diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/options.c | 48 | ||||
| -rw-r--r-- | src/var.c | 25 | ||||
| -rw-r--r-- | src/var.h | 1 |
3 files changed, 23 insertions, 51 deletions
diff --git a/src/options.c b/src/options.c index 045345a..568148a 100644 --- a/src/options.c +++ b/src/options.c @@ -109,7 +109,7 @@ char optlist[NOPTS]; STATIC void options(int); STATIC void minus_o(char *, int); STATIC void setoption(int, int); -STATIC int getopts(char *, char *, char **, int *, int *); +STATIC int getopts(char *, char *, char **); /* @@ -397,39 +397,40 @@ getoptscmd(int argc, char **argv) sh_error("Usage: getopts optstring var [arg]"); else if (argc == 3) { optbase = shellparam.p; - if (shellparam.optind > shellparam.nparam + 1) { + if ((unsigned)shellparam.optind > shellparam.nparam + 1) { shellparam.optind = 1; shellparam.optoff = -1; } } else { optbase = &argv[3]; - if (shellparam.optind > argc - 2) { + if ((unsigned)shellparam.optind > argc - 2) { shellparam.optind = 1; shellparam.optoff = -1; } } - return getopts(argv[1], argv[2], optbase, &shellparam.optind, - &shellparam.optoff); + return getopts(argv[1], argv[2], optbase); } STATIC int -getopts(char *optstr, char *optvar, char **optfirst, int *optind, int *optoff) +getopts(char *optstr, char *optvar, char **optfirst) { char *p, *q; char c = '?'; int done = 0; - int err = 0; char s[12]; char **optnext; + int ind = shellparam.optind; + int off = shellparam.optoff; - optnext = optfirst + *optind - 1; + shellparam.optind = -1; + optnext = optfirst + ind - 1; - if (*optind <= 1 || *optoff < 0 || strlen(optnext[-1]) < *optoff) + if (ind <= 1 || off < 0 || strlen(optnext[-1]) < off) p = NULL; else - p = optnext[-1] + *optoff; + p = optnext[-1] + off; if (p == NULL || *p == '\0') { /* Current word is done, advance */ p = *optnext; @@ -450,7 +451,7 @@ atend: if (optstr[0] == ':') { s[0] = c; s[1] = '\0'; - err |= setvarsafe("OPTARG", s, 0); + setvar("OPTARG", s, 0); } else { outfmt(&errout, "Illegal option -%c\n", c); (void) unsetvar("OPTARG"); @@ -467,7 +468,7 @@ atend: if (optstr[0] == ':') { s[0] = c; s[1] = '\0'; - err |= setvarsafe("OPTARG", s, 0); + setvar("OPTARG", s, 0); c = ':'; } else { outfmt(&errout, "No arg for -%c option\n", c); @@ -479,25 +480,22 @@ atend: if (p == *optnext) optnext++; - err |= setvarsafe("OPTARG", p, 0); + setvar("OPTARG", p, 0); p = NULL; } else - err |= setvarsafe("OPTARG", nullstr, 0); + setvar("OPTARG", nullstr, 0); out: - *optoff = p ? p - *(optnext - 1) : -1; - *optind = optnext - optfirst + 1; - fmtstr(s, sizeof(s), "%d", *optind); - err |= setvarsafe("OPTIND", s, VNOFUNC); + ind = optnext - optfirst + 1; + fmtstr(s, sizeof(s), "%d", ind); + setvar("OPTIND", s, VNOFUNC); s[0] = c; s[1] = '\0'; - err |= setvarsafe(optvar, s, 0); - if (err) { - *optind = 1; - *optoff = -1; - flushall(); - exraise(EXERROR); - } + setvar(optvar, s, 0); + + shellparam.optoff = p ? p - *(optnext - 1) : -1; + shellparam.optind = ind; + return done; } diff --git a/src/var.c b/src/var.c index 3263dc5..501a279 100644 --- a/src/var.c +++ b/src/var.c @@ -168,31 +168,6 @@ initvar(void) } /* - * Safe version of setvar, returns 1 on success 0 on failure. - */ - -int -setvarsafe(const char *name, const char *val, int flags) -{ - int err; - volatile int saveint; - struct jmploc *volatile savehandler = handler; - struct jmploc jmploc; - - SAVEINT(saveint); - if (setjmp(jmploc.loc)) - err = 1; - else { - handler = &jmploc; - setvar(name, val, flags); - err = 0; - } - handler = savehandler; - RESTOREINT(saveint); - return err; -} - -/* * Set the value of a variable. The flags argument is ored with the * flags of the variable. If val is NULL, the variable is unset. */ diff --git a/src/var.h b/src/var.h index c3c2ca7..ae58c6c 100644 --- a/src/var.h +++ b/src/var.h @@ -138,7 +138,6 @@ int localcmd(int, char **); void poplocalvars(void); int unsetcmd(int, char **); int unsetvar(const char *); -int setvarsafe(const char *, const char *, int); int varcmp(const char *, const char *); static inline int varequal(const char *a, const char *b) { |