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the remaining size of buffer should minus prefix_len

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ideal 2019-09-04 23:02:13 +08:00
parent d78c810d84
commit bc28d6ce19
1 changed files with 1 additions and 1 deletions
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echosrv.c
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@ -106,7 +106,7 @@ void start_echo(int fd)
strcpy(buffer, prefix); strcpy(buffer, prefix);
while (1) { while (1) {
ret = read(fd, buffer + prefix_len, sizeof(buffer)); ret = read(fd, buffer + prefix_len, sizeof(buffer) - prefix_len);
if (ret == -1) { if (ret == -1) {
fprintf(stderr, "%s", strerror(errno)); fprintf(stderr, "%s", strerror(errno));
return; return;