%(divide): Avoid SIGFPE on integer divide of INT_MIN by -1.

[nmh] / h / fmt_scan.h

diff --git a/h/fmt_scan.h b/h/fmt_scan.h
index 5f659d4cf0d633ba45ed6ba8b61d311c2e42ebaf..40ef9c03a16d641decb7f150194becfa2fd950c0 100644 (file)
--- a/h/fmt_scan.h
+++ b/h/fmt_scan.h
@@ -1,12 +1,10 @@
-
-/*
- * fmt_scan.h -- definitions for fmt_scan()
+/* fmt_scan.h -- definitions for fmt_scan()

  */
 
 /*
  * This structure describes an "interesting" component.  It holds
  * the name & text from the component (if found) and one piece of
  */
 
 /*
  * This structure describes an "interesting" component.  It holds
  * the name & text from the component (if found) and one piece of

- * auxilary info.  The structure for a particular component is located
+ * auxiliary info.  The structure for a particular component is located

  * by (open) hashing the name and using it as an index into the ptr array
  * "wantcomp".  All format entries that reference a particular component
  * point to its comp struct (so we only have to do component specific
  * by (open) hashing the name and using it as an index into the ptr array
  * "wantcomp".  All format entries that reference a particular component
  * point to its comp struct (so we only have to do component specific


@@ -98,28 +96,6 @@ struct fmt_callbacks {
     void *             trace_context;
 };
 
     void *             trace_context;
 };
 

-/*
- * Create a new format string.  Arguments are:
- *
- * form                - Name of format file.  Will be searched by etcpath(), see that
- *               function for details.
- * format      - The format string to be used if no format file is given
- * default_fs  - The default format string to be used if neither form nor
- *               format is given
- *
- * This function also takes care of processing \ escapes like \n, \t, etc.
- *
- * Returns an allocated format string.
- */
-
-char *new_fs (char *form, char *format, char *default_fs);
-
-/*
- * Free memory allocated by new_fs().  It allocates to a static so
- * no argument is necessary.
- */
-void free_fs ();
-

 /*
  * Compile a format string into a set of format instructions.  Arguments are:
  *
 /*
  * Compile a format string into a set of format instructions.  Arguments are:
  *


@@ -129,7 +105,7 @@ void free_fs ();
  *               format engine.
  * reset       - If set to true, the format compiler will reset the
  *               component hash table.  The component hash table contains
  *               format engine.
  * reset       - If set to true, the format compiler will reset the
  *               component hash table.  The component hash table contains

- *               all of the references to message components refered to in
+ *               all of the references to message components referred to in

  *               the format instructions.  If you have multiple format
  *               strings that you want to compile and operate on the
  *               same message, this should be set to false.
  *               the format instructions.  If you have multiple format
  *               strings that you want to compile and operate on the
  *               same message, this should be set to false.


@@ -150,7 +126,7 @@ int fmt_compile (char *fstring, struct format **fmt, int reset);
  *               format instructions.  Is always terminated with a
  *               newline (\n).
  * width       - Maximum number of displayed characters.  Does not include
  *               format instructions.  Is always terminated with a
  *               newline (\n).
  * width       - Maximum number of displayed characters.  Does not include

- *               characters marked as nonprinting or (depending on the
+ *               characters marked as non-printing or (depending on the

  *               encoding) bytes in a multibyte encoding that exceed the
  *               character's column width.
  * dat         - An integer array that contains data used by certain format
  *               encoding) bytes in a multibyte encoding that exceed the
  *               character's column width.
  * dat         - An integer array that contains data used by certain format


@@ -207,7 +183,7 @@ void fmt_freecomptext(void);
  * or NULL if the component is not found in the hash table.
  */
 
  * or NULL if the component is not found in the hash table.
  */
 

-struct comp *fmt_findcomp(char *component);
+struct comp *fmt_findcomp(char *component) PURE;

 
 /*
  * Search for a component structure in the component hash table.
 
 /*
  * Search for a component structure in the component hash table.


@@ -215,7 +191,7 @@ struct comp *fmt_findcomp(char *component);
  * Identical to fmd_findcomp(), but is case-INSENSITIVE.
  */
 
  * Identical to fmd_findcomp(), but is case-INSENSITIVE.
  */
 

-struct comp *fmt_findcasecomp(char *component);
+struct comp *fmt_findcasecomp(char *component) PURE;

 
 /*
  * Add a component entry to the component hash table
 
 /*
  * Add a component entry to the component hash table


@@ -243,7 +219,7 @@ int fmt_addcompentry(char *component);
  *                component buffer is a newline, it will be separated
  *                from previous text by ",\n\t"; otherwise if the last
  *                character of the previous text is a newline it will
  *                component buffer is a newline, it will be separated
  *                from previous text by ",\n\t"; otherwise if the last
  *                character of the previous text is a newline it will

- *                simply be seperated by a "\t".  This unusual processing
+ *                simply be separated by a "\t".  This unusual processing

  *               is designed to handle the case where you have multiple
  *               headers with the same name (e.g.: multiple "cc:" headers,
  *               even though that isn't technically allowed in the RFCs).
  *               is designed to handle the case where you have multiple
  *               headers with the same name (e.g.: multiple "cc:" headers,
  *               even though that isn't technically allowed in the RFCs).


@@ -291,25 +267,3 @@ void fmt_appendcomp(int bucket, char *component, char *text);
  */
 
 struct comp *fmt_nextcomp(struct comp *comp, unsigned int *bucket);
  */
 
 struct comp *fmt_nextcomp(struct comp *comp, unsigned int *bucket);

-
-/*
- * The implementation of the %(formataddr) function.  This is available for
- * programs to provide their own local implementation if they wish to do
- * special processing (see uip/replsbr.c for an example).  Arguments are:
- *
- * orig                - Existing list of addresses
- * str         - New address(es) to append to list.
- *
- * This function returns an allocated string containing the new list of
- * addresses.
- */
-
-char *formataddr(char *orig, char *str);
-
-/*
- * The implementation of the %(concataddr) function.  Arguments and behavior
- * are the same as %(formataddr).  Again, see uip/replsbr.c to see how you
- * can override this behavior.
- */
-
-char *concataddr(char *orig, char *str);