diff options
Diffstat (limited to 'firmware/common')
-rw-r--r-- | firmware/common/pathfuncs.c | 30 |
1 files changed, 29 insertions, 1 deletions
diff --git a/firmware/common/pathfuncs.c b/firmware/common/pathfuncs.c index db1935db8b..b5e5ecb0cf 100644 --- a/firmware/common/pathfuncs.c +++ b/firmware/common/pathfuncs.c | |||
@@ -127,7 +127,35 @@ void init_volume_names(void) | |||
127 | VOL_START_TOK, voldec, volume, VOL_END_TOK); | 127 | VOL_START_TOK, voldec, volume, VOL_END_TOK); |
128 | DEBUGF("vol<%d> = %s ", volume, buffer); | 128 | DEBUGF("vol<%d> = %s ", volume, buffer); |
129 | } | 129 | } |
130 | DEBUGF("\n"); | 130 | DEBUGF("\n"); |
131 | } | ||
132 | |||
133 | #include <stdio.h> | ||
134 | |||
135 | int path_get_volume_id(const char *name) | ||
136 | { | ||
137 | int v = -1; | ||
138 | |||
139 | if (!name || *name != VOL_START_TOK) | ||
140 | goto bail; | ||
141 | |||
142 | do { | ||
143 | switch (*name) | ||
144 | { | ||
145 | case '0' ... '9': /* digit; parse volume number */ | ||
146 | v = (v * 10 + *name - '0') % VOL_NUM_MAX; | ||
147 | break; | ||
148 | case '\0': | ||
149 | case PATH_SEPCH: /* no closing bracket; no volume */ | ||
150 | v = -1; | ||
151 | goto bail; | ||
152 | default: /* something else; reset volume */ | ||
153 | v = 0; | ||
154 | } | ||
155 | } while (*++name != VOL_END_TOK); /* found end token? */ | ||
156 | |||
157 | bail: | ||
158 | return v; | ||
131 | } | 159 | } |
132 | 160 | ||
133 | /* Returns on which volume this is and sets *nameptr to the portion of the | 161 | /* Returns on which volume this is and sets *nameptr to the portion of the |