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fix get_current_dir_name behavior

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This commit is contained in:
Rich Felker 2012-02-17 23:56:28 -05:00
commit f96eb335e1
1 changed files with 6 additions and 2 deletions
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8
src/misc/get_current_dir_name.c
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@ -2,11 +2,15 @@
#include <string.h> #include <string.h>
#include <limits.h> #include <limits.h>
#include <unistd.h> #include <unistd.h>
#include <sys/stat.h>
char *get_current_dir_name(void) { char *get_current_dir_name(void) {
struct stat a, b;
char buf[PATH_MAX]; char buf[PATH_MAX];
char* res = getenv("PWD"); char *res = getenv("PWD");
if(res && *res) return strdup(res); if (res && *res && !stat(res, &a) && !stat(".", &b)
&& (a.st_dev == b.st_dev) && (a.st_ino == b.st_ino))
return strdup(res);
if(!getcwd(buf, sizeof(buf))) return NULL; if(!getcwd(buf, sizeof(buf))) return NULL;
return strdup(buf); return strdup(buf);
} }