Merge patches sent by Robert P. J. Day <rpjday@mindspring.com>.
Warning: the buildroot folks purposedly removed the skip-comment patch but didn't really said why. Keeping it for the sake of having it in svn just in case (removing it will be easier thant not having it at all).
2 * Copyright (C) 2002-2005 Roman Zippel <zippel@linux-m68k.org>
3 * Copyright (C) 2002-2005 Sam Ravnborg <sam@ravnborg.org>
5 * Released under the terms of the GNU GPL v2.0.
11 /* file already present in list? If not add it */
12 struct file *file_lookup(const char *name)
16 for (file = file_list; file; file = file->next) {
17 if (!strcmp(name, file->name))
21 file = malloc(sizeof(*file));
22 memset(file, 0, sizeof(*file));
23 file->name = strdup(name);
24 file->next = file_list;
29 /* write a dependency file as used by kbuild to track dependencies */
30 int file_write_dep(const char *name)
37 out = fopen("..config.tmp", "w");
40 fprintf(out, "deps_config := \\\n");
41 for (file = file_list; file; file = file->next) {
43 fprintf(out, "\t%s \\\n", file->name);
45 fprintf(out, "\t%s\n", file->name);
47 fprintf(out, "\ninclude/config/auto.conf: \\\n"
48 "\t$(deps_config)\n\n"
49 "$(deps_config): ;\n");
51 rename("..config.tmp", name);
56 /* Allocate initial growable sting */
57 struct gstr str_new(void)
60 gs.s = malloc(sizeof(char) * 64);
66 /* Allocate and assign growable string */
67 struct gstr str_assign(const char *s)
71 gs.len = strlen(s) + 1;
75 /* Free storage for growable string */
76 void str_free(struct gstr *gs)
84 /* Append to growable string */
85 void str_append(struct gstr *gs, const char *s)
87 size_t l = strlen(gs->s) + strlen(s) + 1;
89 gs->s = realloc(gs->s, l);
95 /* Append printf formatted string to growable string */
96 void str_printf(struct gstr *gs, const char *fmt, ...)
99 char s[10000]; /* big enough... */
101 vsnprintf(s, sizeof(s), fmt, ap);
106 /* Retrieve value of growable string */
107 const char *str_get(struct gstr *gs)