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asprintf.c: optimize size + 1

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with fixup applied
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パチュリー・ノーレッジ 2024-01-28 13:41:49 +03:00
parent f98cbbaf84
commit cde36888a3
Signed by: 80486DX2-66
GPG Key ID: 83631EF27054609B
1 changed files with 2 additions and 2 deletions
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c-programming/asprintf.c
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@ -17,13 +17,13 @@ ssize_t asprintf(char** strp, char* format, ...) {
return -1; return -1;
} }
*strp = malloc(size + 1); *strp = malloc(++size);
if (*strp == NULL) { if (*strp == NULL) {
va_end(args); va_end(args);
return -1; return -1;
} }
ssize_t result = (ssize_t) vsnprintf(*strp, size + 1, format, args); ssize_t result = (ssize_t) vsnprintf(*strp, size, format, args);
va_end(args); va_end(args);
if (result < 0) { if (result < 0) {