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py: Fix vstr_init for case that alloc = 0.

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Damien George 2014-03-31 17:10:59 +01:00
parent 43e92cfb52
commit 8cd72bdf92
1 changed files with 4 additions and 0 deletions
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4
py/vstr.c
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@ -10,6 +10,10 @@
#define ROUND_ALLOC(a) (((a) & ((~0) - 7)) + 8) #define ROUND_ALLOC(a) (((a) & ((~0) - 7)) + 8)
void vstr_init(vstr_t *vstr, int alloc) { void vstr_init(vstr_t *vstr, int alloc) {
if (alloc < 2) {
// need at least 1 byte for the null byte at the end
alloc = 2;
}
vstr->alloc = alloc; vstr->alloc = alloc;
vstr->len = 0; vstr->len = 0;
vstr->buf = m_new(char, vstr->alloc); vstr->buf = m_new(char, vstr->alloc);