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roken/mkdtemp.c: fix incorrect indexing

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Both the len and the index was decremented, which made the exit
condition (template[len - i] == 'X') trigger before it should.
Fixes solaris10 where mkdtemp is not available.
This commit is contained in:
Robert Manner
2022-11-28 16:44:16 +01:00
committed by Nico Williams
parent d3b08638f9
commit 64a55c30fa
1 changed files with 1 additions and 2 deletions
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lib/roken/mkdtemp.c
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@@ -59,9 +59,8 @@ mkdtemp(char *template)
pid_t val = getpid(); pid_t val = getpid();
for (i = 0; i < len && i < 7 && template[len - i] == 'X'; i++) { for (i = 0; i < len && i < 7 && template[len - i] == 'X'; i++) {
template[len] = '0' + val % 10; template[len - i] = '0' + val % 10;
val /= 10; val /= 10;
len--;
if (!val) if (!val)
val = getpid(); val = getpid();
} }