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hdd_menu: avoid possible format-truncation errors

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Origin commit data
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Branch: ni/coolstream
Commit: 01f8e5878b
Author: Thilo Graf <dbt@novatux.de>
Date: 2020-01-06 (Mon, 06 Jan 2020)


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This commit was generated by Migit
This commit is contained in:
Thilo Graf
2020-01-06 22:22:41 +01:00
committed by vanhofen
parent 6679a7236c
commit 9db4394adf
1 changed files with 11 additions and 10 deletions
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21
src/gui/hdd_menu.cpp
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@@ -670,16 +670,17 @@ bool CHDDMenuHandler::scanDevices()
printf("HDD: root_dev: 0x%04x\n", root_dev);
for(int i = 0; i < n;i++) {
char str[256];
char str[255];
char vendor[128] = { 0 };
char model[128] = { 0 };
int64_t bytes = 0;
int64_t megabytes;
bool oldkernel = false;
bool isroot = false;
size_t d_str_size = sizeof(namelist[i]->d_name);
printf("HDD: checking /sys/block/%s\n", namelist[i]->d_name);
snprintf(str, sizeof(str), "/dev/%s", namelist[i]->d_name);
snprintf(str, sizeof(str)+d_str_size, "/dev/%s", namelist[i]->d_name);
int fd = open(str, O_RDONLY);
if (fd >= 0) {
if (ioctl(fd, BLKGETSIZE64, &bytes))
@@ -702,11 +703,11 @@ bool CHDDMenuHandler::scanDevices()
megabytes = bytes/1000000;
snprintf(str, sizeof(str), "/sys/block/%s/device/vendor", namelist[i]->d_name);
snprintf(str, sizeof(str)+d_str_size, "/sys/block/%s/device/vendor", namelist[i]->d_name);
FILE * f = fopen(str, "r");
if(!f) {
printf("Cant open %s\n", str);
snprintf(str, sizeof(str), "/sys/block/%s/device/type", namelist[i]->d_name);
snprintf(str, sizeof(str)+d_str_size, "/sys/block/%s/device/type", namelist[i]->d_name);
f = fopen(str, "r");
}
if (f) {
@@ -719,13 +720,13 @@ bool CHDDMenuHandler::scanDevices()
/* the Tripledragon only has kernel 2.6.12 available.... :-( */
if (oldkernel)
snprintf(str, sizeof(str), "/proc/ide/%s/model", namelist[i]->d_name);
snprintf(str, sizeof(str)+d_str_size, "/proc/ide/%s/model", namelist[i]->d_name);
else
snprintf(str, sizeof(str), "/sys/block/%s/device/model", namelist[i]->d_name);
snprintf(str, sizeof(str)+d_str_size, "/sys/block/%s/device/model", namelist[i]->d_name);
f = fopen(str, "r");
if(!f) {
printf("Cant open %s\n", str);
snprintf(str, sizeof(str), "/sys/block/%s/device/name", namelist[i]->d_name);
snprintf(str, sizeof(str)+d_str_size, "/sys/block/%s/device/name", namelist[i]->d_name);
f = fopen(str, "r");
}
if (f) {
@@ -754,8 +755,8 @@ bool CHDDMenuHandler::scanDevices()
hdd.desc = hdd.devname;
hdd_list.push_back(hdd);
}
snprintf(str, sizeof(str), "%s %s %ld %s", vendor, model, (long)(megabytes < 10000 ? megabytes : megabytes/1000), megabytes < 10000 ? "MB" : "GB");
d_str_size = sizeof(vendor) + sizeof(model);
snprintf(str, sizeof(str)+d_str_size, "%s %s %ld %s", vendor, model, (long)(megabytes < 10000 ? megabytes : megabytes/1000), megabytes < 10000 ? "MB" : "GB");
printf("HDD: %s\n", str);
devtitle[namelist[i]->d_name] = str;
@@ -1456,7 +1457,7 @@ int CHDDDestExec::exec(CMenuTarget* /*parent*/, const std::string&)
char M_opt[50],S_opt[50], opt[100];
snprintf(S_opt, sizeof(S_opt), "-S%d", g_settings.hdd_sleep);
snprintf(M_opt, sizeof(M_opt), "-M%d", g_settings.hdd_noise);
snprintf(opt, sizeof(opt), "/dev/%s",namelist[i]->d_name);
snprintf(opt, sizeof(opt)+sizeof(namelist[i]->d_name), "/dev/%s",namelist[i]->d_name);
if (have_nonbb_hdparm)
my_system(4, hdparm, M_opt, S_opt, opt);