mirror of https://github.com/pygos/pkg-utils.git
74 lines
1.3 KiB
C
74 lines
1.3 KiB
C
#include "pack.h"
|
|
|
|
static const struct {
|
|
const char *name;
|
|
image_entry_t *(*handle)(input_file_t *f);
|
|
} line_hooks[] = {
|
|
{ "file", filelist_mkfile },
|
|
{ "dir", filelist_mkdir },
|
|
{ "slink", filelist_mkslink },
|
|
};
|
|
|
|
#define NUM_LINE_HOOKS (sizeof(line_hooks) / sizeof(line_hooks[0]))
|
|
|
|
image_entry_t *filelist_read(const char *filename)
|
|
{
|
|
image_entry_t *ent, *list = NULL;
|
|
input_file_t f;
|
|
size_t i, len;
|
|
char *ptr;
|
|
int ret;
|
|
|
|
if (open_file(&f, filename))
|
|
return NULL;
|
|
|
|
for (;;) {
|
|
ret = prefetch_line(&f);
|
|
if (ret < 0)
|
|
goto fail;
|
|
if (ret > 0)
|
|
break;
|
|
|
|
ptr = f.line;
|
|
|
|
for (i = 0; i < NUM_LINE_HOOKS; ++i) {
|
|
len = strlen(line_hooks[i].name);
|
|
|
|
if (strncmp(ptr, line_hooks[i].name, len) != 0)
|
|
continue;
|
|
if (!isspace(ptr[len]) && ptr[len] != '\0')
|
|
continue;
|
|
for (ptr += len; isspace(*ptr); ++ptr)
|
|
;
|
|
memmove(f.line, ptr, strlen(ptr) + 1);
|
|
break;
|
|
}
|
|
|
|
if (i == NUM_LINE_HOOKS) {
|
|
fprintf(stderr, "%s: %zu: unknown entry type\n",
|
|
f.filename, f.linenum);
|
|
goto fail;
|
|
}
|
|
|
|
ent = line_hooks[i].handle(&f);
|
|
if (ent == NULL)
|
|
goto fail;
|
|
|
|
ent->next = list;
|
|
list = ent;
|
|
}
|
|
|
|
if (list == NULL) {
|
|
fprintf(stderr, "%s: does not contain any entries\n",
|
|
f.filename);
|
|
goto fail;
|
|
}
|
|
|
|
cleanup_file(&f);
|
|
return list;
|
|
fail:
|
|
cleanup_file(&f);
|
|
image_entry_free_list(list);
|
|
return NULL;
|
|
}
|