FreeCalypso > hg > freecalypso-tools
view rvinterf/etmsync/fspath.c @ 416:30f6d1c32c6f
doc/Flash-boot-defect article removed (no longer relevant)
This article is no longer relevant because the issue in question
only affected one (1) defective FCDEV3B board which was not
and never will be sold.
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Fri, 26 Oct 2018 07:11:08 +0000 |
parents | e7502631a0f9 |
children |
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/* * FFS pathname manipulation functions */ #include <sys/types.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #include <strings.h> #include "ffs.h" #include "limits.h" #include "ffslimits.h" #include "exitcodes.h" validate_ffs_pathname(cand) char *cand; { char *cp; int depth, c; cp = cand; if (*cp++ != '/') { fprintf(stderr, "error: FFS pathnames must be absolute\n"); return(-1); } for (depth = 0; *cp; depth++) { if (*cp == '/') { fprintf(stderr, "error: FFS pathname must not contain duplicate slashes\n"); return(-1); } for (c = 0; *cp && *cp != '/'; cp++) c++; if (c > MAX_FN_COMPONENT) { fprintf(stderr, "error: FFS pathname component is too long\n"); return(-1); } if (!*cp) continue; cp++; if (!*cp) { fprintf(stderr, "error: FFS pathname must not end with a trailing slash\n"); return(-1); } } if (depth > MAX_NAME_DEPTH) { fprintf(stderr, "error: FFS pathname exceeds depth limit\n"); return(-1); } return(depth); } char * pathname_for_ffs_child(parent, childbuf) char *parent, *childbuf; { int depth; char *cp; depth = validate_ffs_pathname(parent); if (depth < 0 || depth >= MAX_NAME_DEPTH) return(0); strcpy(childbuf, parent); cp = index(childbuf, '\0'); if (depth) *cp++ = '/'; return(cp); }