/*
* Copyright ( c ) 2005 , 2018 , Oracle and / or its affiliates . All rights reserved .
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER .
*
* This code is free software ; you can redistribute it and / or modify it
* under the terms of the GNU General Public License version 2 only , as
* published by the Free Software Foundation . Oracle designates this
* particular file as subject to the " Classpath " exception as provided
* by Oracle in the LICENSE file that accompanied this code .
*
* This code 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
* version 2 for more details ( a copy is included in the LICENSE file that
* accompanied this code ) .
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work ; if not , write to the Free Software Foundation ,
* Inc . , 51 Franklin St , Fifth Floor , Boston , MA 02110 - 1301 USA .
*
* Please contact Oracle , 500 Oracle Parkway , Redwood Shores , CA 94065 USA
* or visit www . oracle . com if you need additional information or have any
* questions .
*/
#include <stdio.h>
#include <string.h>
#include <stdarg.h>
#include "jni.h"
#include "jli_util.h"
/*
* Returns a pointer to a block of at least ' size ' bytes of memory .
* Prints error message and exits if the memory could not be allocated .
*/
JNIEXPORT void * JNICALL
JLI_MemAlloc(size_t size)
{
void *p = malloc(size);
if (p == 0 ) {
perror("malloc" );
exit (1 );
}
return p;
}
/*
* Equivalent to realloc ( size ) .
* Prints error message and exits if the memory could not be reallocated .
*/
void *
JLI_MemRealloc(void *ptr, size_t size)
{
void *p = realloc(ptr, size);
if (p == 0 ) {
perror("realloc" );
exit (1 );
}
return p;
}
/*
* Wrapper over strdup ( 3 C ) which prints an error message and exits if memory
* could not be allocated .
*/
JNIEXPORT char * JNICALL
JLI_StringDup(const char *s1)
{
char *s = strdup(s1);
if (s == NULL) {
perror("strdup" );
exit (1 );
}
return s;
}
/*
* Very equivalent to free ( ptr ) .
* Here to maintain pairing with the above routines .
*/
JNIEXPORT void JNICALL
JLI_MemFree(void *ptr)
{
free(ptr);
}
jboolean
JLI_HasSuffix(const char *s1, const char *s2)
{
char *p = JLI_StrRChr(s1, '.' );
if (p == NULL || *p == '\0' ) {
return JNI_FALSE;
}
return (JLI_StrCaseCmp(p, s2) == 0 );
}
/*
* debug helpers we use
*/
static jboolean _launcher_debug = JNI_FALSE;
void
JLI_TraceLauncher(const char * fmt, ...)
{
va_list vl;
if (_launcher_debug != JNI_TRUE) return ;
va_start(vl, fmt);
vprintf(fmt,vl);
va_end(vl);
fflush(stdout);
}
JNIEXPORT void JNICALL
JLI_SetTraceLauncher()
{
if (getenv(JLDEBUG_ENV_ENTRY) != 0 ) {
_launcher_debug = JNI_TRUE;
JLI_TraceLauncher("----%s----\n" , JLDEBUG_ENV_ENTRY);
}
}
jboolean
JLI_IsTraceLauncher()
{
return _launcher_debug;
}
int
JLI_StrCCmp(const char *s1, const char * s2)
{
return JLI_StrNCmp(s1, s2, JLI_StrLen(s2));
}
JNIEXPORT JLI_List JNICALL
JLI_List_new(size_t capacity)
{
JLI_List l = (JLI_List) JLI_MemAlloc(sizeof (struct JLI_List_));
l->capacity = capacity;
l->elements = (char **) JLI_MemAlloc(capacity * sizeof (l->elements[0 ]));
l->size = 0 ;
return l;
}
void
JLI_List_free(JLI_List sl)
{
if (sl) {
if (sl->elements) {
size_t i;
for (i = 0 ; i < sl->size; i++)
JLI_MemFree(sl->elements[i]);
JLI_MemFree(sl->elements);
}
JLI_MemFree(sl);
}
}
void
JLI_List_ensureCapacity(JLI_List sl, size_t capacity)
{
if (sl->capacity < capacity) {
while (sl->capacity < capacity)
sl->capacity *= 2 ;
sl->elements = JLI_MemRealloc(sl->elements,
sl->capacity * sizeof (sl->elements[0 ]));
}
}
JNIEXPORT void JNICALL
JLI_List_add(JLI_List sl, char *str)
{
JLI_List_ensureCapacity(sl, sl->size+1 );
sl->elements[sl->size++] = str;
}
void
JLI_List_addSubstring(JLI_List sl, const char *beg, size_t len)
{
char *str = (char *) JLI_MemAlloc(len+1 );
memcpy(str, beg, len);
str[len] = '\0' ;
JLI_List_ensureCapacity(sl, sl->size+1 );
sl->elements[sl->size++] = str;
}
char *
JLI_List_combine(JLI_List sl)
{
size_t i;
size_t size;
char *str;
char *p;
for (i = 0 , size = 1 ; i < sl->size; i++)
size += JLI_StrLen(sl->elements[i]);
str = JLI_MemAlloc(size);
for (i = 0 , p = str; i < sl->size; i++) {
size_t len = JLI_StrLen(sl->elements[i]);
memcpy(p, sl->elements[i], len);
p += len;
}
*p = '\0' ;
return str;
}
char *
JLI_List_join(JLI_List sl, char sep)
{
size_t i;
size_t size;
char *str;
char *p;
for (i = 0 , size = 1 ; i < sl->size; i++)
size += JLI_StrLen(sl->elements[i]) + 1 ;
str = JLI_MemAlloc(size);
for (i = 0 , p = str; i < sl->size; i++) {
size_t len = JLI_StrLen(sl->elements[i]);
if (i > 0 ) *p++ = sep;
memcpy(p, sl->elements[i], len);
p += len;
}
*p = '\0' ;
return str;
}
JLI_List
JLI_List_split(const char *str, char sep)
{
const char *p, *q;
size_t len = JLI_StrLen(str);
int count;
JLI_List sl;
for (count = 1 , p = str; p < str + len; p++)
count += (*p == sep);
sl = JLI_List_new(count);
for (p = str;;) {
for (q = p; q <= str + len; q++) {
if (*q == sep || *q == '\0' ) {
JLI_List_addSubstring(sl, p, q - p);
if (*q == '\0' )
return sl;
p = q + 1 ;
}
}
}
}
Messung V0.5 in Prozent C=95 H=90 G=92
¤ Dauer der Verarbeitung: 0.10 Sekunden
(vorverarbeitet am 2026-10-05)
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