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"
27 int is_field(const char *type, const char *line)
29 if (!strncmp(line, type, strlen(type)))
34 char *parse_simple(const char *type, const char *line)
36 char *field = trim_xstrdup(line + strlen(type) + 1);
37 if (strlen(field) == 0) {
45 * Parse a comma separated string into an array.
47 char **parse_list(const char *raw, unsigned int *count, const char sep,
50 char **depends = NULL;
51 const char *start, *end;
54 /* skip past the "Field:" marker */
56 while (*raw && *raw != ':')
61 if (line_is_blank(raw)) {
67 depends = xrealloc(depends, sizeof(char *) * (line_count + 1));
73 while (*raw != sep && *raw)
77 while (end > start && isspace(*end))
83 depends[line_count] = xstrndup(start, end - start);
95 parse_from_stream_nomalloc(parse_line_t parse_line, void *item, FILE * fp,
96 uint mask, char **buf0, size_t buf0len)
110 if (fgets(buf, (int)buflen, fp) == NULL) {
112 opkg_perror(ERROR, "fgets");
114 } else if (strlen(*buf0) == buf0len - 1) {
115 opkg_msg(ERROR, "Missing new line character"
116 " at end of file!\n");
117 parse_line(item, *buf0, mask);
122 nl = strchr(buf, '\n');
124 if (strlen(buf) < buflen - 1) {
126 * Line could be exactly buflen-1 long and
127 * missing a newline, but we won't know until
128 * fgets fails to read more data.
130 opkg_msg(ERROR, "Missing new line character"
131 " at end of file!\n");
132 parse_line(item, *buf0, mask);
135 if (buf0len >= EXCESSIVE_LINE_LEN) {
136 opkg_msg(ERROR, "Excessively long line at "
137 "%d. Corrupt file?\n", lineno);
143 * Realloc and point buf past the data already read,
144 * at the NULL terminator inserted by fgets.
145 * |<--------------- buf0len ----------------->|
146 * | |<------- buflen ---->|
147 * |---------------------|---------------------|
150 buflen = buf0len + 1;
152 *buf0 = xrealloc(*buf0, buf0len);
153 buf = *buf0 + buflen - 2;
162 if (parse_line(item, *buf0, mask))