#include <limits.h>
#include <wchar.h>
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#include <alpm.h>
#include <alpm_list.h>
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/* pacman */
#include "util.h"
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#include "conf.h"
#include "callback.h"
int trans_init(pmtransflag_t flags)
{
int ret;
if(config->print) {
ret = alpm_trans_init(flags, NULL, NULL, NULL);
} else {
ret = alpm_trans_init(flags, cb_trans_evt, cb_trans_conv,
cb_trans_progress);
}
if(ret == -1) {
pm_fprintf(stderr, PM_LOG_ERROR, _("failed to init transaction (%s)\n"),
alpm_strerrorlast());
if(pm_errno == PM_ERR_HANDLE_LOCK) {
fprintf(stderr, _(" if you're sure a package manager is not already\n"
" running, you can remove %s\n"), alpm_option_get_lockfile());
}
else if(pm_errno == PM_ERR_DB_VERSION) {
fprintf(stderr, _(" try running pacman-db-upgrade\n"));
}
return(-1);
}
return(0);
}
int trans_release(void)
{
if(alpm_trans_release() == -1) {
pm_fprintf(stderr, PM_LOG_ERROR, _("failed to release transaction (%s)\n"),
alpm_strerrorlast());
return(-1);
}
return(0);
}
int needs_root(void)
{
switch(config->op) {
case PM_OP_DATABASE:
return(1);
case PM_OP_UPGRADE:
case PM_OP_REMOVE:
return(!config->print);
case PM_OP_SYNC:
return(config->op_s_clean || config->op_s_sync ||
(!config->group && !config->op_s_info && !config->op_q_list &&
!config->op_s_search && !config->print));
default:
return(0);
}
}
/* gets the current screen column width */
int getcols(int def)
{
#ifdef TIOCGSIZE
struct ttysize win;
if(ioctl(1, TIOCGSIZE, &win) == 0) {
return win.ts_cols;
}
#elif defined(TIOCGWINSZ)
struct winsize win;
if(ioctl(1, TIOCGWINSZ, &win) == 0) {
return win.ws_col;
}
#endif
return def;
}
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/* does the same thing as 'rm -rf' */
int rmrf(const char *path)
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{
int errflag = 0;
struct dirent *dp;
DIR *dirp;
if(!unlink(path)) {
return(0);
} else {
if(errno == ENOENT) {
return(0);
} else if(errno == EPERM) {
/* fallthrough */
} else if(errno == EISDIR) {
/* fallthrough */
} else if(errno == ENOTDIR) {
return(1);
} else {
/* not a directory */
return(1);
}
dirp = opendir(path);
if(!dirp) {
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return(1);
}
for(dp = readdir(dirp); dp != NULL; dp = readdir(dirp)) {
if(dp->d_ino) {
char name[PATH_MAX];
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sprintf(name, "%s/%s", path, dp->d_name);
if(strcmp(dp->d_name, "..") != 0 && strcmp(dp->d_name, ".") != 0) {
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errflag += rmrf(name);
}
}
}
closedir(dirp);
if(rmdir(path)) {
errflag++;
}
return(errflag);
}
}
/** Parse the basename of a program from a path.
* @param path path to parse basename from
*
* @return everything following the final '/'
*/
const char *mbasename(const char *path)
{
const char *last = strrchr(path, '/');
if(last) {
return(last + 1);
}
return(path);
}
/** Parse the dirname of a program from a path.
* The path returned should be freed.
* @param path path to parse dirname from
*
* @return everything preceding the final '/'
*/
char *mdirname(const char *path)
{
char *ret, *last;
/* null or empty path */
if(path == NULL || path == '\0') {
return(strdup("."));
}
ret = strdup(path);
last = strrchr(ret, '/');
if(last != NULL) {
/* we found a '/', so terminate our string */
*last = '\0';
return(ret);
}
/* no slash found */
free(ret);
return(strdup("."));
}
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/* output a string, but wrap words properly with a specified indentation
*/
void indentprint(const char *str, int indent)
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{
wchar_t *wcstr;
const wchar_t *p;
int len, cidx;
const int cols = getcols(0);
if(!str) {
return;
}
/* if we're not a tty, print without indenting */
if(cols == 0) {
printf("%s", str);
return;
}
len = strlen(str) + 1;
wcstr = calloc(len, sizeof(wchar_t));
len = mbstowcs(wcstr, str, len);
p = wcstr;
cidx = indent;
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if(!p || !len) {
return;
}
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while(*p) {
if(*p == L' ') {
const wchar_t *q, *next;
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p++;
if(p == NULL || *p == L' ') continue;
next = wcschr(p, L' ');
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if(next == NULL) {
next = p + wcslen(p);
}
/* len captures # cols */
len = 0;
q = p;
while(q < next) {
len += wcwidth(*q++);
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}
if(len > (cols - cidx - 1)) {
/* wrap to a newline and reindent */
printf("\n%-*s", indent, "");
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cidx = indent;
} else {
printf(" ");
cidx++;
}
continue;
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}
printf("%lc", (wint_t)*p);
cidx += wcwidth(*p);
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p++;
}
free(wcstr);
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}
/* Convert a string to uppercase
*/
char *strtoupper(char *str)
{
char *ptr = str;
while(*ptr) {
(*ptr) = (char)toupper((unsigned char)*ptr);
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ptr++;
}
return str;
}
/* Trim whitespace and newlines from a string
*/
char *strtrim(char *str)
{
char *pch = str;
if(str == NULL || *str == '\0') {
/* string is empty, so we're done. */
return(str);
}
while(isspace((unsigned char)*pch)) {
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pch++;
}
if(pch != str) {
memmove(str, pch, (strlen(pch) + 1));
}
/* check if there wasn't anything but whitespace in the string. */
if(*str == '\0') {
return(str);
}
pch = (str + (strlen(str) - 1));
while(isspace((unsigned char)*pch)) {
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pch--;
}
*++pch = '\0';
return(str);
}
/* Replace all occurances of 'needle' with 'replace' in 'str', returning
* a new string (must be free'd) */
char *strreplace(const char *str, const char *needle, const char *replace)
{
const char *p = NULL, *q = NULL;
char *newstr = NULL, *newp = NULL;
alpm_list_t *i = NULL, *list = NULL;
size_t needlesz = strlen(needle), replacesz = strlen(replace);
size_t newsz;
if(!str) {
return(NULL);
}
p = str;
q = strstr(p, needle);
while(q) {
list = alpm_list_add(list, (char *)q);
p = q + needlesz;
q = strstr(p, needle);
}
/* no occurences of needle found */
if(!list) {
return(strdup(str));
}
/* size of new string = size of old string + "number of occurences of needle"
* x "size difference between replace and needle" */
newsz = strlen(str) + 1 +
alpm_list_count(list) * (replacesz - needlesz);
newstr = malloc(newsz);
if(!newstr) {
return(NULL);
}
*newstr = '\0';
p = str;
newp = newstr;
for(i = list; i; i = alpm_list_next(i)) {
q = alpm_list_getdata(i);
if(q > p){
/* add chars between this occurence and last occurence, if any */
strncpy(newp, p, (size_t)(q - p));
newp += q - p;
}
strncpy(newp, replace, replacesz);
newp += replacesz;
p = q + needlesz;
}
alpm_list_free(list);
if(*p) {
/* add the rest of 'p' */
strcpy(newp, p);
newp += strlen(p);
}
*newp = '\0';
return(newstr);
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}
/** Splits a string into a list of strings using the chosen character as
* a delimiter.
*
* @param str the string to split
* @param splitchar the character to split at
*
* @return a list containing the duplicated strings
*/
alpm_list_t *strsplit(const char *str, const char splitchar)
{
alpm_list_t *list = NULL;
const char *prev = str;
char *dup = NULL;
while((str = strchr(str, splitchar))) {
dup = strndup(prev, (size_t)(str - prev));
if(dup == NULL) {
return(NULL);
}
list = alpm_list_add(list, dup);
str++;
prev = str;
}
dup = strdup(prev);
if(dup == NULL) {
return(NULL);
}
list = alpm_list_add(list, dup);
return(list);
}
static int string_length(const char *s)
{
int len;
wchar_t *wcstr;
if(!s) {
return(0);
}
/* len goes from # bytes -> # chars -> # cols */
len = strlen(s) + 1;
wcstr = calloc(len, sizeof(wchar_t));
len = mbstowcs(wcstr, s, len);
len = wcswidth(wcstr, len);
free(wcstr);
return(len);
}
void string_display(const char *title, const char *string)
{
if(title) {
printf("%s ", title);
}
if(string == NULL || string[0] == '\0') {
printf(_("None"));
} else {
/* compute the length of title + a space */
int len = string_length(title) + 1;
indentprint(string, len);
}
printf("\n");
}
void list_display(const char *title, const alpm_list_t *list)
{
const alpm_list_t *i;
int len = 0;
if(title) {
len = string_length(title) + 1;
printf("%s ", title);
}
if(!list) {
printf("%s\n", _("None"));
} else {
int cols;
const int maxcols = getcols(80);
for(i = list, cols = len; i; i = alpm_list_next(i)) {
char *str = alpm_list_getdata(i);
int s = string_length(str);
if(cols + s + 2 >= maxcols) {
int j;
cols = len;
printf("\n");
for (j = 1; j <= len; j++) {
printf(" ");
}
} else if (cols != len) {
/* 2 spaces are added if this is not the first element on a line. */
printf(" ");
cols += 2;
}
printf("%s", str);
cols += s;
}
printf("\n");
}
}
void list_display_linebreak(const char *title, const alpm_list_t *list)
{
const alpm_list_t *i;
int len = 0;
if(title) {
len = string_length(title) + 1;
printf("%s ", title);
}
if(!list) {
printf("%s\n", _("None"));
} else {
/* Print the first element */
indentprint((const char *) alpm_list_getdata(list), len);
printf("\n");
/* Print the rest */
for(i = alpm_list_next(list); i; i = alpm_list_next(i)) {
int j;
for(j = 1; j <= len; j++) {
printf(" ");
}
indentprint((const char *) alpm_list_getdata(i), len);
printf("\n");
}
}
}
/* prepare a list of pkgs to display */
void display_targets(const alpm_list_t *pkgs, int install)
{
char *str;
const alpm_list_t *i;
off_t isize = 0, dlsize = 0;
double mbisize = 0.0, mbdlsize = 0.0;
alpm_list_t *targets = NULL;
if(!pkgs) {
return;
}
printf("\n");
for(i = pkgs; i; i = alpm_list_next(i)) {
pmpkg_t *pkg = alpm_list_getdata(i);
if(install) {
dlsize += alpm_pkg_download_size(pkg);
}
isize += alpm_pkg_get_isize(pkg);
/* print the package size with the output if ShowSize option set */
if(config->showsize) {
double mbsize = (double)alpm_pkg_get_size(pkg) / (1024.0 * 1024.0);
pm_asprintf(&str, "%s-%s [%.2f MB]", alpm_pkg_get_name(pkg),
alpm_pkg_get_version(pkg), mbsize);
} else {
pm_asprintf(&str, "%s-%s", alpm_pkg_get_name(pkg),
alpm_pkg_get_version(pkg));
}
targets = alpm_list_add(targets, str);
}
/* Convert byte sizes to MB */
mbdlsize = (double)dlsize / (1024.0 * 1024.0);
mbisize = (double)isize / (1024.0 * 1024.0);
if(install) {
pm_asprintf(&str, _("Targets (%d):"), alpm_list_count(targets));
list_display(str, targets);
free(str);
printf("\n");
printf(_("Total Download Size: %.2f MB\n"), mbdlsize);
if(!(config->flags & PM_TRANS_FLAG_DOWNLOADONLY)) {
printf(_("Total Installed Size: %.2f MB\n"), mbisize);
}
} else {
pm_asprintf(&str, _("Remove (%d):"), alpm_list_count(targets));
list_display(str, targets);
free(str);
printf("\n");
printf(_("Total Removed Size: %.2f MB\n"), mbisize);
}
FREELIST(targets);
}
static off_t pkg_get_size(pmpkg_t *pkg)
{
switch(config->op) {
case PM_OP_SYNC:
return(alpm_pkg_download_size(pkg));
case PM_OP_UPGRADE:
return(alpm_pkg_get_size(pkg));
default:
return(alpm_pkg_get_isize(pkg));
}
}
static char *pkg_get_location(pmpkg_t *pkg)
{
pmdb_t *db;
const char *dburl;
char *string;
switch(config->op) {
case PM_OP_SYNC:
db = alpm_pkg_get_db(pkg);
dburl = alpm_db_get_url(db);
if(dburl) {
char *pkgurl = NULL;
pm_asprintf(&pkgurl, "%s/%s", dburl, alpm_pkg_get_filename(pkg));
return(pkgurl);
}
case PM_OP_UPGRADE:
return(strdup(alpm_pkg_get_filename(pkg)));
default:
string = NULL;
pm_asprintf(&string, "%s-%s", alpm_pkg_get_name(pkg), alpm_pkg_get_version(pkg));
return(string);
}
}
void print_packages(const alpm_list_t *packages)
{
const alpm_list_t *i;
if(!config->print_format) {
config->print_format = strdup("%l");
}
for(i = packages; i; i = alpm_list_next(i)) {
pmpkg_t *pkg = alpm_list_getdata(i);
char *string = strdup(config->print_format);
char *temp = string;
/* %n : pkgname */
if(strstr(temp,"%n")) {
string = strreplace(temp, "%n", alpm_pkg_get_name(pkg));
free(temp);
temp = string;
}
/* %v : pkgver */
if(strstr(temp,"%v")) {
string = strreplace(temp, "%v", alpm_pkg_get_version(pkg));
free(temp);
temp = string;
}
/* %l : location */
if(strstr(temp,"%l")) {
char *pkgloc = pkg_get_location(pkg);
string = strreplace(temp, "%l", pkgloc);
free(pkgloc);
free(temp);
temp = string;
}
/* %r : repo */
if(strstr(temp,"%r")) {
const char *repo = "local";
pmdb_t *db = alpm_pkg_get_db(pkg);
if(db) {
repo = alpm_db_get_name(db);
}
string = strreplace(temp, "%r", repo);
free(temp);
temp = string;
}
/* %s : size */
if(strstr(temp,"%s")) {
char *size;
pm_asprintf(&size, "%jd", (intmax_t)pkg_get_size(pkg));
string = strreplace(temp, "%s", size);
free(size);
free(temp);
}
printf("%s\n",string);
free(string);
}
}
/* Helper function for comparing strings using the
* alpm "compare func" signature */
int str_cmp(const void *s1, const void *s2)
{
return(strcmp(s1, s2));
}
void display_new_optdepends(pmpkg_t *oldpkg, pmpkg_t *newpkg)
{
alpm_list_t *old = alpm_pkg_get_optdepends(oldpkg);
alpm_list_t *new = alpm_pkg_get_optdepends(newpkg);
alpm_list_t *optdeps = alpm_list_diff(new,old,str_cmp);
if(optdeps) {
printf(_("New optional dependencies for %s\n"), alpm_pkg_get_name(newpkg));
list_display_linebreak(" ", optdeps);
}
alpm_list_free(optdeps);
}
void display_optdepends(pmpkg_t *pkg)
{
alpm_list_t *optdeps = alpm_pkg_get_optdepends(pkg);
if(optdeps) {
printf(_("Optional dependencies for %s\n"), alpm_pkg_get_name(pkg));
list_display_linebreak(" ", optdeps);
}
}
static void display_repo_list(const char *dbname, alpm_list_t *list)
{
const char *prefix= " ";
printf(":: ");
printf(_("Repository %s\n"), dbname);
list_display(prefix, list);
}
void select_display(const alpm_list_t *pkglist)
{
const alpm_list_t *i;
int nth = 1;
alpm_list_t *list = NULL;
char *string = NULL;
const char *dbname = NULL;
for (i = pkglist; i; i = i->next) {
pmpkg_t *pkg = alpm_list_getdata(i);
pmdb_t *db = alpm_pkg_get_db(pkg);
if(!dbname)
dbname = alpm_db_get_name(db);
if(strcmp(alpm_db_get_name(db), dbname) != 0) {
display_repo_list(dbname, list);
FREELIST(list);
dbname = alpm_db_get_name(db);
}
string = NULL;
pm_asprintf(&string, "%d) %s", nth, alpm_pkg_get_name(pkg));
list = alpm_list_add(list, string);
nth++;
}
display_repo_list(dbname, list);
FREELIST(list);
}
static int parseindex(char *s, int *val, int min, int max)
{
char *endptr = NULL;
int n = strtol(s, &endptr, 10);
if(*endptr == '\0') {
if(n < min || n > max) {
fprintf(stderr, _("Invalid value: %d is not between %d and %d\n"),
n, min, max);
return(-1);
}
*val = n;
return(0);
} else {
fprintf(stderr, _("Invalid number: %s\n"), s);
return(-1);
}
}
static int multiselect_parse(char *array, int count, char *response)
{
char *str, *saveptr;
for (str = response; ; str = NULL) {
int include = 1;
int start, end;
char *ends = NULL;
char *starts = strtok_r(str, " ", &saveptr);
if (starts == NULL) {
break;
}
strtrim(starts);
int len = strlen(starts);
if(len == 0)
continue;
if (*starts == '^') {
starts++;
len--;
include = 0;
} else if(str) {
/* if first token is including, we unselect all targets */
memset(array, 0, count);
}
if(len > 1) {
/* check for range */
char *p;
if((p = strchr(starts + 1, '-'))) {
*p = 0;
ends = p + 1;
}
}
if(parseindex(starts, &start, 1, count) != 0)
return(-1);
if(!ends) {
array[start-1] = include;
} else {
int d;
if(parseindex(ends, &end, start, count) != 0) {
return(-1);
}
for(d = start; d <= end; d++) {
array[d-1] = include;
}
}
}
return(0);
}
int multiselect_question(char *array, int count)
{
char response[64];
FILE *stream;
if(config->noconfirm) {
stream = stdout;
} else {
/* Use stderr so questions are always displayed when redirecting output */
stream = stderr;
}
while(1) {
memset(array, 1, count);
fprintf(stream, "\n");
fprintf(stream, _("Enter a selection (default=all)"));
fprintf(stream, ": ");
if(config->noconfirm) {
fprintf(stream, "\n");
break;
}
if(fgets(response, sizeof(response), stdin)) {
strtrim(response);
if(strlen(response) > 0) {
if(multiselect_parse(array, count, response) == -1) {
/* only loop if user gave an invalid answer */
continue;
}
}
}
break;
}
return(0);
}
int select_question(int count)
{
char response[32];
FILE *stream;
int preset = 1;
if(config->noconfirm) {
stream = stdout;
} else {
/* Use stderr so questions are always displayed when redirecting output */
stream = stderr;
}
while(1) {
fprintf(stream, "\n");
fprintf(stream, _("Enter a number (default=%d)"), preset);
fprintf(stream, ": ");
if(config->noconfirm) {
fprintf(stream, "\n");
break;
}
if(fgets(response, sizeof(response), stdin)) {
strtrim(response);
if(strlen(response) > 0) {
int n;
if(parseindex(response, &n, 1, count) != 0)
continue;
return(n-1);
}
}
break;
}
return(preset-1);
}
/* presents a prompt and gets a Y/N answer */
static int question(short preset, char *fmt, va_list args)
{
char response[32];
FILE *stream;
if(config->noconfirm) {
stream = stdout;
} else {
/* Use stderr so questions are always displayed when redirecting output */
stream = stderr;
}
/* ensure all text makes it to the screen before we prompt the user */
fflush(stdout);
fflush(stderr);
vfprintf(stream, fmt, args);
if(preset) {
fprintf(stream, " %s ", _("[Y/n]"));
} else {
fprintf(stream, " %s ", _("[y/N]"));
}
if(config->noconfirm) {
fprintf(stream, "\n");
return(preset);
}
fflush(stream);
if(fgets(response, sizeof(response), stdin)) {
strtrim(response);
if(strlen(response) == 0) {
return(preset);
}
if(strcasecmp(response, _("Y")) == 0 || strcasecmp(response, _("YES")) == 0) {
return(1);
} else if (strcasecmp(response, _("N")) == 0 || strcasecmp(response, _("NO")) == 0) {
return(0);
}
}
return(0);
}
int yesno(char *fmt, ...)
{
int ret;
va_list args;
va_start(args, fmt);
ret = question(1, fmt, args);
va_end(args);
return(ret);
}
int noyes(char *fmt, ...)
{
int ret;
va_list args;
va_start(args, fmt);
ret = question(0, fmt, args);
va_end(args);
return(ret);
}
int pm_printf(pmloglevel_t level, const char *format, ...)
{
int ret;
va_list args;
/* print the message using va_arg list */
va_start(args, format);
ret = pm_vfprintf(stdout, level, format, args);
va_end(args);
return(ret);
}
int pm_fprintf(FILE *stream, pmloglevel_t level, const char *format, ...)
{
int ret;
va_list args;
/* print the message using va_arg list */
va_start(args, format);
ret = pm_vfprintf(stream, level, format, args);
va_end(args);
return(ret);
}
int pm_asprintf(char **string, const char *format, ...)
{
int ret = 0;
va_list args;
/* print the message using va_arg list */
va_start(args, format);
if(vasprintf(string, format, args) == -1) {
pm_fprintf(stderr, PM_LOG_ERROR, _("failed to allocate string\n"));
ret = -1;
}
va_end(args);
return(ret);
}
int pm_vasprintf(char **string, pmloglevel_t level, const char *format, va_list args)
{
int ret = 0;
char *msg = NULL;
/* if current logmask does not overlap with level, do not print msg */
if(!(config->logmask & level)) {
return ret;
}
/* print the message using va_arg list */
ret = vasprintf(&msg, format, args);
/* print a prefix to the message */
switch(level) {
case PM_LOG_ERROR:
pm_asprintf(string, _("error: %s"), msg);
break;
case PM_LOG_WARNING:
pm_asprintf(string, _("warning: %s"), msg);
break;
case PM_LOG_DEBUG:
pm_asprintf(string, "debug: %s", msg);
break;
case PM_LOG_FUNCTION:
pm_asprintf(string, "function: %s", msg);
break;
default:
pm_asprintf(string, "%s", msg);
break;
}
free(msg);
return(ret);
}
int pm_vfprintf(FILE *stream, pmloglevel_t level, const char *format, va_list args)
{
int ret = 0;
/* if current logmask does not overlap with level, do not print msg */
if(!(config->logmask & level)) {
return ret;
}
#if defined(PACMAN_DEBUG)
/* If debug is on, we'll timestamp the output */
if(config->logmask & PM_LOG_DEBUG) {
time_t t;
struct tm *tmp;
char timestr[10] = {0};
t = time(NULL);
tmp = localtime(&t);
strftime(timestr, 9, "%H:%M:%S", tmp);
timestr[8] = '\0';
printf("[%s] ", timestr);
}
#endif
/* print a prefix to the message */
switch(level) {
case PM_LOG_ERROR:
fprintf(stream, _("error: "));
break;
case PM_LOG_WARNING:
fprintf(stream, _("warning: "));
break;
case PM_LOG_DEBUG:
fprintf(stream, "debug: ");
break;
case PM_LOG_FUNCTION:
fprintf(stream, "function: ");
break;
default:
break;
}
/* print the message using va_arg list */
ret = vfprintf(stream, format, args);
return(ret);
}
#ifndef HAVE_STRNDUP
/* A quick and dirty implementation derived from glibc */
static size_t strnlen(const char *s, size_t max)
{
register const char *p;
for(p = s; *p && max--; ++p);
return(p - s);
}
char *strndup(const char *s, size_t n)
{
size_t len = strnlen(s, n);
char *new = (char *) malloc(len + 1);
if (new == NULL)
return NULL;
new[len] = '\0';
return (char *) memcpy(new, s, len);
}
#endif
2005-03-14 20:51:43 -05:00
/* vim: set ts=2 sw=2 noet: */