Python code coverage for Python/getcwd.c

#	count	content
1	n/a
2	n/a	/* Two PD getcwd() implementations.
3	n/a	Author: Guido van Rossum, CWI Amsterdam, Jan 1991, <guido@cwi.nl>. */
4	n/a
5	n/a	#include <stdio.h>
6	n/a	#include <errno.h>
7	n/a
8	n/a	#ifdef HAVE_GETWD
9	n/a
10	n/a	/* Version for BSD systems -- use getwd() */
11	n/a
12	n/a	#ifdef HAVE_SYS_PARAM_H
13	n/a	#include <sys/param.h>
14	n/a	#endif
15	n/a
16	n/a	#ifndef MAXPATHLEN
17	n/a	#if defined(PATH_MAX) && PATH_MAX > 1024
18	n/a	#define MAXPATHLEN PATH_MAX
19	n/a	#else
20	n/a	#define MAXPATHLEN 1024
21	n/a	#endif
22	n/a	#endif
23	n/a
24	n/a	extern char getwd(char );
25	n/a
26	n/a	char *
27	n/a	getcwd(char *buf, int size)
28	n/a	{
29	n/a	char localbuf[MAXPATHLEN+1];
30	n/a	char *ret;
31	n/a
32	n/a	if (size <= 0) {
33	n/a	errno = EINVAL;
34	n/a	return NULL;
35	n/a	}
36	n/a	ret = getwd(localbuf);
37	n/a	if (ret != NULL && strlen(localbuf) >= (size_t)size) {
38	n/a	errno = ERANGE;
39	n/a	return NULL;
40	n/a	}
41	n/a	if (ret == NULL) {
42	n/a	errno = EACCES; /* Most likely error */
43	n/a	return NULL;
44	n/a	}
45	n/a	strncpy(buf, localbuf, size);
46	n/a	return buf;
47	n/a	}
48	n/a
49	n/a	#else /* !HAVE_GETWD */
50	n/a
51	n/a	/* Version for really old UNIX systems -- use pipe from pwd */
52	n/a
53	n/a	#ifndef PWD_CMD
54	n/a	#define PWD_CMD "/bin/pwd"
55	n/a	#endif
56	n/a
57	n/a	char *
58	n/a	getcwd(char *buf, int size)
59	n/a	{
60	n/a	FILE *fp;
61	n/a	char *p;
62	n/a	int sts;
63	n/a	if (size <= 0) {
64	n/a	errno = EINVAL;
65	n/a	return NULL;
66	n/a	}
67	n/a	if ((fp = popen(PWD_CMD, "r")) == NULL)
68	n/a	return NULL;
69	n/a	if (fgets(buf, size, fp) == NULL \|\| (sts = pclose(fp)) != 0) {
70	n/a	errno = EACCES; /* Most likely error */
71	n/a	return NULL;
72	n/a	}
73	n/a	for (p = buf; *p != '\n'; p++) {
74	n/a	if (*p == '\0') {
75	n/a	errno = ERANGE;
76	n/a	return NULL;
77	n/a	}
78	n/a	}
79	n/a	*p = '\0';
80	n/a	return buf;
81	n/a	}
82	n/a
83	n/a	#endif /* !HAVE_GETWD */