]>
Commit | Line | Data |
---|---|---|
0a9064fb MY |
1 | /* |
2 | * Copyright (C) 2002-2005 Roman Zippel <zippel@linux-m68k.org> | |
3 | * Copyright (C) 2002-2005 Sam Ravnborg <sam@ravnborg.org> | |
4 | * | |
5 | * Released under the terms of the GNU GPL v2.0. | |
6 | */ | |
7 | ||
8 | #include <stdarg.h> | |
9 | #include <stdlib.h> | |
10 | #include <string.h> | |
11 | #include "lkc.h" | |
12 | ||
13 | /* file already present in list? If not add it */ | |
14 | struct file *file_lookup(const char *name) | |
15 | { | |
16 | struct file *file; | |
17 | const char *file_name = sym_expand_string_value(name); | |
18 | ||
19 | for (file = file_list; file; file = file->next) { | |
20 | if (!strcmp(name, file->name)) { | |
21 | free((void *)file_name); | |
22 | return file; | |
23 | } | |
24 | } | |
25 | ||
26 | file = xmalloc(sizeof(*file)); | |
27 | memset(file, 0, sizeof(*file)); | |
28 | file->name = file_name; | |
29 | file->next = file_list; | |
30 | file_list = file; | |
31 | return file; | |
32 | } | |
33 | ||
34 | /* write a dependency file as used by kbuild to track dependencies */ | |
35 | int file_write_dep(const char *name) | |
36 | { | |
37 | struct symbol *sym, *env_sym; | |
38 | struct expr *e; | |
39 | struct file *file; | |
40 | FILE *out; | |
41 | ||
42 | if (!name) | |
43 | name = ".kconfig.d"; | |
44 | out = fopen("..config.tmp", "w"); | |
45 | if (!out) | |
46 | return 1; | |
47 | fprintf(out, "deps_config := \\\n"); | |
48 | for (file = file_list; file; file = file->next) { | |
49 | if (file->next) | |
50 | fprintf(out, "\t%s \\\n", file->name); | |
51 | else | |
52 | fprintf(out, "\t%s\n", file->name); | |
53 | } | |
54 | fprintf(out, "\n%s: \\\n" | |
55 | "\t$(deps_config)\n\n", conf_get_autoconfig_name()); | |
56 | ||
57 | expr_list_for_each_sym(sym_env_list, e, sym) { | |
58 | struct property *prop; | |
59 | const char *value; | |
60 | ||
61 | prop = sym_get_env_prop(sym); | |
62 | env_sym = prop_get_symbol(prop); | |
63 | if (!env_sym) | |
64 | continue; | |
65 | value = getenv(env_sym->name); | |
66 | if (!value) | |
67 | value = ""; | |
68 | fprintf(out, "ifneq \"$(%s)\" \"%s\"\n", env_sym->name, value); | |
69 | fprintf(out, "%s: FORCE\n", conf_get_autoconfig_name()); | |
70 | fprintf(out, "endif\n"); | |
71 | } | |
72 | ||
73 | fprintf(out, "\n$(deps_config): ;\n"); | |
74 | fclose(out); | |
75 | rename("..config.tmp", name); | |
76 | return 0; | |
77 | } | |
78 | ||
79 | ||
80 | /* Allocate initial growable string */ | |
81 | struct gstr str_new(void) | |
82 | { | |
83 | struct gstr gs; | |
84 | gs.s = xmalloc(sizeof(char) * 64); | |
85 | gs.len = 64; | |
86 | gs.max_width = 0; | |
87 | strcpy(gs.s, "\0"); | |
88 | return gs; | |
89 | } | |
90 | ||
91 | /* Allocate and assign growable string */ | |
92 | struct gstr str_assign(const char *s) | |
93 | { | |
94 | struct gstr gs; | |
95 | gs.s = strdup(s); | |
96 | gs.len = strlen(s) + 1; | |
97 | gs.max_width = 0; | |
98 | return gs; | |
99 | } | |
100 | ||
101 | /* Free storage for growable string */ | |
102 | void str_free(struct gstr *gs) | |
103 | { | |
104 | if (gs->s) | |
105 | free(gs->s); | |
106 | gs->s = NULL; | |
107 | gs->len = 0; | |
108 | } | |
109 | ||
110 | /* Append to growable string */ | |
111 | void str_append(struct gstr *gs, const char *s) | |
112 | { | |
113 | size_t l; | |
114 | if (s) { | |
115 | l = strlen(gs->s) + strlen(s) + 1; | |
116 | if (l > gs->len) { | |
117 | gs->s = realloc(gs->s, l); | |
118 | gs->len = l; | |
119 | } | |
120 | strcat(gs->s, s); | |
121 | } | |
122 | } | |
123 | ||
124 | /* Append printf formatted string to growable string */ | |
125 | void str_printf(struct gstr *gs, const char *fmt, ...) | |
126 | { | |
127 | va_list ap; | |
128 | char s[10000]; /* big enough... */ | |
129 | va_start(ap, fmt); | |
130 | vsnprintf(s, sizeof(s), fmt, ap); | |
131 | str_append(gs, s); | |
132 | va_end(ap); | |
133 | } | |
134 | ||
135 | /* Retrieve value of growable string */ | |
136 | const char *str_get(struct gstr *gs) | |
137 | { | |
138 | return gs->s; | |
139 | } | |
140 | ||
141 | void *xmalloc(size_t size) | |
142 | { | |
143 | void *p = malloc(size); | |
144 | if (p) | |
145 | return p; | |
146 | fprintf(stderr, "Out of memory.\n"); | |
147 | exit(1); | |
148 | } | |
149 | ||
150 | void *xcalloc(size_t nmemb, size_t size) | |
151 | { | |
152 | void *p = calloc(nmemb, size); | |
153 | if (p) | |
154 | return p; | |
155 | fprintf(stderr, "Out of memory.\n"); | |
156 | exit(1); | |
157 | } |