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authorEric Andersen <andersen@codepoet.org>1999-10-29 06:50:17 +0000
committerEric Andersen <andersen@codepoet.org>1999-10-29 06:50:17 +0000
commit24d8e7d787aa1940030a1beaabdd4388588ca512 (patch)
tree2da0e6ade947ff1a5a77d3911015781a457df458
parentc1525e84dd6a3ac8252ce10e6ae605bd37d60797 (diff)
downloadbusybox-24d8e7d787aa1940030a1beaabdd4388588ca512.tar.gz
Stuf
-rw-r--r--editors/sed.c6
-rw-r--r--sed.c6
-rw-r--r--utility.c86
3 files changed, 53 insertions, 45 deletions
diff --git a/editors/sed.c b/editors/sed.c
index a3e635d3a..0df53a7f8 100644
--- a/editors/sed.c
+++ b/editors/sed.c
@@ -126,7 +126,6 @@ extern int sed_main (int argc, char **argv)
}
}
- fprintf(stderr, "argc=%d\n", argc);
while (argc-- > 0) {
name = *argv++;
@@ -135,10 +134,9 @@ extern int sed_main (int argc, char **argv)
perror (name);
continue;
}
- fprintf(stderr, "filename is '%s'\n", name);
- haystack = (char*)malloc( 80);
- while (fgets (haystack, sizeof (haystack), fp)) {
+ haystack = (char*)malloc( BUF_SIZE);
+ while (fgets (haystack, BUF_SIZE-1, fp)) {
foundOne = replace_match(haystack, needle, newNeedle, ignoreCase);
if (noprintFlag==TRUE && foundOne==TRUE)
diff --git a/sed.c b/sed.c
index a3e635d3a..0df53a7f8 100644
--- a/sed.c
+++ b/sed.c
@@ -126,7 +126,6 @@ extern int sed_main (int argc, char **argv)
}
}
- fprintf(stderr, "argc=%d\n", argc);
while (argc-- > 0) {
name = *argv++;
@@ -135,10 +134,9 @@ extern int sed_main (int argc, char **argv)
perror (name);
continue;
}
- fprintf(stderr, "filename is '%s'\n", name);
- haystack = (char*)malloc( 80);
- while (fgets (haystack, sizeof (haystack), fp)) {
+ haystack = (char*)malloc( BUF_SIZE);
+ while (fgets (haystack, BUF_SIZE-1, fp)) {
foundOne = replace_match(haystack, needle, newNeedle, ignoreCase);
if (noprintFlag==TRUE && foundOne==TRUE)
diff --git a/utility.c b/utility.c
index 41e7ccc14..e0f9d1246 100644
--- a/utility.c
+++ b/utility.c
@@ -778,70 +778,82 @@ int get_console_fd(char* tty_name)
#if !defined BB_REGEXP && (defined BB_GREP || defined BB_FIND )
+
+/* Do a case insensitive strstr() */
+char* stristr(char *haystack, const char *needle)
+{
+ int len = strlen( needle );
+ while( *haystack ) {
+ if( !strncasecmp( haystack, needle, len ) )
+ break;
+ haystack++;
+ }
+
+ if( !(*haystack) )
+ haystack = NULL;
+
+ return haystack;
+}
+
/* This tries to find a needle in a haystack, but does so by
* only trying to match literal strings (look 'ma, no regexps!)
* This is short, sweet, and carries _very_ little baggage,
- * unlike its beefier cousin a few lines down...
+ * unlike its beefier cousin in regexp.c
* -Erik Andersen
*/
extern int find_match(char *haystack, char *needle, int ignoreCase)
{
- if (ignoreCase == FALSE) {
+ if (ignoreCase == FALSE)
haystack = strstr (haystack, needle);
- if (haystack == NULL)
- return FALSE;
- return TRUE;
- } else {
- int i;
- char needle1[BUF_SIZE];
- char haystack1[BUF_SIZE];
-
- strncpy( haystack1, haystack, sizeof(haystack1));
- strncpy( needle1, needle, sizeof(needle1));
- for( i=0; i<sizeof(haystack1) && haystack1[i]; i++)
- haystack1[i]=tolower( haystack1[i]);
- for( i=0; i<sizeof(needle1) && needle1[i]; i++)
- needle1[i]=tolower( needle1[i]);
- haystack = strstr (haystack1, needle1);
- if (haystack == NULL)
- return FALSE;
- return TRUE;
- }
+ else
+ haystack = stristr (haystack, needle);
+ if (haystack == NULL)
+ return FALSE;
+ return TRUE;
}
-/* This performs substitutions after a regexp match has been found. */
+/* This performs substitutions after a string match has been found. */
extern int replace_match(char *haystack, char *needle, char *newNeedle, int ignoreCase)
{
int foundOne;
- char *where, *slider;
+ char *where, *slider, *slider1, *oldhayStack;
- if (ignoreCase == FALSE) {
- /*Find needle in haystack */
+ if (ignoreCase == FALSE)
where = strstr (haystack, needle);
- while(where!=NULL) {
- foundOne++;
- fprintf(stderr, "A match: haystack='%s'\n", haystack);
+ else
+ where = stristr (haystack, needle);
+
+ if (strcmp(needle, newNeedle)==0)
+ return FALSE;
+
+ oldhayStack = (char*)malloc((unsigned)(strlen(haystack)));
+ while(where!=NULL) {
+ foundOne++;
+ strcpy(oldhayStack, haystack);
+#if 0
+ if ( strlen(newNeedle) > strlen(needle)) {
haystack = (char *)realloc(haystack, (unsigned)(strlen(haystack) -
strlen(needle) + strlen(newNeedle)));
- for(slider=haystack;slider!=where;slider++);
- *slider=0;
- haystack=strcat(haystack, newNeedle);
- slider+=1+sizeof(newNeedle);
- haystack = strcat(haystack, slider);
- where = strstr (where+1, needle);
}
- } else {
- // FIXME
-
+#endif
+ for(slider=haystack,slider1=oldhayStack;slider!=where;slider++,slider1++);
+ *slider=0;
+ haystack=strcat(haystack, newNeedle);
+ slider1+=strlen(needle);
+ haystack = strcat(haystack, slider1);
+ where = strstr (slider, needle);
}
+ free( oldhayStack);
+
if (foundOne)
return TRUE;
else
return FALSE;
}
+
#endif
/* END CODE */