Added some more '/* getopt not needed */' lines.

[oweals/busybox.git] / sh.c

diff --git a/sh.c b/sh.c
index 865f10b394236ecfaca2b205e85c80a3882d3db0..8f19e526aae35d9b1079fcfee93c789f823869e1 100644 (file)
--- a/sh.c
+++ b/sh.c
@@ -61,8 +61,8 @@
 #include <unistd.h>
 #include <getopt.h>
 
-#undef __GLIBC__
-#undef __UCLIBC__
+//#undef __GLIBC__
+//#undef __UCLIBC__
 
 #if ( (__GLIBC__ >= 2) && (__GLIBC_MINOR__ >= 1) ) || defined (__UCLIBC__) 
 #include <wordexp.h>
@@ -1014,7 +1014,6 @@ static int expand_arguments(char *command)
         * wordexp can't do for us, namely $? and $! */
        src = command;
        while((dst = strchr(src,'$')) != NULL){
-               printf("dollar '%s'\n", dst);
                var = NULL;
                switch(*(dst+1)) {
                        case '?':
@@ -1057,14 +1056,25 @@ static int expand_arguments(char *command)
                } else {
                        /* Looks like an environment variable */
                        char delim_hold;
-                       src=strpbrk(dst+1, " \t~`!$^&*()=|\\{}[];\"'<>?.");
+                       int num_skip_chars=1;
+                       int dstlen = strlen(dst);
+                       /* Is this a ${foo} type variable? */
+                       if (dstlen >=2 && *(dst+1) == '{') {
+                               src=strchr(dst+1, '}');
+                               num_skip_chars=2;
+                       } else {
+                               src=strpbrk(dst+1, " \t~`!$^&*()=|\\[];\"'<>?./");
+                       }
                        if (src == NULL) {
-                               src = dst+strlen(dst);
+                               src = dst+dstlen;
                        }
                        delim_hold=*src;
                        *src='\0';  /* temporary */
-                       var = getenv(dst + 1);
+                       var = getenv(dst + num_skip_chars);
                        *src=delim_hold;
+                       if (num_skip_chars==2) {
+                               src++;
+                       }
                }
                if (var == NULL) {
                        /* Seems we got an un-expandable variable.  So delete it. */
@@ -1086,7 +1096,6 @@ static int expand_arguments(char *command)
                        src = dst+subst_len;
                }
        }
-       printf("expanded '%s'\n", command);
 
 #endif 
        return TRUE;