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[utils,string] fix freerdp_extract_key_value

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reset errno before strtoul to avoid aborting due to a previous errno
value from a different function call
This commit is contained in:
akallabeth
2024-10-29 16:25:53 +01:00
parent e9b942f612
commit 24ab4b297f
1 changed files with 2 additions and 0 deletions
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2
libfreerdp/utils/string.c
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@@ -112,10 +112,12 @@ BOOL freerdp_extract_key_value(const char* str, UINT32* pkey, UINT32* pvalue)
return FALSE;
char* end1 = NULL;
errno = 0;
unsigned long key = strtoul(str, &end1, 0);
if ((errno != 0) || !end1 || (*end1 != '=') || (key > UINT32_MAX))
return FALSE;
errno = 0;
unsigned long val = strtoul(&end1[1], NULL, 0);
if ((errno != 0) || (val > UINT32_MAX))
return FALSE;