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picview/png, my_popen: fix -Wclobbered warnings

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Origin commit data
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Branch: ni/coolstream
Commit: 283a6c30eb
Author: Stefan Seyfried <seife@tuxbox-git.slipkontur.de>
Date: 2015-01-26 (Mon, 26 Jan 2015)


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Stefan Seyfried
2015-01-26 19:30:23 +01:00
parent 06a7d16bf8
commit dd41d82ef5
2 changed files with 6 additions and 3 deletions
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6
src/system/helpers.cpp
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@@ -4,7 +4,7 @@
License: GPL
(C) 2012-2013 the neutrino-hd developers
(C) 2012,2013 Stefan Seyfried
(C) 2012-2015 Stefan Seyfried
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
@@ -112,7 +112,7 @@ int my_system(const char * cmd)
int my_system(int argc, const char *arg, ...)
{
int i = 0, ret = 0, childExit = 0;
int i = 0, ret, childExit = 0;
#define ARGV_MAX 64
/* static right now but could be made dynamic if necessary */
int argv_max = ARGV_MAX;
@@ -143,6 +143,7 @@ int my_system(int argc, const char *arg, ...)
ret = -errno;
break;
case 0: /* child process */
ret = 0;
for(i = 3; i < maxfd; i++)
close(i);
if (setsid() == -1)
@@ -155,6 +156,7 @@ int my_system(int argc, const char *arg, ...)
}
_exit(ret); // terminate c h i l d proces s only
default: /* parent returns to calling process */
ret = 0;
waitpid(pid, &childExit, 0);
if (WEXITSTATUS(childExit) != 0)
ret = (signed char)WEXITSTATUS(childExit);