diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/ls.c | 172 |
1 files changed, 87 insertions, 85 deletions
@@ -1303,114 +1303,116 @@ parse_ls_color (void) struct col_ext_type *ext; /* Extension we are working on */ struct col_ext_type *ext2; /* Extra pointer */ + if ((p = getenv ("LS_COLORS")) == NULL || *p == '\0') + return; + + ext = NULL; strcpy (label, "??"); - if (((p = getenv ("LS_COLORS")) != NULL && *p != '\0')) + + /* This is an overly conservative estimate, but any possible + LS_COLORS string will *not* generate a color_buf longer than + itself, so it is a safe way of allocating a buffer in + advance. */ + buf = color_buf = xstrdup (p); + + state = 1; + while (state > 0) { - buf = color_buf = xstrdup (p); - /* This is an overly conservative estimate, but any possible - LS_COLORS string will *not* generate a color_buf longer than - itself, so it is a safe way of allocating a buffer in - advance. */ - - state = 1; - while (state > 0) + switch (state) { - switch (state) + case 1: /* First label character */ + switch (*p) { - case 1: /* First label character */ - switch (*p) - { - case ':': - ++p; - break; - - case '*': - /* Allocate new extension block and add to head of - linked list (this way a later definition will - override an earlier one, which can be useful for - having terminal-specific defs override global). */ + case ':': + ++p; + break; - ext = (struct col_ext_type *) - xmalloc (sizeof (struct col_ext_type)); - ext->next = col_ext_list; - col_ext_list = ext; + case '*': + /* Allocate new extension block and add to head of + linked list (this way a later definition will + override an earlier one, which can be useful for + having terminal-specific defs override global). */ - ++p; - ext->ext.string = buf; + ext = (struct col_ext_type *) + xmalloc (sizeof (struct col_ext_type)); + ext->next = col_ext_list; + col_ext_list = ext; - state = (ext->ext.len = - get_funky_string (&buf, &p, 1)) < 0 ? -1 : 4; - break; + ++p; + ext->ext.string = buf; - case '\0': - state = 0; /* Done! */ - break; + state = (ext->ext.len = + get_funky_string (&buf, &p, 1)) < 0 ? -1 : 4; + break; - default: /* Assume it is file type label */ - label[0] = *(p++); - state = 2; - break; - } + case '\0': + state = 0; /* Done! */ break; - case 2: /* Second label character */ - if (*p) - { - label[1] = *(p++); - state = 3; - } - else - state = -1; /* Error */ + default: /* Assume it is file type label */ + label[0] = *(p++); + state = 2; break; + } + break; + + case 2: /* Second label character */ + if (*p) + { + label[1] = *(p++); + state = 3; + } + else + state = -1; /* Error */ + break; - case 3: /* Equal sign after indicator label */ - state = -1; /* Assume failure... */ - if (*(p++) == '=')/* It *should* be... */ + case 3: /* Equal sign after indicator label */ + state = -1; /* Assume failure... */ + if (*(p++) == '=')/* It *should* be... */ + { + for (ind_no = 0; indicator_name[ind_no] != NULL; ++ind_no) { - for (ind_no = 0; indicator_name[ind_no] != NULL; ++ind_no) + if (strcmp (label, indicator_name[ind_no]) == 0) { - if (strcmp (label, indicator_name[ind_no]) == 0) - { - color_indicator[ind_no].string = buf; - state = ((color_indicator[ind_no].len = - get_funky_string (&buf, &p, 0)) < 0 ? - -1 : 1); - break; - } + color_indicator[ind_no].string = buf; + state = ((color_indicator[ind_no].len = + get_funky_string (&buf, &p, 0)) < 0 ? + -1 : 1); + break; } - if (state == -1) - error (0, 0, _("unrecognized prefix: %s"), label); } - break; + if (state == -1) + error (0, 0, _("unrecognized prefix: %s"), label); + } + break; - case 4: /* Equal sign after *.ext */ - if (*(p++) == '=') - { - ext->seq.string = buf; - state = (ext->seq.len = - get_funky_string (&buf, &p, 0)) < 0 ? -1 : 1; - } - else - state = -1; - break; + case 4: /* Equal sign after *.ext */ + if (*(p++) == '=') + { + ext->seq.string = buf; + state = (ext->seq.len = + get_funky_string (&buf, &p, 0)) < 0 ? -1 : 1; } + else + state = -1; + break; } + } - if (state < 0) - { - struct col_ext_type *e; + if (state < 0) + { + struct col_ext_type *e; - error (0, 0, - _("unparsable value for LS_COLORS environment variable")); - free (color_buf); - for (e = col_ext_list; e != NULL ; /* empty */) - { - ext2 = e; - e = e->next; - free (ext2); - } - print_with_color = 0; + error (0, 0, + _("unparsable value for LS_COLORS environment variable")); + free (color_buf); + for (e = col_ext_list; e != NULL ; /* empty */) + { + ext2 = e; + e = e->next; + free (ext2); } + print_with_color = 0; } } |