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sbase/libutil/apathmax.c
sin 7d36a35649 Fix off-by-one in apathmax() as the path is relative to "/"
1) Use size_t * instead of long *
2) Fallback to PATH_MAX instead of BUFSIZ
3) Header cleanup
2015-03-06 23:50:39 +00:00

23 lines
373 B
C

/* See LICENSE file for copyright and license details. */
#include <errno.h>
#include <limits.h>
#include <unistd.h>
#include "../util.h"
void
apathmax(char **p, size_t *size)
{
errno = 0;
if ((*size = pathconf("/", _PC_PATH_MAX)) < 0) {
if (errno == 0) {
*size = PATH_MAX;
} else {
eprintf("pathconf:");
}
} else {
(*size)++;
}
*p = emalloc(*size);
}