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authormakepost <makepost@firemail.cc>2019-05-10 18:24:26 +0300
committerRob Landley <rob@landley.net>2019-05-10 19:19:50 -0500
commit4ed8782eddfa0faf52ec5c273559166840fec776 (patch)
tree31fd303552b0aa54fc72f89d2065d73705aacc87 /toys
parent3b9d89d673547eb0e01e9c4ffcd921ac49afb54d (diff)
downloadtoybox-4ed8782eddfa0faf52ec5c273559166840fec776.tar.gz
Walk -M /dir:/dir0:/dirN in man.
Iterate over MANPATH and ordered sections using a manpath() helper equivalent of indenting logic of man x, man 1 x, and man -k each with a strsep loop.
Diffstat (limited to 'toys')
-rw-r--r--toys/pending/man.c32
1 files changed, 22 insertions, 10 deletions
diff --git a/toys/pending/man.c b/toys/pending/man.c
index 82d3c2c9..1d3487d0 100644
--- a/toys/pending/man.c
+++ b/toys/pending/man.c
@@ -32,7 +32,7 @@ config MAN
GLOBALS(
char *M, *k;
- char any, cell, ex, *f, k_done, *line, **sufs;
+ char any, cell, ex, *f, k_done, *line, *m, **sct, **scts, **sufs;
regex_t reg;
)
@@ -137,11 +137,19 @@ static int zopen(char *s)
return fds[1];
}
+static char manpath()
+{
+ if (*++TT.sct) return 0;
+ if (!(TT.m = strsep(&TT.M, ":"))) return 1;
+ TT.sct = TT.scts;
+ return 0;
+}
+
// Try opening all the possible file extensions.
-int tryfile(char *section, char *name)
+static int tryfile(char *name)
{
- char *s = xmprintf("%s/man%s/%s.%s.bz2", TT.M, section, name, section), **suf;
int dotnum, fd = -1;
+ char *s = xmprintf("%s/man%s/%s.%s.bz2", TT.m, *TT.sct, name, *TT.sct), **suf;
size_t len = strlen(s) - 4;
for (dotnum = 0; dotnum <= 2; dotnum += 2) {
@@ -156,7 +164,8 @@ int tryfile(char *section, char *name)
void man_main(void)
{
int fd = -1;
- char **order = (char *[]) {"1", "8", "3", "2", "5", "4", "6", "7", 0};
+ TT.scts = (char *[]) {"1", "8", "3", "2", "5", "4", "6", "7", 0};
+ TT.sct = TT.scts - 1; // First manpath() read increments.
TT.sufs = (char *[]) {".bz2", ".gz", ".xz", "", 0};
if (!TT.M) TT.M = getenv("MANPATH");
@@ -167,8 +176,8 @@ void man_main(void)
DIR *dp;
struct dirent *entry;
if (regcomp(&TT.reg, TT.k, REG_ICASE|REG_NOSUB)) error_exit("bad regex");
- while (*order) {
- d = xmprintf("%s/man%s", TT.M, *order++);
+ while (!manpath()) {
+ d = xmprintf("%s/man%s", TT.m, *TT.sct);
if (!(dp = opendir(d))) continue;
while ((entry = readdir(dp))) {
if (entry->d_name[0] == '.') continue;
@@ -190,12 +199,15 @@ void man_main(void)
if (toys.optc == 1) {
if (strchr(*toys.optargs, '/')) fd = zopen(*toys.optargs);
- else while ((fd == -1) && *order) fd = tryfile(*order++, *toys.optargs);
- if (!*order) error_exit("no %s", *toys.optargs);
+ else while ((fd == -1) && !manpath()) fd = tryfile(*toys.optargs);
+ if (fd == -1) error_exit("no %s", *toys.optargs);
// If they specified a section, look for file in that section
- } else if (-1 == (fd = tryfile(toys.optargs[0], toys.optargs[1])))
- error_exit("section %s no %s", toys.optargs[0], toys.optargs[1]);
+ } else {
+ TT.scts = (char *[]){*toys.optargs, 0}, TT.sct = TT.scts - 1;
+ while ((fd == -1) && !manpath()) fd = tryfile(toys.optargs[1]);
+ if (fd == -1) error_exit("section %s no %s", *--TT.sct, toys.optargs[1]);
+ }
do_lines(fd, '\n', do_man);
}