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Add a safe wrapper for write and fix some warnings

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1. Add a function writeall and make swrite wrap that function. Use either writeall or swrite, depending on whether we want to exit on errors or not.
2. Fix warnings when compiling with a higher optimisation level.
(CFLAGS ?= -pipe -O3 -march=native -mtune=native -freorder-blocks-and-partition)

Signed-off-by: hwangcc <hwangcc@csie.nctu.edu.tw>
This commit is contained in:
hwangcc
2015-03-24 20:57:06 +08:00
parent 822cd3bf1b
commit 42515308e7
12 changed files with 90 additions and 80 deletions
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13
i3bar/src/ipc.c
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@ -296,18 +296,7 @@ int i3_send_msg(uint32_t type, const char *payload) {
if (payload != NULL)
strncpy(walk, payload, len);
uint32_t written = 0;
while (to_write > 0) {
int n = write(i3_connection->fd, buffer + written, to_write);
if (n == -1) {
ELOG("write() failed: %s\n", strerror(errno));
exit(EXIT_FAILURE);
}
to_write -= n;
written += n;
}
swrite(i3_connection->fd, buffer, to_write);
FREE(buffer);