mirror of
https://github.com/MaJerle/lwshell.git
synced 2025-01-25 13:02:54 +08:00
99 lines
2.2 KiB
C
99 lines
2.2 KiB
C
#include <stdio.h>
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#include "lwshell/lwshell.h"
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#include <string.h>
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#include <stdint.h>
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void example_minimal(void);
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int32_t
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addint_cmd(int32_t argc, char** argv) {
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long long i1, i2;
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if (argc < 3) {
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return -1;
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}
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i1 = lwshell_parse_long_long(argv[1]);
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i2 = lwshell_parse_long_long(argv[2]);
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printf("%lld\r\n", i1 + i2);
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return 0;
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}
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int32_t
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subint_cmd(int32_t argc, char** argv) {
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long long i1, i2;
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if (argc < 3) {
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return -1;
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}
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i1 = lwshell_parse_long_long(argv[1]);
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i2 = lwshell_parse_long_long(argv[2]);
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printf("%lld\r\n", i1 - i2);
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return 0;
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}
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int32_t
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adddbl_cmd(int32_t argc, char** argv) {
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double i1, i2;
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if (argc < 3) {
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return -1;
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}
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i1 = lwshell_parse_double(argv[1]);
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i2 = lwshell_parse_double(argv[2]);
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printf("%f\r\n", (i1 + i2));
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return 0;
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}
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int32_t
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subdbl_cmd(int32_t argc, char** argv) {
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double i1, i2;
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if (argc < 3) {
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return -1;
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}
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i1 = lwshell_parse_double(argv[1]);
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i2 = lwshell_parse_double(argv[2]);
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printf("%f\r\n", (i1 - i2));
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return 0;
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}
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/**
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* \brief Application output function
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* \param[in] str: String to print, null-terminated
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* \param[in] lw: LwSHELL instance
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*/
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void
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shell_output(const char* str, lwshell_t* lw) {
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printf("%s", str);
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if (*str == '\r') {
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printf("\n");
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}
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}
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/* Program entry point */
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int
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main(void) {
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/* Init library */
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lwshell_init();
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/* Add optional output function for the purpose of the feedback */
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lwshell_set_output_fn(shell_output);
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/* Define shell commands */
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lwshell_register_cmd("addint", addint_cmd, "Adds 2 integer numbers and prints them");
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lwshell_register_cmd("subint", subint_cmd, "Substitute 2 integer numbers and prints them");
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lwshell_register_cmd("adddbl", adddbl_cmd, "Adds 2 double numbers and prints them");
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lwshell_register_cmd("subdbl", subdbl_cmd, "Substitute 2 double numbers and prints them");
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/* User input to process every character */
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printf("Start entering your command and press enter...\r\n");
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while (1) {
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char str[255];
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fgets(str, sizeof(str), stdin);
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/* Insert input to library */
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lwshell_input(str, strlen(str));
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}
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return 0;
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}
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