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/*******************************************************************/
/* slibtool: a skinny libtool implementation, written in C */
/* Copyright (C) 2016--2024 SysDeer Technologies, LLC */
/* Released under the Standard MIT License; see COPYING.SLIBTOOL. */
/*******************************************************************/
#include <fcntl.h>
#include <errno.h>
#include <unistd.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include <sys/mman.h>
#include <sys/stat.h>
#include "slibtool_driver_impl.h"
#include "slibtool_errinfo_impl.h"
#include "slibtool_mapfile_impl.h"
#include "slibtool_objlist_impl.h"
#include "slibtool_visibility_impl.h"
slbt_hidden int slbt_objlist_read(
int fdcwd,
struct slbt_obj_list * objlist)
{
struct slbt_map_info * mapinfo;
int objc;
char ** objv;
char * src;
char * dst;
char * mark;
int skip;
/* temporarily map the object list */
if (!(mapinfo = slbt_map_file(fdcwd,objlist->name,SLBT_MAP_INPUT)))
return -1;
/* object list, cautionary null termination, vector null termination */
objlist->size = mapinfo->size;
objlist->size++;
objlist->size++;
if (!(objlist->addr = calloc(1,objlist->size))) {
slbt_unmap_file(mapinfo);
return -1;
}
/* object list file to normalized object strings */
objc = 0;
skip = true;
for (src=mapinfo->addr,dst=objlist->addr; src<mapinfo->cap; src++) {
if (!*src || (*src==' ') || (*src=='\n') || (*src=='\r')) {
if (!skip)
*dst++ = 0;
skip = true;
} else {
*dst++ = *src;
objc += !!skip;
skip = false;
}
}
/* object vector */
objlist->objc = objc;
if (!(objlist->objv = calloc(++objc,sizeof(char *)))) {
free(objlist->addr);
slbt_unmap_file(mapinfo);
return -1;
}
for (objv=objlist->objv,mark=objlist->addr; *mark; objv++) {
*objv = mark;
mark += strlen(mark) + 1;
}
slbt_unmap_file(mapinfo);
return 0;
}
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