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/*
* libtu/misc.c
*
* Copyright (c) Tuomo Valkonen 1999-2002.
*
* You may distribute and modify this library under the terms of either
* the Clarified Artistic License or the GNU LGPL, version 2.1 or later.
*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <ctype.h>
#include "misc.h"
#include "output.h"
void *malloczero(size_t size)
{
void *p=malloc(size);
if(p!=NULL)
memset(p, 0, size);
else
warn_err();
return p;
}
void *remalloczero(void *ptr, size_t oldsize, size_t newsize)
{
void *p=NULL;
if(newsize!=0){
p=realloc(ptr, newsize);
if(p==NULL){
warn_err();
return NULL;
}
if(newsize>oldsize)
memset((char*)p+oldsize, 0, newsize-oldsize);
}
return p;
}
char *scopyn(const char *p, size_t l)
{
char *pn=ALLOC_N(char, l+1);
if(pn==NULL)
return NULL;
memcpy(pn, p, l);
pn[l]='\0';
return pn;
}
char *scopy(const char *p)
{
size_t l=strlen(p);
return scopyn(p, l);
}
char *scat(const char *p1, const char *p2)
{
size_t l1, l2;
char*pn;
l1=strlen(p1);
l2=strlen(p2);
pn=ALLOC_N(char, l1+l2+1);
if(pn==NULL)
return NULL;
memcpy(pn, p1, l1);
memcpy(pn+l1, p2, l2+1);
return pn;
}
char *scat3(const char *p1, const char *p2, const char *p3)
{
size_t l1, l2, l3;
char *pn;
l1=strlen(p1);
l2=strlen(p2);
l3=strlen(p3);
pn=ALLOC_N(char, l1+l2+l3+1);
if(pn==NULL)
return NULL;
memcpy(pn, p1, l1);
memcpy(pn+l1, p2, l2);
memcpy(pn+l1+l2, p3, l3+1);
return pn;
}
char *scatn(const char *s1, ssize_t l1, const char *s2, ssize_t l2)
{
size_t tlen=1;
char *s;
if(l1<0)
l1=strlen(s1);
if(l2<0)
l2=strlen(s2);
tlen+=l1+l2;
s=ALLOC_N(char, tlen);
if(s==NULL)
return NULL;
memcpy(s, s1, l1);
memcpy(s+l1, s2, l2);
s[l1+l2]='\0';
return s;
}
/* */
const char *simple_basename(const char *name)
{
const char *p;
p=name+strlen(name)-1;
/* Skip any trailing slashes */
while(*p=='/'){
/* root? */
if(p==name)
return name;
p--;
}
while(p!=name){
if(*p=='/')
return p+1;
p--;
}
return name;
}
void stripws(char *p)
{
int l;
l=strspn(p, " ");
if(l!=0)
strcpy(p, p+l);
l=strlen(p);
while(--l>=0){
if(*(p+l)!=' ')
break;
}
*(p+l+1)='\0';
}
const char *libtu_strcasestr(const char *str, const char *ptn)
{
const char *s2, *p2;
for(; *str; str++) {
for(s2=str, p2=ptn; ; s2++, p2++) {
if(!*p2)
return str;
if(toupper(*s2)!=toupper(*p2))
break;
}
}
return NULL;
}
/* */
bool readf(FILE *f, void *buf, size_t n)
{
return fread(buf, 1, n, f)!=1;
}
bool writef(FILE *f, const void *buf, size_t n)
{
return fwrite(buf, 1, n, f)!=1;
}
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