Created
January 24, 2020 22:20
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#include <windows.h> | |
#include <stdio.h> | |
#define INITIAL_BUFFER (MAX_PATH * 5) | |
char *listAllDirectories(char *path) { | |
WIN32_FIND_DATA data; | |
size_t bufferSize = INITIAL_BUFFER; | |
char *directories = (char*)calloc(1, bufferSize); | |
char *buffer = directories; | |
size_t offset = buffer - directories; | |
HANDLE hFind = FindFirstFile(path, &data); | |
if ( hFind != INVALID_HANDLE_VALUE ) { | |
do { | |
strcpy(buffer, data.cFileName); | |
buffer += strlen(buffer) + 1; | |
offset = buffer - directories; | |
if( bufferSize - offset < MAX_PATH ) { | |
char* newDirectories; | |
bufferSize *= 2; | |
newDirectories = (char*) realloc(directories, bufferSize); | |
if(newDirectories == NULL) { | |
fprintf(stderr, "Falha na alocacao de memoria!\n"); | |
free(directories); | |
return NULL; | |
} | |
directories = newDirectories; | |
buffer = directories + offset; | |
} | |
} while (FindNextFile(hFind, &data)); | |
*buffer = '\0'; | |
FindClose(hFind); | |
} | |
return directories; | |
} | |
int main(int argc, char* argv[]) { | |
if( argc == 2 ) { | |
char* directories = listAllDirectories(argv[1]); | |
if( directories != NULL ) { | |
char* directory = directories; | |
while( *directory ) { | |
printf("%s\n", directory); | |
directory += strlen(directory) + 1; | |
} | |
free(directories); | |
} | |
} | |
else { | |
printf("How to use: list_all_directories.exe <path_with_wildcards>\n"); | |
return 1; | |
} | |
return 0; | |
} |
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