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Code

Check return values from some syscalls and warn if they fail

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This commit is contained in:
David Leadbeater 2014-07-06 21:52:03 +01:00
parent 85d9fa1922
commit dac67a567d
3 changed files with 14 additions and 5 deletions
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4
src/core/commands.c
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@ -968,7 +968,9 @@ static void cmd_cd(const char *data)
if (*data == '\0') return; if (*data == '\0') return;
str = convert_home(data); str = convert_home(data);
chdir(str); if (chdir(str) != 0) {
g_warning("Failed to chdir(): %s", strerror(errno));
}
g_free(str); g_free(str);
} }

11
src/core/rawlog.c
View File

@ -102,10 +102,15 @@ void rawlog_redirect(RAWLOG_REC *rawlog, const char *str)
static void rawlog_dump(RAWLOG_REC *rawlog, int f) static void rawlog_dump(RAWLOG_REC *rawlog, int f)
{ {
GSList *tmp; GSList *tmp;
ssize_t ret = 1;
for (tmp = rawlog->lines; tmp != NULL; tmp = tmp->next) { for (tmp = rawlog->lines; ret && tmp != NULL; tmp = tmp->next) {
write(f, tmp->data, strlen((char *) tmp->data)); ret = write(f, tmp->data, strlen((char *) tmp->data));
write(f, "\n", 1); ret &= write(f, "\n", 1);
}
if (ret <= 0) {
g_warning("rawlog write() failed: %s", strerror(errno));
} }
} }

4
src/core/write-buffer.c
View File

@ -107,7 +107,9 @@ static int write_buffer_flush_rec(void *handlep, BUFFER_REC *rec)
for (tmp = rec->blocks; tmp != NULL; tmp = tmp->next) { for (tmp = rec->blocks; tmp != NULL; tmp = tmp->next) {
size = tmp->data != rec->active_block ? BUFFER_BLOCK_SIZE : size = tmp->data != rec->active_block ? BUFFER_BLOCK_SIZE :
rec->active_block_pos; rec->active_block_pos;
write(handle, tmp->data, size); if (write(handle, tmp->data, size) != size) {
g_warning("Failed to write(): %s", strerror(errno));
}
} }
empty_blocks = g_slist_concat(empty_blocks, rec->blocks); empty_blocks = g_slist_concat(empty_blocks, rec->blocks);