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smbspool_krb5_wrapper: fix some error messages

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Make cups_smb_debug declaration printf-aware to
avoid picky warning about printf with variable
format string. This in turn revealed some formatting
errors.

Signed-off-by: Uri Simchoni <uri@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
This commit is contained in:
Uri Simchoni 2017-11-19 18:34:58 +00:00 committed by Andrew Bartlett
parent 80b4b53fba
commit 8efe057a87
1 changed files with 4 additions and 3 deletions
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7
source3/client/smbspool_krb5_wrapper.c
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@ -37,7 +37,8 @@ enum cups_smb_dbglvl_e {
CUPS_SMB_LOG_DEBUG = 0,
CUPS_SMB_LOG_ERROR,
};
static void cups_smb_debug(enum cups_smb_dbglvl_e lvl, const char *format, ...);
static void cups_smb_debug(enum cups_smb_dbglvl_e lvl, const char *format, ...)
PRINTF_ATTRIBUTE(2, 3);
#define CUPS_SMB_DEBUG(...) cups_smb_debug(CUPS_SMB_LOG_DEBUG, __VA_ARGS__)
#define CUPS_SMB_ERROR(...) cups_smb_debug(CUPS_SMB_LOG_DEBUG, __VA_ARGS__)
@ -166,7 +167,7 @@ int main(int argc, char *argv[])
CUPS_SMB_DEBUG("Switching to gid=%d", gid);
rc = setgid(gid);
if (rc != 0) {
CUPS_SMB_ERROR("Failed to switch to gid=%u",
CUPS_SMB_ERROR("Failed to switch to gid=%u - %s",
gid,
strerror(errno));
return CUPS_BACKEND_FAILED;
@ -175,7 +176,7 @@ int main(int argc, char *argv[])
CUPS_SMB_DEBUG("Switching to uid=%u", uid);
rc = setuid(uid);
if (rc != 0) {
CUPS_SMB_ERROR("Failed to switch to uid=%u",
CUPS_SMB_ERROR("Failed to switch to uid=%u - %s",
uid,
strerror(errno));
return CUPS_BACKEND_FAILED;