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basic/strv: introduce STRV_IGNORE macro (#3601)

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to hide casting of '-1' strings and make code cleaner.
This commit is contained in:
0xAX
2016-06-27 23:26:07 +02:00
committed by Martin Pitt
parent 2027927b10
commit f9d14060ae
2 changed files with 8 additions and 6 deletions
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src/basic/strv.c
+5 -5
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@@ -139,16 +139,16 @@ char **strv_new_ap(const char *x, va_list ap) {
va_list aq;
/* As a special trick we ignore all listed strings that equal
* (const char*) -1. This is supposed to be used with the
* STRV_IGNORE. This is supposed to be used with the
* STRV_IFNOTNULL() macro to include possibly NULL strings in
* the string list. */
if (x) {
n = x == (const char*) -1 ? 0 : 1;
n = x == STRV_IGNORE ? 0 : 1;
va_copy(aq, ap);
while ((s = va_arg(aq, const char*))) {
if (s == (const char*) -1)
if (s == STRV_IGNORE)
continue;
n++;
@@ -162,7 +162,7 @@ char **strv_new_ap(const char *x, va_list ap) {
return NULL;
if (x) {
if (x != (const char*) -1) {
if (x != STRV_IGNORE) {
a[i] = strdup(x);
if (!a[i])
goto fail;
@@ -171,7 +171,7 @@ char **strv_new_ap(const char *x, va_list ap) {
while ((s = va_arg(ap, const char*))) {
if (s == (const char*) -1)
if (s == STRV_IGNORE)
continue;
a[i] = strdup(s);