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