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e2df287aad
It is Undefined Behavior to declare errno (see NOTES in its manual page). Instead of using the errno dummy declaration, use one that doesn't need a comment. Signed-off-by: Alejandro Colomar <alx@kernel.org>
59 lines
1.6 KiB
C
59 lines
1.6 KiB
C
/* Author: Peter Vrabec <pvrabec@redhat.com> */
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#include <config.h>
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#ifdef USE_NSCD
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#include <stdio.h>
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#include <sys/wait.h>
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#include <sys/types.h>
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#include "exitcodes.h"
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#include "defines.h"
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#include "prototypes.h"
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#include "nscd.h"
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#include "shadowlog_internal.h"
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#define MSG_NSCD_FLUSH_CACHE_FAILED "%s: Failed to flush the nscd cache.\n"
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/*
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* nscd_flush_cache - flush specified service buffer in nscd cache
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*/
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int nscd_flush_cache (const char *service)
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{
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int status, code;
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const char *cmd = "/usr/sbin/nscd";
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const char *spawnedArgs[] = {"nscd", "-i", service, NULL};
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const char *spawnedEnv[] = {NULL};
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if (run_command (cmd, spawnedArgs, spawnedEnv, &status) != 0) {
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/* run_command writes its own more detailed message. */
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(void) fprintf (shadow_logfd, _(MSG_NSCD_FLUSH_CACHE_FAILED), shadow_progname);
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return -1;
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}
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code = WEXITSTATUS (status);
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if (!WIFEXITED (status)) {
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(void) fprintf (shadow_logfd,
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_("%s: nscd did not terminate normally (signal %d)\n"),
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shadow_progname, WTERMSIG (status));
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return -1;
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} else if (code == E_CMD_NOTFOUND) {
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/* nscd is not installed, or it is installed but uses an
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interpreter that is missing. Probably the former. */
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return 0;
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} else if (code == 1) {
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/* nscd is installed, but it isn't active. */
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return 0;
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} else if (code != 0) {
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(void) fprintf (shadow_logfd, _("%s: nscd exited with status %d\n"),
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shadow_progname, code);
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(void) fprintf (shadow_logfd, _(MSG_NSCD_FLUSH_CACHE_FAILED), shadow_progname);
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return -1;
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}
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return 0;
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}
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#else /* USE_NSCD */
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extern int ISO_C_forbids_an_empty_translation_unit;
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#endif /* USE_NSCD */
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