diff options
Diffstat (limited to 'src/man.c')
| -rw-r--r-- | src/man.c | 73 |
1 files changed, 72 insertions, 1 deletions
@@ -102,7 +102,6 @@ static char *cwd; #include "globbing.h" #include "ult_src.h" #include "manp.h" -#include "convert_name.h" #include "zsoelim.h" #include "manconv_client.h" @@ -2324,6 +2323,78 @@ static int display (const char *dir, const char *man_file, return found; } +static inline void gripe_converting_name (const char *name) ATTRIBUTE_NORETURN; +static inline void gripe_converting_name (const char *name) +{ + error (FATAL, 0, _("Can't convert %s to cat name"), name); + abort (); /* error should have exited; help compilers prove noreturn */ +} + +/* Convert the trailing part of 'name' to be a cat page path by altering its + * extension appropriately. If fsstnd is set, also try converting the + * containing directory name from "man1" to "cat1" etc., returning NULL if + * that doesn't work. + * + * fsstnd should only be set if name is the original path of a man page + * found in a man hierarchy, not something like a symlink target or a file + * named with 'man -l'. Otherwise, a symlink to "/home/manuel/foo.1.gz" + * would be converted to "/home/catuel/foo.1.gz", which would be bad. + */ +static char *convert_name (const char *name, int fsstnd) +{ + char *to_name, *t1 = NULL; + char *t2 = NULL; +#ifdef COMP_SRC + struct compression *comp; +#endif /* COMP_SRC */ + char *namestem; + +#ifdef COMP_SRC + comp = comp_info (name, 1); + if (comp) + namestem = comp->stem; + else +#endif /* COMP_SRC */ + namestem = xstrdup (name); + +#ifdef COMP_CAT + /* TODO: BSD layout requires .0. */ + to_name = xasprintf ("%s.%s", namestem, COMPRESS_EXT); +#else /* !COMP_CAT */ + to_name = xstrdup (namestem); +#endif /* COMP_CAT */ + free (namestem); + + if (fsstnd) { + t1 = strrchr (to_name, '/'); + if (!t1) + gripe_converting_name (name); + *t1 = '\0'; + + t2 = strrchr (to_name, '/'); + if (!t2) + gripe_converting_name (name); + ++t2; + *t1 = '/'; + + if (STRNEQ (t2, "man", 3)) { + /* If the second-last component starts with "man", + * replace "man" with "cat". + */ + *t2 = 'c'; + *(t2 + 2) = 't'; + } else { + free (to_name); + debug ("couldn't convert %s to FSSTND cat file\n", + name); + return NULL; + } + } + + debug ("converted %s to %s\n", name, to_name); + + return to_name; +} static char *find_cat_file (const char *path, const char *original, const char *man_file) |