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Introduce helper function empty_string()

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There are ca. 50 constructs of the kind
  same_string(s, "")
to test for empty or null strings. Replace them by the new helper
function empty_string().

Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
This commit is contained in:
Berthold Stoeger 2018-01-07 11:12:48 +01:00 • committed by Lubomir I. Ivanov
parent 86ef9fce75
commit e85ecdd925
21 changed files with 53 additions and 48 deletions
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2
core/linux.c
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@ -81,7 +81,7 @@ const char *system_default_filename(void)
static const char *path = NULL;
if (!path) {
const char *user = getenv("LOGNAME");
if (same_string(user, ""))
if (empty_string(user))
user = "username";
char *filename = calloc(strlen(user) + 5, 1);
strcat(filename, user);