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#include <stdio.h>
#include <strings.h>
#include <stdlib.h>
#include <pwd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <dirent.h>
#include "config.h"
#include "support.h"
#define USRDIR ".ppxp"
char *usrPPxP, *sysPPxP;
char *
Strdup(char *org)
{
char *new;
if ((new = strdup(org)) == NULL) {
fprintf(stderr, "Strdup: memory allocation error!!\n");
exit(-1);
}
return(new);
}
void *
Malloc(size_t size)
{
void *p;
if ((p = malloc(size)) == NULL) {
fprintf(stderr, "Malloc: memory allocation error!!\n");
exit(-1);
}
return(p);
}
void *
Calloc(size_t num, size_t size)
{
void *p;
if ((p = calloc(num, size)) == NULL) {
fprintf(stderr, "memory allocation error!!\n");
exit(-1);
}
return(p);
}
void *
Realloc(char *org, size_t size)
{
char *new;
if ((new = realloc(org, size)) == NULL) {
fprintf(stderr, "Realloc: memory allocation error!!\n");
exit(-1);
}
return(new);
}
int
DecodeArgs(char *argv[], unsigned char *buf, int len, int max)
{
unsigned char *ep;
int argc = 0;
ep = buf + len;
max --;
while (buf < ep) {
argv[argc ++] = Strdup(buf);
buf += strlen(buf) + 1;
if (argc == max) break;
}
argv[argc] = NULL;
return(argc);
}
void
FreeArgs(int argc, char *argv[])
{
int a;
for (a = 0; a < argc; a ++) if (argv[a]) Free(argv[a]);
}
void
DirNameInit(uid_t uid)
{
if (usrPPxP) {
Free(usrPPxP);
usrPPxP = NULL;
}
if (uid) {
struct passwd *pw;
if ((pw = getpwuid(uid)) != NULL && pw->pw_dir) {
usrPPxP = Malloc(strlen(pw->pw_dir) + 1
+ sizeof(USRDIR) + 1);
sprintf(usrPPxP, "%s/"USRDIR, pw->pw_dir);
}
}
if (!sysPPxP) sysPPxP = Strdup(PPXPDIR);
}
struct list_s *
FileList(char *top, const char *name)
{
struct dirent *dir;
DIR *dp;
struct stat st;
char path[1024], *np;
struct list_s *lp, *hp=NULL;
sprintf(path, "%s/%s/", top, name);
np = path + strlen(path);
if ((dp = opendir(path)) == NULL) return(NULL);
while ((dir = readdir(dp)) != NULL) {
strcpy(np, dir->d_name);
if (!lstat(path, &st) && S_ISREG(st.st_mode)) {
lp = TCALLOC(struct list_s);
lp->name = Strdup(dir->d_name);
lp->data = Strdup(path);
lp->next = hp;
hp = lp;
}
}
closedir(dp);
return(hp);
}
struct list_s *
SortList(struct list_s *op)
{
struct list_s *hp, *lp, *lp0, *tp, *tpn;
int i, n;
hp = op;
tp = op->next;
hp->next = NULL;
while (tp) {
tpn = tp->next;
lp0 = NULL;
lp = hp;
while (lp) {
if (strcasecmp(tp->name, lp->name) < 0) break;
lp0 = lp;
lp = lp->next;
}
if (lp0) {
tp->next = lp0->next;
lp0->next = tp;
} else {
tp->next = hp;
hp = tp;
}
tp = tpn;
}
return(hp);
}
void
DestroyList(struct list_s *lp)
{
struct list_s *tp;
while (lp) {
if (lp->data) Free(lp->data);
if (lp->name) Free(lp->name);
tp = lp->next;
Free(lp);
lp = tp;
}
}
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