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Vodz, last_patch_123, patch have new version getopt_ulflags.
- size reduced 34 bytes - don`t use dynamic memory allocation - small indent correction.
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@ -46,7 +46,7 @@ Warning! You can check returned flag, pointer to "d:" argument seted
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to own optarg always.
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Example two: cut applet must only one type of list may be specified,
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and -b, -c and -f incongruously option, overwited option is error also.
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You must set bb_opt_complementaly = "b~bcf:c~bcf:f~bcf".
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You must set bb_opt_complementaly = "b~cf:c~bf:f~bc".
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If called have more one specified, return value have error flag -
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high bite set (0x80000000UL).
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Example three: grep applet can have one or more "-e pattern" arguments.
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@ -82,9 +82,9 @@ unsigned long
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bb_getopt_ulflags (int argc, char **argv, const char *applet_opts, ...)
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{
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unsigned long flags = 0;
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int c = 0;
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t_complementaly complementaly[sizeof(flags) * 8 + 1];
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int c;
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const unsigned char *s;
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t_complementaly *complementaly;
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t_complementaly *on_off;
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va_list p;
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@ -95,34 +95,27 @@ bb_getopt_ulflags (int argc, char **argv, const char *applet_opts, ...)
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if(*s == '+' || *s == '-')
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s++;
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for (; *s; s++) {
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c++;
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while (s[1] == ':') {
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/* check GNU extension "o::" - optional arg */
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s++;
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}
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}
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complementaly = xcalloc (c + 1, sizeof (t_complementaly));
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c = 0;
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/* skip GNU extension */
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s = applet_opts;
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if(*s == '+' || *s == '-')
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s++;
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on_off = complementaly;
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for (; *s; s++) {
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complementaly->opt = *s;
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complementaly->switch_on |= (1 << c);
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c++;
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if(c >= (sizeof(flags)*8))
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break;
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on_off->opt = *s;
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on_off->switch_on |= (1 << c);
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on_off->list_flg = 0;
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on_off->switch_off = 0;
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on_off->incongruously = 0;
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on_off->optarg = NULL;
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if (s[1] == ':') {
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complementaly->optarg = va_arg (p, void **);
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on_off->optarg = va_arg (p, void **);
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do
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s++;
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while (s[1] == ':');
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}
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complementaly++;
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on_off++;
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c++;
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}
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complementaly->opt = 0;
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complementaly -= c;
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on_off->opt = 0;
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c = 0;
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for (s = bb_opt_complementaly; s && *s; s++) {
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t_complementaly *pair;
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@ -174,6 +167,5 @@ bb_getopt_ulflags (int argc, char **argv, const char *applet_opts, ...)
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*(char **)(on_off->optarg) = optarg;
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}
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}
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free(complementaly);
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return flags;
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}
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