Tibor Nagy
efd6947d8e
Turns the results of these macros from compound to regular statements using the old `do { ... } while(0)` trick. Must have for function-like macros.
72 lines
1.9 KiB
C
72 lines
1.9 KiB
C
#include <unistd.h>
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#include <stdio.h>
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#include "test_helpers.h"
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#define RUN(...) \
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do { \
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optind = 1; \
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optarg = NULL; \
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opterr = 1; \
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optopt = -1; \
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char *args_arr[] = { __VA_ARGS__ }; \
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printf("result: %d\n", runner(sizeof(args_arr) / sizeof(args_arr[0]), args_arr)); \
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} while (0)
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int runner(int argc, char *argv[]) {
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int c;
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int bflg = 0, aflg = 0, errflg = 0;
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char *ifile = "";
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char *ofile = "";
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while((c = getopt(argc, argv, ":abf:o:")) != -1) {
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switch(c) {
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case 'a':
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if(bflg)
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errflg++;
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else
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aflg++;
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break;
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case 'b':
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if(aflg)
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errflg++;
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else
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bflg++;
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break;
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case 'f':
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ifile = optarg;
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break;
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case 'o':
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ofile = optarg;
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break;
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case ':':
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printf("Option -%c requires an operand\n", optopt);
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errflg++;
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break;
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case '?':
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printf("Unrecognized option: -%c\n", optopt);
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errflg++;
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}
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}
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printf("bflg: %d\n", bflg);
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printf("aflg: %d\n", aflg);
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printf("errflg: %d\n", errflg);
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printf("ifile: %s\n", ifile);
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printf("ofile: %s\n", ofile);
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if(errflg) {
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printf("Usage: info goes here\n");
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return 2;
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}
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return 0;
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}
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int main(int argc, const char *argv[]) {
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RUN("test", "-ao", "arg", "path", "path");
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RUN("test", "-a", "-o", "arg", "path", "path");
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RUN("test", "-o", "arg", "-a", "path", "path");
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RUN("test", "-a", "-o", "arg", "--", "path", "path");
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RUN("test", "-a", "-oarg", "path", "path");
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RUN("test", "-aoarg", "path", "path");
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RUN("test");
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}
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