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author | stefanf <stefanf@FreeBSD.org> | 2009-03-22 21:09:22 +0000 |
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committer | stefanf <stefanf@FreeBSD.org> | 2009-03-22 21:09:22 +0000 |
commit | e6a7778d7d568f3c1e94c6e4b4cc0c78bc5860bd (patch) | |
tree | 82d11c69a07cb53cb25775e31e771577b7994f26 /bin | |
parent | 372b71c71052f117abe52e6826cc68caff123083 (diff) | |
download | FreeBSD-src-e6a7778d7d568f3c1e94c6e4b4cc0c78bc5860bd.zip FreeBSD-src-e6a7778d7d568f3c1e94c6e4b4cc0c78bc5860bd.tar.gz |
- Apply the r190270 changes to printing of single aliases too.
- Sort the aliases before printing them.
Diffstat (limited to 'bin')
-rw-r--r-- | bin/sh/alias.c | 71 |
1 files changed, 48 insertions, 23 deletions
diff --git a/bin/sh/alias.c b/bin/sh/alias.c index 6d784f5..ea7ce55 100644 --- a/bin/sh/alias.c +++ b/bin/sh/alias.c @@ -50,6 +50,7 @@ __FBSDID("$FreeBSD$"); #define ATABSIZE 39 STATIC struct alias *atab[ATABSIZE]; +STATIC int aliases; STATIC void setalias(char *, char *); STATIC int unalias(const char *); @@ -106,6 +107,7 @@ setalias(char *name, char *val) ap->flag = 0; ap->next = *app; *app = ap; + aliases++; INTON; } @@ -135,6 +137,7 @@ unalias(const char *name) ckfree(ap); INTON; } + aliases--; return (0); } } @@ -168,6 +171,7 @@ rmaliases(void) ckfree(tmp); } } + aliases = 0; INTON; } @@ -187,9 +191,47 @@ lookupalias(char *name, int check) return (NULL); } -/* - * TODO - sort output - */ +static int +comparealiases(const void *p1, const void *p2) +{ + const struct alias *const *a1 = p1; + const struct alias *const *a2 = p2; + + return strcmp((*a1)->name, (*a2)->name); +} + +static void +printalias(const struct alias *a) +{ + char *p; + + out1fmt("%s=", a->name); + /* Don't print the space added above. */ + p = a->val + strlen(a->val) - 1; + *p = '\0'; + out1qstr(a->val); + *p = ' '; + out1c('\n'); +} + +static void +printaliases(void) +{ + int i, j; + struct alias **sorted, *ap; + + sorted = ckmalloc(aliases * sizeof(*sorted)); + j = 0; + for (i = 0; i < ATABSIZE; i++) + for (ap = atab[i]; ap; ap = ap->next) + if (*ap->name != '\0') + sorted[j++] = ap; + qsort(sorted, aliases, sizeof(*sorted), comparealiases); + for (i = 0; i < aliases; i++) + printalias(sorted[i]); + ckfree(sorted); +} + int aliascmd(int argc, char **argv) { @@ -198,21 +240,7 @@ aliascmd(int argc, char **argv) struct alias *ap; if (argc == 1) { - int i; - - for (i = 0; i < ATABSIZE; i++) - for (ap = atab[i]; ap; ap = ap->next) { - if (*ap->name != '\0') { - out1fmt("%s=", ap->name); - /* Don't print the space added - * above. */ - v = ap->val + strlen(ap->val) - 1; - *v = '\0'; - out1qstr(ap->val); - *v = ' '; - out1c('\n'); - } - } + printaliases(); return (0); } while ((n = *++argv) != NULL) { @@ -220,11 +248,8 @@ aliascmd(int argc, char **argv) if ((ap = lookupalias(n, 0)) == NULL) { outfmt(out2, "alias: %s not found\n", n); ret = 1; - } else { - out1fmt("alias %s=", n); - out1qstr(ap->val); - out1c('\n'); - } + } else + printalias(ap); else { *v++ = '\0'; setalias(n, v); |