69 lines
1.2 KiB
C
69 lines
1.2 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <limits.h>
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#include "icmd.h"
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#include "common.h"
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#define ICMDS_SIZE \
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(sizeof(g_icmds) / sizeof(g_icmds[0]))
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#define ICMD(name) \
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{ \
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.cmd = TOSTR(name), \
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.len = sizeof(TOSTR(name))-1, \
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.func = CONCAT(icmd_, name), \
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}
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struct icmd g_icmds[] =
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{
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ICMD(exit),
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ICMD(cd),
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ICMD(ls),
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};
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int
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call_icmds(char *line)
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{
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size_t i;
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for (i = 0; i < ICMDS_SIZE; i++)
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{
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printf("cmp: '%s' : '%s' with len %d \n", g_icmds[i].cmd, line, g_icmds[i].len);
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if (strncmp(g_icmds[i].cmd, line, g_icmds[i].len) == 0)
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return g_icmds[i].func(line);
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}
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/* todo: find better way to signal this? */
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/* maybe return function pointer? */
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return INT_MAX;
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}
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int
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icmd_exit(char *line)
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{
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printf("exiting with reason: %s", line);
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exit(0);
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}
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int
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icmd_cd(char *line)
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{
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printf("I'm a cd! line: %s\n", line);
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return 0;
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}
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int
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icmd_ls(char *line)
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{
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printf("I'm a ls! line: %s\n", line);
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return 1;
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}
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