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xfree86/parser: simplify #ifdef ladder

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Rather than 'hacking' around symbol names and providing macros such as
'Local' just fold things and make the code more readable.

Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Emil Velikov 2016-04-17 20:30:46 +01:00 committed by Adam Jackson
parent 537276a5b8
commit 577bebe206
1 changed files with 10 additions and 23 deletions
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33
hw/xfree86/parser/write.c
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@ -73,14 +73,7 @@
#define HAS_NO_UIDS
#endif
#ifdef HAS_NO_UIDS
#define doWriteConfigFile xf86writeConfigFile
#define Local /**/
#else
#define Local static
#endif
Local int
static int
doWriteConfigFile(const char *filename, XF86ConfigPtr cptr)
{
FILE *cf;
@ -134,24 +127,19 @@ doWriteConfigFile(const char *filename, XF86ConfigPtr cptr)
return 1;
}
#ifndef HAS_NO_UIDS
int
xf86writeConfigFile(const char *filename, XF86ConfigPtr cptr)
{
#ifndef HAS_NO_UIDS
int ret;
#if !defined(HAS_SAVED_IDS_AND_SETEUID)
int pid, p;
int status;
void (*csig) (int);
#else
int ruid, euid;
#endif
if (getuid() != geteuid()) {
#if !defined(HAS_SAVED_IDS_AND_SETEUID)
int pid, p;
int status;
void (*csig) (int);
/* Need to fork to change ruid without loosing euid */
csig = signal(SIGCHLD, SIG_DFL);
switch ((pid = fork())) {
@ -178,6 +166,7 @@ xf86writeConfigFile(const char *filename, XF86ConfigPtr cptr)
return 0;
#else /* HAS_SAVED_IDS_AND_SETEUID */
int ruid, euid;
ruid = getuid();
euid = geteuid();
@ -198,9 +187,7 @@ xf86writeConfigFile(const char *filename, XF86ConfigPtr cptr)
#endif /* HAS_SAVED_IDS_AND_SETEUID */
}
else {
return doWriteConfigFile(filename, cptr);
}
}
else
#endif /* !HAS_NO_UIDS */
return doWriteConfigFile(filename, cptr);
}