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conf: replace empty strings with NULL

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Avoid mixing empty strings with NULLs in configuration strings to make
the handling of default or disabled values consistent.
This commit is contained in:
Miroslav Lichvar
2020-05-20 16:20:43 +02:00
parent e555548dda
commit 60049f1551
5 changed files with 21 additions and 25 deletions
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10
main.c
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@@ -91,7 +91,7 @@ delete_pidfile(void)
{
const char *pidfile = CNF_GetPidFile();
if (!pidfile[0])
if (!pidfile)
return;
if (!UTI_RemoveFile(NULL, pidfile, NULL))
@@ -105,9 +105,7 @@ MAI_CleanupAndExit(void)
{
if (!initialised) exit(exit_status);
if (CNF_GetDumpDir()[0] != '\0') {
SRC_DumpSources();
}
SRC_DumpSources();
/* Don't update clock when removing sources */
REF_SetMode(REF_ModeIgnore);
@@ -261,7 +259,7 @@ check_pidfile(void)
FILE *in;
int pid, count;
if (!pidfile[0])
if (!pidfile)
return;
in = UTI_OpenFile(NULL, pidfile, NULL, 'r', 0);
@@ -289,7 +287,7 @@ write_pidfile(void)
const char *pidfile = CNF_GetPidFile();
FILE *out;
if (!pidfile[0])
if (!pidfile)
return;
out = UTI_OpenFile(NULL, pidfile, NULL, 'W', 0644);