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feat: implemented getopt_long

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This commit is contained in:
Renge 2022-03-04 22:22:08 -05:00
parent c63ef04b44
commit e917cbc49e
1 changed files with 69 additions and 51 deletions
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118
hw2/src/par.c
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@ -362,7 +362,7 @@ static int setValue(int *val, char *arg, char *name)
return 1;
}
static int setOptions(int argc, char **argv, int *widthbak, int *prefixbak, int *suffixbak, int * hangbak, int *lastbak, int *minbak)
static int setOptions(int argc, char **argv, int *widthbak, int *prefixbak, int *suffixbak, int *hangbak, int *lastbak, int *minbak)
{
FILE *stream;
char *buf;
@ -472,75 +472,91 @@ static int setOptions(int argc, char **argv, int *widthbak, int *prefixbak, int
int original_main(int argc, const char *const *argv)
{
int width, widthbak = -1, prefix, prefixbak = -1, suffix, suffixbak = -1,
hang, hangbak = -1, last, lastbak = -1, min, minbak = -1, c, argc_env;
hang, hangbak = -1, last, lastbak = -1, min, minbak = -1, c, argc_env, option_code;
char *parinit, *picopy = NULL, *opt, **inlines = NULL, **outlines = NULL,
**line, **argv_env, *tmp;
**line, **argv_env = NULL, *tmp;
const char *const whitechars = " \f\n\r\t\v";
// parinit = getenv("PARINIT");
// if (parinit) {
// picopy = malloc((strlen(parinit) + 1) * sizeof (char));
// if (!picopy) {
// if (parinit)
// {
// picopy = malloc((strlen(parinit) + 1) * sizeof(char));
// if (!picopy)
// {
// set_error(outofmem);
// goto parcleanup;
// }
// strcpy(picopy,parinit);
// opt = strtok(picopy,whitechars);
// while (opt) {
// strcpy(picopy, parinit);
// opt = strtok(picopy, whitechars);
// while (opt)
// {
// parseopt(opt, &widthbak, &prefixbak,
// &suffixbak, &hangbak, &lastbak, &minbak);
// if (is_error()) goto parcleanup;
// opt = strtok(NULL,whitechars);
// if (is_error())
// goto parcleanup;
// opt = strtok(NULL, whitechars);
// }
// free(picopy);
// picopy = NULL;
// }
// while (*++argv) {
// while (*++argv)
// {
// parseopt(*argv, &widthbak, &prefixbak,
// &suffixbak, &hangbak, &lastbak, &minbak);
// if (is_error()) goto parcleanup;
// }
// parinit = getenv("PARINIT");
// if (parinit)
// {
// picopy = malloc((strlen(parinit) + 1) * sizeof (char));
// if (!picopy) {
// set_error(outofmem);
// if (is_error())
// goto parcleanup;
// }
// argc_env = 1;
// argv_env = malloc((argc_env) * sizeof (char*));
// argv_env[0] = malloc((strlen(argv[0])+1) * sizeof(char));
// tmp = argv_env[0];
// strcpy(tmp, argv[0]);
// strcpy(picopy,parinit);
// opt = strtok(picopy,whitechars);
// while (opt) {
// argc_env ++;
// argv_env = realloc(argv_env, (argc_env + 1)*sizeof(char*));
// argv_env[argc_env-1] = malloc((strlen(opt)+1)*sizeof(char));
// tmp = argv_env[argc_env-1];
// strcpy(tmp, opt);
// opt = strtok(NULL,whitechars);
// }
// argv_env = realloc(argv_env, (argc_env + 1)*sizeof(char*));
// argv_env[argc_env] = NULL;
// // for (size_t i = 0; i < argc_env; i++)
// // {
// // printf("%s\n", argv_env[i]);
// // }
// if (!setOptions(argc_env, (char **)argv_env, &widthbak, &prefixbak, &suffixbak, &hangbak, &lastbak, &minbak))
// goto parcleanup;
// freelines(argv_env);
// }
int option_code = setOptions(argc, (char **)argv, &widthbak, &prefixbak, &suffixbak, &hangbak, &lastbak, &minbak);
if (option_code == 0 || option_code==2)
parinit = getenv("PARINIT");
if (parinit)
{
picopy = malloc((strlen(parinit) + 1) * sizeof(char));
if (!picopy)
{
set_error(outofmem);
goto parcleanup;
}
argc_env = 1;
argv_env = malloc((argc_env) * sizeof(char *));
argv_env[0] = malloc((strlen(argv[0]) + 1) * sizeof(char));
tmp = argv_env[0];
strcpy(tmp, argv[0]);
strcpy(picopy, parinit);
opt = strtok(picopy, whitechars);
while (opt)
{
argc_env++;
argv_env = realloc(argv_env, (argc_env + 1) * sizeof(char *));
argv_env[argc_env - 1] = malloc((strlen(opt) + 1) * sizeof(char));
tmp = argv_env[argc_env - 1];
strcpy(tmp, opt);
opt = strtok(NULL, whitechars);
}
for (size_t i = 1; i < argc; i++)
{
argc_env++;
argv_env = realloc(argv_env, (argc_env + 1) * sizeof(char *));
argv_env[argc_env - 1] = malloc((strlen(argv[i]) + 1) * sizeof(char));
tmp = argv_env[argc_env - 1];
strcpy(tmp, argv[i]);
}
argv_env = realloc(argv_env, (argc_env + 1) * sizeof(char *));
argv_env[argc_env] = NULL;
option_code = setOptions(argc_env, (char **)argv_env, &widthbak, &prefixbak, &suffixbak, &hangbak, &lastbak, &minbak);
if (option_code == 0 || option_code == 2)
goto parcleanup;
freelines(argv_env);
argv_env = NULL;
}
else
{
option_code = setOptions(argc, (char **)argv, &widthbak, &prefixbak, &suffixbak, &hangbak, &lastbak, &minbak);
if (option_code == 0 || option_code == 2)
goto parcleanup;
}
// printf("width: %d, prefix: %d, suffix: %d, hang: %d, last: %d, min: %d", widthbak, prefixbak, suffixbak, hangbak, lastbak, minbak);
@ -599,6 +615,8 @@ parcleanup:
freelines(inlines);
if (outlines)
freelines(outlines);
if (argv_env)
freelines(argv_env);
if (is_error())
{