46 lines
809 B
C
46 lines
809 B
C
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#include <string.h>
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#include <stdio.h>
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#include <unistd.h>
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const char* shell_prompt = "rocksh> ";
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static void process_cmd(const char* cmd) {
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size_t cmd_len = strlen(cmd);
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if (cmd_len < 1) {
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return;
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}
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if (strcmp(cmd, "exit") == 0) {
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printf("bye!\n");
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exit(0);
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}
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printf("command not recognized: %s\n", cmd);
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}
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int main(int argc, char *argv[]) {
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(void)argc;
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(void)argv;
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char cmd[128];
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size_t p = 0;
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printf("%s", shell_prompt);
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while (1) {
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char c = getchar();
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printf("%c", c);
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if (c != '\n') {
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cmd[p++] = c;
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continue;
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}
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cmd[p] = 0;
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process_cmd(cmd);
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memset(cmd, 0, 128);
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p = 0;
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printf("%s", shell_prompt);
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}
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return 0;
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}
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