#include "pkg_parse.h"
#include "libbb/libbb.h"
-static int
-is_field(const char *type, const char *line)
-{
- if (!strncmp(line, type, strlen(type)))
- return 1;
- return 0;
-}
-
-static char *
-parse_simple(const char *type, const char *line)
-{
- return trim_xstrdup(line + strlen(type) + 1);
-}
-
-/*
- * Parse a comma separated string into an array.
- */
-static char **
-parse_comma_separated(const char *raw, unsigned int *count)
-{
- char **depends = NULL;
- const char *start, *end;
- int line_count = 0;
-
- /* skip past the "Field:" marker */
- while (*raw && *raw != ':')
- raw++;
- raw++;
-
- if (line_is_blank(raw)) {
- *count = line_count;
- return NULL;
- }
-
- while (*raw) {
- depends = xrealloc(depends, sizeof(char *) * (line_count + 1));
-
- while (isspace(*raw))
- raw++;
-
- start = raw;
- while (*raw != ',' && *raw)
- raw++;
- end = raw;
-
- while (end > start && isspace(*end))
- end--;
-
- depends[line_count] = xstrndup(start, end-start);
-
- line_count++;
- if (*raw == ',')
- raw++;
- }
-
- *count = line_count;
- return depends;
-}
+#include "parse_util.h"
static void
parse_status(pkg_t *pkg, const char *sstr)
pkg->epoch= 0;
}
- pkg->version= xstrdup(vstr);
+ pkg->version = xstrdup(vstr);
pkg->revision = strrchr(pkg->version,'-');
if (pkg->revision)
return 0;
}
-static int
-pkg_parse_line(pkg_t *pkg, const char *line, uint mask)
+int
+pkg_parse_line(void *ptr, const char *line, uint mask)
{
+ pkg_t *pkg = (pkg_t *) ptr;
+
/* these flags are a bit hackish... */
static int reading_conffiles = 0, reading_description = 0;
int ret = 0;
goto dont_reset_flags;
}
else if ((mask & PFM_CONFLICTS) && is_field("Conflicts", line))
- pkg->conflicts_str = parse_comma_separated(line, &pkg->conflicts_count);
+ pkg->conflicts_str = parse_list(line, &pkg->conflicts_count, ',', 0);
break;
case 'D':
reading_description = 1;
goto dont_reset_flags;
} else if ((mask & PFM_DEPENDS) && is_field("Depends", line))
- pkg->depends_str = parse_comma_separated(line, &pkg->depends_count);
+ pkg->depends_str = parse_list(line, &pkg->depends_count, ',', 0);
break;
case 'E':
break;
case 'I':
- if ((mask && PFM_INSTALLED_SIZE) && is_field("Installed-Size", line)) {
+ if ((mask & PFM_INSTALLED_SIZE) && is_field("Installed-Size", line)) {
char *tmp = parse_simple("Installed-Size", line);
pkg->installed_size = strtoul(tmp, NULL, 0);
free (tmp);
- } else if ((mask && PFM_INSTALLED_TIME) && is_field("Installed-Time", line)) {
+ } else if ((mask & PFM_INSTALLED_TIME) && is_field("Installed-Time", line)) {
char *tmp = parse_simple("Installed-Time", line);
pkg->installed_time = strtoul(tmp, NULL, 0);
free (tmp);
- }
+ }
break;
case 'M':
- if (mask && PFM_MD5SUM) {
- if (is_field("MD5sum:", line))
- pkg->md5sum = parse_simple("MD5sum", line);
+ if ((mask & PFM_MD5SUM) && is_field("MD5sum:", line))
+ pkg->md5sum = parse_simple("MD5sum", line);
/* The old opkg wrote out status files with the wrong
* case for MD5sum, let's parse it either way */
- else if (is_field("MD5Sum:", line))
- pkg->md5sum = parse_simple("MD5Sum", line);
- } else if((mask & PFM_MAINTAINER) && is_field("Maintainer", line))
+ else if ((mask & PFM_MD5SUM) && is_field("MD5Sum:", line))
+ pkg->md5sum = parse_simple("MD5Sum", line);
+ else if((mask & PFM_MAINTAINER) && is_field("Maintainer", line))
pkg->maintainer = parse_simple("Maintainer", line);
break;
case 'P':
- if ((mask & PFM_PACKAGE) && is_field("Package", line))
+ if ((mask & PFM_PACKAGE) && is_field("Package", line))
pkg->name = parse_simple("Package", line);
else if ((mask & PFM_PRIORITY) && is_field("Priority", line))
pkg->priority = parse_simple("Priority", line);
else if ((mask & PFM_PROVIDES) && is_field("Provides", line))
- pkg->provides_str = parse_comma_separated(line, &pkg->provides_count);
+ pkg->provides_str = parse_list(line, &pkg->provides_count, ',', 0);
else if ((mask & PFM_PRE_DEPENDS) && is_field("Pre-Depends", line))
- pkg->pre_depends_str = parse_comma_separated(line, &pkg->pre_depends_count);
+ pkg->pre_depends_str = parse_list(line, &pkg->pre_depends_count, ',', 0);
break;
case 'R':
if ((mask & PFM_RECOMMENDS) && is_field("Recommends", line))
- pkg->recommends_str = parse_comma_separated(line, &pkg->recommends_count);
+ pkg->recommends_str = parse_list(line, &pkg->recommends_count, ',', 0);
else if ((mask & PFM_REPLACES) && is_field("Replaces", line))
- pkg->replaces_str = parse_comma_separated(line, &pkg->replaces_count);
+ pkg->replaces_str = parse_list(line, &pkg->replaces_count, ',', 0);
break;
else if ((mask & PFM_STATUS) && is_field("Status", line))
parse_status(pkg, line);
else if ((mask & PFM_SUGGESTS) && is_field("Suggests", line))
- pkg->suggests_str = parse_comma_separated(line, &pkg->suggests_count);
+ pkg->suggests_str = parse_list(line, &pkg->suggests_count, ',', 0);
break;
case 'T':
strcat(pkg->description, "\n");
strcat(pkg->description, (line));
goto dont_reset_flags;
- } else if ((mask && PFM_CONFFILES) && reading_conffiles) {
+ } else if ((mask & PFM_CONFFILES) && reading_conffiles) {
parse_conffiles(pkg, line);
goto dont_reset_flags;
}
return ret;
}
-int
-pkg_parse_from_stream_nomalloc(pkg_t *pkg, FILE *fp, uint mask,
- char **buf0, size_t buf0len)
-{
- int ret, lineno;
- char *buf, *nl;
- size_t buflen;
-
- lineno = 1;
- ret = 0;
-
- buflen = buf0len;
- buf = *buf0;
- buf[0] = '\0';
-
- while (1) {
- if (fgets(buf, (int)buflen, fp) == NULL) {
- if (ferror(fp)) {
- opkg_perror(ERROR, "fgets");
- ret = -1;
- } else if (strlen(*buf0) == buf0len-1) {
- opkg_msg(ERROR, "Missing new line character"
- " at end of file!\n");
- pkg_parse_line(pkg, *buf0, mask);
- }
- break;
- }
-
- nl = strchr(buf, '\n');
- if (nl == NULL) {
- if (strlen(buf) < buflen-1) {
- /*
- * Line could be exactly buflen-1 long and
- * missing a newline, but we won't know until
- * fgets fails to read more data.
- */
- opkg_msg(ERROR, "Missing new line character"
- " at end of file!\n");
- pkg_parse_line(pkg, *buf0, mask);
- break;
- }
- if (buf0len >= EXCESSIVE_LINE_LEN) {
- opkg_msg(ERROR, "Excessively long line at "
- "%d. Corrupt file?\n",
- lineno);
- ret = -1;
- break;
- }
-
- /*
- * Realloc and point buf past the data already read,
- * at the NULL terminator inserted by fgets.
- * |<--------------- buf0len ----------------->|
- * | |<------- buflen ---->|
- * |---------------------|---------------------|
- * buf0 buf
- */
- buflen = buf0len +1;
- buf0len *= 2;
- *buf0 = xrealloc(*buf0, buf0len);
- buf = *buf0 + buflen -2;
-
- continue;
- }
-
- *nl = '\0';
-
- lineno++;
-
- if (pkg_parse_line(pkg, *buf0, mask))
- break;
-
- buf = *buf0;
- buflen = buf0len;
- buf[0] = '\0';
- };
-
- if (pkg->name == NULL) {
- /* probably just a blank line */
- ret = 1;
- }
-
- return ret;
-}
-
int
pkg_parse_from_stream(pkg_t *pkg, FILE *fp, uint mask)
{
const size_t len = 4096;
buf = xmalloc(len);
- ret = pkg_parse_from_stream_nomalloc(pkg, fp, mask, &buf, len);
+ ret = parse_from_stream_nomalloc(pkg_parse_line, pkg, fp, mask, &buf, len);
free(buf);
+ if (pkg->name == NULL) {
+ /* probably just a blank line */
+ ret = 1;
+ }
+
return ret;
}
projects / project / opkg-lede.git / blobdiff