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Uemis downloader: better error reporting

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Tell the user if Subsurface can't write to the req.txt file.

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
This commit is contained in:
Dirk Hohndel 2015-04-30 15:33:16 -07:00
parent aee2055c14
commit f647e3cf1e
1 changed files with 6 additions and 0 deletions
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6
uemis-downloader.c
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@ -15,6 +15,7 @@
#include <stdio.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
#include "gettext.h"
#include "libdivecomputer.h"
@ -440,6 +441,11 @@ static bool uemis_get_answer(const char *path, char *request, int n_param_in,
int timeout = UEMIS_LONG_TIMEOUT;
reqtxt_file = subsurface_open(reqtxt_path, O_RDWR | O_CREAT, 0666);
if (reqtxt_file == -1) {
*error_text = "can't open req.txt";
fprintf(stderr, "open %s failed with errno %d\n", reqtxt_path, errno);
return false;
}
snprintf(sb, BUFLEN, "n%04d12345678", filenr);
str_append_with_delim(sb, request);
for (i = 0; i < n_param_in; i++)