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struct Options {
int conti;
int format;
char **inputs;
char *output;
int FileNbr;
};
int strcmp (char *One, char *Two) {
while (0 == 0) {
if (*One == '\0' && *Two != '\0')
return 1;
if (*One != '\0' && *Two == '\0')
return 1;
if (*One == '\0' && *Two == '\0')
return 0;
*One++;
*Two++;
}
}
struct Options doargs (char **argv, int argc) {
int i;
int count = 0;
FILE *need = NULL;
struct Options FileOptions;
FileOptions.conti = 0;
if (argv[1] == NULL) {
printf("leoc: no arguments.\n");
FileOptions.conti = 1;
return FileOptions;
}
for (i = 1; argv[i] != NULL; i++) {
if (argv[i][0] == '-') {
switch (argv[i][1]) {
case '\0':
printf("leoc: unreconized option \"-\".\n");
FileOptions.conti = 1;
return FileOptions;
case '-':
if (strcmp (argv[i], "--help") == 0)
usage ();
else if (strcmp (argv[i], "--output") == 0) {
i++;
if (argv[i] == NULL) {
printf("leoc: option \"--output\" used but no output file specified.\n");
FileOptions.conti = 1;
return FileOptions;
}
else FileOptions.output = argv[i];
}
else if (strcmp (argv[i], "--format") == 0) {
i++;
if (argv[i] == NULL) {
printf("leoc: option \"-f\" used but no format specified.\n");
FileOptions.conti = 1;
return FileOptions;
}
else {
if (strcmp(argv[i], "win32") == 0 || strcmp(argv[i], "WIN32") == 0)
FileOptions.format = FORMAT_WIN32;
else if (strcmp(argv[i], "elf") == 0 || strcmp(argv[i], "ELF") == 0)
FileOptions.format = FORMAT_ELF;
else if (strcmp(argv[i], "bin") == 0 || strcmp(argv[i], "BIN") == 0)
FileOptions.format = FORMAT_BIN;
else {
printf("leoc: unreconized format : \"%s\".\n", argv[i]);
FileOptions.conti = 1;
return FileOptions;
}
}
}
else {
printf("leoc: unreconized option \"%s\".\n", argv[i]);
FileOptions.conti = 1;
return FileOptions;
}
break;
case 'h':
usage ();
break;
case 'o':
i++;
if (argv[i] == NULL) {
printf("leoc: option \"-o\" used but no output file specified.\n");
FileOptions.conti = 1;
return FileOptions;
}
else FileOptions.output = argv[i];
break;
case 'f':
i++;
if (argv[i] == NULL) {
printf("leoc: option \"-f\" used but no format specified.\n");
FileOptions.conti = 1;
return FileOptions;
}
else {
if (strcmp(argv[i], "win32") == 0 || strcmp(argv[i], "WIN32") == 0)
FileOptions.format = FORMAT_WIN32;
else if (strcmp(argv[i], "elf") == 0 || strcmp(argv[i], "ELF") == 0)
FileOptions.format = FORMAT_ELF;
else if (strcmp(argv[i], "bin") == 0 || strcmp(argv[i], "BIN") == 0)
FileOptions.format = FORMAT_BIN;
else {
printf("leoc: unreconized format : \"%s\".\n", argv[i]);
FileOptions.conti = 1;
return FileOptions;
}
}
break;
default:
printf("leoc: unreconized option \"%s\".\n", argv[i]);
FileOptions.conti = 1;
return FileOptions;
}
}
else {
if ((need = fopen(argv[i], "r")) == NULL) {
printf("leoc: unreconized option \"%s\".\n", argv[i]);
FileOptions.conti = 1;
return FileOptions;
}
else {
fclose(need);
FileOptions.inputs[count] = argv[i];
count++;
}
}
}
if (FileOptions.output == NULL)
FileOptions.output = "out.exe";
if (FileOptions.format == 17)
#if defined (WIN32)
FileOptions.format = FORMAT_WIN32;
#elif defined (linux)
FileOptions.format = FORMAT_ELF;
#else
FileOptions.format = FORMAT_BIN;
#endif
if (FileOptions.inputs[0] == NULL) {
printf("leoc: no input file specified.\n");
FileOptions.conti = 1;
return FileOptions;
}
FileOptions.FileNbr = count;
return FileOptions;
} |
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