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Allow verbose logging to be directed to a file

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This commit is contained in:
Vincent Sanders 2015-05-29 16:14:42 +01:00
parent 20d29c0537
commit 4324bf535f
1 changed files with 34 additions and 1 deletions
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35
utils/log.c
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@ -26,8 +26,12 @@
#include "utils/log.h"
/** flag to enable verbose logging */
bool verbose_log = false;
/** The stream to which logging is sent */
static FILE *logf;
nserror nslog_init(nslog_ensure_t *ensure, int *pargc, char **argv)
{
nserror ret = NSERROR_OK;
@ -37,6 +41,11 @@ nserror nslog_init(nslog_ensure_t *ensure, int *pargc, char **argv)
(argv[1][1] == 'v') &&
(argv[1][2] == 0)) {
int argcmv;
/* verbose logging to stderr */
logf = stderr;
/* remove -v from argv list */
for (argcmv = 2; argcmv < (*pargc); argcmv++) {
argv[argcmv - 1] = argv[argcmv];
}
@ -44,12 +53,36 @@ nserror nslog_init(nslog_ensure_t *ensure, int *pargc, char **argv)
/* ensure we actually show logging */
verbose_log = true;
} else if (((*pargc) > 2) &&
(argv[1][0] == '-') &&
(argv[1][1] == 'V') &&
(argv[1][2] == 0)) {
int argcmv;
/* verbose logging to file */
logf = fopen(argv[2], "a+");
/* remove -V and filename from argv list */
for (argcmv = 3; argcmv < (*pargc); argcmv++) {
argv[argcmv - 1] = argv[argcmv];
}
(*pargc)--;
if (logf == NULL) {
/* could not open log file for output */
ret = NSERROR_NOT_FOUND;
verbose_log = false;
} else {
/* ensure we actually show logging */
verbose_log = true;
}
}
/* ensure output file handle is correctly configured */
if ((verbose_log == true) &&
(ensure != NULL) &&
(ensure(stderr) == false)) {
(ensure(logf) == false)) {
/* failed to ensure output configuration */
ret = NSERROR_INIT_FAILED;
verbose_log = false;