mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
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31ae1eb5c8
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@5071 3c298f89-4303-0410-b956-a3cf2f4a3e73
85 lines
1.6 KiB
C
85 lines
1.6 KiB
C
/*
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* Copyright (C) 2002-2005 Roman Zippel <zippel@linux-m68k.org>
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* Copyright (C) 2002-2005 Sam Ravnborg <sam@ravnborg.org>
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*
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* Released under the terms of the GNU GPL v2.0.
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*/
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#include <string.h>
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#include "lkc.h"
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/* file already present in list? If not add it */
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struct file *file_lookup(const char *name)
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{
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struct file *file;
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for (file = file_list; file; file = file->next) {
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if (!strcmp(name, file->name))
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return file;
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}
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file = malloc(sizeof(*file));
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memset(file, 0, sizeof(*file));
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file->name = strdup(name);
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file->next = file_list;
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file_list = file;
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return file;
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}
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/* Allocate initial growable sting */
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struct gstr str_new(void)
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{
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struct gstr gs;
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gs.s = malloc(sizeof(char) * 64);
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gs.len = 16;
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strcpy(gs.s, "\0");
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return gs;
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}
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/* Allocate and assign growable string */
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struct gstr str_assign(const char *s)
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{
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struct gstr gs;
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gs.s = strdup(s);
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gs.len = strlen(s) + 1;
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return gs;
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}
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/* Free storage for growable string */
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void str_free(struct gstr *gs)
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{
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if (gs->s)
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free(gs->s);
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gs->s = NULL;
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gs->len = 0;
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}
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/* Append to growable string */
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void str_append(struct gstr *gs, const char *s)
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{
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size_t l = strlen(gs->s) + strlen(s) + 1;
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if (l > gs->len) {
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gs->s = realloc(gs->s, l);
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gs->len = l;
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}
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strcat(gs->s, s);
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}
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/* Append printf formatted string to growable string */
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void str_printf(struct gstr *gs, const char *fmt, ...)
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{
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va_list ap;
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char s[10000]; /* big enough... */
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va_start(ap, fmt);
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vsnprintf(s, sizeof(s), fmt, ap);
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str_append(gs, s);
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va_end(ap);
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}
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/* Retrieve value of growable string */
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const char *str_get(struct gstr *gs)
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{
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return gs->s;
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}
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