http://msdn.microsoft.com/library/default.asp?url=/library/en-us/netmgmt/netmgmt/netfileenum_sample_windows_95_98_me_.asp#include <stdio.h> #include <assert.h> #include <windows.h> #include <svrapi.h>const short MAX_ENTRIES = 20;int main(int argc, char FAR * argv[]) { char FAR * pszServerName = NULL; short nLevel = 50; struct file_info_50* pBuf = NULL; struct file_info_50* pTmpBuf = NULL; short cbBuffer; short nEntriesRead = 0; short nTotalEntries = 0; short nTotalCount = 0; int i; NET_API_STATUS nStatus; // // ServerName can be NULL to indicate the local computer. // if (argc > 2) { printf("Usage: %s [\\\\ServerName]\n", argv[0]); exit(1); } if (argc == 2) pszServerName = argv[1]; // // Allocate the memory required to receive a maximum of // 20 file_info_50 structures. // cbBuffer = MAX_ENTRIES * sizeof(struct file_info_50); pBuf = malloc(cbBuffer); if (pBuf == NULL) printf("No memory\n"); // Call the NetFileEnum function to list the // open files, specifying information level 50. // nStatus = NetFileEnum(pszServerName, NULL, nLevel, (char FAR *)pBuf, cbBuffer, &nEntriesRead, &nTotalEntries); // // Loop through the entries; process errors. // if ((nStatus == NERR_Success) || (nStatus == ERROR_MORE_DATA)) { if ((pTmpBuf = pBuf) != NULL) { for (i = 0; (i < nEntriesRead); i++) { assert(pTmpBuf != NULL); if (pTmpBuf == NULL) { fprintf(stderr, "An access violation has occurred\n"); break; } // // Display the information for each entry retrieved. // printf("\tShare: %s\n", pTmpBuf->fi50_sharename); printf("\n\tPath: %s\n", pTmpBuf->fi50_pathname); printf("\tUser: %s\n", pTmpBuf->fi50_username); printf("\tID: %d\n", pTmpBuf->fi50_id); pTmpBuf++; nTotalCount++; } } } else fprintf(stderr, "A system error has occurred: %d\n", nStatus); // // Display a warning if the buffer was not large enough // to contain all available entries. // if ((nEntriesRead < nTotalEntries) || (nStatus == ERROR_MORE_DATA)) fprintf(stderr, "Not all entries have been enumerated\n"); // // Free the allocated memory. // if (pBuf != NULL) free(pBuf); fprintf(stderr, "\nTotal of %d entries enumerated\n", nTotalCount); return 0; }
#include <assert.h>
#include <windows.h>
#include <svrapi.h>const short MAX_ENTRIES = 20;int main(int argc, char FAR * argv[])
{
char FAR * pszServerName = NULL;
short nLevel = 50;
struct file_info_50* pBuf = NULL;
struct file_info_50* pTmpBuf = NULL;
short cbBuffer;
short nEntriesRead = 0;
short nTotalEntries = 0;
short nTotalCount = 0;
int i;
NET_API_STATUS nStatus;
//
// ServerName can be NULL to indicate the local computer.
//
if (argc > 2)
{
printf("Usage: %s [\\\\ServerName]\n", argv[0]);
exit(1);
} if (argc == 2)
pszServerName = argv[1];
//
// Allocate the memory required to receive a maximum of
// 20 file_info_50 structures.
//
cbBuffer = MAX_ENTRIES * sizeof(struct file_info_50); pBuf = malloc(cbBuffer); if (pBuf == NULL)
printf("No memory\n"); // Call the NetFileEnum function to list the
// open files, specifying information level 50.
//
nStatus = NetFileEnum(pszServerName,
NULL,
nLevel,
(char FAR *)pBuf,
cbBuffer,
&nEntriesRead,
&nTotalEntries);
//
// Loop through the entries; process errors.
//
if ((nStatus == NERR_Success) || (nStatus == ERROR_MORE_DATA))
{
if ((pTmpBuf = pBuf) != NULL)
{
for (i = 0; (i < nEntriesRead); i++)
{
assert(pTmpBuf != NULL); if (pTmpBuf == NULL)
{
fprintf(stderr, "An access violation has occurred\n");
break;
}
//
// Display the information for each entry retrieved.
//
printf("\tShare: %s\n", pTmpBuf->fi50_sharename);
printf("\n\tPath: %s\n", pTmpBuf->fi50_pathname);
printf("\tUser: %s\n", pTmpBuf->fi50_username);
printf("\tID: %d\n", pTmpBuf->fi50_id); pTmpBuf++;
nTotalCount++;
}
}
}
else
fprintf(stderr, "A system error has occurred: %d\n", nStatus);
//
// Display a warning if the buffer was not large enough
// to contain all available entries.
//
if ((nEntriesRead < nTotalEntries) || (nStatus == ERROR_MORE_DATA))
fprintf(stderr, "Not all entries have been enumerated\n");
//
// Free the allocated memory.
//
if (pBuf != NULL)
free(pBuf); fprintf(stderr, "\nTotal of %d entries enumerated\n", nTotalCount); return 0;
}