FreeCalypso > hg > freecalypso-reveng
view mpffs/cat.c @ 255:0f5a24acde3a
pirelli/fw-disasm: found what seems to be the charging time limit function
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Mon, 25 Dec 2017 23:54:05 +0000 |
parents | 7ceab8bfacb3 |
children |
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/* * This module contains the main function and other code specific to mpffs-cat */ #include <sys/types.h> #include <ctype.h> #include <stdio.h> #include <string.h> #include <strings.h> #include <stdlib.h> #include <unistd.h> #include "types.h" #include "struct.h" extern char *imgfile; extern int verbose; int cat_v; cat_chunk(chi) struct chunkinfo *chi; { u8 *dp; size_t len; int c; dp = chi->start; len = chi->len; while (len) { c = *dp++; if (!cat_v || c >= ' ' && c <= '~' || c == '\n') putchar(c); else { if (c & 0x80) { putchar('M'); putchar('-'); c &= 0x7F; } putchar('^'); if (c == 0x7F) putchar('?'); else putchar(c + '@'); } len--; } } void extra_chunk_callback(obj, opaque) struct objinfo *obj; u_long opaque; { struct chunkinfo chi; size_extra_chunk(obj, &chi); cat_chunk(&chi); } cat_file(headidx) { struct objinfo obj; struct chunkinfo chi; obj.entryno = headidx; get_index_entry(&obj); if (obj.type != 0xF1) { fprintf(stderr, "mpffs-cat: the requested FFS object is not a regular file\n"); exit(1); } validate_chunk(&obj); size_head_chunk(&obj, &chi); cat_chunk(&chi); iterate_extra_chunks(obj.descend, extra_chunk_callback, (u_long) 0); if (cat_v) putchar('\n'); } usage() { fprintf(stderr, "usage: mpffs-cat [options] ffs-image pathname\n"); exit(1); } main(argc, argv) char **argv; { extern int optind; int idx; parse_cmdline_options(argc, argv); if (argc - optind != 2) usage(); if (verbose) { cat_v = 1; verbose--; } imgfile = argv[optind]; preliminaries(); idx = find_pathname(argv[optind+1]); cat_file(idx); exit(0); }