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dillo-zet
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Return search errors in HTML

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main
cel 5 years ago
parent 9d5a71da0e
commit 6092f321dd
Signed by: cel
GPG Key ID: C28D95BB012367EA
1 changed files with 30 additions and 36 deletions
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66
zet.dpi.c
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@ -234,6 +234,20 @@ static int dpi_respond_err(int fd, const char *fmt, ...) {
return rc;
}
static int html_error(int fd, const char *fmt, ...) {
int rc;
va_list ap;
int err = errno;
va_start(ap, fmt);
rc = write_buf(fd, "\n<strong>Error</strong>:\n");
rc |= vdprintf(fd, fmt, ap);
if (err != 0) rc |= dprintf(fd, ": %s", strerror(err));
if (rc < 0) warn("dprintf");
va_end(ap);
if (close(fd) < 0) warn("close");
return 0;
}
static char *zet_get_title_fd(int fd, char *buf, size_t len) {
if (fd < 0) return NULL;
int rc = read_some(fd, (unsigned char *)buf, &len);
@ -383,8 +397,6 @@ static int zet_search_close(struct zet_search *sz) {
static int dpi_serve_zet_all(int fd) {
int rc;
struct zet_search zs;
rc = zet_search_start(&zs, NULL, NULL);
if (rc < 0) return dpi_respond_err(fd, "Unable to list");
rc = dpi_send_header(fd, "text/html");
if (rc < 0) { warn("dpi_send_header"); close(fd); return 0; }
rc = dprintf(fd,
@ -394,19 +406,15 @@ static int dpi_serve_zet_all(int fd) {
"</head>"
"<body style=\"margin:0\">");
rc |= write_topbar(fd, PAGE_ALL, NULL, NULL);
rc |= write_buf(fd, "<ul>");
if (rc < 0) { warn("write"); close(fd); return 0; }
rc = zet_search_start(&zs, NULL, NULL);
if (rc < 0) return html_error(fd, "Unable to list");
rc = write_buf(fd, "<ul>");
if (rc < 0) { warn("write"); close(fd); return 0; }
const char *id;
while (1) {
rc = zet_search_next(&zs, &id);
if (rc < 0) {
rc = dprintf(fd,
"\n<strong>Error</strong>: %s\n",
strerror(errno));
if (rc < 0) warnx("dprintf");
close(fd);
return 0;
}
if (rc < 0) return html_error(fd, "Unable to search");
if (id == NULL) break;
char title_buf[128];
char *title = zet_get_title(id, title_buf, sizeof(title_buf));
@ -442,8 +450,6 @@ static int dpi_serve_zet_recent(int fd) {
int capacity = 0;
int count = 0;
struct zet_mtime *zets = NULL;
rc = zet_search_start(&zs, NULL, NULL);
if (rc < 0) return dpi_respond_err(fd, "Unable to list");
rc = dpi_send_header(fd, "text/html");
if (rc < 0) { warn("dpi_send_header"); goto cleanup; }
rc = dprintf(fd,
@ -453,6 +459,9 @@ static int dpi_serve_zet_recent(int fd) {
"</head>"
"<body style=\"margin:0\">");
rc |= write_topbar(fd, PAGE_RECENT, NULL, NULL);
if (rc < 0) { warn("write"); goto cleanup; }
rc = zet_search_start(&zs, NULL, NULL);
if (rc < 0) return html_error(fd, "Unable to list");
rc |= write_buf(fd, "<ul>");
if (rc < 0) { warn("write"); goto cleanup; }
const char *id;
@ -541,9 +550,6 @@ static int dpi_serve_zet_search(int fd, char *qs) {
query = query_unescaped;
}
rc = zet_search_start(&zs, NULL, query);
if (rc < 0) return dpi_respond_err(fd, "Unable to list");
rc = dpi_send_header(fd, "text/html");
if (rc < 0) { warn("dpi_send_header"); close(fd); return 0; }
rc = dprintf(fd,
@ -554,19 +560,15 @@ static int dpi_serve_zet_search(int fd, char *qs) {
"<body style=\"margin:0\">"
);
rc |= write_topbar(fd, PAGE_SEARCH, query, NULL);
rc |= write_buf(fd, "<ul>");
if (rc < 0) { warn("write"); close(fd); return 0; }
rc = zet_search_start(&zs, NULL, query);
if (rc < 0) return html_error(fd, "Unable to list");
rc = write_buf(fd, "<ul>");
if (rc < 0) { warn("write"); close(fd); return 0; }
const char *id;
while (1) {
rc = zet_search_next(&zs, &id);
if (rc < 0) {
rc = dprintf(fd,
"\n<strong>Error</strong>: %s\n",
strerror(errno));
if (rc < 0) warnx("dprintf");
close(fd);
return 0;
}
if (rc < 0) return html_error(fd, "Unable to search");
if (id == NULL) break;
char title_buf[128];
char *title = zet_get_title(id, title_buf, sizeof(title_buf));
@ -859,21 +861,13 @@ static int dpi_serve_zet(int fd, char *path) {
);
if (rc < 0) { warn("dpi_send_header"); close(fd); return 0; }
if (note_fd >= 0) rc = lseek(note_fd, 0, SEEK_SET);
if (rc < 0) {
rc = dprintf(fd, "\n<strong>Error</strong>: %s", strerror(errno));
if (rc < 0) warnx("dprintf");
close(fd);
}
if (rc < 0) return html_error(fd, "Unable to read file");
} else {
rc |= write_buf(fd, "<body>");
}
char *text = note_fd >= 0 ? read_full(note_fd) : NULL;
if (text == NULL) {
rc = dprintf(fd, "\n<strong>Error</strong>: %s", strerror(errno));
if (rc < 0) warnx("dprintf");
close(fd);
}
if (text == NULL) return html_error(fd, "Unable to read file");
struct sd_callbacks callbacks;
struct zet_renderopt options;
@ -912,7 +906,7 @@ static int dpi_serve_zet(int fd, char *path) {
struct zet_search zs;
bool first = true;
rc = zet_search_start(&zs, id, NULL);
if (rc < 0) warn("zet_search_start");
if (rc < 0) return html_error(fd, "Unable to list");
do {
const char *result_id;
rc = zet_search_next(&zs, &result_id);

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