newlib-cygwin/newlib/libc/posix/execvp.c

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2008-10-31 Jeff Johnston <jjohnstn@redhat.com> * libc/include/limits.h: Add ARG_MAX, PATH_MAX, and _POSIX2_RE_DUP_MAX. * libc/include/envlock.h: New file. * libc/include/fnmatch.h: Ditto. * libc/include/glob.h: Ditto. * libc/include/regex.h: Ditto. * libc/include/wordexp.h: Ditto. * libc/posix/Makefile.am: Add new files moved from libc/sys/linux/stdlib. * libc/posix/Makefile.in: Regenerated. * libc/posix/COPYRIGHT: New file moved from libc/sys/linux/stdlib. * libc/posix/cclass.h: Ditto. * libc/posix/cname.h: Ditto. * libc/posix/collate.c: Ditto. * libc/posix/collate.h: Ditto. * libc/posix/collcmp.c: Ditto. * libc/posix/engine.c: Ditto. * libc/posix/fnmatch.3: Ditto. * libc/posix/glob.3: Ditto. * libc/posix/fnmatch.c: Ditto. * libc/posix/glob.c: Ditto. * libc/posix/namespace.h: Ditto. * libc/posix/reallocf.c: Ditto. * libc/posix/regcomp.c: Ditto. * libc/posix/regerror.c: Ditto. * libc/posix/regex.3: Ditto. * libc/posix/regex2.h: Ditto. * libc/posix/regexec.c: Ditto. * libc/posix/regfree.c: Ditto. * libc/posix/rune.h: Ditto. * libc/posix/runetype.h: Ditto. * libc/posix/scandir.c: Remove advertising clause which is not in effect. * libc/posix/sysexits.h: Ditto. * libc/posix/un-namespace.h: Ditto. * libc/posix/utils.h: Ditto. * libc/posix/wordexp.c: Ditto. * libc/posix/wordfree.c: Ditto. * libc/posix/execl.c: Add !_NO_EXECVE flag check. * libc/posix/execle.c: Ditto. * libc/posix/execlp.c: Ditto. * libc/posix/execv.c: Ditto. * libc/posix/execve.c: Ditto. * libc/posix/execvp.c: Ditto. * libc/posix/popen.c: Add !_NO_POPEN flag check. * libc/sys/linux/configure: Regenerated. * libc/sys/linux/configure.in: Remove stdlib. * libc/sys/linux/include/limits.h: Add include of linux/limits.h. * libc/sys/linux/stdlib/Makefile.am: Removed. * libc/sys/linux/stdlib/Makefile.in: Ditto. * libc/sys/linux/stdlib/COPYRIGHT: Moved to libc/posix. * libc/sys/linux/stdlib/cclass.h: Ditto. * libc/sys/linux/stdlib/cname.h: Ditto. * libc/sys/linux/stdlib/collate.c: Ditto. * libc/sys/linux/stdlib/collate.h: Ditto. * libc/sys/linux/stdlib/collcmp.c: Ditto. * libc/sys/linux/stdlib/engine.c: Ditto. * libc/sys/linux/stdlib/fnmatch.3: Ditto. * libc/sys/linux/stdlib/fnmatch.c: Ditto. * libc/sys/linux/stdlib/glob.3: Ditto. * libc/sys/linux/stdlib/glob.c: Ditto. * libc/sys/linux/stdlib/reallocf.c: Ditto. * libc/sys/linux/stdlib/regcomp.c: Ditto. * libc/sys/linux/stdlib/regerror.c: Ditto. * libc/sys/linux/stdlib/regex.3: Ditto. * libc/sys/linux/stdlib/regex2.h: Ditto. * libc/sys/linux/stdlib/regexec.c: Ditto. * libc/sys/linux/stdlib/regfree.c: Ditto. * libc/sys/linux/stdlib/utils.h: Ditto. * libc/sys/linux/stdlib/wordexp.c: Ditto. * libc/sys/linux/stdlib/wordfree.c: Ditto.
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#ifndef _NO_EXECVE
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/* execvp.c */
/* This and the other exec*.c files in this directory require
the target to provide the _execve syscall. */
#include <_ansi.h>
#include <stdlib.h>
#include <unistd.h>
#include <dirent.h>
#include <string.h>
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#include <errno.h>
#include <ctype.h>
#define PATH_DELIM ':'
/*
* Copy string, until c or <nul> is encountered.
* NUL-terminate the destination string (s1).
*/
static char *
_DEFUN (strccpy, (s1, s2, c),
char *s1 _AND
char *s2 _AND
char c)
{
char *dest = s1;
while (*s2 && *s2 != c)
*s1++ = *s2++;
*s1 = 0;
return dest;
}
int
_DEFUN (execvp, (file, argv),
_CONST char *file _AND
char * _CONST argv[])
{
char *path = getenv ("PATH");
char buf[MAXNAMLEN];
/* If $PATH doesn't exist, just pass FILE on unchanged. */
if (!path)
return execv (file, argv);
/* If FILE contains a directory, don't search $PATH. */
if (strchr (file, '/')
)
return execv (file, argv);
while (*path)
{
strccpy (buf, path, PATH_DELIM);
/* An empty entry means the current directory. */
if (*buf != 0 && buf[strlen(buf) - 1] != '/')
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strcat (buf, "/");
strcat (buf, file);
if (execv (buf, argv) == -1 && errno != ENOENT)
return -1;
while (*path && *path != PATH_DELIM)
path++;
if (*path == PATH_DELIM)
path++; /* skip over delim */
}
return -1;
}
2008-10-31 Jeff Johnston <jjohnstn@redhat.com> * libc/include/limits.h: Add ARG_MAX, PATH_MAX, and _POSIX2_RE_DUP_MAX. * libc/include/envlock.h: New file. * libc/include/fnmatch.h: Ditto. * libc/include/glob.h: Ditto. * libc/include/regex.h: Ditto. * libc/include/wordexp.h: Ditto. * libc/posix/Makefile.am: Add new files moved from libc/sys/linux/stdlib. * libc/posix/Makefile.in: Regenerated. * libc/posix/COPYRIGHT: New file moved from libc/sys/linux/stdlib. * libc/posix/cclass.h: Ditto. * libc/posix/cname.h: Ditto. * libc/posix/collate.c: Ditto. * libc/posix/collate.h: Ditto. * libc/posix/collcmp.c: Ditto. * libc/posix/engine.c: Ditto. * libc/posix/fnmatch.3: Ditto. * libc/posix/glob.3: Ditto. * libc/posix/fnmatch.c: Ditto. * libc/posix/glob.c: Ditto. * libc/posix/namespace.h: Ditto. * libc/posix/reallocf.c: Ditto. * libc/posix/regcomp.c: Ditto. * libc/posix/regerror.c: Ditto. * libc/posix/regex.3: Ditto. * libc/posix/regex2.h: Ditto. * libc/posix/regexec.c: Ditto. * libc/posix/regfree.c: Ditto. * libc/posix/rune.h: Ditto. * libc/posix/runetype.h: Ditto. * libc/posix/scandir.c: Remove advertising clause which is not in effect. * libc/posix/sysexits.h: Ditto. * libc/posix/un-namespace.h: Ditto. * libc/posix/utils.h: Ditto. * libc/posix/wordexp.c: Ditto. * libc/posix/wordfree.c: Ditto. * libc/posix/execl.c: Add !_NO_EXECVE flag check. * libc/posix/execle.c: Ditto. * libc/posix/execlp.c: Ditto. * libc/posix/execv.c: Ditto. * libc/posix/execve.c: Ditto. * libc/posix/execvp.c: Ditto. * libc/posix/popen.c: Add !_NO_POPEN flag check. * libc/sys/linux/configure: Regenerated. * libc/sys/linux/configure.in: Remove stdlib. * libc/sys/linux/include/limits.h: Add include of linux/limits.h. * libc/sys/linux/stdlib/Makefile.am: Removed. * libc/sys/linux/stdlib/Makefile.in: Ditto. * libc/sys/linux/stdlib/COPYRIGHT: Moved to libc/posix. * libc/sys/linux/stdlib/cclass.h: Ditto. * libc/sys/linux/stdlib/cname.h: Ditto. * libc/sys/linux/stdlib/collate.c: Ditto. * libc/sys/linux/stdlib/collate.h: Ditto. * libc/sys/linux/stdlib/collcmp.c: Ditto. * libc/sys/linux/stdlib/engine.c: Ditto. * libc/sys/linux/stdlib/fnmatch.3: Ditto. * libc/sys/linux/stdlib/fnmatch.c: Ditto. * libc/sys/linux/stdlib/glob.3: Ditto. * libc/sys/linux/stdlib/glob.c: Ditto. * libc/sys/linux/stdlib/reallocf.c: Ditto. * libc/sys/linux/stdlib/regcomp.c: Ditto. * libc/sys/linux/stdlib/regerror.c: Ditto. * libc/sys/linux/stdlib/regex.3: Ditto. * libc/sys/linux/stdlib/regex2.h: Ditto. * libc/sys/linux/stdlib/regexec.c: Ditto. * libc/sys/linux/stdlib/regfree.c: Ditto. * libc/sys/linux/stdlib/utils.h: Ditto. * libc/sys/linux/stdlib/wordexp.c: Ditto. * libc/sys/linux/stdlib/wordfree.c: Ditto.
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#endif /* !_NO_EXECVE */