src/java.base/share/native/libjli/jli_util.c

rev 12309 : 8027634: Support @argfiles for java command-line tool
Reviewed-by: ksrini, mchung

@@ -23,12 +23,11 @@
  * questions.
  */
 
 #include <stdio.h>
 #include <string.h>
-#include <jni.h>
-
+#include <stdarg.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.

@@ -117,5 +116,124 @@
 int
 JLI_StrCCmp(const char *s1, const char* s2)
 {
    return JLI_StrNCmp(s1, s2, JLI_StrLen(s2));
 }
+
+JLI_List
+JLI_List_new(int 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) {
+            int 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, int capacity)
+{
+    if (sl->capacity < capacity) {
+        while (sl->capacity < capacity)
+            sl->capacity *= 2;
+        sl->elements = JLI_MemRealloc(sl->elements,
+            sl->capacity * sizeof(sl->elements[0]));
+    }
+}
+
+void
+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)
+{
+    int i;
+    int size;
+    char *str;
+    char *p;
+    for (i = 0, size = 1; i < sl->size; i++)
+        size += (int)JLI_StrLen(sl->elements[i]);
+
+    str = JLI_MemAlloc(size);
+
+    for (i = 0, p = str; i < sl->size; i++) {
+        int len = (int)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)
+{
+    int i;
+    int size;
+    char *str;
+    char *p;
+    for (i = 0, size = 1; i < sl->size; i++)
+        size += (int)JLI_StrLen(sl->elements[i]) + 1;
+
+    str = JLI_MemAlloc(size);
+
+    for (i = 0, p = str; i < sl->size; i++) {
+        int len = (int)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;
+            }
+        }
+    }
+}