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Use static vars in frequently used APIs

This commit is contained in:
Arun Prakash Jana 2017-12-13 02:41:30 +05:30
parent 5ae9993a12
commit c3545dd82f
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GPG Key ID: A75979F35C080412
1 changed files with 7 additions and 8 deletions
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nnn.c
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@ -450,7 +450,8 @@ static char *
xdirname(const char *path) xdirname(const char *path)
{ {
static char *buf = g_buf; static char *buf = g_buf;
static char *last_slash; static char *last_slash, *runp;
xstrlcpy(buf, path, PATH_MAX); xstrlcpy(buf, path, PATH_MAX);
@ -459,8 +460,6 @@ xdirname(const char *path)
if (last_slash != NULL && last_slash != buf && last_slash[1] == '\0') { if (last_slash != NULL && last_slash != buf && last_slash[1] == '\0') {
/* Determine whether all remaining characters are slashes. */ /* Determine whether all remaining characters are slashes. */
char *runp;
for (runp = last_slash; runp != buf; --runp) for (runp = last_slash; runp != buf; --runp)
if (runp[-1] != '/') if (runp[-1] != '/')
break; break;
@ -472,8 +471,6 @@ xdirname(const char *path)
if (last_slash != NULL) { if (last_slash != NULL) {
/* Determine whether all remaining characters are slashes. */ /* Determine whether all remaining characters are slashes. */
char *runp;
for (runp = last_slash; runp != buf; --runp) for (runp = last_slash; runp != buf; --runp)
if (runp[-1] != '/') if (runp[-1] != '/')
break; break;
@ -609,10 +606,12 @@ spawn(char *file, char *arg1, char *arg2, char *dir, uchar flag)
static char * static char *
xgetenv(char *name, char *fallback) xgetenv(char *name, char *fallback)
{ {
static char *value;
if (name == NULL) if (name == NULL)
return fallback; return fallback;
char *value = getenv(name); value = getenv(name);
return value && value[0] ? value : fallback; return value && value[0] ? value : fallback;
} }
@ -726,8 +725,8 @@ strstrip(char *s)
static char * static char *
getmime(char *file) getmime(char *file)
{ {
regex_t regex; static regex_t regex;
uint i; static uint i;
static uint len = LEN(assocs); static uint len = LEN(assocs);
for (i = 0; i < len; ++i) { for (i = 0; i < len; ++i) {