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slave: don't ignore write(3) errors

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Daniel Eklöf 2020-07-29 19:46:01 +02:00
parent aed5b9e539
commit 113759b0a9
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GPG key ID: 5BBD4992C116573F
1 changed files with 14 additions and 3 deletions
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17
slave.c
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@ -127,14 +127,20 @@ slave_exec(int ptmx, char *argv[], int err_fd, bool login_shell,
for (size_t i = 0; i < warning_count; i++) { for (size_t i = 0; i < warning_count; i++) {
switch (warnings[i].kind) { switch (warnings[i].kind) {
case USER_WARNING_DEPRECATION: case USER_WARNING_DEPRECATION:
write(pts, "\e[33;1;5mdeprecated:\e[39;21;25m ", 32); if (write(pts, "\e[33;1;5mdeprecated:\e[39;21;25m ", 32) < 0)
goto err;
} }
write(pts, warnings[i].text, strlen(warnings[i].text)); if (write(pts, warnings[i].text, strlen(warnings[i].text)) < 0 ||
write(pts, "\e[m\n", 4); write(pts, "\e[m\n", 4) < 0)
{
goto err;
}
free(warnings[i].text); free(warnings[i].text);
warnings[i].text = NULL;
} }
free(warnings); free(warnings);
warnings = NULL;
close(pts); close(pts);
pts = -1; pts = -1;
@ -161,6 +167,11 @@ err:
if (ptmx != -1) if (ptmx != -1)
close(ptmx); close(ptmx);
close(err_fd); close(err_fd);
for (size_t i = 0; i < warning_count; i++)
free(warnings[i].text);
free(warnings);
_exit(errno); _exit(errno);
} }