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/*
* Copyright 1996 Thierry Bousch
* Licensed under the Gnu Public License, Version 2
*
* $Id: util.c,v 1.4 1996/09/14 09:42:34 bousch Exp $
*
* Miscillaneous utility routines.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "saml-util.h"
void saml_panic (const char *msg)
{
write(2, "SAML panic: ", 12);
write(2, msg, strlen(msg));
write(2, "\n", 1);
abort();
}
void panic_out_of_memory (void)
{
saml_panic("out of memory");
}
/*
* Miscillaneous operations on growable strings
*/
#define INITIAL_GRS_LENGTH 100
gr_string* new_gr_string (size_t ilen)
{
gr_string *new;
if (ilen == 0)
ilen = INITIAL_GRS_LENGTH;
new = malloc(sizeof(gr_string) + ilen);
if (new == NULL)
panic_out_of_memory();
new->buflen = ilen;
new->len = 0;
return new;
}
gr_string* grs_append (gr_string* dest, const char* src, size_t slen)
{
int newsize;
if ((newsize = dest->len + slen) > dest->buflen) {
/* The size of the buffer will be at least doubled */
newsize += dest->buflen;
dest = realloc(dest, sizeof(gr_string) + newsize);
if (dest == NULL)
panic_out_of_memory();
dest->buflen = newsize;
}
memcpy(dest->s + dest->len, src, slen);
dest->len += slen;
return dest;
}
gr_string* grs_prepend (gr_string* dest, const char* src, size_t slen)
{
int newsize;
if ((newsize = dest->len + slen) > dest->buflen) {
/* The size of the buffer will be at least doubled */
newsize += dest->buflen;
dest = realloc(dest, sizeof(gr_string) + newsize);
if (dest == NULL)
panic_out_of_memory();
dest->buflen = newsize;
}
memmove(dest->s + slen, dest->s, dest->len);
memcpy(dest->s, src, slen);
dest->len += slen;
return dest;
}
gr_string* grs_prepend1 (gr_string* dest, char c)
{
return grs_prepend(dest, &c, 1);
}
gr_string* grs_append1 (gr_string* dest, char c)
{
return grs_append(dest, &c, 1);
}
char* u32toa (__u32 x)
{
static char s[32];
char *p;
p = &s[31]; *p = '\0';
do {
*--p = (x % 10) + '0';
x /= 10;
}
while (x != 0);
return p;
}
char* u64toa (__u64 x)
{
static char s[32];
char *p;
p = &s[31]; *p = '\0';
do {
*--p = (x % 10) + '0';
x /= 10;
}
while (x != 0);
return p;
}
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