tyler.durden/icinga2
1
0
Fork 0
mirror of https://github.com/Icinga/icinga2.git synced 2025-10-31 19:24:25 +01:00
Code Issues Packages Projects Releases Wiki Activity

Merge pull request #5889 from Icinga/fix/execvpe-indention

Browse Source 
execvpe: Fixup indention for readability
This commit is contained in:
Gunnar Beutner 2017-12-20 07:53:55 +01:00 committed by GitHub
commit ae2793424f
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 93 additions and 93 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

186
third-party/execvpe/execvpe.c vendored
View File

@ -67,24 +67,24 @@ icinga2_execvpe (file, argv, envp)
execve (file, argv, envp);
if (errno == ENOEXEC)
{
/* Count the arguments. */
int argc = 0;
while (argv[argc++])
;
size_t len = (argc + 1) * sizeof (char *);
char **script_argv;
void *ptr = NULL;
script_argv = alloca (len);
{
/* Count the arguments. */
int argc = 0;
while (argv[argc++])
;
size_t len = (argc + 1) * sizeof (char *);
char **script_argv;
void *ptr = NULL;
script_argv = alloca (len);
if (script_argv != NULL)
{
scripts_argv (file, argv, argc, script_argv);
execve (script_argv[0], script_argv, envp);
if (script_argv != NULL)
{
scripts_argv (file, argv, argc, script_argv);
execve (script_argv[0], script_argv, envp);
free (ptr);
}
}
free (ptr);
}
}
}
else
{
@ -92,12 +92,12 @@ icinga2_execvpe (file, argv, envp)
size_t alloclen = 0;
char *path = getenv ("PATH");
if (path == NULL)
{
pathlen = confstr (_CS_PATH, (char *) NULL, 0);
alloclen = pathlen + 1;
}
{
pathlen = confstr (_CS_PATH, (char *) NULL, 0);
alloclen = pathlen + 1;
}
else
pathlen = strlen (path);
pathlen = strlen (path);
size_t len = strlen (file) + 1;
alloclen += pathlen + len + 1;
@ -106,14 +106,14 @@ icinga2_execvpe (file, argv, envp)
name = alloca (alloclen);
if (path == NULL)
{
/* There is no `PATH' in the environment.
The default search path is the current directory
followed by the path `confstr' returns for `_CS_PATH'. */
path = name + pathlen + len + 1;
path[0] = ':';
(void) confstr (_CS_PATH, path + 1, pathlen);
}
{
/* There is no `PATH' in the environment.
The default search path is the current directory
followed by the path `confstr' returns for `_CS_PATH'. */
path = name + pathlen + len + 1;
path[0] = ':';
(void) confstr (_CS_PATH, path + 1, pathlen);
}
/* Copy the file name at the top. */
name = (char *) memcpy (name + pathlen + 1, file, len);
@ -124,81 +124,81 @@ icinga2_execvpe (file, argv, envp)
bool got_eacces = false;
char *p = path;
do
{
char *startp;
{
char *startp;
path = p;
p = strchr (path, ':');
if (!p)
p = path + strlen(path);
path = p;
p = strchr (path, ':');
if (!p)
p = path + strlen(path);
if (p == path)
/* Two adjacent colons, or a colon at the beginning or the end
of `PATH' means to search the current directory. */
startp = name + 1;
else
startp = (char *) memcpy (name - (p - path), path, p - path);
if (p == path)
/* Two adjacent colons, or a colon at the beginning or the end
of `PATH' means to search the current directory. */
startp = name + 1;
else
startp = (char *) memcpy (name - (p - path), path, p - path);
/* Try to execute this name. If it works, execve will not return. */
execve (startp, argv, envp);
/* Try to execute this name. If it works, execve will not return. */
execve (startp, argv, envp);
if (errno == ENOEXEC)
{
if (script_argv == NULL)
{
/* Count the arguments. */
int argc = 0;
while (argv[argc++])
;
size_t arglen = (argc + 1) * sizeof (char *);
script_argv = alloca (arglen);
if (script_argv == NULL)
{
/* A possible EACCES error is not as important as
the ENOMEM. */
got_eacces = false;
break;
}
scripts_argv (startp, argv, argc, script_argv);
}
if (errno == ENOEXEC)
{
if (script_argv == NULL)
{
/* Count the arguments. */
int argc = 0;
while (argv[argc++])
;
size_t arglen = (argc + 1) * sizeof (char *);
script_argv = alloca (arglen);
if (script_argv == NULL)
{
/* A possible EACCES error is not as important as
the ENOMEM. */
got_eacces = false;
break;
}
scripts_argv (startp, argv, argc, script_argv);
}
execve (script_argv[0], script_argv, envp);
}
execve (script_argv[0], script_argv, envp);
}
switch (errno)
{
case EACCES:
/* Record the we got a `Permission denied' error. If we end
up finding no executable we can use, we want to diagnose
that we did find one but were denied access. */
got_eacces = true;
case ENOENT:
case ESTALE:
case ENOTDIR:
/* Those errors indicate the file is missing or not executable
by us, in which case we want to just try the next path
directory. */
case ENODEV:
case ETIMEDOUT:
/* Some strange filesystems like AFS return even
stranger error numbers. They cannot reasonably mean
anything else so ignore those, too. */
break;
switch (errno)
{
case EACCES:
/* Record the we got a `Permission denied' error. If we end
up finding no executable we can use, we want to diagnose
that we did find one but were denied access. */
got_eacces = true;
case ENOENT:
case ESTALE:
case ENOTDIR:
/* Those errors indicate the file is missing or not executable
by us, in which case we want to just try the next path
directory. */
case ENODEV:
case ETIMEDOUT:
/* Some strange filesystems like AFS return even
stranger error numbers. They cannot reasonably mean
anything else so ignore those, too. */
break;
default:
/* Some other error means we found an executable file, but
something went wrong executing it; return the error to our
caller. */
return -1;
}
}
default:
/* Some other error means we found an executable file, but
something went wrong executing it; return the error to our
caller. */
return -1;
}
}
while (*p++ != '\0');
/* We tried every element and none of them worked. */
if (got_eacces)
/* At least one failure was due to permissions, so report that
error. */
errno = EACCES;
/* At least one failure was due to permissions, so report that
error. */
errno = EACCES;
}
/* Return the error from the last attempt (probably ENOENT). */