*: mass renaming of USE_XXXX to IF_XXXX

and SKIP_XXXX to IF_NOT_XXXX - the second one was especially
badly named. It was not skipping anything!

1 files changed, 17 insertions, 13 deletions

diff --git a/scripts/basic/fixdep.c b/scripts/basic/fixdep.c
index 811d48b78..6d61044c4 100644
--- a/scripts/basic/fixdep.c
+++ b/scripts/basic/fixdep.c
@@ -225,32 +225,36 @@ void use_config(char *m, int slen)
 void parse_config_file(char *map, size_t len)
 {
         /* modified for bbox */
-        char *end_4 = map + len - 4; /* 4 == length of "USE_" */
+        char *end_3 = map + len - 3; /* 3 == length of "IF_" */
         char *end_7 = map + len - 7;
         char *p = map;
         char *q;
         int off;
 
-        for (; p < end_4; p++) {
+        for (; p <= end_3; p++) {
+                /* Find next identifier's beginning */
+                if (!(isalnum(*p) || *p == '_'))
+                        continue;
+
+                /* Check it */
                 if (p < end_7 && p[6] == '_') {
                         if (!memcmp(p, "CONFIG", 6)) goto conf7;
                         if (!memcmp(p, "ENABLE", 6)) goto conf7;
+                        if (!memcmp(p, "IF_NOT", 6)) goto conf7;
                 }
-                /* We have at least 5 chars: for() has
-                 * "p < end-4", not "p <= end-4"
-                 * therefore we don't need to check p <= end-5 here */
-                if (p[4] == '_')
-                        if (!memcmp(p, "SKIP", 4)) goto conf5;
-                /* Ehhh, gcc is too stupid to just compare it as 32bit int */
-                if (p[0] == 'U')
-                        if (!memcmp(p, "USE_", 4)) goto conf4;
+                /* we have at least 3 chars because of p <= end_3 */
+                /*if (!memcmp(p, "IF_", 3)) goto conf3;*/
+                if (p[0] == 'I' && p[1] == 'F' && p[2] == '_') goto conf3;
+
+                /* This identifier is not interesting, skip it */
+                while (p <= end_3 && (isalnum(*p) || *p == '_'))
+                        p++;
                 continue;
 
-        conf4:  off = 4;
-        conf5:  off = 5;
+        conf3:  off = 3;
         conf7:  off = 7;
                 p += off;
-                for (q = p; q < end_4+4; q++) {
+                for (q = p; q < end_3+3; q++) {
                         if (!(isalnum(*q) || *q == '_'))
                                 break;
                 }