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Only display return from readline() when there's something to show.

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This commit is contained in:
Joachim Nilsson
2010-08-07 00:08:31 +02:00
parent 1c89c9886c
commit 78d9a3a07a
1 changed files with 2 additions and 1 deletions
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3
examples/cli.c
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@@ -114,7 +114,8 @@ int main(int ac __attribute__ ((unused)), char *av[] __attribute__ ((unused)))
read_history(HISTORY); read_history(HISTORY);
while ((line = readline(prompt)) != NULL) { while ((line = readline(prompt)) != NULL) {
printf("\t\t\t|%s|\n", line); if (*line != '\0')
printf("\t\t\t|%s|\n", line);
free(line); free(line);
} }