63 lines
1 KiB
C
63 lines
1 KiB
C
#include <u.h>
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#include <libc.h>
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/* unfortunately, tokenize insists on collapsing multiple seperators */
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static char qsep[] = " \t\r\n";
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static char*
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qtoken(char *s, char *sep)
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{
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int quoting;
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char *t;
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quoting = 0;
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t = s; /* s is output string, t is input string */
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while(*t!='\0' && (quoting || utfrune(sep, *t)==nil)){
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if(*t != '\''){
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*s++ = *t++;
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continue;
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}
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/* *t is a quote */
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if(!quoting){
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quoting = 1;
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t++;
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continue;
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}
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/* quoting and we're on a quote */
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if(t[1] != '\''){
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/* end of quoted section; absorb closing quote */
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t++;
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quoting = 0;
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continue;
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}
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/* doubled quote; fold one quote into two */
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t++;
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*s++ = *t++;
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}
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if(*s != '\0'){
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*s = '\0';
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if(t == s)
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t++;
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}
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return t;
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}
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int
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getmtokens(char *s, char **args, int maxargs, int multiflag)
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{
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int i;
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for(i = 0; i < maxargs; i++){
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if(multiflag)
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while(*s && utfrune(qsep, *s))
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s++;
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else if(*s && utfrune(qsep, *s))
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s++;
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if(*s == 0)
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break;
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args[i] = s;
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s = qtoken(s, qsep);
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}
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return i;
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}
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