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/*
* util.c
*
* Copyright (c) 2002-2006 by Judd Vinet <jvinet@zeroflux.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., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
* USA.
*/
#if defined(__APPLE__) || defined(__OpenBSD__)
#include <sys/syslimits.h>
#include <sys/stat.h>
#endif
#include "config.h"
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include <errno.h>
#include <fcntl.h>
#include <ctype.h>
#include <dirent.h>
#include <unistd.h>
#include <libintl.h>
#ifdef CYGWIN
#include <limits.h> /* PATH_MAX */
#endif
/* pacman */
#include "util.h"
#include "list.h"
#include "conf.h"
#include "log.h"
extern int maxcols;
extern config_t *config;
extern int neednl;
/* gets the current screen column width */
int getcols()
{
const char *cenv = getenv("COLUMNS");
if(cenv != NULL) {
return atoi(cenv);
}
return -1;
}
/* does the same thing as 'mkdir -p' */
int makepath(char *path)
{
char *orig, *str, *ptr;
char full[PATH_MAX] = "";
mode_t oldmask;
oldmask = umask(0000);
orig = strdup(path);
str = orig;
while((ptr = strsep(&str, "/"))) {
if(strlen(ptr)) {
struct stat buf;
strcat(full, "/");
strcat(full, ptr);
if(stat(full, &buf)) {
if(mkdir(full, 0755)) {
free(orig);
umask(oldmask);
return(1);
}
}
}
}
free(orig);
umask(oldmask);
return(0);
}
/* does the same thing as 'rm -rf' */
int rmrf(char *path)
{
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);
}
if((dirp = opendir(path)) == (DIR *)-1) {
return(1);
}
for(dp = readdir(dirp); dp != NULL; dp = readdir(dirp)) {
if(dp->d_ino) {
char name[PATH_MAX];
sprintf(name, "%s/%s", path, dp->d_name);
if(strcmp(dp->d_name, "..") && strcmp(dp->d_name, ".")) {
errflag += rmrf(name);
}
}
}
closedir(dirp);
if(rmdir(path)) {
errflag++;
}
return(errflag);
}
return(0);
}
/* output a string, but wrap words properly with a specified indentation
*/
void indentprint(const char *str, int indent)
{
const char *p = str;
int cidx = indent;
while(*p) {
if(*p == ' ') {
const char *next = NULL;
int len;
p++;
if(p == NULL || *p == ' ') continue;
next = strchr(p, ' ');
if(next == NULL) {
next = p + strlen(p);
}
len = next - p;
if(len > (maxcols-cidx-1)) {
/* newline */
int i;
fprintf(stdout, "\n");
for(i = 0; i < indent; i++) {
fprintf(stdout, " ");
}
cidx = indent;
} else {
printf(" ");
cidx++;
}
}
fprintf(stdout, "%c", *p);
p++;
cidx++;
}
}
/* Condense a list of strings into one long (space-delimited) string
*/
char *buildstring(list_t *strlist)
{
char *str;
int size = 1;
list_t *lp;
for(lp = strlist; lp; lp = lp->next) {
size += strlen(lp->data) + 1;
}
str = (char *)malloc(size);
if(str == NULL) {
ERR(NL, _("failed to allocated %d bytes\n"), size);
}
str[0] = '\0';
for(lp = strlist; lp; lp = lp->next) {
strcat(str, lp->data);
strcat(str, " ");
}
/* shave off the last space */
str[strlen(str)-1] = '\0';
return(str);
}
/* Convert a string to uppercase
*/
char *strtoupper(char *str)
{
char *ptr = str;
while(*ptr) {
(*ptr) = toupper(*ptr);
ptr++;
}
return str;
}
/* Trim whitespace and newlines from a string
*/
char *strtrim(char *str)
{
char *pch = str;
while(isspace(*pch)) {
pch++;
}
if(pch != str) {
memmove(str, pch, (strlen(pch) + 1));
}
pch = (char *)(str + (strlen(str) - 1));
while(isspace(*pch)) {
pch--;
}
*++pch = '\0';
return str;
}
/* vim: set ts=2 sw=2 noet: */
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