Remove ucore_ prefix from headers and source files

src/salloc.c

@@ -0,0 +1,146 @@
+#include <stdlib.h>
+#include <string.h>
+#include <stddef.h>
+#include <stdint.h>
+#include "ucore/salloc.h"
+
+typedef struct Chunk Chunk;
+struct Chunk {
+	Chunk *next;
+	size_t firstfree; //index to the first free byte in this chunk
+    union data { //for alignment
+        long long ll;
+        void *p;
+        double d;
+        size_t sz;
+        int i;
+        char data[1];
+    } data;
+};
+
+struct SAlloc {
+	size_t chunksz; //data size of each chunk
+	Chunk *first;  //head of the chunk list
+	Chunk *current; 
+};
+
+static Chunk *
+add_chunk(SAlloc *p)
+{
+	Chunk *newchunk;
+
+	newchunk = malloc(sizeof *newchunk + p->chunksz - (sizeof *newchunk - offsetof(Chunk, data.data)));
+	if (newchunk == NULL)
+		return NULL;
+
+	if (p->current != NULL)
+		p->current->next = newchunk;
+
+	newchunk->next = NULL;
+	newchunk->firstfree = 0;
+
+	return newchunk;
+}
+
+static Chunk *
+next_chunk(SAlloc *p)
+{
+	Chunk *newchunk;
+
+	if (p->current->next) {
+		newchunk = p->current->next;
+		newchunk->firstfree = 0;
+	} else 
+		newchunk = add_chunk(p);
+
+	if (newchunk)
+		p->current = newchunk;
+
+	return newchunk;
+}
+
+SAlloc *
+uc_new_salloc(size_t chunksz)
+{
+	SAlloc *p;
+	Chunk *first;	
+	p = malloc(sizeof *p);
+	if (p == NULL)
+		return NULL;
+
+	p->chunksz = chunksz;
+	p->current = NULL;
+
+	if ((first = add_chunk(p)) == NULL) {
+		free(p);
+		return NULL;
+	}
+		
+	p->first = p->current = first;
+
+	return p;
+}
+
+void
+uc_reset_salloc(SAlloc *p)
+{
+	Chunk *tmp;
+
+	for(tmp = p->first; tmp; tmp = tmp->next)
+		tmp->firstfree = 0;
+
+	p->current = p->first;
+}
+
+void *
+uc_s_alloc(SAlloc *p,size_t sz)
+{
+	Chunk *chunk;
+	void *newmem;
+	
+	chunk = p->current;
+	if (chunk->firstfree + sz > p->chunksz) { 
+		if (sz > p->chunksz)
+			return NULL;
+
+		chunk = next_chunk(p);
+		if (chunk == NULL)
+			return NULL;
+	}
+	
+	newmem = &chunk->data.data[chunk->firstfree];
+	chunk->firstfree +=  sz;
+
+	return newmem;
+}
+
+void *
+uc_s_allocz(SAlloc *p,size_t sz)
+{
+    void *newmem = uc_s_alloc(p, sz);
+
+    if (newmem != NULL) 
+        memset(newmem, 0, sz);
+
+    return newmem;
+}
+
+static void 
+free_chunks(Chunk *chunk)
+{
+    Chunk *next;
+    
+    for (next = NULL; chunk != NULL; chunk = next) {
+        next = chunk->next;
+		free(chunk);
+    }
+}
+
+void
+uc_free_salloc(SAlloc *p)
+{
+	free_chunks(p->first);
+	free(p);
+
+}
+