59 lines
822 B
C
59 lines
822 B
C
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/*
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* splitline is a destructive argument parser, much like a very primitive
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* form of a shell parser. it supports quotes for embedded spaces and
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* literal quotes with the backslash escape.
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*/
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char *splitnext(char **pos)
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{
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char *a, *d, *s;
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d = s = *pos;
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while (*s == ' ' || *s == '\t') s++;
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a = s;
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while (*s && *s != ' ' && *s != '\t')
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{
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if (*s == '"')
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{
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s++;
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while (*s && *s != '"')
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{
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if (*s == '\\')
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s++;
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if (*s)
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*(d++) = *(s++);
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}
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if (*s == '"') s++;
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}
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else
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{
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if (*s == '\\')
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s++;
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*(d++) = *(s++);
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}
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}
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while (*s == ' ' || *s == '\t') s++;
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*d = 0;
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*pos = s;
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return a;
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}
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int splitline(char **argv, int max, char *line)
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{
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char *s;
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int i;
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s = line;
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for (i = 0; *s && i < max + 1; i++)
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argv[i] = splitnext(&s);
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argv[i] = 0;
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return i;
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}
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