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/* SPDX-License-Identifier: copyleft-next-0.3.1 */
/* Copyright 2023 Kim Kuparinen < kimi.h.kuparinen@gmail.com > */
/**
* @file path.c
*
* Path handling helper implementations.
*/
#include <stddef.h>
#include <string.h>
#include <unistd.h>
#include <stdlib.h>
#include <errno.h>
#include <fwd/path.h>
#include <fwd/debug.h>
#include <fwd/tracker.h>
#include <fwd/coverage.h>
char *fwd_basename(const char *file)
{
size_t l = strlen(file);
size_t n = l - 1;
while (--n) {
if (file[n] == '/')
break;
}
char *s = NULL;
if (n == 0)
s = strdupc(file);
else
s = strndupc(file + n + 1, l - n);
if (!s) {
internal_error("failed allocating basename");
return NULL;
}
track_ptr(s);
return s;
}
char *fwd_dirname(const char *file)
{
size_t l = strlen(file);
size_t n = l - 1;
while (--n) {
if (file[n] == '/')
break;
}
char *s = strndupc(file, n);
if (!s) {
internal_error("failed allocating dirname");
return NULL;
}
track_ptr(s);
return s;
}
char *fwd_cwdname()
{
size_t size;
long path_max = pathconf(".", _PC_PATH_MAX);
if (path_max == -1)
size = 1024;
else
size = (size_t)path_max;
char *buf = mallocc(size);
if (!buf) {
internal_error("failed allocating cwd buf");
return NULL;
}
track_ptr(buf);
if (!getcwd(buf, size)) {
error("%s\n", strerror(errno));
return NULL;
}
return buf;
}
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