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General refactor.

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This commit is contained in:
Natalia Portillo
2019-10-19 18:30:45 +01:00
parent 4e9a16f404
commit 78d23fce19
20 changed files with 905 additions and 912 deletions
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58
linux/pcmcia.c
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@@ -15,8 +15,6 @@
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "linux.h"
#include <dirent.h>
#include <stdint.h>
#include <stdio.h>
@@ -24,55 +22,55 @@
#include <sys/stat.h>
#include <unistd.h>
uint8_t linux_get_pcmcia_data(const char* devicePath, uint16_t* cisLen, char* cis)
uint8_t LinuxGetPcmciaData(const char* device_path, uint16_t* cis_len, char* cis)
{
char* devPath;
char tmpPath[4096];
char resolvedLink[4096];
char* dev_path;
char tmp_path[4096];
char resolved_link[4096];
struct stat sb;
ssize_t len;
char* rchr;
FILE* file;
DIR* dir;
struct dirent* dent;
*cisLen = 0;
*cis_len = 0;
memset(tmpPath, 0, 4096);
memset(resolvedLink, 0, 4096);
memset(tmp_path, 0, 4096);
memset(resolved_link, 0, 4096);
if(strncmp(devicePath, "/dev/sd", 7) != 0 && strncmp(devicePath, "/dev/sr", 7) != 0 &&
strncmp(devicePath, "/dev/st", 7) != 0)
if(strncmp(device_path, "/dev/sd", 7) != 0 && strncmp(device_path, "/dev/sr", 7) != 0 &&
strncmp(device_path, "/dev/st", 7) != 0)
return 0;
devPath = (char*)devicePath + 5;
dev_path = (char*)device_path + 5;
snprintf(tmpPath, 4096, "/sys/block/%s", devPath);
snprintf(tmp_path, 4096, "/sys/block/%s", dev_path);
if(stat(tmpPath, &sb) != 0 || !S_ISDIR(sb.st_mode)) { return 0; }
if(stat(tmp_path, &sb) != 0 || !S_ISDIR(sb.st_mode)) { return 0; }
len = readlink(tmpPath, resolvedLink, 4096);
len = readlink(tmp_path, resolved_link, 4096);
if(len == 0) return 0;
memset(tmpPath, 0, 4096);
snprintf(tmpPath, 4096, "/sys%s", resolvedLink + 2);
memcpy(resolvedLink, tmpPath, 4096);
memset(tmp_path, 0, 4096);
snprintf(tmp_path, 4096, "/sys%s", resolved_link + 2);
memcpy(resolved_link, tmp_path, 4096);
while(strstr(resolvedLink, "/sys/devices") != NULL)
while(strstr(resolved_link, "/sys/devices") != NULL)
{
rchr = strrchr(resolvedLink, '/');
rchr = strrchr(resolved_link, '/');
if(rchr == NULL) break;
*rchr = '\0';
if(strlen(resolvedLink) == 0) break;
if(strlen(resolved_link) == 0) break;
memset(tmpPath, 0, 4096);
snprintf(tmpPath, 4096, "%s/pcmcia_socket", resolvedLink);
if(access(tmpPath, R_OK) != 0) continue;
memset(tmp_path, 0, 4096);
snprintf(tmp_path, 4096, "%s/pcmcia_socket", resolved_link);
if(access(tmp_path, R_OK) != 0) continue;
dir = opendir(tmpPath);
dir = opendir(tmp_path);
if(!dir) continue;
do
@@ -85,14 +83,14 @@ uint8_t linux_get_pcmcia_data(const char* devicePath, uint16_t* cisLen, char* ci
if(!dent) continue;
memset(tmpPath, 0, 4096);
snprintf(tmpPath, 4096, "%s/pcmcia_socket/%s/cis", resolvedLink, dent->d_name);
if(access(tmpPath, R_OK) != 0) continue;
memset(tmp_path, 0, 4096);
snprintf(tmp_path, 4096, "%s/pcmcia_socket/%s/cis", resolved_link, dent->d_name);
if(access(tmp_path, R_OK) != 0) continue;
file = fopen(tmpPath, "r");
file = fopen(tmp_path, "r");
if(!file) return 0;
*cisLen = fread(cis, 65536, 1, file);
*cis_len = fread(cis, 65536, 1, file);
return 1;
}