From: Costa Shulyupin Date: Tue, 22 Feb 2022 18:58:05 +0000 (+0200) Subject: lib/cgraph: use return value of 'fread' in aglasterr X-Git-Tag: 3.0.0~11^2 X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=29ff8ae9f3dd7b583100d62cdce66d49260c1b5b;p=graphviz lib/cgraph: use return value of 'fread' in aglasterr fix warning: agerror.c: In function ‘aglasterr’: agerror.c:49:5: warning: ignoring return value of ‘fread’, declared with attribute warn_unused_result [-Wunused-result] 49 | fread(buf, sizeof(char), len, agerrout); --- diff --git a/lib/cgraph/agerror.c b/lib/cgraph/agerror.c index b091ea763..543cf7c47 100644 --- a/lib/cgraph/agerror.c +++ b/lib/cgraph/agerror.c @@ -46,7 +46,7 @@ char *aglasterr() size_t len = (size_t)(endpos - aglast); char *buf = malloc(len + 1); fseek(agerrout, aglast, SEEK_SET); - fread(buf, sizeof(char), len, agerrout); + len = fread(buf, sizeof(char), len, agerrout); buf[len] = '\0'; fseek(agerrout, endpos, SEEK_SET);