/* Read a packing list from a file */
void
read_plist(Package *pkg, FILE *fp)
{
char *cp, pline[FILENAME_MAX];
int cmd, major, minor;
pkg->fmtver_maj = 1;
pkg->fmtver_mnr = 0;
pkg->origin = NULL;
while (fgets(pline, FILENAME_MAX, fp)) {
int len = strlen(pline);
while (len && isspace(pline[len - 1]))
pline[--len] = '\0';
if (!len)
continue;
cp = pline;
if (pline[0] != CMD_CHAR) {
cmd = PLIST_FILE;
goto bottom;
}
cmd = plist_cmd(pline + 1, &cp);
if (cmd == FAIL) {
warnx("%s: unknown command '%s' (package tools out of date?)",
__func__, pline);
goto bottom;
}
if (*cp == '\0') {
cp = NULL;
if (cmd == PLIST_PKGDEP) {
warnx("corrupted record for package %s (pkgdep line without "
"argument), ignoring", pkg->name);
cmd = FAIL;
}
goto bottom;
}
if (cmd == PLIST_COMMENT && sscanf(cp, "PKG_FORMAT_REVISION:%d.%d\n",
&major, &minor) == 2) {
pkg->fmtver_maj = major;
pkg->fmtver_mnr = minor;
if (verscmp(pkg, PLIST_FMT_VER_MAJOR, PLIST_FMT_VER_MINOR) <= 0)
goto bottom;
warnx("plist format revision (%d.%d) is higher than supported"
"(%d.%d)", pkg->fmtver_maj, pkg->fmtver_mnr,
PLIST_FMT_VER_MAJOR, PLIST_FMT_VER_MINOR);
if (pkg->fmtver_maj > PLIST_FMT_VER_MAJOR) {
cleanup(0);
exit(2);
}
}
bottom:
add_plist(pkg, cmd, cp);
}
}
/*
* Parse a packaging list from a memory buffer.
*/
void
parse_plist(package_t *pkg, const char *buf)
{
int cmd;
char *line, *cp;
const char *eol, *next;
size_t len;
pkg->head = NULL;
pkg->tail = NULL;
for (; *buf; buf = next) {
/* Until add_plist can deal with trailing whitespace. */
if ((eol = strchr(buf, '\n')) != NULL) {
next = eol + 1;
len = eol - buf;
} else {
len = strlen(buf);
next = buf + len;
}
while (len && isspace((unsigned char)buf[len - 1]))
--len;
if (len == 0)
continue;
line = xmalloc(len + 1);
memcpy(line, buf, len);
line[len] = '\0';
if (*(cp = line) == CMD_CHAR) {
if ((cmd = plist_cmd(line + 1, &cp)) == FAIL) {
warnx("Unrecognised PLIST command `%s'", line);
continue;
}
if (*cp == '\0') {
free(cp);
cp = NULL;
}
} else {
cmd = PLIST_FILE;
}
add_plist(pkg, cmd, cp);
free(cp);
}
}
/*
* Read a packing list from a file
*/
void
append_plist(package_t *pkg, FILE * fp)
{
char pline[MaxPathSize];
char *cp;
int cmd;
int len;
int free_cp;
while (fgets(pline, MaxPathSize, fp) != (char *) NULL) {
for (len = strlen(pline); len &&
isspace((unsigned char) pline[len - 1]);) {
pline[--len] = '\0';
}
if (len == 0) {
continue;
}
free_cp = 0;
if (*(cp = pline) == CMD_CHAR) {
if ((cmd = plist_cmd(pline + 1, &cp)) == FAIL) {
warnx("Unrecognised PLIST command `%s'", pline);
continue;
}
if (*cp == '\0') {
free(cp);
cp = NULL;
}
free_cp = 1;
} else {
cmd = PLIST_FILE;
}
add_plist(pkg, cmd, cp);
if (free_cp)
free(cp);
}
}
