Show errors on reading badly formed gnumeric files

[pspp] / src / language / data-io / placement-parser.c

diff --git a/src/language/data-io/placement-parser.c b/src/language/data-io/placement-parser.c
index a40e4226a1a18e9d3ddbde602f4976dba0c292e5..ca6f491ee0b7727002523ddf451a18625481c5e2 100644 (file)
--- a/src/language/data-io/placement-parser.c
+++ b/src/language/data-io/placement-parser.c
@@ -27,6 +27,7 @@
 #include "libpspp/pool.h"
 #include "libpspp/str.h"
 
+#include "gl/c-strcase.h"
 #include "gl/xalloc.h"
 #include "gl/xsize.h"
 
@@ -220,9 +221,9 @@ fixed_parse_fortran (struct lexer *lexer, struct pool *pool, enum fmt_use use,
               if (!parse_abstract_format_specifier (lexer, type, &f.w, &f.d))
                 return false;
 
-              if (!strcasecmp (type, "T"))
+              if (!c_strcasecmp (type, "T"))
                 f.type = PRS_TYPE_T;
-              else if (!strcasecmp (type, "X"))
+              else if (!c_strcasecmp (type, "X"))
                 {
                   f.type = PRS_TYPE_X;
                   f.w = count;
@@ -298,11 +299,8 @@ execute_placement_format (const struct fmt_spec *format,
     }
 }
 
-/* Parses a BASE-based column using LEXER.  Returns true and
-   stores a 1-based column number into *COLUMN if successful,
-   otherwise emits an error message and returns false. */
 static bool
-parse_column (int value, int base, int *column)
+parse_column__ (int value, int base, int *column)
 {
   assert (base == 0 || base == 1);
   *column = value - base + 1;
@@ -317,6 +315,27 @@ parse_column (int value, int base, int *column)
   return true;
 }
 
+/* Parses a BASE-based column using LEXER.  Returns true and
+   stores a 1-based column number into *COLUMN if successful,
+   otherwise emits an error message and returns false.
+
+   If BASE is 0, zero-based column numbers are parsed; if BASE is
+   1, 1-based column numbers are parsed.  Regardless of BASE, the
+   values stored in *FIRST_COLUMN and *LAST_COLUMN are
+   1-based. */
+bool
+parse_column (struct lexer *lexer, int base, int *column)
+{
+  assert (base == 0 || base == 1);
+
+  if (!lex_force_int (lexer)
+      || !parse_column__ (lex_integer (lexer), base, column))
+    return false;
+
+  lex_get (lexer);
+  return true;
+}
+
 /* Parse a column or a range of columns, specified as a single
    integer or two integers delimited by a dash.  Stores the range
    in *FIRST_COLUMN and *LAST_COLUMN.  (If only a single integer
@@ -337,14 +356,14 @@ parse_column_range (struct lexer *lexer, int base,
 {
   /* First column. */
   if (!lex_force_int (lexer)
-      || !parse_column (lex_integer (lexer), base, first_column))
+      || !parse_column__ (lex_integer (lexer), base, first_column))
     return false;
   lex_get (lexer);
 
   /* Last column. */
   if (lex_is_integer (lexer) && lex_integer (lexer) < 0)
     {
-      if (!parse_column (-lex_integer (lexer), base, last_column))
+      if (!parse_column__ (-lex_integer (lexer), base, last_column))
         return false;
       lex_get (lexer);