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| 1 | /* |
| 2 | * libc.h - Component or module libraries |
| 3 | * |
| 4 | * Copyright 2012 by Werner Almesberger |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation; either version 2 of the License, or |
| 9 | * (at your option) any later version. |
| 10 | */ |
| 11 | |
| 12 | #define _GNU_SOURCE /* for strcasecmp */ |
| 13 | #include <stdlib.h> |
| 14 | #include <stdio.h> |
| 15 | #include <string.h> |
| 16 | #include <sys/types.h> |
| 17 | #include <dirent.h> |
| 18 | #include <assert.h> |
| 19 | |
| 20 | #include "util.h" |
| 21 | #include "libs.h" |
| 22 | |
| 23 | |
| 24 | const struct entry *lookup_sym(const struct lib *lib, const char *name) |
| 25 | { |
| 26 | const struct file *file; |
| 27 | const struct entry *e; |
| 28 | |
| 29 | for (file = lib->files; file; file = file->next) |
| 30 | for (e = file->entries; e; e = e->next) |
| 31 | if (!strcasecmp(e->names->s, name)) |
| 32 | return e; |
| 33 | return NULL; |
| 34 | } |
| 35 | |
| 36 | |
| 37 | void add_name(struct entry *e, char *s) |
| 38 | { |
| 39 | char *nl; |
| 40 | struct name **p; |
| 41 | |
| 42 | nl = strchr(s, '\n'); |
| 43 | if (nl) |
| 44 | *nl = 0; |
| 45 | for (p = &e->names; *p; p = &(*p)->next); |
| 46 | *p = alloc_type(struct name); |
| 47 | (*p)->s = stralloc(s); |
| 48 | (*p)->next = NULL; |
| 49 | } |
| 50 | |
| 51 | |
| 52 | struct entry *new_entry(struct lib *lib, int units) |
| 53 | { |
| 54 | struct entry *e; |
| 55 | |
| 56 | e = alloc_type(struct entry); |
| 57 | e->names = NULL; |
| 58 | e->units = units; |
| 59 | e->file = lib->files; |
| 60 | e->next = lib->files->entries; |
| 61 | lib->files->entries = e; |
| 62 | return e; |
| 63 | } |
| 64 | |
| 65 | |
| 66 | void add_lib(struct lib *lib, const char *path) |
| 67 | { |
| 68 | struct file *file; |
| 69 | |
| 70 | file = alloc_type(struct file); |
| 71 | file->path = stralloc(path); |
| 72 | file->entries = NULL; |
| 73 | file->lib = lib; |
| 74 | file->next = lib->files; |
| 75 | lib->files = file; |
| 76 | |
| 77 | lib->add_lib(lib, path); |
| 78 | } |
| 79 | |
| 80 | |
| 81 | void add_libdir(struct lib *lib, const char *path) |
| 82 | { |
| 83 | DIR *dir; |
| 84 | const struct dirent *de; |
| 85 | size_t len; |
| 86 | char *tmp; |
| 87 | |
| 88 | assert(strlen(lib->ext) == 4); |
| 89 | dir = opendir(path); |
| 90 | if (!dir) { |
| 91 | perror(path); |
| 92 | exit(1); |
| 93 | } |
| 94 | while (1) { |
| 95 | de = readdir(dir); |
| 96 | if (!de) |
| 97 | break; |
| 98 | if (strchr(de->d_name, '~')) |
| 99 | continue; |
| 100 | len = strlen(de->d_name); |
| 101 | if (len < 4) |
| 102 | continue; |
| 103 | if (strcmp(de->d_name+len-4, lib->ext)) |
| 104 | continue; |
| 105 | if (asprintf(&tmp, "%s/%s", path, de->d_name) < 0) { |
| 106 | perror("asprintf"); |
| 107 | exit(1); |
| 108 | } |
| 109 | add_lib(lib, tmp); |
| 110 | } |
| 111 | closedir(dir); |
| 112 | } |
| 113 |
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