diff options
| -rw-r--r-- | Changelog | 12 | ||||
| -rw-r--r-- | basename.c | 22 | ||||
| -rw-r--r-- | coreutils/basename.c | 22 | ||||
| -rw-r--r-- | docs/busybox.pod | 9 |
4 files changed, 47 insertions, 18 deletions
@@ -15,15 +15,17 @@ does force anyway * tail can now accept -<num> commands (e.g. -10) for better compatibility with the standard tail command - * added a simple id implementation; doesn't support supp. groups yet - * logname used getlogin(3) which uses utmp under the hood. Now it behaves. + * added a simple id implementation; doesn't support sup. groups yet + * logname used getlogin(3) which uses utmp. Now it doesn't. * whoami used getpwuid(3) which uses libc NSS. Now it behaves. - * Due to the license change, I can now use minix code. Minux tr replaces - the BSD derived tr, saving 4k and eliminating bsearch(3) from the - list of used Libc symbols. + * Due to the license change, I can now use minix code. Minux tr + replaces the BSD derived tr, saving 4k and eliminating bsearch(3) + from the list of used Libc symbols. * Add support for "noatime" and "nodiratime" mount flags to mount. * Changed 'umount -f' to mean force, and actually use umount2. * Changed 'umount -l' to mean "Do not free loop device". + * Fixed basename to support stripping of suffixes. Patch thanks + to xiong jianxin <jxiong@uiuc.edu> * More doc updates -Erik @@ -26,12 +26,14 @@ extern int basename_main(int argc, char **argv) { - char* s, *s1; + int m, n; + char *s, *s1; if ((argc < 2) || (**(argv + 1) == '-')) { - usage("basename [FILE ...]\n" + usage("basename FILE [SUFFIX]\n" #ifndef BB_FEATURE_TRIVIAL_HELP - "\nStrips directory path and suffixes from FILE(s).\n" + "\nStrips directory path and suffixes from FILE.\n" + "If specified, also removes any trailing SUFFIX.\n" #endif ); } @@ -40,10 +42,20 @@ extern int basename_main(int argc, char **argv) s1=*argv+strlen(*argv)-1; while (s1 && *s1 == '/') { *s1 = '\0'; - s1=*argv+strlen(*argv)-1; + s1--; } s = strrchr(*argv, '/'); - printf("%s\n", (s)? s + 1 : *argv); + if (s==NULL) s=*argv; + else s++; + + if (argc>2) { + argv++; + n = strlen(*argv); + m = strlen(s); + if (m>=n && strncmp(s+m-n, *argv, n)==0) + s[m-n] = '\0'; + } + printf("%s\n", s); exit(TRUE); } diff --git a/coreutils/basename.c b/coreutils/basename.c index efd07e2..10ae761 100644 --- a/coreutils/basename.c +++ b/coreutils/basename.c @@ -26,12 +26,14 @@ extern int basename_main(int argc, char **argv) { - char* s, *s1; + int m, n; + char *s, *s1; if ((argc < 2) || (**(argv + 1) == '-')) { - usage("basename [FILE ...]\n" + usage("basename FILE [SUFFIX]\n" #ifndef BB_FEATURE_TRIVIAL_HELP - "\nStrips directory path and suffixes from FILE(s).\n" + "\nStrips directory path and suffixes from FILE.\n" + "If specified, also removes any trailing SUFFIX.\n" #endif ); } @@ -40,10 +42,20 @@ extern int basename_main(int argc, char **argv) s1=*argv+strlen(*argv)-1; while (s1 && *s1 == '/') { *s1 = '\0'; - s1=*argv+strlen(*argv)-1; + s1--; } s = strrchr(*argv, '/'); - printf("%s\n", (s)? s + 1 : *argv); + if (s==NULL) s=*argv; + else s++; + + if (argc>2) { + argv++; + n = strlen(*argv); + m = strlen(s); + if (m>=n && strncmp(s+m-n, *argv, n)==0) + s[m-n] = '\0'; + } + printf("%s\n", s); exit(TRUE); } diff --git a/docs/busybox.pod b/docs/busybox.pod index 6a18a04..ea14459 100644 --- a/docs/busybox.pod +++ b/docs/busybox.pod @@ -71,9 +71,10 @@ uname, uniq, update, uptime, usleep, wc, whoami, yes, zcat, [ =item basename -Usage: basename [file ...] +Usage: basename FILE [SUFFIX] -Strips directory path and suffixes from FILE(s). +Strips directory path and suffixes from FILE. +If specified, also removes any trailing SUFFIX. Example: @@ -81,6 +82,8 @@ Example: foo $ basename /usr/local/bin/ bin + $ basename /foo/bar.txt .txt + bar ------------------------------- @@ -1878,4 +1881,4 @@ Enrique Zanardi <ezanardi@ull.es> =cut -# $Id: busybox.pod,v 1.28 2000/05/05 19:49:33 erik Exp $ +# $Id: busybox.pod,v 1.29 2000/05/10 05:00:31 erik Exp $ |