diff options
Diffstat (limited to '')
| -rw-r--r-- | url.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/url.c b/url.c index 53fe271..21f946c 100644 --- a/url.c +++ b/url.c @@ -230,3 +230,47 @@ void urlCopyMatch(uint id, const char *str) { } } } + +static int writeString(FILE *file, const char *str) { + return (fwrite(str, strlen(str) + 1, 1, file) ? 0 : -1); +} +static ssize_t readString(FILE *file, char **buf, size_t *cap) { + ssize_t len = getdelim(buf, cap, '\0', file); + if (len < 0 && !feof(file)) err(EX_IOERR, "getdelim"); + return len; +} + +int urlSave(FILE *file) { + for (size_t i = 0; i < Cap; ++i) { + const struct URL *url = &ring.urls[(ring.len + i) % Cap]; + if (!url->url) continue; + int error = 0 + || writeString(file, idNames[url->id]) + || writeString(file, (url->nick ?: "")) + || writeString(file, url->url); + if (error) return error; + } + return writeString(file, ""); +} + +void urlLoad(FILE *file, size_t version) { + if (version < 5) return; + size_t cap = 0; + char *buf = NULL; + while (0 < readString(file, &buf, &cap) && buf[0]) { + struct URL *url = &ring.urls[ring.len++ % Cap]; + free(url->nick); + free(url->url); + url->id = idFor(buf); + url->nick = NULL; + readString(file, &buf, &cap); + if (buf[0]) { + url->nick = strdup(buf); + if (!url->nick) err(EX_OSERR, "strdup"); + } + readString(file, &buf, &cap); + url->url = strdup(buf); + if (!url->url) err(EX_OSERR, "strdup"); + } + free(buf); +} |