1 /* parse_util.c - the opkg package management system
3 Copyright (C) 2009 Ubiq Technologies <graham.gower@gmail.com>
6 Copyright (C) 2002 Compaq Computer Corporation
8 This program is free software; you can redistribute it and/or
9 modify it under the terms of the GNU General Public License as
10 published by the Free Software Foundation; either version 2, or (at
11 your option) any later version.
13 This program is distributed in the hope that it will be useful, but
14 WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 General Public License for more details.
21 #include "opkg_utils.h"
22 #include "libbb/libbb.h"
24 #include "parse_util.h"
25 #include "pkg_parse.h"
28 is_field(const char *type, const char *line)
30 if (!strncmp(line, type, strlen(type)))
36 parse_simple(const char *type, const char *line)
38 char *field = trim_xstrdup(line + strlen(type) + 1);
39 if (strlen(field) == 0) {
47 * Parse a comma separated string into an array.
50 parse_list(const char *raw, unsigned int *count, const char sep, int skip_field)
52 char **depends = NULL;
53 const char *start, *end;
56 /* skip past the "Field:" marker */
58 while (*raw && *raw != ':')
63 if (line_is_blank(raw)) {
69 depends = xrealloc(depends, sizeof(char *) * (line_count + 1));
75 while (*raw != sep && *raw)
79 while (end > start && isspace(*end))
85 depends[line_count] = xstrndup(start, end-start);
97 parse_from_stream_nomalloc(parse_line_t parse_line, void *item, FILE *fp, uint mask,
98 char **buf0, size_t buf0len)
112 if (fgets(buf, (int)buflen, fp) == NULL) {
114 opkg_perror(ERROR, "fgets");
116 } else if (strlen(*buf0) == buf0len-1) {
117 opkg_msg(ERROR, "Missing new line character"
118 " at end of file!\n");
119 parse_line(item, *buf0, mask);
124 nl = strchr(buf, '\n');
126 if (strlen(buf) < buflen-1) {
128 * Line could be exactly buflen-1 long and
129 * missing a newline, but we won't know until
130 * fgets fails to read more data.
132 opkg_msg(ERROR, "Missing new line character"
133 " at end of file!\n");
134 parse_line(item, *buf0, mask);
137 if (buf0len >= EXCESSIVE_LINE_LEN) {
138 opkg_msg(ERROR, "Excessively long line at "
139 "%d. Corrupt file?\n",
146 * Realloc and point buf past the data already read,
147 * at the NULL terminator inserted by fgets.
148 * |<--------------- buf0len ----------------->|
149 * | |<------- buflen ---->|
150 * |---------------------|---------------------|
155 *buf0 = xrealloc(*buf0, buf0len);
156 buf = *buf0 + buflen -2;
165 if (parse_line(item, *buf0, mask))