63 lines
1.3 KiB
C
63 lines
1.3 KiB
C
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#include <stdlib.h>
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#include <merror.h>
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#include <string.h>
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#include <sys/stat.h>
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#include "link.h"
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static int load_objects(struct linker *linker)
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{
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linker->objects = malloc(sizeof(struct object) *
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linker->args->in_count);
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linker->obj_len = 0;
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if (linker->objects == NULL) {
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ERROR("cannot alloc");
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return M_ERROR;
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}
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for (int i = 0; i < linker->args->in_count; i++) {
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char *path = linker->args->in_files[i];
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struct object *obj = &linker->objects[linker->obj_len];
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// check for duplicate
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for (size_t j = 0; j < linker->obj_len; j++) {
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const char *dupname = linker->objects[j].name;
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struct stat st, st2;
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if (stat(path, &st) || stat(dupname, &st2))
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continue;
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if (st.st_ino == st2.st_ino)
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goto skip_obj;
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}
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// load obj file
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linker->obj_len++;
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if (object_load(obj, path))
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return M_ERROR;
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skip_obj:
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}
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return M_SUCCESS;
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}
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static void linker_free(struct linker *linker)
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{
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if (linker->objects != NULL) {
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for (size_t i = 0; i < linker->obj_len; i++)
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object_free(&linker->objects[i]);
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free(linker->objects);
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}
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}
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int link_files(struct linker_arguments args) {
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struct linker linker;
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linker.args = &args;
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int res = M_SUCCESS;
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if (res == M_SUCCESS)
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res = load_objects(&linker);
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linker_free(&linker);
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return res;
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}
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