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fix bug where XD would segfault if the cwd didn't exist

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also include errno so we can check it
This commit is contained in:
Squibid
2025-04-25 01:41:03 -05:00
parent 529ac333ea
commit 68634537c0
1 changed files with 8 additions and 2 deletions
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10
XD.c
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@ -3,7 +3,10 @@
#include <string.h> #include <string.h>
#include <ctype.h> #include <ctype.h>
#if defined(ERR) || defined(EXPLAIN) #ifdef ERR
#include <errno.h>
#endif
#if defined(EXPLAIN) || defined(ERR)
#include <stdarg.h> #include <stdarg.h>
#endif #endif
@ -62,9 +65,12 @@ char
struct stat s; struct stat s;
int i, c; int i, c;
/* find the number of jumps to the root of the fs */ /* find the number of jumps to the root of the fs */
rpath = realpath(path, NULL); rpath = realpath(path, NULL);
if (!rpath) {
L("realpath: %s", strerror(errno));
return NULL;
}
for (i = c = 0; i < strlen(rpath); i++) { for (i = c = 0; i < strlen(rpath); i++) {
if (rpath[i] == '/') { if (rpath[i] == '/') {
c++; c++;