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mraa.c: simplify mraa_get_platform_name with subplatforms

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This removes the chance of buffer overflow with a subplatform

Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>
This commit is contained in:
Brendan Le Foll
2015-09-18 11:52:49 +01:00
parent 434f454139
commit 32aa4310c8
1 changed files with 4 additions and 3 deletions
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7
src/mraa.c
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@@ -408,11 +408,12 @@ mraa_get_platform_name()
if (plat == NULL) {
return NULL;
}
strncpy(platform_name, plat->platform_name, MAX_PLATFORM_NAME_LENGTH);
if (mraa_has_sub_platform()) {
strncat(platform_name, " + ", MAX_PLATFORM_NAME_LENGTH);
strncat(platform_name, plat->sub_platform->platform_name, MAX_PLATFORM_NAME_LENGTH);
snprintf(platform_name, MAX_PLATFORM_NAME_LENGTH, "%s + %s", plat->platform_name, plat->sub_platform->platform_name);
} else {
strncpy(platform_name, plat->platform_name, MAX_PLATFORM_NAME_LENGTH);
}
return platform_name;
}