diff options
Diffstat (limited to 'Src/parse.c')
| -rw-r--r-- | Src/parse.c | 41 |
1 files changed, 25 insertions, 16 deletions
diff --git a/Src/parse.c b/Src/parse.c index 3ffed46d7..63ea01486 100644 --- a/Src/parse.c +++ b/Src/parse.c @@ -2196,6 +2196,9 @@ init_eprog(void) * file should be mapped or read and if this header is the `other' one), * the version string in a field of 40 characters and the descriptions * for the functions in the dump file. + * + * NOTE: this layout has to be kept; everything after it may be changed. + * * Each description consists of a struct fdhead followed by the name, * aligned to sizeof(wordcode) (i.e. 4 bytes). */ @@ -2302,11 +2305,10 @@ bin_zcompile(char *nam, char **args, char *ops, int func) zwarnnam(nam, "too few arguments", NULL, 0); return 1; } - if (!(f = load_dump_header(*args)) && - !(f = load_dump_header(dyncat(*args, FD_EXT)))) { - zwarnnam(nam, "invalid dump file: %s", *args, 0); - return 1; - } + if (!(f = load_dump_header(nam, (strsfx(FD_EXT, *args) ? *args : + dyncat(*args, FD_EXT)), 1))) + return 1; + if (args[1]) { for (args++; *args; args++) if (!dump_find_func(f, *args)) @@ -2315,7 +2317,7 @@ bin_zcompile(char *nam, char **args, char *ops, int func) } else { FDHead h, e = (FDHead) (f + fdheaderlen(f)); - printf("function dump file (%s) for zsh-%s\n", + printf("zwc file (%s) for zsh-%s\n", ((fdflags(f) & FDF_MAP) ? "mapped" : "read"), fdversion(f)); for (h = firstfdhead(f); h < e; h = nextfdhead(h)) printf("%s\n", fdname(h)); @@ -2344,18 +2346,23 @@ bin_zcompile(char *nam, char **args, char *ops, int func) /**/ static Wordcode -load_dump_header(char *name) +load_dump_header(char *nam, char *name, int err) { - int fd; + int fd, v = 0; wordcode buf[FD_PRELEN + 1]; - if ((fd = open(name, O_RDONLY)) < 0) + if ((fd = open(name, O_RDONLY)) < 0) { + if (err) + zwarnnam(nam, "can't open zwc file: %s", name, 0); return NULL; - + } if (read(fd, buf, (FD_PRELEN + 1) * sizeof(wordcode)) != ((FD_PRELEN + 1) * sizeof(wordcode)) || (fdmagic(buf) != FD_MAGIC && fdmagic(buf) != FD_OMAGIC) || - strcmp(ZSH_VERSION, fdversion(buf))) { + (v = strcmp(ZSH_VERSION, fdversion(buf)))) { + if (err) + zwarnnam(nam, (v ? "invalid zwc file, wrong version: %s" : + "invalid zwc file: %s") , name, 0); close(fd); return NULL; } else { @@ -2372,6 +2379,7 @@ load_dump_header(char *name) if (lseek(fd, o, 0) == -1 || read(fd, buf, (FD_PRELEN + 1) * sizeof(wordcode)) != ((FD_PRELEN + 1) * sizeof(wordcode))) { + zwarnnam(nam, "invalid zwc file: %s" , name, 0); close(fd); return NULL; } @@ -2384,6 +2392,7 @@ load_dump_header(char *name) len - ((FD_PRELEN + 1) * sizeof(wordcode))) != len - ((FD_PRELEN + 1) * sizeof(wordcode))) { close(fd); + zwarnnam(nam, "invalid zwc file: %s" , name, 0); return NULL; } close(fd); @@ -2483,7 +2492,7 @@ build_dump(char *nam, char *dump, char **files, int ali, int map, int flags) dump = dyncat(dump, FD_EXT); if ((dfd = open(dump, O_WRONLY|O_CREAT, 0600)) < 0) { - zwarnnam(nam, "can't write dump file: %s", dump, 0); + zwarnnam(nam, "can't write zwc file: %s", dump, 0); return 1; } progs = newlinklist(); @@ -2614,7 +2623,7 @@ build_cur_dump(char *nam, char *dump, char **names, int match, int map, dump = dyncat(dump, FD_EXT); if ((dfd = open(dump, O_WRONLY|O_CREAT, 0600)) < 0) { - zwarnnam(nam, "can't write dump file: %s", dump, 0); + zwarnnam(nam, "can't write zwc file: %s", dump, 0); return 1; } progs = newlinklist(); @@ -2876,7 +2885,7 @@ check_dump_file(char *file, char *name, int *ksh) #endif - if (!f && (isrec || !(d = load_dump_header(file)))) + if (!f && (isrec || !(d = load_dump_header(NULL, file, 0)))) return NULL; if ((h = dump_find_func(d, name))) { @@ -3014,7 +3023,7 @@ decrdumpcount(FuncDump f) /**/ int -dump_autoload(char *file, int on, char *ops, int func) +dump_autoload(char *nam, char *file, int on, char *ops, int func) { Wordcode h; FDHead n, e; @@ -3024,7 +3033,7 @@ dump_autoload(char *file, int on, char *ops, int func) if (!strsfx(FD_EXT, file)) file = dyncat(file, FD_EXT); - if (!(h = load_dump_header(file))) + if (!(h = load_dump_header(nam, file, 1))) return 1; for (n = firstfdhead(h), e = (FDHead) (h + fdheaderlen(h)); n < e; |