NASM 0.91

1 files changed, 115 insertions, 0 deletions

diff --git a/nasmlib.h b/nasmlib.h
new file mode 100644
index 0000000..d827371
--- /dev/null
+++ b/nasmlib.h
@@ -0,0 +1,115 @@
+/* nasmlib.c	header file for nasmlib.h
+ *
+ * The Netwide Assembler is copyright (C) 1996 Simon Tatham and
+ * Julian Hall. All rights reserved. The software is
+ * redistributable under the licence given in the file "Licence"
+ * distributed in the NASM archive.
+ */
+
+#ifndef NASM_NASMLIB_H
+#define NASM_NASMLIB_H
+
+/*
+ * Wrappers around malloc, realloc and free. nasm_malloc will
+ * fatal-error and die rather than return NULL; nasm_realloc will
+ * do likewise, and will also guarantee to work right on being
+ * passed a NULL pointer; nasm_free will do nothing if it is passed
+ * a NULL pointer.
+ */
+void nasm_set_malloc_error (efunc);
+void *nasm_malloc (size_t);
+void *nasm_realloc (void *, size_t);
+void nasm_free (void *);
+char *nasm_strdup (char *);
+
+/*
+ * ANSI doesn't guarantee the presence of `stricmp' or
+ * `strcasecmp'.
+ */
+int nasm_stricmp (char *, char *);
+int nasm_strnicmp (char *, char *, int);
+
+/*
+ * Convert a string into a number, using NASM number rules. Sets
+ * `*error' to TRUE if an error occurs, and FALSE otherwise.
+ */
+long readnum(char *str, int *error);
+
+/*
+ * seg_init: Initialise the segment-number allocator.
+ * seg_alloc: allocate a hitherto unused segment number.
+ */
+void seg_init(void);
+long seg_alloc(void);
+
+/*
+ * many output formats will be able to make use of this: a standard
+ * function to add an extension to the name of the input file
+ */
+void standard_extension (char *inname, char *outname, char *extension,
+			 efunc error);
+
+/*
+ * some handy macros that will probably be of use in more than one
+ * output format: convert integers into little-endian byte packed
+ * format in memory
+ */
+
+#define WRITELONG(p,v) \
+  do { \
+    *(p)++ = (v) & 0xFF; \
+    *(p)++ = ((v) >> 8) & 0xFF; \
+    *(p)++ = ((v) >> 16) & 0xFF; \
+    *(p)++ = ((v) >> 24) & 0xFF; \
+  } while (0)
+
+#define WRITESHORT(p,v) \
+  do { \
+    *(p)++ = (v) & 0xFF; \
+    *(p)++ = ((v) >> 8) & 0xFF; \
+  } while (0)
+
+/*
+ * and routines to do the same thing to a file
+ */
+void fwriteshort (int data, FILE *fp);
+void fwritelong (long data, FILE *fp);
+
+/*
+ * Routines to manage a dynamic random access array of longs which
+ * may grow in size to be more than the largest single malloc'able
+ * chunk.
+ */
+
+struct RAA;
+
+struct RAA *raa_init (void);
+void raa_free (struct RAA *);
+long raa_read (struct RAA *, long);
+struct RAA *raa_write (struct RAA *r, long posn, long value);
+
+/*
+ * Routines to manage a dynamic sequential-access array, under the
+ * same restriction on maximum mallocable block. This array may be
+ * written to in two ways: a contiguous chunk can be reserved of a
+ * given size, and a pointer returned, or single-byte data may be
+ * written. The array can also be read back in the same two ways:
+ * as a series of big byte-data blocks or as a list of structures
+ * of a given size.
+ */
+
+struct SAA;
+
+struct SAA *saa_init (long elem_len);  /* 1 == byte */
+void saa_free (struct SAA *);
+void *saa_wstruct (struct SAA *);      /* return a structure of elem_len */
+void saa_wbytes (struct SAA *, void *, long);  /* write arbitrary bytes */
+void saa_rewind (struct SAA *);	       /* for reading from beginning */
+void *saa_rstruct (struct SAA *);      /* return NULL on EOA */
+void *saa_rbytes (struct SAA *, long *);   /* return 0 on EOA */
+void saa_rnbytes (struct SAA *, void *, long); /* read a given no. of bytes */
+void saa_fread (struct SAA *s, long posn, void *p, long len);   /* fixup */
+void saa_fwrite (struct SAA *s, long posn, void *p, long len);   /* fixup */
+void saa_fpwrite (struct SAA *, FILE *);
+
+#endif