X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=odr%2Fodr_mem.c;h=15721526e4ada9e599b733831983ff9dc0c00d53;hb=a19243ec18959150a30c63c521fc5b0af860ce18;hp=185b5814c62c0e7057a08f8eec9cb569923c06ee;hpb=d725e25e13a79b4b47d578580bd289b37f85c41c;p=yaz-moved-to-github.git diff --git a/odr/odr_mem.c b/odr/odr_mem.c index 185b581..1572152 100644 --- a/odr/odr_mem.c +++ b/odr/odr_mem.c @@ -1,10 +1,25 @@ /* - * Copyright (c) 1995, Index Data + * Copyright (c) 1995-1998, Index Data * See the file LICENSE for details. * Sebastian Hammer, Adam Dickmeiss * * $Log: odr_mem.c,v $ - * Revision 1.10 1995-10-25 16:58:19 quinn + * Revision 1.15 1999-03-31 11:18:25 adam + * Implemented odr_strdup. Added Reference ID to backend server API. + * + * Revision 1.14 1998/07/20 12:38:15 adam + * More LOG_DEBUG-diagnostics. + * + * Revision 1.13 1998/02/11 11:53:34 adam + * Changed code so that it compiles as C++. + * + * Revision 1.12 1995/11/08 17:41:33 quinn + * Smallish. + * + * Revision 1.11 1995/11/01 13:54:43 quinn + * Minor adjustments + * + * Revision 1.10 1995/10/25 16:58:19 quinn * Stupid bug in odr_malloc * * Revision 1.9 1995/10/13 16:08:08 quinn @@ -40,81 +55,16 @@ #include #include -#include +#include /* ------------------------ NIBBLE MEMORY ---------------------- */ -#define ODR_MEM_CHUNK (10*1024) - -typedef struct odr_memblock -{ - char *buf; - int size; - int top; - int total; - struct odr_memblock *next; -} odr_memblock; - -static odr_memblock *freelist = 0; /* global freelist */ - -static void free_block(odr_memblock *p) -{ - p->next = freelist; - freelist = p; -} - -/* - * acquire a block with a minimum of size free bytes. - */ -static odr_memblock *get_block(int size) -{ - odr_memblock *r, *l; - - for (r = freelist, l = 0; r; l = r, r = r->next) - if (r->size >= size) - break; - if (r) - if (l) - l->next = r->next; - else - freelist = r->next; - else - { - int get = ODR_MEM_CHUNK; - - if (get < size) - get = size; - if (!(r = malloc(sizeof(*r)))) - abort(); - if (!(r->buf = malloc(r->size = get))) - abort(); - } - r->top = 0; - r->total = 0; - return r; -} - -/* - * Return p to the global freelist. - */ -void odr_release_mem(ODR_MEM p) -{ - odr_memblock *t; - - while (p) - { - t = p; - p = p->next; - free_block(t); - } -} - /* * Extract the memory control block from o. */ -ODR_MEM odr_extract_mem(ODR o) +NMEM odr_extract_mem(ODR o) { - ODR_MEM r = o->mem; + NMEM r = o->mem; o->mem = 0; return r; @@ -122,36 +72,19 @@ ODR_MEM odr_extract_mem(ODR o) void *odr_malloc(ODR o, int size) { - struct odr_memblock *p; - char *r; + if (o && !o->mem) + o->mem = nmem_create(); + return nmem_malloc(o ? o->mem : 0, size); +} - if (!o) - { - if (!(r = malloc(size))) - abort(); - return r; - } - p = o->mem; - if (!p || p->size - p->top < size) - if (!(p = get_block(size))) - abort(); - else - { - if (o->mem) - p->total = o->mem->total; - p->next = o->mem; - o->mem = p; - } - r = p->buf + p->top; - /* align size */ - p->top += (size + (sizeof(long) - 1)) & ~(sizeof(long) - 1); - p->total += size; - return r; +char *odr_strdup(ODR o, const char *str) +{ + return nmem_strdup(o->mem, str); } int odr_total(ODR o) { - return o->mem ? o->mem->total : 0; + return o->mem ? nmem_total(o->mem) : 0; } /* ---------- memory management for data encoding ----------*/ @@ -169,9 +102,9 @@ int odr_grow_block(odr_ecblock *b, int min_bytes) togrow = b->size; if (togrow < min_bytes) togrow = min_bytes; - if (b->size && !(b->buf = realloc(b->buf, b->size += togrow))) + if (b->size && !(b->buf =(unsigned char *)xrealloc(b->buf, b->size += togrow))) abort(); - else if (!b->size && !(b->buf = malloc(b->size = togrow))) + else if (!b->size && !(b->buf = (unsigned char *)xmalloc(b->size = togrow))) abort(); #ifdef ODR_DEBUG fprintf(stderr, "New size for encode_buffer: %d\n", b->size);