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| author | Denys Vlasenko <vda.linux@googlemail.com> | 2016-10-26 17:34:26 +0200 |
|---|---|---|
| committer | Denys Vlasenko <vda.linux@googlemail.com> | 2016-10-26 17:34:26 +0200 |
| commit | 35c2a136cd74402932d94ca69bd5f69ca900d83f (patch) | |
| tree | ab4d192523175b215f853f0077603d95d718b12d /shell/ash.c | |
| parent | 3df1410a00a7a57f3a43373c00cdea2031d7d70c (diff) | |
| download | busybox-35c2a136cd74402932d94ca69bd5f69ca900d83f.tar.gz | |
ash: use shellparam.optind/optoff in getopts() directly, not through pointers
This is a preparatory patch for next change
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'shell/ash.c')
| -rw-r--r-- | shell/ash.c | 26 |
1 files changed, 14 insertions, 12 deletions
diff --git a/shell/ash.c b/shell/ash.c index 21373b65a..3effa0c81 100644 --- a/shell/ash.c +++ b/shell/ash.c @@ -10554,7 +10554,7 @@ change_random(const char *value) #if ENABLE_ASH_GETOPTS static int -getopts(char *optstr, char *optvar, char **optfirst, int *param_optind, int *optoff) +getopts(char *optstr, char *optvar, char **optfirst) { char *p, *q; char c = '?'; @@ -10565,12 +10565,15 @@ getopts(char *optstr, char *optvar, char **optfirst, int *param_optind, int *opt sbuf[1] = '\0'; - optnext = optfirst + *param_optind - 1; + optnext = optfirst + shellparam.optind - 1; - if (*param_optind <= 1 || *optoff < 0 || (int)strlen(optnext[-1]) < *optoff) + if (shellparam.optind <= 1 + || shellparam.optoff < 0 + || (int)strlen(optnext[-1]) < shellparam.optoff + ) { p = NULL; - else - p = optnext[-1] + *optoff; + } else + p = optnext[-1] + shellparam.optoff; if (p == NULL || *p == '\0') { /* Current word is done, advance */ p = *optnext; @@ -10625,15 +10628,15 @@ getopts(char *optstr, char *optvar, char **optfirst, int *param_optind, int *opt } else err |= setvarsafe("OPTARG", nullstr, 0); out: - *optoff = p ? p - *(optnext - 1) : -1; - *param_optind = optnext - optfirst + 1; - err |= setvarsafe("OPTIND", itoa(*param_optind), VNOFUNC); + shellparam.optoff = p ? p - *(optnext - 1) : -1; + shellparam.optind = optnext - optfirst + 1; + err |= setvarsafe("OPTIND", itoa(shellparam.optind), VNOFUNC); sbuf[0] = c; /*sbuf[1] = '\0'; - already is */ err |= setvarsafe(optvar, sbuf, 0); if (err) { - *param_optind = 1; - *optoff = -1; + shellparam.optind = 1; + shellparam.optoff = -1; flush_stdout_stderr(); raise_exception(EXERROR); } @@ -10667,8 +10670,7 @@ getoptscmd(int argc, char **argv) } } - return getopts(argv[1], argv[2], optbase, &shellparam.optind, - &shellparam.optoff); + return getopts(argv[1], argv[2], optbase); } #endif /* ASH_GETOPTS */ |